SMU02B
V200R001C00
User Manual
Issue
02
Date
2012-05-30
HUAWEI TECHNOLOGIES CO., LTD.
Copyright © Huawei Technologies Co., Ltd. 2012. All rights reserved.
No part of this document may be reproduced or transmitted in any form or by any means without prior
written consent of Huawei Technologies Co., Ltd.
Trademarks and Permissions
and other Huawei trademarks are trademarks of Huawei Technologies Co., Ltd.
All other trademarks and trade names mentioned in this document are the property of their respective
holders.
Notice
The purchased products, services and features are stipulated by the contract made between Huawei and
the customer. All or part of the products, services and features described in this document may not be
within the purchase scope or the usage scope. Unless otherwise specified in the contract, all statements,
information, and recommendations in this document are provided "AS IS" without warranties, guarantees or
representations of any kind, either express or implied.
The information in this document is subject to change without notice. Every effort has been made in the
preparation of this document to ensure accuracy of the contents, but all statements, information, and
recommendations in this document do not constitute a warranty of any kind, express or implied.
Huawei Technologies Co., Ltd.
Address:
Huawei Industrial Base
Bantian, Longgang
Shenzhen 518129
People's Republic of China
Website:
http://www.huawei.com
Email:
support@huawei.com
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About This Document
About This Document
Purpose
This document describes the network diagram, performance specifications, liquid crystal
display (LCD) screen and web user interface operations, installation, and troubleshooting of
the SMU02B.
Intended Audience
This document is intended for:

Sales engineers

Technical support engineers

Maintenance engineers
Symbol Conventions
The symbols that may be found in this document are defined as follows.
Symbol
Description
Alerts you to a high risk hazard that could, if not avoided,
result in serious injury or death.
Alerts you to a medium or low risk hazard that could, if not
avoided, result in moderate or minor injury.
Alerts you to a potentially hazardous situation that could, if not
avoided, result in equipment damage, data loss, performance
deterioration, or unanticipated results.
Provides a tip that may help you solve a problem or save time.
Provides additional information to emphasize or supplement
important points in the main text.
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About This Document
Change History
Changes between document issues are cumulative. The latest document issue contains all the
changes made in earlier issues.
Issue 02 (2012-05-30)
Adjust the sections and add function descriptions.
Issue 01 (2012-04-15)
This issue is used for first office application (FOA).
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Contents
Contents
About This Document .................................................................................................................... ii
1 Overview......................................................................................................................................... 1
1.1 Description ....................................................................................................................................................... 1
1.2 Network Diagram ............................................................................................................................................. 1
1.3 Feature .............................................................................................................................................................. 4
1.4 Function ........................................................................................................................................................... 5
2 Panel and Ports .............................................................................................................................. 7
3 Installation.................................................................................................................................... 10
3.1 Safety Precautions .......................................................................................................................................... 10
3.2 Installing an SMU02B .................................................................................................................................... 10
3.3 Replacing an SMU02B................................................................................................................................... 10
4 LCD User Interface ..................................................................................................................... 11
5 Web User Interface...................................................................................................................... 13
5.1 Preparation Before Logging ........................................................................................................................... 13
5.2 Logging .......................................................................................................................................................... 17
5.3 Web pages ...................................................................................................................................................... 17
6 Power System Configuration .................................................................................................... 26
6.1 Basic Parameters about VRLA Batteries ........................................................................................................ 26
6.2 Communications Parameters .......................................................................................................................... 30
7 VRLA Battery Management ...................................................................................................... 33
7.1 Battery Charging ............................................................................................................................................ 33
7.1.1 Float Charging....................................................................................................................................... 33
7.1.2 Boost Charging Overview ..................................................................................................................... 35
7.1.3 Automatic Boost Charging .................................................................................................................... 37
7.1.4 Cyclic Boost Charging .......................................................................................................................... 39
7.1.5 Pre-boost Charging ............................................................................................................................... 41
7.1.6 Manual Boost Charging ........................................................................................................................ 45
7.2 Battery Current Limiting ................................................................................................................................ 47
7.3 Battery Test .................................................................................................................................................... 49
7.3.1 General Configuration........................................................................................................................... 49
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7.3.2 Standard Test ......................................................................................................................................... 52
7.3.3 Short Test .............................................................................................................................................. 54
7.3.4 Mains Failure Test ................................................................................................................................. 56
7.3.5 Cyclic Test............................................................................................................................................. 58
7.3.6 Planned Test .......................................................................................................................................... 60
7.3.7 Battery Test Record ............................................................................................................................... 62
7.4 Battery Temperature Compensation ............................................................................................................... 64
7.5 Battery High Temperature Protection ............................................................................................................. 66
7.6 Low Voltage Disconnection Protection .......................................................................................................... 69
7.7 Battery Imbalance Detection .......................................................................................................................... 74
7.7.1 Middle Voltage Detection for a Battery String ...................................................................................... 74
7.7.2 Battery String Current Imbalance Detection ......................................................................................... 76
7.8 Battery Capacity Calculation.......................................................................................................................... 76
7.9 Intelligent Battery Hibernation ....................................................................................................................... 81
8 Rectifier Management ................................................................................................................ 85
8.1 Rectifier Power-on/off Control....................................................................................................................... 85
8.2 Rectifier Output Voltage and Current Limits.................................................................................................. 87
8.3 Rectifier Overvoltage Protection (Optional) .................................................................................................. 88
8.4 Rectifier Walk-in (Optional)........................................................................................................................... 91
8.5 Sequential Rectifier Startup (Optional) .......................................................................................................... 92
9 Energy Conservation Management ......................................................................................... 94
9.1 Intelligent Rectifier Hibernation .................................................................................................................... 94
9.2 Peak Shifting Power Consumption ................................................................................................................. 97
9.3 Peak Clipping Power Consumption ............................................................................................................. 101
10 Temperature Control Management ..................................................................................... 105
10.1 Direct-cooling Unit .................................................................................................................................... 105
10.1.1 Monitoring Information .................................................................................................................... 106
10.1.2 Setting the Control Mode and Parameters ......................................................................................... 107
10.1.3 Setting the Alarm Threshold ............................................................................................................. 110
10.1.4 Setting the Correlative Port ............................................................................................................... 112
10.2 Air Conditioner & Direct-cooling Unit ...................................................................................................... 115
10.2.1 Monitoring Information .................................................................................................................... 115
10.2.2 Setting the Control Mode and Parameters ......................................................................................... 116
10.2.3 Setting the Alarm Threshold ............................................................................................................. 119
10.2.4 Setting the Correlative Port ............................................................................................................... 121
11 D.G. Management ................................................................................................................... 124
11.1 Basic Parameters about D.G. ...................................................................................................................... 124
11.1.1 Enable Diesel Generator(D.G.) Function .......................................................................................... 124
11.1.2 Setting Diesel Capacity ..................................................................................................................... 126
11.1.3 Setting Air Conditioner WorkPower ................................................................................................. 128
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11.2 Setting the Parameters in Smart Ctrl Mode ................................................................................................ 130
11.3 Setting the Correlative Port ........................................................................................................................ 133
12 Monitoring Information ........................................................................................................ 136
12.1 Monitoring.................................................................................................................................................. 136
12.1.1 System Information ........................................................................................................................... 136
12.1.2 Rectifier Information......................................................................................................................... 141
13 Alarm ......................................................................................................................................... 145
13.1 Alarm Configuration .................................................................................................................................. 145
13.2 Querying Active Alarms ............................................................................................................................. 146
13.3 Historical Alarms ....................................................................................................................................... 147
13.3.1 View Historical Alarms ..................................................................................................................... 147
13.3.2 Export Historical Alarms .................................................................................................................. 148
13.3.3 Clean Historical Alarms .................................................................................................................... 149
13.4 Alarms ........................................................................................................................................................ 150
13.4.1 Internal Fault ..................................................................................................................................... 151
13.4.2 Mains Failure .................................................................................................................................... 151
13.4.3 AC Phase Failure ............................................................................................................................... 151
13.4.4 AC Overvoltage (for a Single-Phase Power System) ........................................................................ 152
13.4.5 AC Undervoltage (for a Single-Phase Power System) ...................................................................... 152
13.4.6 Phase Overvoltage (for a Three-Phase Power System) ..................................................................... 153
13.4.7 Phase Undervoltage (for a Three-Phase Power System) ................................................................... 154
13.4.8 AC SPD Fault .................................................................................................................................... 155
13.4.9 DC Overvoltage ................................................................................................................................ 155
13.4.10 DC Undervoltage ............................................................................................................................ 156
13.4.11 DC Ultra Overvoltage ..................................................................................................................... 157
13.4.12 DC Ultra Undervoltage ................................................................................................................... 157
13.4.13 Load Fuse Break ............................................................................................................................. 158
13.4.14 DC SPD Alarm ................................................................................................................................ 158
13.4.15 Wire Frame Alarm ........................................................................................................................... 159
13.4.16 LLVD1 Disconnecting .................................................................................................................... 159
13.4.17 LLVD1 Disconnected ...................................................................................................................... 159
13.4.18 LLVD2 Disconnecting .................................................................................................................... 160
13.4.19 LLVD2 Disconnected ...................................................................................................................... 160
13.4.20 Charge Overcurrent ......................................................................................................................... 160
13.4.21 Battery Imbalance ........................................................................................................................... 161
13.4.22 Battery Lost ..................................................................................................................................... 162
13.4.23 Battery Fuse Break .......................................................................................................................... 162
13.4.24 High Battery Temperature ............................................................................................................... 163
13.4.25 Low Battery Temperature................................................................................................................ 163
13.4.26 Battery Very High Temperature ...................................................................................................... 164
13.4.27 Battery Very Low Temperature ....................................................................................................... 165
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13.4.28 Battery Temperature Sensor1 Fault ................................................................................................. 165
13.4.29 Battery Temperature Sensor1 Missing ............................................................................................ 166
13.4.30 BLVD Disconnecting ...................................................................................................................... 166
13.4.31 BLVD Disconnected ....................................................................................................................... 166
13.4.32 Current Imbalance ........................................................................................................................... 166
13.4.33 Boost Charging ............................................................................................................................... 167
13.4.34 Battery Temperature Compensation Activation .............................................................................. 167
13.4.35 Battery Discharge ............................................................................................................................ 168
13.4.36 Abnormal Battery Current ............................................................................................................... 168
13.4.37 Battery Test Cancellation ................................................................................................................ 168
13.4.38 Current Limit Exceeded .................................................................................................................. 169
13.4.39 Fault (for Lithium Battery).............................................................................................................. 169
13.4.40 Protection (for Lithium Battery) ..................................................................................................... 170
13.4.41 No response (for Lithium Battery) .................................................................................................. 170
13.4.42 Minor Alarm (for Lithium Battery) ................................................................................................. 170
13.4.43 Rectifier Failure .............................................................................................................................. 171
13.4.44 Rectifier Protection ......................................................................................................................... 171
13.4.45 No Response (for Rectifier) ............................................................................................................ 172
13.4.46 Rectifier AC Power Failure ............................................................................................................. 172
13.4.47 Rectifier DC Over voltage .............................................................................................................. 172
13.4.48 Rectifier Fan Failure ....................................................................................................................... 173
13.4.49 Rectifier Lost .................................................................................................................................. 173
13.4.50 Rectifier Redundancy Active .......................................................................................................... 173
13.4.51 Rectifier Not Redundant ................................................................................................................. 174
13.4.52 Single Rectifier Fault (Redundant) ................................................................................................. 174
13.4.53 Single Rectifier Fault (Not Redundant) .......................................................................................... 174
13.4.54 Multi-Rectifier Fault ....................................................................................................................... 175
13.4.55 Rectifier Loading Failure ................................................................................................................ 175
13.4.56 High Rectifier Capacity .................................................................................................................. 175
13.4.57 Low Rectifier Capacity ................................................................................................................... 176
13.4.58 High Ambient Temperature ............................................................................................................. 176
13.4.59 Ambient Very High Temperature .................................................................................................... 177
13.4.60 Low Ambient Temperature.............................................................................................................. 178
13.4.61 High Ambient Humidity.................................................................................................................. 178
13.4.62 Low Ambient Humidity .................................................................................................................. 179
13.4.63 Ambient Temperature Sensor1 Fault ............................................................................................... 180
13.4.64 Ambient Temperature Sensor1 Missing .......................................................................................... 180
13.4.65 Ambient Humidity Sensor1 Fault .................................................................................................... 180
13.4.66 Ambient Humidity Sensor1 Missing ............................................................................................... 181
13.4.67 Door Sensor Alarm.......................................................................................................................... 181
13.4.68 Smoke Sensor Alarm ....................................................................................................................... 181
13.4.69 Water Sensor Alarm ........................................................................................................................ 182
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13.4.70 Alarms Generated from Ports DI 1–6.............................................................................................. 182
13.4.71 Battery Manual Switch On .............................................................................................................. 183
13.4.72 Unknown System Type ................................................................................................................... 183
13.4.73 ATS Fault ........................................................................................................................................ 184
13.4.74 Diesel Fault ..................................................................................................................................... 184
13.4.75 TEMP Sensor Diconnection(For TCU Summary) .......................................................................... 185
13.4.76 TEMP Sensor Fault(For TCU Summary) ........................................................................................ 185
13.4.77 HT Control temperature Alarm(For TCU Summary) ...................................................................... 185
13.4.78 Air Conditioner Fault(For TCU Summary) ..................................................................................... 186
13.4.79 Heat Fault(For TCU Summary) ...................................................................................................... 186
13.4.80 Fan Fault ......................................................................................................................................... 186
14 Maintenance ............................................................................................................................. 188
14.1 Version........................................................................................................................................................ 188
14.2 Configuration ............................................................................................................................................. 189
14.3 SMU02B Reboot ........................................................................................................................................ 190
14.4 Managing Users ......................................................................................................................................... 191
14.5 Setting the Date and Time .......................................................................................................................... 193
14.6 Downloading Historical Logs and Statistics .............................................................................................. 194
14.7 Downloading Historical Data ..................................................................................................................... 194
14.8 Viewing and Exporting Electronic Labels .................................................................................................. 196
15 Troubleshooting ...................................................................................................................... 198
15.1 Common Faults .......................................................................................................................................... 198
A Technical Specifications ............................................................................................................. 199
B Acronyms and Abbreviations .................................................................................................... 200
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1 Overview
1
Overview
1.1 Description
The site monitoring unit 02B (SMU02B) monitors and manages all series of Huawei box-type,
cabinet-type, and wall-mounted power systems. Figure 1-1 shows an SMU02B.
Figure 1-1 Exterior
1.2 Network Diagram
The SMU02B performs comprehensive battery and rectifier management functions, and
connects to sensors over an extension user interface module (UIM) to monitor the operating
environment for the power system in real time.
Figure 1-1 shows an SMU02B in network. Figure 1-2 shows an SMU02B connected with a
UIM and a system interface board. Figure 1-3 takes one scenario of UIM02D as example to
show the connections.
The figures are for reference only. The hardware and software configurations depend on the
power system type.
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1 Overview
Figure 1-1 SMU02B in network diagram
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Figure 1-2 SMU02B connected with a UIM and a system interface board
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1 Overview
Figure 1-3 UIM ports (take one scenario of UIM02D as example)
1.3 Feature
The SMU02B has the following features:
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1 Overview

Performs comprehensive power management and intelligent battery management.

Intelligent TCU management.

Supports Hyper Text Transport Protocol (HTTP), Simple Network Management Protocol
(SNMP).

Supports remote software upgrade.

Supports downloading historical logs and statistics.

Manages diesel generators (D.G.).

Allows you to query system component information recorded on electronic labels over a
Web UI.

Supports system management over the Network Ecosystem (NetEco).

Provides twelve dry contact outputs (DO), and DO can be used for alarm or controlling
device.

Provides six spare dry contact inputs (DI).

Provides ports to connect to the smoke sensor, door status sensor, water sensor, battery
temperature sensor, ambient temperature and humidity sensor.

Supports multiple languages, such as English, Chinese, Turkish, Spanish, Portuguese,
and German.

Supports hot plug.
1.4 Function
Table 1-1 describes the SMU02B functions.
Table 1-1 SMU02B functions
Category
Function
Battery
management
Battery boost charging and float charging management
Battery test management
Battery current limiting management
Battery temperature compensation management
Battery high temperature protection
Battery low voltage disconnection (BLVD) protection
Battery imbalance detection
Battery remained capacity percent and predicted discharge time calculation
Intelligent battery hibernation
Rectifier
management
Rectifier operating information
Rectifier power-on/off control
Rectifier output voltage and current limits
Rectifier overvoltage protection reset (Only for CAN-type rectifier)
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Category
Function
Rectifier Walk-in (Only for CAN-type rectifier)
Sequential Rectifier Startup(Only for CAN-type rectifier)
Energy
Saving
Intelligent rectifier hibernation
Detection
Alternating current (AC) voltage, current, and frequency
Peak clipping power consumption and peak shifting power consumption
Direct current (DC) voltage
Load current
Battery current and temperature
Ambient temperature and humidity
Intelligent
temperature
management
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The SMU02B dynamically adjusts the fan speed or starts or shuts down the
air conditioner based on the temperature inside the cabinet or the preset
temperature control curve, to adjust the temperature inside the cabinet to a
proper range.
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2 Panel and Ports
2
Panel and Ports
Panel
Figure 2-1 shows the SMU02B panel.
Figure 2-1 Panel
(1) Run indicator
(2) Minor alarm indicator
(3)Major alarm indicator
(4) Liquid crystal display
(LCD)
(5) Locking latch
(6) Button
(7) Universal serial bus
(USB) port (reserved)
(8) RS485/RS232 serial
port
(9) FE port
Indicators
Table 2-1 describes the SMU02B indicators.
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Table 2-1 Indicator description
Indicator
Color
Status
Description
Running
status
Green
Off
The SMU02B is faulty or has no power
input.
Blinking at
0.5 Hz
The SMU02B runs properly and
communicates with the host properly.
Blinking at 4
Hz
The SMU02B runs properly but does not
communicate with the host properly.
Off
No minor and warning alarm
Steady on
A minor or warning alarm is generated
Off
No critical and major alarm
Steady on
A critical or major alarm is generated
Minor alarm
indicator
Yellow
Major alarm
indicator
Red
LCD
The SMU02B provides a 128 x 48 pixel LCD with white backlight to display power system
information. The view region is 34.54 mm x 11.02mm.
Buttons
The SMU02B provides four buttons to set and query parameters. Table 2-2 describes the
button functions.
Table 2-2 Button description
Button
Silkscreen
Button Name
Description
▲ or ▼
Up or down
Allows you to view and set menu items.
Cancel
Returns to the previous menu without saving the
current menu settings.
Enter
Enters the main menu from the standby screen,
enters a submenu from the main menu, or saves
menu settings.
NOTE:
 After a menu is displayed, the standby screen is displayed and the LCD screen becomes dark if you
do not press any button within 5 minutes.

You need to log in again if you do not press any button with 8 minutes.

The default username is admin and the default password is 001
USB Port
The USB port is reserved in this version.
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2 Panel and Ports
Communications Ports
Table 2-3 Communications port description
Communications Ports
Communications Parameter
Protocol Compliance
FE
10M/100M auto-adaptation
HTTP, SNMP, and
Huawei NetEco protocol
RS485
Baud rate: 9,600 bit/s or 19,200
bit/s
Huawei private protocol
RS232
-
YD/T 1363.2
Figure 2-2 FE and RS485/RS232 pin definition
Table 2-4 FE pin definition
Pin
Signal
Description
1
TX+
FE transmit
2
TX-
3
RX+
6
RX-
FE receive
Table 2-5 RS485/RS232 pin definition
Pin
Signal
Description
1
TX+
RS485 transmit
2
TX-
4
RX+
5
RX-
3
RX232
RS232 receive
7
TX232
RS232 transmit
6
PGND
Ground
8
-
-
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RS485 receive
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3 Installation
3
Installation
3.1 Safety Precautions
To protect an SMU02B, wear electrostatic discharge (ESD) gloves when installing or
replacing the SMU02B.
3.2 Installing an SMU02B
To install an SMU02B, perform the following steps:
Step 1 Hold the handle of the SMU02B, and insert the SMU02B into the correct position in the
power system.
Step 2 Push the SMU02B until its front panel aligns with the front panel of the power subrack.
Step 3 Push the locking latch on the front panel to the right.
----End
Figure 3-1 Installing an SMU02B
3.3 Replacing an SMU02B
To remove an SMU02B, push the locking latch to the left to release the handle and then pull
out the SMU02B.
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4 LCD User Interface
4
LCD User Interface
Symbol Conventions
Symbol
Enter
Down
Cancel
Up
Down
Enter Down
Description
Press one time Enter button.
Press one time Down button.
Press one time Cancel button.
Press one time Up button.
Press more than one times Down button.
Press one time Enter button and more than one times Down button.
Picture with black border shows the path or view parameter
Picture with red border shows the variable parameter
Selecting a Display Language
After the SMU02B is powered on, the screen for selecting a display language is displayed.
You can select Chinese, English or other language by pressing ▲ or ▼ and enter the standby
screen by pressing Enter, as shown in Figure 4-1.
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4 LCD User Interface
Figure 4-1 Selecting Language
Password
To open the Settings page, Quick Setting page, and Control page, you need to enter a
password. The default user name is admin and the default password is 001. You can add or
delete users, and change the user name and password by Web UI refer to 14.4 Managing
Users.
LCD Menu Hierarchy
Figure 4-2 LCD Menu hierarchy
NOTE
The LCD Menu hierarchy is dynamic changed due to the different configuration. The above figure is
only for reference, the detailed information based on the SMU02B LCD Menu that you used.
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5 Web User Interface
5
Web User Interface
5.1 Preparation Before Logging
Operating Environment
Operating system: Windows.
Browser: Internet Explorer 6.0 or later.
Network Connection
Connect the FE port on the SMU02B to a network.
Figure 5-1shows the network connection.
Figure 5-1 Network connection
Setting an IP Address
Set the IP address, subnet mask, and gateway for the SMU02B based on those assigned by the
customer.
Figure 5-2shows the way to set these parameters on LCD UI.
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5 Web User Interface
Figure 5-2 Setting an IP address
Setting an LAN
CAUTION
If the SMU02B has connected to a LAN and a proxy server has been selected, cancel the
proxy server settings.
If the SMU02B has connected to the Internet but the computer has connected to a LAN, do
not cancel the proxy server settings. Otherwise, you cannot access the SMU02B.
To cancel proxy server settings, perform the following steps:
Step 1 Open Internet Explorer.
Step 2 Choose Tools > Internet Options.
Step 3 Click the Connections tab and then click LAN settings.
Step 4 In the displayed dialog box, clear Use a proxy server for your LAN (These settings will not
apply to dial-up or VPN connections).
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Figure 5-3 Canceling proxy server settings
Step 5 Click OK.
----End
Setting Compatibility
To use the Web UI normally on Internet Explorer 8.0, click Compatibility View Button to
open the compatibility view and set Internet Explorer 8.0, as shown in Figure 5-4.
Figure 5-4 Compatibility View Button
Setting Internet Explorer Security
CAUTION
Before exporting historical logs, historical datas, statistics, and battery test records, set
Internet Explorer security.
To set Internet Explorer security, perform the following steps:
Step 1 Open Internet Explorer.
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5 Web User Interface
Step 2 Choose Tools > Internet Options.
Step 3 Click the Security tab. Click Internet and then click Custom level.
Step 4 Enable ActiveX controls and plug-ins, Download signed ActiveX controls (not
secure), Download unsigned ActiveX controls (not secure) and Intialize and script
ActiveX controls not marked as safe for scripting options, as shown in Step 4.
Figure 5-5 IE Security Options
Step 5 Click OK.
----End
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5 Web User Interface
5.2 Logging
Enter the IP address for the SMU02B in the address bar of Internet Explorer.
On the login page shown in Figure 5-6, set User Name to admin (default user name) and
Password to 001 (default password).
Figure 5-6 Login page
5.3 Web pages
Querying System Status
To view the information about Active Alarm, Site Summary, Rectifier Summary, Rectifier,
Battery Summary, VRLA Summary, TCU Summary and Fan Group, please click System
Status, as shown in Figure 5-7.
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Figure 5-7 System Status
Configuring System Parameters
The user can configure Site Summary, Rectifier Summary, VRLA Battery Basic Parameters
and other parameters in the System Configuration pane, as shown in Figure 5-8.
Figure 5-8 System Configuration
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Configuring Network Parameters
In the Network Configuration pane, you can set the IP address, subnet mask, and default
gateway under Network Parameter, the host communications address and baudrate under Host
Comm protocol, and main server IP addresses and port number under Neteco.
Figure 5-9 shows the Network Configuration pane.
Figure 5-9 Network Configuration
Setting Control Parameters
You can set control parameters for Site Summary, Rectifier Summary, Rectifier and Battery
Summary in the Control pane, as shown in Figure 5-10.
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Figure 5-10 Control
Managing Users
You can create and delete users and modify user information in the User Management pane,
as shown in Figure 5-11. Users are classified into three types: admin, engineer, and operator.
Different user types have different operation rights. Only admin users have user management
rights.
Figure 5-11 User Management
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Upgrading Software
You can upgrade SMU and PSU software in the Version management pane, as shown in
Figure 5-12.
To upgrade software, perform the following steps:
Step 1 Click Browse to select the software and then click Send.
Step 2 After the software information is displayed under Packages to be activated, select the
software and click Activate.
The software upgrade progress is displayed. A message is displayed when the upgrade is
successful.
----End
Figure 5-12 Version Management
Exporting Historical Logs
You can download historical log, historical data and statistics by clicking Download and
export battery testing records in Hypertext Markup Language (HTML) files by clicking
Export.
Figure 5-13 shows the Log History pane.
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Figure 5-13 Log History
Exporting Historical Alarms
You can download historical alarms in the Historical Alarms pane, as shown in Figure 5-14.
To export historical alarms in HTML files, click Export. To clear historical alarms, click
Clean.
Figure 5-14 Historical Alarms
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Configuring Alarm Parameters
You can set alarm enabled, alarm severity, and relay in the Alarm Configuration pane, as
shown in Figure 5-15.
Figure 5-15 Alarm Configuration
Configuring Site Parameters
In the Site Configuration pane, you can set the system date and time, site information, and
operate configuration, as shown in Figure 5-16.
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Figure 5-16 Site Configuration
Energy Saving
You can set Basic Parameters, Control For Different Rates, Control for Exceeding Max Power,
Daily Electric Consume Mode, Monthly Electric Consume Mode in the Energy Saving pane,
as shown in Figure 5-17.
Figure 5-17 Energy Saving
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Reading Electronic Labels
You can query electronic label in the Electronic Label pane. To export electronic label
information in HTML files, click Export.
Figure 5-18 Electronic Labels
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6
Power System Configuration
6.1 Basic Parameters about VRLA Batteries
Introduction
Battery management consists of battery charging, battery current limiting, battery test etc.
These functions are based on the basic parameters. Accordingly, the basic parameters must be
configured as the real condition of the power system.
Parameters
Table 6-1 Basic parameters
Parameter
Description
Qty of Battery Strings
Number of shunts in the power system
Rated Capacity
Total capacity of the VRLA batteries connecting to each shunt
Figure 6-1 Scenario with one shunt connecting to one battery string (each battery string being 150
Ah)
Qty of Battery Strings
Rated Capacity
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1
150Ah
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Figure 6-2 Scenario with two shunts connecting to two battery strings (each battery string being
150 Ah)
Qty of Battery Strings
Rated Capacity
2
150Ah
Figure 6-3 Scenario with one shunt connecting to two battery strings (each battery string being
150 Ah)
Qty of Battery Strings
Rated Capacity
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1
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Figure 6-4 Scenario with two shunts connecting to four battery strings (each battery string being
150 Ah)
Qty of Battery Strings
Rated Capacity
2
300Ah
LCD UI
Figure 6-5 Setting basic battery parameters on the LCD
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Web UI
Figure 6-6 Setting Qty of Battery Strings on the Web UI
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Figure 6-7 Setting Rated Capacity on the Web UI
6.2 Communications Parameters
Introduction
SMU02B can be managed remotely or locally via RS485, RS232 or FE port.
Table 6-2 Communications Parameters
Network
Port
Parameter
Huawei network
RS485
Host Comm Address
Host Comm Baudrate
IP network
FE
IP Address
Subnet Mask
Default Gateway
NetEco Main IP (with NetEco)
NetEco Bak IP (with NetEco)
NetEco Port (with NetEco)
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Parameters
Table 6-3 Communications parameters
Parameter
Description
Default Value
Value Range
IP Address
IP address for the
SMU02B
192.168.0.10
0.0.0.0-255.255.255.255
Subnet Mask
Subnet mask for the
SMU02B
255.255.255.0
0.0.0.0-255.255.255.255
Default
Gateway
Gateway for
SMU02B
the
192.168.0.1
0.0.0.0-255.255.255.255
Host
Comm
Address
Address for
SMU02B
the
0
0-31
Host
Comm
Baudrate
Baudrate of the
communication
9600
9600, 19200
NetEco Main IP
IP address for the
primary server
58.251.159.136
0.0.0.0-255.255.255.255
NetEco Bak IP
IP address for the
secondary server
58.251.159.136
0.0.0.0-255.255.255.255
NetEco Port
Port number
31220
0-65535
LCD UI
Figure 6-8 Setting communications parameters on the LCD UI
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Web UI
Figure 6-9 Setting communications parameters on the Web UI
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7
VRLA Battery Management
7.1 Battery Charging
If the AC input to the power system is normal and meet load requirements, rectifiers supply
DC power to loads and VRLA batteries. If the AC input to the power system is abnormal or
rectifiers cannot supply DC power, VRLA batteries supply power to loads. After the AC input
is restored, rectifiers supply DC power to loads and VRLA batteries.
7.1.1 Float Charging
Principles
VRLA batteries self-discharge slowly when they are being used. To compensate for the loss
caused by self-discharge, charge VRLA batteries in float mode to ensure their full amount of
electricity. Float charging also helps to maintain battery capacity after a large amount of
electricity is discharged.
Parameters
Table 7-1 Float Charge parameter description
Parameters
Description
Default
Value
Value Range
Float Charge
Charge voltage at which VRLA
batteries are being charged in
float mode
53.5 V
48.0-58.0 V
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LCD UI
Figure 7-1 Setting float charging parameters on the LCD UI
Web UI
Figure 7-2 Setting float charging parameters on the Web UI
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7.1.2 Boost Charging Overview
Principles
After long-time float charging, VRLA batteries suffer great loss caused by self-discharge and
their activity deteriorates. Boost charging helps to rapidly restore battery capacity after the AC
power supply is restored and helps to maintain battery activity and capacity. The boost
charging voltage is higher than the float voltage.
Table 7-2 describes the boost charging modes supported by the SMU02B.
Table 7-2 Boost charging mode description
Control
Mode
Boost
Charging
Mode
Description
Automatic
mode
Automatic
Boost
charging
Boost charging is triggered automatically based on the charge
current and remaining battery capacity.
Cyclic
boost
charging
Boost charging is triggered automatically based on the preset
interval.
Pre-boost
charging
Boost charging is triggered automatically before a cyclic or
planned discharge test starts.
Manual
boost
charging
After you manually set Boost / Float Charge Control to Boost
Charge, float charging is triggered automatically when the
conditions of boost charging are not met.
Manual
boost
charging
You need to manually switch between Boost Charge and Float
Charge under Boost / Float Charge Control even though the
conditions of boost charging are not met.
Manual
mode
Parameters
Table 7-3 Boost charging parameter description
Parameter
Description
Default
Value
Value Range
Boost Charge
Charge voltage at which VRLA
batteries are being charged in
Boost mode
56.4 V
48.0-58.0 V
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LCD UI
Figure 7-3 Setting Boost charging parameters on the LCD UI
Web UI
Figure 7-4 Setting Boost charging parameters on the Web UI
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7.1.3 Automatic Boost Charging
Principles
The SMU02B determines whether the current battery capacity is sufficient based on the
charge current and remaining amount of electricity. If the conditions for Boost charging are
met, Boost charging is triggered automatically after the AC power supply is restored. After
VRLA batteries are fully charged, float charging is triggered automatically.
Parameters
Table 7-4 Parameter description for automatic Boost charging
Parameter
Description
Default
Value
Value Range
Automatic Boost
Charge Enabled
Enables or disables automatic
Boost charging.
Enable
Enable,Disable
FC to BC
Current(C10)
Current threshold above which
Boost charging is triggered
0.05C10
0.01-0.30 C10
Current To BC
Delay(Min)
Duration for confirming Boost
charging triggering after the
battery current exceeds the
value of FC to BC Current
30Min
2-1440 Min
FC to BC
Capacity (%)
Electricity threshold above
which Boost charging is
triggered
80%
50-100 %
Capacity To BC
Delay(Min)
Duration for confirming Boost
charging triggering after the
battery electricity exceeds the
value of FC to BC Capacity
10Min
2-1440 Min
BC to FC
Current(C10)
Current threshold below which
float charging is triggered
0.01C10
0.01-0.30 C10
BC to FC
Delay(Min)
Duration for confirming float
charging triggering after the
battery current drops below the
value of BC to FC Current
30Min
2-540 Min
Maximum Boost
Charge Time(H)
Longest Boost charging
duration, after which VRLA
batteries are charged in float
mode
16H
5-48 H
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LCD UI
Figure 7-5 Setting Automatic Boost Charging parameters on the LCD UI
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Web UI
Figure 7-6 Setting Automatic Boost Charging parameters on the Web UI
7.1.4 Cyclic Boost Charging
Principles
If the power grid is of high quality and without AC power failures for a long time, VRLA
batteries have low activity because they are always in the float charging state. To improve
battery activity, you can charge VRLA batteries in Cyclic Boost mode by setting charge
intervals.
Since no AC power failures occur for a long time, VRLA batteries are charged in float mode
with a small current. Therefore, the change from cyclic boost charging to float charging
depends on the charging duration rather than the battery current.
Parameters
Table 7-5 Parameter description for cyclic boost charging
Parameter
Description
Default
Value
Value Range
Cyclic BC
Enabled
Enables or disables cyclic boost
charging.
Enable
Enable,Disable
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Parameter
Description
Default
Value
Value Range
Cyclic BC
Interval(Day)
A time interval after which
Boost charging starts if no Boost
charging happens during the
interval
30Days
1-365Day
Cyclic BC
Duration(H)
Duration for a cyclic boost
charging period
9H
1-24 H
LCD UI
Figure 7-7 Setting cyclic boost charging parameters on the LCD UI
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Web UI
Figure 7-8 Setting cyclic boost charging parameters on the Web UI
7.1.5 Pre-boost Charging
Principles
To ensure the accuracy of battery discharge test data, perform a pre-boost charging for VRLA
batteries based on the battery capacity before a cyclic or planned discharge test starts.
Pre-boost charging is considered as one specific scenario of cyclic boost charging, and
changes to float charging after the preset charging duration ends.
Parameters
Table 7-6 Pre-boost charging parameter description
Parameter
Description
Default
Value
Value Range
Pre-BC Enabled
Enables or disables pre-boost
charging.
Enable
Enable,Disable
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LCD UI
Figure 7-9 Setting Pre-boost charging parameters (Pre-boost charging before plan test)
NOTE
When Batt Test Type is Plan Test and Plan Test Num is more than 0, Pre-BC Enabled can be set to
“Enable”.
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Figure 7-10 Setting Pre-boost charging parameters (Pre-boost charging before cyclic test)
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Web UI
Figure 7-11 Setting Pre-boost charging parameters (Pre-boost charging before plan test)
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Figure 7-12 Setting Pre-boost charging parameters (Pre-boost charging before cyclic test)
7.1.6 Manual Boost Charging
Principles
Manual boost charging can be enabled in automatic mode or manual mode. The methods for
manual boost charging changes to float charging vary depending on the control mode
(automatic or manual).
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Table 7-7 Manual boost charging
Control
Mode
Boost
Charging
Mode
Method for Changing to Float Charging
Automatic
mode
Manually
Changes to float charging automatically.
Manual
mode
Manually
Changes to float charging manually.
Only the personnel that are familiar with power management are allowed to manually switch
between manual boost charging and float charging. To prevent a condition that, for example,
you forget to change boost charging back to float charging, the manual mode changes to
automatic mode after 2 hours.
Parameters
Table 7-8 Boost / Float Charge Control
Parameter
Description
Default
Value
Value Range
Boost / Float
Charge Control
Switches between manual boost
charging and float charging.
Float Charge
Float Charge,
Boost Charge
LCD UI
Figure 7-13 Setting Manual boost charging parameters on the LCD UI
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Web UI
Figure 7-14 Setting Manual boost charging parameters on the Web UI
7.2 Battery Current Limiting
Principles
To prevent battery bulges caused by overcurrent during battery charging, battery currents
should be limited to a constant value. If the charge current exceeds the threshold, an
overcurrent alarm is generated.
If you need to charge storage batteries quickly, change the value of Current Limit. A greater
value indicates a higher battery charging speed.The upper limit of the value is 0.25 C10
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Parameters
Table 7-9 Current Limit and Over Current
Parameter
Description
Default
Value
Value Range
Current
Limit(C10)
Battery charge current threshold
0.15C10
0.05-0.25 C10
Over
Current(C10)
Alarm threshold for battery charge
overcurrent. If the charge current
exceeds the threshold, an
overcurrent alarm is generated.
0.25C10
0.05-0.50 C10
LCD UI
Figure 7-15 Setting Battery Current Limiting parameters on the LCD UI
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Web UI
Figure 7-16 Setting Manual current limiting parameters on the Web UI
7.3 Battery Test
7.3.1 General Configuration
Principles
The SMU02B provides various methods for testing battery states: standard test, AC power
failure test, short test, cyclic test, and planned test. You can use one or more battery test
methods based on the power supply and load power.
Table 7-10 Test method description
Control
Mode
Test Method
Description
Manual
mode
Standard test
Manually starts a battery discharge test.
Automatic
mode
AC power
failure test
Starts a battery discharge test during an AC power failure.
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Control
Mode
Test Method
Description
Short test
Starts a short-term battery discharge test periodically. The
default test duration is 5 minutes.
Cyclic test
Starts a standard test periodically.
Planned test
Starts a standard test at a preset time.
In any battery tests, the battery discharge current depends on the load current. In all battery
tests except the AC power failure test, set the rectifier output voltage 1 V below the test end
voltage to ensure that all load currents are from VRLA batteries.
If the battery temperature is lower than the minimum value, stop all ongoing battery tests and
do not start any new battery test.
The standard test, AC power failure test, cyclic test, and planned test stop automatically
immediately when any test end condition is met, namely, when the test end voltage, test end
capacity, test end temperature, or battery test time arrives.
Parameters
Table 7-11 Battery End description
Parameter
Description
Default
Value
Value Range
Test End
Voltage(V)
A voltage below which the
battery test ends if the battery
voltage drops.
46.0V
43.0-53.0 V
Test End
Capacity (%)
An amount of electricity below
which the battery test ends if the
battery electricity drops.
20.0%
0.0-100.0%
Battery Test
End
Temp(degC)
A temperature below which the
battery test ends if the battery
temperature drops.
5degC
-5-15 degC
Test End
Time(Min)
Duration for a battery test
480Min
1-6000 Min
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LCD UI
Figure 7-17 Battery tests on the LCD UI
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WEB UI
Figure 7-18 Battery tests on the Web UI
7.3.2 Standard Test
Principles
An ongoing standard battery discharge test can be stopped manually or automatically when
any of the test end voltage, test end capacity, test end temperature, and battery test time
arrives.
Parameters
Table 7-12 Battery Test Control description
Parameter
Description
Default
Value
Value Range
Battery Test
Control
Starts or stops a battery test.
Stop
Start,Stop
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LCD UI
Figure 7-19 Standard test on the LCDUI
Web UI
Figure 7-20 Standard test on the Web UI
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7.3.3 Short Test
Principles
A periodic short test helps to activate VRLA batteries and to estimate their instant discharge
performance.
You can enable or disable a short test and configure its period and duration. Then the
SMU02B starts a short test based on preset parameters.
When any of the test end voltage, short test duration, test end temperature arrives, the short
test stops.
Parameters
Table 7-13 Short test parameter description
Parameter
Description
Default
Value
Value Range
Short Test
Enabled
Enables or disables a short test.
Enable
Enable,Disable
Short Test
Interval(Day)
Period for starting a short test.
30Days
1-360Day
Short Test
Duration(Min
)
Short test duration. When the
duration ends, the short test ends.
5Min
1-240 Min
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LCD UI
Figure 7-21 Short test on the LCD UI
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Web UI
Figure 7-22 Short test on the Web UI
7.3.4 Mains Failure Test
Principles
When mains failure occurs, a battery discharge test starts.
Parameters
Table 7-14 Mains Failure Test Enabled description
Parameter
Description
Default Value
Value Range
Mains
Failure Test
Enabled
Enables or disables
mains failure test.
Disable
Enable,Disable
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LCD UI
Figure 7-23 Mains failure test on the LCD UI
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Web UI
Figure 7-24 Mains failure test on the Web UI
7.3.5 Cyclic Test
Principles
A cyclic test helps to estimate a battery health.
Parameters
Table 7-15 Cyclic test parameter description
Parameter
Description
Default Value
Value Range
Battery Test
Type
A mode for testing VRLA
batteries.
No Test
No Test, Cyclic Test,
Plan Test
90Days
2-999Day
The parameter should be
set to Cyclic Test.
Cyclic Test
Interval(Day)
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Period for a cyclic test
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Parameter
Description
Default Value
Value Range
Cyclic Test
Start Time(H)
Time for starting a cyclic
test
21H
0-23H
LCD UI
Figure 7-25 Cyclic Test on the LCD UI
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Web UI
Figure 7-26 Cyclic Test on the Web UI
7.3.6 Planned Test
Principles
The SMU02B starts a planned test at the preset time to estimate a battery health.
Parameters
Table 7-16 Plan test parameter description
Parameter
Description
Default Value
Value Range
Battery Test
Type
A mode for testing
VRLA batteries.
The parameter should
be set to Plan Test.
No Test
No Test, Cyclic Test,
Plan Test
Plan Test
Number
Times of planned test
during a year.
0
0-6
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Parameter
Description
Default Value
Value Range
Test Date 1
Time for starting the
first planned test.
01-01 08:00
-
This parameter displays
when the Plan Test
Number is more than
0.
LCD UI
Figure 7-27 Planned Test on the LCD UI
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Web UI
Figure 7-28 Planned Test on the Web UI
7.3.7 Battery Test Record
Principles
During a battery test, the SMU02B records test information for you to judge battery status. On
the Web UI, you can export battery test records in HTML format.
Parameters
Table 7-17 Battery Test Record description
Parameter
Description
Start Time
Time when a battery test starts. The parameter is displayed on both the
LCD and Web UI.
End Time
Time when a battery test ends. The parameter is displayed on both the
LCD and Web UI.
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Parameter
Description
Start Reason
Reason why a battery test starts. The parameter is displayed on both
the LCD and Web UI.
End Reason
Reason why a battery test ends. The parameter is displayed on both the
LCD and Web UI.
Test Result
Result of a battery test. The parameter is displayed on both the LCD
and Web UI.
End Voltage
Charge voltage when the test ends. The parameter is displayed on the
Web UI, but not displayed on the LCD.
Average
Discharge
Current(A)
Average discharge current during a battery test. The parameter is
displayed on the Web UI, but not displayed on the LCD.
Discharged
Amount of electricity discharged during a battery test. The parameter is
displayed on the Web UI, but not displayed on the LCD.
LCD UI
Figure 7-29 Battery Test Record on the LCD UI
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Web UI
Figure 7-30 Battery Test Record on the Web UI
7.4 Battery Temperature Compensation
Principles
To prolong the battery lifespan, battery charge voltages should be adjusted based on battery
temperatures during float charging or hibernation.Temperature correction equation for the
float and hibernation voltages is as follows: V = V0 – (T – T0) x ρ
Where

V: Float charging or hibernation voltage after temperature compensation

V0: Float and hibernation voltages at the most appropriate temperature

T: Battery temperature measured by a battery temperature sensor

T0 : The most appropriate temperature configured by users

ρ : Temperature compensation coefficient is user-defined
If the battery temperature is in the range of 5°C to 45°C, temperature compensation is
triggered. If the battery temperature is below 5°C, set T to 5. If the battery temperature is
above 45°C, set T to 45.
The temperature compensation correction value (δ V = V – V0) is within the range of –2 V to
+2 V. If the actual δ V is beyond the range, the value of V0 (tolerance ±2 V) prevails.
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Parameters
Table 7-18 Parameter description for battery temperature compensation
Parameter
Description
Default Value
Value Range
Compensation
Factor(mV/deg
C)
Temperature
compensation
coefficient
78 mV/degC
0-500 mV/degC
Nominal
Temperature(d
egC)
If the battery
temperature equals the
value of Nominal
Temperature, no
temperature
compensation is
performed.
25 degC
5-45 degC
LCD UI
Figure 7-31 Battery Temperature Compensation on the LCD UI
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Figure 7-32 Battery Temperature Compensation on the Web UI
7.5 Battery High Temperature Protection
Principles
There are three battery high temperature protection levels:

Changing to float charging at a high temperature

Generating a battery high temperature alarm

SMU02B operating at a very high temperature
Table 7-19 describes the three protection methods.
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Table 7-19 Battery high temperature protection description
Battery
Temperature
Protection
Method
Description
Battery high
temperature – 5°
C
Changing to
float charging
at a high
temperature
After the battery temperature stays at the
temperature for changing to float charging for 5
minutes, VRLA batteries enter the float charging
status.

Temperature for changing to float charging =
High battery temperature (user-defined) - 5°C

Range for changing to float charging: 40–50°C

Hysteresis for changing to float charging: 5°C
Battery high
temperature
Generating a
battery high
temperature
alarm
After the battery temperature stays at or above the
high battery temperature for 5 minutes, a battery
high temperature alarm is generated.
Battery very high
temperature
Action on Very
High Battery
Temp
After the battery temperature stays at or above the
battery very high temperature for 5 minutes, the
SMU02B performs any of the following functions as
configured:

Lower DC Volt: Lowers the busbar voltage to the
high temperature protection voltage within 5
minutes.

BLVD: Disconnects VRLA batteries within 5
minutes.

Do Nothing.
Parameters
Table 7-20 Parameter description for battery high temperature protection
Parameter
Description
Default Value
Value Range
Action on Very
High Battery
Temp
The parameter can be set to
Lower DC Volt, BLVD, or
Do Nothing.
Lower DC Volt
Lower DC Volt,
BLVD, Do Nothing
Battery over
Temp Protect
Voltage(V)
If you set Action on Very
High Battery Temp to
Lower DC Volt, adjust the
rectifier output voltage
based on the value of
Battery over Temp Protect
Voltage.
50.5V
42.0-53.0V
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Parameter
Description
Default Value
Value Range
Battery High
Temp(degC)
A temperature at or above
which a battery high
temperature alarm is
generated.
45 degC
25-80 degC
Battery Very
High
Temp(degC)
When the battery
temperature reaches the
preset value, the SMU02B
performs operations based
on the value of Action on
Very High Battery Temp.
53 degC
25-80 degC
LCD UI
Figure 7-33 Battery High Temperature Protection on the LCD UI
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Web UI
Figure 7-34 Battery High Temperature Protection on the Web UI
7.6 Low Voltage Disconnection Protection
Principles
If an AC input is abnormal, VRLA batteries start to power loads. In this case, the SMU02B
drives contactors to disconnect loads based on preset disconnection parameters. After the AC
input becomes normal, the rectifiers begin to power loads.
The SMU02B supports two-level disconnection (BLVD, LLVD) or three-level disconnection
(BLVD, LLVD1, and LLVD2), based on different power system type. The SMU02B
disconnects secondary loads and then primary loads, helping to prolong the backup time for
primary loads.
The maximum disconnection mode for power system type is three-level disconnection (BLVD,
LLVD1, and LLVD2). Please refer to Power System User Mannal for actual disconnection
mode. This manual takes the three-level disconnection as an example.
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Figure 7-35 Conceptual diagram
The SMU02B can disconnect loads by voltage, duration, and renaming electricity.
Table 7-21 Description for low voltage disconnection modes
Disconnecting
Loads by
Disconnecting Loads When
Connecting
When
Loads
Voltage
The battery voltage is lower than the
preset value.
Duration
Meet one of criteria:
The rectifier output
voltage is higher than the
preset value.
The battery voltage is lower than the
preset value.
The duration for supplying power by
VRLA batteries is longer than the preset
value.
Remaining
capacity
Meet one of criteria:
The battery voltage is lower than the
preset value.
The battery capacity is lower than the
preset value.
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Parameters
Table 7-22 Low voltage disconnection description
Parameter
Description
Default
Value
Value Range
BLVD Enabled
Enables or disables the BLVD
function. If the BLVD function is
disabled but the BLVD route has
been disconnected, connect the
BLVD route immediately.
Enable
Enable, Disable
BLVD Mode
The parameter can be set to By
Voltage, By Time or By Capacity.
By
Voltage
By Voltage, By
Time, By Capacity
BLVD
Disconnected
Voltage(V)
If the battery voltage is lower than
the value of BLVD Disconnected
Voltage (V), the BLVD route is
disconnected.
43.2V
35.0-47.8V
BLVD
Reconnected
Voltage(V)
If the rectifier output voltage is
higher than the value of BLVD
Reconnected Voltage (V), the BLVD
route is connected.
51.5V
37.0-53.0V
BLVD Time
If BLVD Mode is set to By Time, the
BLVD route is disconnected when
duration for supplying power by
VRLA batteries is longer than the
value of BLVD Time.
480Min
5-1000 Min
BLVD
Disconnected
Capacity (%)
If BLVD Mode is set to By Capacity,
the BLVD route is disconnected
when the remaining battery
electricity is lower than the value of
BLVD Disconnected Capacity (%).
5.0%
0.0~100.0%
LLVD1 Enabled
Enables or disables the LLVD1
function. If the LLVD1 function is
disabled but the LLVD1 route has
been disconnected, connect the
LLVD1 route immediately.
Enable
Enable, Disable
LLVD1 Mode
The parameter can be set to By
Voltage, By Time or By Capacity.
By
Voltage
By Voltage, By
Time, By Capacity
LLVD1
Disconnected
Voltage(V)
If the battery voltage is lower than
the value of LLVD1 Disconnected
Voltage (V), the LLVD1 route is
disconnected.
45.0V
35.0-47.8V
LLVD1
Reconnected
Voltage(V)
If the rectifier output voltage is
higher than the value of LLVD1
Reconnected Voltage (V), the
LLVD1 route is connected.
51.0V
37.0-53.0V
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Parameter
Description
Default
Value
Value Range
LLVD1 Time
If LLVD1 Mode is set to By Time,
the LLVD1 route is disconnected
when duration for supplying power
by VRLA batteries is longer than the
value of LLVD1 Time.
180Min
5-1000Min
LLVD1
Disconnected
Capacity (%)
If LLVD1 Mode is set to By
Capacity, the LLVD1 route is
disconnected when the remaining
battery electricity is lower than the
value of LLVD1 Disconnected
Capacity (%).
25.0%
0.0~100.0%
LLVD2 Enabled
Enables or disables the LLVD2
function. If the LLVD2 function is
disabled but the LLVD2 route has
been disconnected, connect the
LLVD2 route immediately.
Enable
Enable, Disable
LLVD2 Mode
The parameter can be set to By
Voltage, By Time or By Capacity.
By
Voltage
By Voltage, By
Time, By Capacity
LLVD2
Disconnected
Voltage(V)
If the battery voltage is lower than
the value of LLVD2 Disconnected
Voltage (V), the LLVD2 route is
disconnected.
45.0V
35.0-47.8V
LLVD2
Reconnected
Voltage(V)
If the rectifier output voltage is
higher than the value of LLVD2
Reconnected Voltage (V), the
LLVD2 route is connected.
51.0V
37.0-53.0V
LLVD2 Time
If LLVD2 Mode is set to By Time,
the LLVD2 route is disconnected
when duration for supplying power
by VRLA batteries is longer than the
value of LLVD2 Time.
180Min
5-1000Min
LLVD2
Disconnected
Capacity (%)
If LLVD2 Mode is set to By
Capacity, the LLVD2 route is
disconnected when the remaining
battery electricity is lower than the
value of LLVD2 Disconnected
Capacity (%)
25.0%
0.0~100.0%
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LCD UI
Figure 7-36 Low voltage disconnection setting on the LCD
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Web UI
Figure 7-37 Low voltage disconnection setting on the Web UI
7.7 Battery Imbalance Detection
7.7.1 Middle Voltage Detection for a Battery String
Principles
To check battery balance, detect the voltage at the middle point of a battery string during
battery discharge.
If the absolute value of VB-2 xVn is greater than or equal to 2.0 V for 30 seconds, a battery
imbalance alarm is generated. In this formula, VB is the voltage at either end of a battery
string and Vn is the voltage at the middle point of battery string n. The SMU02B detects the
middle point voltages of a maximum of six battery strings respectively.
After the absolute value of VB-2 xVn drops below 2.0 V, the alarm is cleared automatically.
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Figure 7-38 Conceptual diagram for detecting the voltage at the middle point of a battery string
Parameters
There are no parameters for you to configure.
LCD UI
Figure 7-39 Querying a battery imbalance alarm on the LCD UI
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Web UI
Figure 7-40 Setting a battery imbalance alarm on the Web UI
7.7.2 Battery String Current Imbalance Detection
Principles
If the SMU02B detects that the current difference between battery strings is greater than 30%,
it reports an alarm about battery string current imbalance. This alarm is generated only for the
power system with two or more shunts.
The alarm needs to be cleared manually.
Parameters
No configurable parameters.
7.8 Battery Capacity Calculation
Principles
Calculate the remaining electricity of each battery string and the percentage of the remaining
electricity to the rated capacity based on the rated battery capacity and charge and discharge
parameters, and calculate the backup time based on the load power.
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Parameters
Table 7-23 Parameter description for battery capacity calculation
Parameter
Description
Default Value
Value Range
0.05C10 Discharge
Time(H)
Charge and
discharge battery
parameters.
Configure the
parameters based
on the
specifications for
the selected
storage batteries.
20.00H
0.20-50.00H
10.00H
0.20-50.00H
4.00H
0.20-50.00H
2.42H
0.20-50.00H
0.4C10 Discharge
Time(H)
1.63H
0.20-50.00H
0.5C10 Discharge
Time(H)
1.16H
0.20-50.00H
0.6C10 Discharge
Time(H)
0.87H
0.20-50.00H
0.7C10 Discharge
Time(H)
0.61H
0.20-50.00H
0.8C10 Discharge
Time(H)
0.50H
0.20-50.00H
0.9C10 Discharge
Time(H)
0.42H
0.20-50.00H
1.0C10 Discharge
Time(H)
0.35H
0.20-50.00H
Capacity
Coefficient(%)
95%
60-100%
0.1C10 Discharge
Time(H)
0.2C10 Discharge
Time(H)
0.3C10 Discharge
Time(H)
Table 7-24 Battery status parameter description
Parameter
Description
Capacity(Ah)
Remaining electricity of each battery string
Capacity
Percent(%)
Percentage of the remaining electricity of each battery string to
the rated capacity
Predicted
Discharge Time
Total backup time for the current load power
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LCD UI
Figure 7-41 Setting battery charge and discharge parameters on the LCD UI
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Figure 7-42 Querying remaining battery capacity on the LCD UI
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Figure 7-43 Setting battery charge and discharge parameters on the Web UI
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Figure 7-44 Querying remaining battery capacity on the Web UI
7.9 Intelligent Battery Hibernation
Principles
A storage battery is fully charged in most cases, and the float charging capacity is much
greater than the battery self-discharge capacity. This shortens the battery lifespan because
surplus electricity is consumed in the corrosion of positive grids and drying of electrolyte. To
prolong a battery lifespan, enable the intelligent battery hibernation function when charging
storage batteries in float mode.
If no mains outage occurs during a long time, charging storage batteries with a small voltage
lower than the float voltage also helps to increase a battery lifespan.
The SMU02B determines a power grid type based on the total duration for mains failures
within 15 consecutive days and then enables an appropriate battery charge management mode
to extend a battery lifespan.
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Table 7-25 Intelligent battery hibernation parameters
Total Duration
for
Mains
Failures
Within
15
Consecutive
Days
Power
Grid
Type
Charge
Mode
Current
Limit
Hibernat
ion
Voltage
Hibern
ation
Durati
on
Expect
ed
Increa
se
Range
of the
Batter
y
Lifesp
an
≤ 5 hours
Class 1
power
grids
Mode A
0.10C
52.0 V
13 days
100%
5–30 hours
Class 2
power
grids
Mode B
0.15C
52.0 V
Six
days
50%
30–120 hours
Class 3
power
grids
Mode C
0.15C
N/A
N/A
0%
≥ 120 hours
Class 4
power
grids
Mode C
0.15C
N/A
N/A
0%
After a power system is powered on, storage batteries are managed in mode C by default to
ensure that storage batteries do not overdischarge at the beginning. After the power system
runs for a period of time, the SMU02B selects an appropriate battery management mode
based on the power grid type.
Parameters
Table 7-26 Parameter description for intelligent battery hibernation
Parameter
Description
Default
Value
Value Range
Smart Management
Enabled
Enables or disables the
intelligent battery hibernation
function.
Disable
Enable, Disable
Dormant Voltage(V)
Charge voltage in the battery
hibernation status
52.0V
42.0V-58.0V
Mode A Current
Limit(C10)
Charge current limit in mode A
0.10C10
0.05C10-0.25C10
Mode A Dormant
Time(Day)
Hibernation duration in mode A
13Days
0Days-30Days
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Parameter
Description
Default
Value
Value Range
Mode B Current
Limiting(C10)
Charge current limit in mode B
0.15C10
0.05C10-0.25C10
Mode B Dormant
Time(Day)
Hibernation duration in mode B
6Days
0 Days -15 Days
Mode C Current
Limiting(C10)
Charge current limit in mode C
0.15C10
0.05C10-0.25C10
LCD UI
Figure 7-45 Intelligent battery hibernation on the LCD UI
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Web UI
Figure 7-46 Intelligent battery hibernation on the Web UI
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8
Rectifier Management
8.1 Rectifier Power-on/off Control
Principles
The SMU02B powers on or off each or all rectifiers.
Parameters
Table 8-1 Parameter descriptions for rectifier power-on/off control
Parameter
Description
Default Value
Value Range
On/Off Control (In
Rectifier Summary)
Controls the power-on/off
for all rectifiers
On
On,Off
On/Off Control (In each
rectifier)
Controls the power-on/off
for each rectifier
On
On,Off
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LCD UI
Figure 8-1 Controlling rectifier power-on/off on the LCD UI
Web UI
Figure 8-2 Controlling rectifier power-on/off on the Web UI
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8.2 Rectifier Output Voltage and Current Limits
Principles
To limit the output voltage, set the expected maximum output voltage. To limit the output
current, set the current limit. For example, if the expected output current is 20 A and the rated
rectifier current is 50 A, then set the current limit to 40%. (
This function can be enabled only in manual mode. In automatic mode, the values of the
parameters listed in Table 8-2 are calculated by the SMU02B based on the active power
system status.
Parameters
Table 8-2 Parameter description for rectifier output control
Parameter
Description
Default
Value
Value Range
Current Limit Control
Percentage of the expected
output current to the rated
rectifier current
121 %
1 %–121 %
DC Voltage Control
Rectifier output voltage
53.0V
42.0V–58.3V
LCD UI
Figure 8-3 Setting rectifier output voltage and current limits on the LCD
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Web UI
Figure 8-4 Setting rectifier output voltage and current limits on the Web UI
8.3 Rectifier Overvoltage Protection (Optional)
Principles
A rectifier is protected if the output voltage is greater than the maximum value.

If a rectifier experiences overvoltage due to an internal fault, the rectifier shuts down and
then restarts. If the rectifier experiences three consecutive times of overvoltage due to an
internal fault within 5 minutes, the rectifier latches off.

If the busbar voltage exceeds 63 V due to an external fault, and the overvoltage condition
lasts for more than 500 ms, the rectifier latches off.
The SMU02B generates a rectifier protection alarm.
This function applies only to CAN-type rectifiers.
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Parameters
Table 8-3 Parameter description for rectifier overvoltage protection
Parameter
Description
Default
Value
Value Range
High Voltage Limit
If the rectifier output voltage exceeds
the value, the SMU02B generates a
rectifier protection alarm.
59.5V
58.5V–60.5V
Table 8-4 Parameter description for rectifier reset control
Parameter
Description
Default
Value
Value Range
Reset (In Rectifier
Summary)
Controls the reset for all rectifiers.
Yes
Yes
Reset (In each
rectifier)
Controls the reset for each rectifier.
Yes
Yes
LCD
Figure 8-5 Setting rectifier reset on the LCD UI
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Web UI
Figure 8-6 Setting the output voltage protection threshold for rectifiers on the Web UI
Figure 8-7 Setting rectifier reset on the Web UI
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8.4 Rectifier Walk-in (Optional)
Principles
After rectifier walk-in is enabled, the rectifier output current linearly increases from 0 to the
current limit within specified time.
This function applies only to CAN-type rectifiers.
Parameters
Table 8-5 Parameter description of rectifier walk-in
Parameter
Description
Default
Value
Value Range
Walk-in Enable
Enables or disables rectifier walk-in.
Disable
Enable,Disable
Walk-in Interval
Duration within which the rectifier
output current linearly increases from
0 to the current limit
8s
8s-200s
LCD UI
Figure 8-8 Enabling rectifier walk-in on the LCD UI
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Figure 8-9 Enabling rectifier walk-in on the Web UI
8.5 Sequential Rectifier Startup (Optional)
Principles
Sequential rectifier startup enables rectifiers to be started one by one according to a preset
sequence and by following a preset time interval, minimizing the adverse effect on the
rectifier input end.
This function applies only to CAN-type rectifiers.
Parameters
Table 8-6 The parameter description of sequential rectifier startup
Parameter
Description
Default
Value
Value Range
Sequential
Startup Interval
Time interval between the rectifiers
that are started sequentially
0s
0s-20s
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LCD UI
Figure 8-10 Enabling sequential rectifier startup on the LCD UI
Web UI
Figure 8-11 Enabling sequential rectifier startup on the Web UI
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9
Energy Conservation Management
9.1 Intelligent Rectifier Hibernation
Principles
The rectifier efficiency increases in proportion to the load power. If the total load power is low,
certain rectifiers can be hibernated to improve the load power of running rectifiers and
increase the rectifier efficiency. This facilitates energy conversation.
Rectifiers should be hibernated in turn to ensure the same aging degree. If the difference
between the longest rectifier running duration and the shortest rectifier running duration
exceeds the value of Cycle Period, keep all rectifiers running for 2 hours and then hibernate
certain rectifiers.
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Figure 9-1 R4850G1 efficiency curve
Parameters
Table 9-1 Parameter description for intelligent rectifier hibernation
Parameter
Description
Default Value
Value Range
Rectifier
Redundancy
Enabled(%)
Enables or disables intelligent
rectifier hibernation.
Depends on the
power system
type
Enable, Disable
Best Rectifier
Efficiency(%)
Loading capacity for the
rectifiers running at an optimal
efficiency
80%
50%–100%
Cycle Period
Interval between hibernation
operations
7 Day
1–365 Day
Min Working
Rectifier Number
Minimum number of running
rectifiers under the no-load
condition
2 PCS
1–100 PCS
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LCD UI
Figure 9-2 Setting parameters for intelligent rectifier hibernation on the LCD UI
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Web UI
Figure 9-3 Setting parameters for intelligent rectifier hibernation on the Web UI
9.2 Peak Shifting Power Consumption
Principles
According to the user’s configuration, SMU02B disconnects secondary loads via DO port or
disable battery charge within the time periods of high rates and peak rates to reduce electricity
bills.
User can configure shift peak function only on the Web UI.
NOTE
DO is an external port of a relay and corresponds to ALM (silk-screen) on the user interface module
(UIM).
Parameter
Table 9-2 peak shifting power consumption description
Parameter
Description
Default Value
Value Range
Shift peak Enable
Enable or disable the shift
peak function
Disable
Disable, Enable
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Parameter
Description
Default Value
Value Range
Output 1 Relay
The index of the DO port
connected to the secondary
load 1. In the Figure 9-4 as
example, the Output 1 relay is
set to Relay 1
NA
Relay1-8
Output 2 Relay
The index of the DO port
connected to the secondary
load 2. In the Figure 9-4 as
example, the Output 2 relay is
set to Relay 4
NA
Relay1-8
Output 3 Relay
The index of the DO port
connected to the secondary
load 3. In the Figure 9-4 as
example, the Output 3 relay is
set to Relay 8
NA
Relay1-8
Figure 9-4 Example for the Output 1/2/3/ Relay Setting
ProcedureTo enable and configure peak shifting power consumption, perform the following steps:
Step 1 Set Shift Peak Enable to Enable.
Step 2 Associate output Boolean values with relays.
Step 3 Open or close the output Boolean values at different rate periods and enable or disable battery
charge.
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Figure 9-5 Setting parameters for peak shifting power consumption
Step 4 Configure the daily power consumption mode.
There are six daily power consumption modes numbered A to F. In each mode, you can
configure 24 different rates for the 24 hours in each day.
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Figure 9-6 Setting parameters for daily peak shifting power consumption
Step 5 Configure the monthly power consumption mode.
The power consumption modes vary in each week and vary in each month.
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Figure 9-7 Setting parameters for monthly peak shifting power consumption
----End
9.3 Peak Clipping Power Consumption
Principles
The SMU02B enables battery discharge to ensure that the system power does not exceed the
maximum peak power preset based on the power supply contract, avoiding unnecessary
electricity bills.
You can configure peak clipping power consumption only on the Web UI.
ProcedureTo enable and configure peak clipping power consumption, perform the following steps:
Step 1 Set Clip Peak Enable to Enable.
Step 2 Set Backup Voltage Protection Enable and Backup Protection Voltage based on site
requirements.
Step 3 Set parameters under Control For Exceeding Max Power based on site requirements on the
page shown in Figure 9-8.
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Figure 9-8 Setting parameters for peak clipping power consumption
Step 4 Configure the daily power consumption mode.
There are six daily power consumption modes numbered A to F. In each mode, you can
configure 24 different peaks for the 24 hours in each day.
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Figure 9-9 Setting parameters for daily peak clipping power consumption
Step 5 Configure the monthly power consumption mode.
The power consumption modes vary in each week and vary in each month.
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Figure 9-10 Setting parameters for monthly peak clipping power consumption
----End
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10 Temperature Control Management
10
Temperature Control Management
SMU02B manages the temperature control unit of the power system.

Monitoring the type, control mode and status of the temperature control unit.

Setting the controlling mode and parameters of the temperature control unit.

Setting the alarm threshold of the temperature control unit.

Setting the relation between the temperature control unit and DI or DO port.
SMU02B support two types temperature control unit:

Direct-cooling unit.

Air conditioner & direct-cooling unit.
10.1 Direct-cooling Unit
The direct-cooling unit consists of an air-exhaust device, an air-intake device, an air filter, and
a fan assembly. The direct-cooling unit extends the area for exchanging air inside and outside
the cabinet, speeds up air circulation, and reduces the operating temperature in the cabinet.
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10.1.1 Monitoring Information
LCD UI
Figure 10-1 Monitoring Information on LCD UI
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Web UI
Figure 10-2 Monitoring Information on Web UI
10.1.2 Setting the Control Mode and Parameters
Parameters
Table 10-1 Control Mode
Parameter
Description
Default Value
Value Range
Fan Control
Mode

In the Auto mode,
SMU02B adjusts the fan
speed automaticly depends
on the temperature.
Auto
Auto, Manual

In the Manual mode, users
can adjust the ratio of the
fan speed.
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Parameter
Description
Default Value
Value Range
Heater
Control Mode

This parameter displays
only if the power system is
configured with heater.
Auto
Auto, Manual

In the Auto mode,
SMU02B power on or
power off the heater
automaticly depends on the
temperature.

In the Manual mode, users
can power on or power off
the heater.
Table 10-2 Parameters in Manual Mode
Parameter
Description
Default Value
Value Range
Speed Ratio 1
Display and valid
when the Fan
Control Mode is in
Manual mode
50%
0-100%
Speed Ratio 2
Display and valid
when the Fan
Control Mode is in
Manual mode
50%
0-100%
Heater Control Now
Display and valid
when the Heater
Control Mode is in
Manual mode
Off
On, Off
Table 10-3 Parameters in Auto Mode
Parameter
Description
Default Value
Value Range
Heater Start
Temperature
Display and valid
when the Heater
Control Mode is in
Auto mode
0degC
-50degC to
100degC
Heater Stop
Temperature
Display and valid
when the Heater
Control Mode is in
Auto mode
5degC
-50degC to
100degC
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LCD UI
Figure 10-3 Setting the Control Mode and Parameters on LCD UI
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Web UI
Figure 10-4 Setting the Control Mode and Parameters on Web UI
10.1.3 Setting the Alarm Threshold
Parameters
Table 10-4 Alarm Threshold
Parameter
Description
Default Value
Value Range
HT Alarm Threshold
The SMU02B
generates an alarm if
the temperature is
higher than the value
of this parameter.
68.0 degC
-50degC to
100degC
HT Alarm Clear
Threshold
The HT Control
temperature Alarm
resumes if the
temperature is lower
than the value of this
parameter.
63.0 degC
-50degC to
100degC
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LCD UI
Figure 10-5 Setting the Alarm Threshold on LCD UI
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Web UI
Figure 10-6 Setting the Alarm Threshold on Web UI
10.1.4 Setting the Correlative Port
Parameters
Table 10-5 Alarm Threshold
Parameter
Description
Default Value
Value Range
Heater Control DO
Index
SMU02B controls the
heater via the DO
port
(Depends on the
power system
type)
0-12
Heater Alarm DI
Index
SMU02B detects the
alarm of heater via
the DI port
(Depends on the
power system
type)
0-7
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LCD UI
Figure 10-7 Setting the Correlative Port on LCD UI
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Web UI
Figure 10-8 Setting the Correlative Port on Web UI
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10.2 Air Conditioner & Direct-cooling Unit
10.2.1 Monitoring Information
LCD UI
Figure 10-9 Monitoring Information on LCD UI
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Web UI
Figure 10-10 Monitoring Information on Web UI
10.2.2 Setting the Control Mode and Parameters
Parameters
Table 10-6 Control Mode
Parameter
Description
Default
Value
Value Range
Fan Control
Mode

In the Auto mode, SMU02B
adjusts the fan speed automaticly
depends on the temperature.
Auto
Auto, Manual

In the Manual mode, users can
adjust the ratio of the fan speed.
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Parameter
Description
Default
Value
Value Range
Air
Conditioner
Control Mode

In the Auto mode, SMU02B power
on or power off the air conditioner
automaticly depends on the
temperature.
Auto
Auto, Manual

In the Manual mode, users can
power on or power off the air
conditioner.

In the Smart Mode, SMU02B
adjusts the fan speed and power on
or power off the air conditioner
automaticly depends on the
temperature.
Smart
Mode
Smart Mode,
Fan Only, Air
Conditioner
Only

In the Fan Only mode, SMU02B
adjusts the fan speed automaticly
depends on the temperature. The air
conditioner is off and can be
powered on automaticly when the
fan is fault.

In the Air Conditioner Only
mode, SMU02B power on or power
off the air conditioner automaticly
depends on the temperature. The
fan is off and can be powered on
automaticly when the air
conditioner is fault.
System Mode
Table 10-7 Parameters in Manual Mode
Parameter
Description
Default Value
Value Range
Speed Ratio 1
Display and valid
when the Fan
Control Mode is in
Manual mode
50%
0-100%
Air Conditioner
Control Now
Valid when the Air
Conditioner Control
Mode is in Manual
mode
Off
On, Off
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LCD UI
Figure 10-11 Setting the Control Mode and Parameters on LCD UI
Web UI
Figure 10-12 Setting the Control Mode and Parameters on Web UI
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10.2.3 Setting the Alarm Threshold
Parameters
Table 10-8 Alarm Threshold Parameters
Parameter
Description
Default Value
Value Range
HT Alarm
Threshold
The SMU02B generates an
alarm if the temperature is
higher than the value of
this parameter.
68.0 degC
-50degC to
100degC
HT Alarm
Clear
Threshold
The HT Control
temperature Alarm
resumes if the temperature
is lower than the value of
this parameter.
63.0 degC
-50degC to
100degC
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LCD UI
Figure 10-13 Setting the Alarm Threshold on LCD UI
Web UI
Figure 10-14 Setting the Alarm Threshold on Web UI
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10.2.4 Setting the Correlative Port
Parameters
Table 10-9 Parameters of the Correlative Port
Parameter
Description
Default
Value
Value Range
Air-Condition Control
DO Index
SMU02B controls the
air conditioner via the
DO port
(Depends on
the power
system type)
0-12
Air-Condition Alarm
DI Index
SMU02B detects the
alarm of air
conditioner via the DI
port
(Depends on
the power
system type)
0-7
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LCD UI
Figure 10-15 Setting the Correlative Port on LCD UI
Web UI
Figure 10-16 Setting the Correlative Port on Web UI
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11 D.G. Management
11
D.G. Management
11.1 Basic Parameters about D.G.
11.1.1 Enable Diesel Generator(D.G.) Function
Parameters
Table 11-1 Parameters of diesel function
Parameter
Description
Default
Value
Value Range
Diesel
Function

Non: Disables D.G. management
Non

Current Limit: First ensure the power
supply to loads by decreasing the battery
charge current, which ensures the
reliable D.G. running.
Non, Smart Ctrl,
Current Limit

Smart Ctrl: Switches the power source
between storage batteries and the diesel.
If a mains outage occurs, use storage
batteries to supply power and do not start
the diesel. After the storage batteries
discharge to a specified depth, start the
diesel. If the mains restores, resume
battery charge. Reduce the diesel
operating duration by using storage
batteries to supply power, which helps
save fuel and extend the diesel service
life.

If you select Smart Ctrl, you are
advised to use deep cycle batteries
(DCBs) because frequent charge and
discharge switches will occur in this
mode.
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LCD UI
Figure 11-1 Setting diesel function on the LCD UI
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Web UI
Figure 11-2 Setting diesel function on the Web UI
11.1.2 Setting Diesel Capacity
This parameter must be configured if you enable the diesel function.
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Parameters
Table 11-2 Parameters of diesel capacity
Parameter
Description
Default
Value
Value
Range
Diesel
Capacity(KVA)

Output power of the diesel
generator.
12.5
1.0-100.0
KVA

This parameter displays
when Diesel Function is in
Current Limit mode or
Smart Ctrl mode.
LCD UI
Figure 11-3 Setting diesel capacity parameters on the LCD UI
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Web UI
Figure 11-4 Setting diesel capacity parameters on the Web UI
11.1.3 Setting Air Conditioner WorkPower
This parameter must be configured if you enable the diesel function when there is an air
conditioner in the power system.
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Parameters
Table 11-3 Parameters of air conditioner workpower
Parameter
Description
Default
Value
Value Range
Air Conditioner
WorkPower(KW)

The input power of air
conditioner.
1.0KW
0.0KW-5.0KW

This parameter displays
when Diesel Function is in
Current Limit mode or
Smart Ctrl mode.
LCD UI
Figure 11-5 Setting air conditioner workpower parameters on the LCD UI
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Web UI
Figure 11-6 Setting air conditioner output power parameters on the Web UI
11.2 Setting the Parameters in Smart Ctrl Mode
Parameters
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Table 11-4 Parameters of diesel battery and charge time
Parameter
Diesel start
battery
capacity (%)
Diesel stop
battery
capacity (%)
Max
Diesel
Description
Default
Value
Value Range

When the battery capacity is
less then the value, the D.G.
starts.
30%
20%-90%

This parameter displays
when Diesel Function is in
Current Limit mode or
Smart Ctrl mode.

When the battery capacity
exceeds thet value, the D.G.
stops.
90%
10%-100%

This parameter displays
when Diesel Function is in
Current Limit mode or
Smart Ctrl mode.

The
maximum
D.G.
operating duration. If the
duration ends, the D.G.
stops, and storage batteries
start to supply power.
12H
6 H -100 H

This parameter displays
when Diesel Function is in
Current Limit mode or
Smart Ctrl mode.

The
minimum
operating duration.
0H
0H-5H

This parameter displays
when Diesel Function is in
Current Limit mode or
Smart Ctrl mode.
Charge
Time(H)
Min
Diesel
Charge
Time(H)
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LCD UI
Figure 11-7 Setting diesel battery and charge time parameters on the LCD UI
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Web UI
Figure 11-8 Setting diesel battery and charge time parameters on the Web UI
11.3 Setting the Correlative Port
Parameters
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Table 11-5 Parameters of D.G. control DO index
Parameter
Description
Default
Value
Value
Range
D.G. Working
Condition

Determines the startup or shutdown of
a D.G. It is set based on the D.G. type.
Open
Open,Close

This parameter displays when Diesel
Function is in Current Limit mode or
Smart Ctrl mode.

Index of the DO port used for
controling the D.G. startup or
shutdown.
0-12

This parameter displays when Diesel
Function is in Current Limit mode or
Smart Ctrl mode.
(Depends on
the power
system
type )
D.G. Control
DO Index
LCD UI
Figure 11-9 Setting D.G. control DO index parameters on the LCD UI
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Web UI
Figure 11-10 Setting D.G. control DO index parameters on the Web UI
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12 Monitoring Information
12
Monitoring Information
12.1 Monitoring
12.1.1 System Information
Principles
The SMU02B monitors the AC voltage and current, DC voltage and current, ambient
temperature and humidity, and battery temperature for the power system in real time. You can
view such information on the LCD and Web UI.
Parameters
Table 12-1 System information description
Parameter
Description
AC Voltage (Single phase)
Mains AC voltage detected by rectifiers.
AC Total Current
Single phase)
(for
Mains AC current detected by rectifiers.
Phase A/B/C
(Three phase)
Voltage
Mains AC voltage detected by rectifiers.
Phase
A/B/C
(Three phase)
Current
Mains AC current detected by rectifiers.
AC Frequency
Mains AC frequency detected by rectifiers.
DC Output Voltage
Busbar voltage detected in real time.
Total Load
The load current equals the total rectifier output current
minus the total battery current.
Total Current
Sum of the currents on all battery loops.
Current
of
the
nth
Battery(In VRLA Battery)
Current of the nth battery route.
Ambient Temperature
Ambient temperature around the cabinet.
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Parameter
Description
Ambient Humidity
Ambient humidity around the cabinet.
Battery Temperature
Temperature of the battery string.
LCD
Figure 12-1 Viewing system information on the LCD
Web UI
Step 1 Log in to the Web UI and then enter the System Status page.
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Figure 12-2 System Status page
Step 2 Click Site Summary and view the values of System Voltage, Total Load, System Efficiency,
Peak Power, Peak Power Time and other parameters.
Figure 12-3 Site Summary on the System Status page
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Step 3 Click Rectifier Summary and view the values of AC Voltage (Singel Phase), AC Current
(Singel Phase) or Phase A/B/C Voltage (Three Phase), and Phase A/B/C Current (Three Phase)
and other parameters.
Figure 12-4 Rectifier Summary on the System Status page
Step 4 Click Rectifier and view the information about each rectifier, such as the DC Output Voltage,
DC Output Current, and so on.
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Figure 12-5 Rectifier on the System Status page
Step 5 Click Battery Summary and view the values of Total Current, Predicted Discharge Time, Batt
Charge Status, Battery Test Status and Battery Temperature 1.
Figure 12-6 Battery Summary on the System Status page
Step 6 Click VRLA Battery and view the values of Current (A), Capacity(Ah), Capacity Percent(%)
of the nth Battery.
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Figure 12-7 VRLA Battery on the System Status page
12.1.2 Rectifier Information
Principles
The SMU02B monitors the rectifier operating information in real time and displays the
information on the LCD and Web UI.
Parameters
Table 12-2 Rectifier information description
Parameter
Description
Total
Current
Sum of the output currents of all rectifiers.
Output
Used Capacity
(Only
for
CAN-type
rectifier)
Percentage of the total output current to the total rated output current.
DC Total Power
Total rectifier output power.
DC
Voltage
Output
The output voltage of each rectifier.
DC
Current
Output
The output current of each rectifier.
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Parameter
Description
Current
Limit
Point (Only for
CAN-type
rectifier)
The current limit of each rectifier.
AC
Voltage
Input
The AC input voltage of each rectifier.
AC
Current
Input
The AC input current of each rectifier.
Output
The DC output power of each rectifier.
DC
Power
Real Efficiency
The real-time efficiency of each rectifier.
Total Running
Time (Only for
CAN-type
rectifier)
The operating duration of each rectifier.
DC On/Off State
The power-on or power-off status of each rectifier.
Current
Limit
State (Only for
CAN-type
rectifier)
The current limiting status of each rectifier.
Software Version
The software version number of each rectifier.
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LCD
Figure 12-8 Viewing rectifier information on the LCD
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Web UI
Figure 12-9 Viewing rectifier operating information on the Web UI
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13 Alarm
13
Alarm
13.1 Alarm Configuration
You can enable or disable alarm generation, set the alarm severity, the association with relays,
and delay duration.
LCD
Figure 13-1 Setting alarm parameters on the LCD
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Web UI
Figure 13-2 Setting alarm parameters on the Web UI
13.2 Querying Active Alarms
The parameter values in Figure 13-3 are for reference only.
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Figure 13-3 Querying active alarms
13.3 Historical Alarms
At most 1000 cleared alarms are stored in Historical Alarms. You can view, export, and clean
them. If the number of alarms exceeds 1000, the later ones overwrite the former ones.
13.3.1 View Historical Alarms
User can view historical alaram by LCD UI and Web UI.
LCD UI
Figure 13-4 Viewing historical alarms on the LCD UI
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Web UI
Figure 13-5 Viewing historical alarms on the Web UI
13.3.2 Export Historical Alarms
User can export historical alarms in HTML format by Web UI.
Click Export to export the historical alarms.
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Figure 13-6 Viewing all historical alarms on the Web UI
Figure 13-7 Exporting all historical alarms on the Web UI
13.3.3 Clean Historical Alarms
User can clean all historical alarms by LCD UI and Web UI.
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LCD UI
Figure 13-8 Cleaning all historical alarms on the LCD UI
Web UI
Figure 13-9 Cleaning all historical alarms on the Web UI
13.4 Alarms
NOTE
The default value of Alarm properties is defferent based on different power system type. The user can
configure it.by refering to 13.1 Alarm Configuration.
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DO ports are the external ports of the relay and correspond to the ALM series silk screens on
the user interface board. For details, see the Power System User Manual.
13.4.1 Internal Fault
Alarm Properties
Alarm
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
Internal
Fault
Supervision
Unit Internal
Fault
Enable
Major
NA
10s
Alarm Description
If internal input voltage exceeds the specified range, the SMU02B generates an alarm for an
internal fault, indicating that a fault occurs in the internal circuits or external sensor circuits.
13.4.2 Mains Failure
Alarm Properties
Alarm
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
Mains Failure
Mains Failure
Enable
Major
NA
0s
Alarm Description
The SMU02B generates an alarm if the mains voltage is below 50 V.
13.4.3 AC Phase Failure
Alarm Properties
Alarm
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
Phase A Failure
Phase A Failure
Enable
Critical
NA
13s
Phase B Failure
Phase B Failure
Enable
Critical
NA
13s
Phase C Failure
Phase C Failure
Enable
Critical
NA
13s
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Alarm Description
The SMU02B generates an alarm if the phase voltage is below 50 V.
13.4.4 AC Overvoltage (for a Single-Phase Power System)
Alarm Properties
Alarm
LCD
AC
Volt
Over
Alarm Properties
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
AC Over Voltage
(Single phase)
Enable
Minor
NA
20s
Alarm Description
The SMU02B generates an alarm if the AC voltage exceeds the AC overvoltage alarm
threshold (280 V by default). For a 220 V power system, the default AC overvoltage alarm
threshold is 280 V. For a 110 V power system, the default AC overvoltage alarm threshold is
set on the host and the recommended value is 135 V.
The alarm is cleared if the mains voltage is lower than the overvoltage alarm threshold minus
10 V for 20 seconds.
The overvoltage alarm threshold can be set on the host. The mains overvoltage alarm is
masked in the case of mains absence.
Parameters
Parameter
AC
Voltage
(V)
Over
Point
Description
Default
Value
Value Range
AC voltage exceeds the value of
AC Over Voltage, generate an
alarm.
280V
100V–300V
The setting value of AC Over
Voltage Point must be higher
than AC Under Voltage.
13.4.5 AC Undervoltage (for a Single-Phase Power System)
Alarm Properties
Alarm
LCD
Web UI
AC Under
Volt
AC Under Voltage
(Single phase)
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Alarm Properties
Alarm
Enabled
Enable
Alarm
Severity
Minor
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NA
Delay
26s
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Alarm Description
The SMU02B generates an alarm if the AC voltage is below the AC undervoltage alarm
threshold (180 V by default). For a 220 V power system, the default AC undervoltage alarm
threshold is 180 V. For a 110 V power system, the default AC undervoltage alarm threshold is
set on the host and the recommended value is 90 V.
The alarm is cleared if the mains voltage is higher than the undervoltage alarm threshold plus
10 V for 20 seconds.
The undervoltage alarm threshold can be set on the host. The mains undervoltage alarm is
masked in the case of mains absence.
Parameters
Parameter
Description
Default
Value
Value Range
AC
Voltage
(V)
AC voltage is below the value
of AC Under Voltage，generate
an alarm.
180V
60V–300V
Under
Point
The setting value of AC Under
Voltage must be lower than the
AC Over Voltage.
13.4.6 Phase Overvoltage (for a Three-Phase Power System)
Alarm Properties
Alarm
LCD
Alarm Properties
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
Ph-A
Volt
Over
Phase A Over
Voltage (Three
Phase)
Enable
Minor
NA
25s
Ph-B
Volt
Over
Phase B Over
Voltage (Three
Phase)
Enable
Minor
NA
25s
Ph-C
Volt
Over
Phase C Over
Voltage (Three
Phase)
Enable
Minor
NA
25s
Alarm Description
The SMU02B generates an alarm if the phase voltage exceeds the AC overvoltage alarm
threshold (280 V by default). For a 220 V power system, the default phase overvoltage alarm
threshold is 280 V. For a 110 V power system, the default phase overvoltage alarm threshold
is set on the host and the recommended value is 135 V.
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The alarm is cleared if the mains voltage is lower than the overvoltage alarm threshold minus
10 V for 20 seconds.
The overvoltage alarm threshold can be set on the host. The mains overvoltage alarm is
masked in the case of mains absence.
Parameters
Parameter
AC
Voltage
(V)
Over
Point
Description
Default
Value
Value Range
Phase A/B/C voltage exceeds
the value of AC Over Voltage,
generate an alarm.
280V
100V–300V
This setting value of AC Over
Voltage must be higher than the
AC Under Voltage Point.
13.4.7 Phase Undervoltage (for a Three-Phase Power System)
Alarm Properties
Alarm
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
Ph-A/B/C Under
Volt
Phase A/B/C Under
Voltage
(Three
Phase)
Enable
Minor
NA
26s
Alarm Description
The SMU02B generates an alarm if the phase voltage is below the AC undervoltage alarm
threshold (180 V by default). For a 220 V power system, the default phase undervoltage alarm
threshold is 180 V. For a 110 V power system, the default phase undervoltage alarm threshold
is set on the host and the recommended value is 90 V.
The alarm is cleared if the mains voltage is higher than the undervoltage alarm threshold plus
10 V for 20 seconds.
The undervoltage alarm threshold can be set on the host. The mains undervoltage alarm is
masked in the case of mains absence.
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Parameters
Parameter
Description
Default
Value
Value Range
AC
Voltage
(V)
Phase A/B/C voltage is below
the value of AC Under Voltage,
generate an alarm.
180V
60V–300V
Under
Point
The setting value of AC Under
Voltage must be lower then the
AC Over Voltage.
13.4.8 AC SPD Fault
Alarm Properties
Alarm
LCD
AC
Alarm
Alarm Properties
Web UI
SPD
AC
Alarm
SPD
Alarm
Enabled
Alarm
Severity
Relay
Delay
Enable
Major
NA
10s
Alarm Description
The SMU02B generates an alarm if the AC SPD is faulty.
13.4.9 DC Overvoltage
Alarm Properties
Alarm
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
DC Over Volt
DC
Over
Voltage
Enable
Critical
NA
10s
Alarm Description
You can set the DC overvoltage alarm threshold to any value in the range of 53 V to 60 V. The
hysteresis is 0.2 V.
The default DC overvoltage alarm threshold is 58 V. The SMU02B generates an alarm if the
busbar voltage exceeds 58 V. The alarm is cleared if the busbar voltage is lower than or equal
to 57.85 V.
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Parameters
Parameter
Description
Default
Value
Value Range
DC
Over
Voltage (V)
Busbar voltage exceeds the
value of DC Over Voltage,
generate an alarm.
58V
53.0V–60.0V
The setting value of DC Over
Voltage must be higher than the
DC Under Voltage.
13.4.10 DC Undervoltage
Alarm Properties
Alarm
LCD
DC
Volt
Under
Alarm Properties
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
DC
Under
Voltage
Enable
Critical
NA
10s
Alarm Description
You can set the DC undervoltage alarm threshold to any value in the range of 35 V to 47.8 V.
The hysteresis is 0.2 V.
The default DC undervoltage alarm threshold is 45 V. The SMU02B generates an alarm if the
busbar voltage is below 45 V. The alarm is cleared if the busbar voltage is higher than or equal
to 45.2 V.
The SMU02B generates the alarm if the storage batteries are not being tested.
Parameters
Parameter
Description
Default
Value
Value Range
DC
Under
Voltage (V)
Busbar voltage is below the
value of DC Under Voltage,
generate an alarm.
45V
35.0V–47.8V
The setting value of DC Under
Voltage must be lower than
Lower than DC Over Voltage
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13.4.11 DC Ultra Overvoltage
Alarm Properties
Alarm
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
DC Ultra Over
V
DC Ultra Over
Voltage
Enable
Critical
NA
5s
Alarm Description
You can set the DC ultra overvoltage alarm threshold to any value in the range of 53 V to 60 V.
The hysteresis is 0.2 V.
The default DC ultra overvoltage alarm threshold is 60 V. The SMU02B generates an alarm if
the busbar voltage exceeds 60V. The alarm is cleared if the busbar voltage is lower than or
equal to 59.8 V.
Parameters
Parameter
DC Ultra
Voltage (V)
Over
Description
Default
Value
Value Range
Busbar voltage exceeds the
value of DC Ultra Over
Voltage, generate an alarm.
60V
53.0V–60.0V
The setting value of DC
Ultra Over Voltage must be
higher than the DC Over
Voltage.
13.4.12 DC Ultra Undervoltage
Alarm
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
DC
Ultra
UnderV
DC
Ultra
Under Voltage
Enable
Critical
NA
5s
Alarm Description
You can set the DC ultra undervoltage alarm threshold to any value in the range of 35 V to
47.8 V. The hysteresis is 0.2 V.
The default DC ultra undervoltage alarm threshold is 43 V. The SMU02B generates an alarm
if the busbar voltage is below 43 V. The alarm is cleared if the busbar voltage is higher than or
equal to 43.2 V.
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The SMU02B generates the alarm if the storage batteries are not being tested.
Parameters
Parameter
Description
Default
Value
Value Range
DC Ultra Under
Voltage (V)
Busbar voltage is below the
value of DC Ultra Under
Voltage, generate an alarm.
43V
35.0V–47.8V
The setting value of DC Ultra
Under Voltage must be lower
than the DC Under Voltage.
13.4.13 Load Fuse Break
Alarm Properties
Alarm
LCD
Load
Break
Alarm Properties
Web UI
Fuse
Load
Break
Fuse
Alarm
Enabled
Alarm
Severity
Relay
Delay
Enable
Major
NA
10s
Alarm Description
The SMU02B generates an alarm for multiple load fuses.
The SMU02B generates an alarm if the load fuse breaks down or circuit breaker is OFF.
13.4.14 DC SPD Alarm
Alarm Properties
Alarm
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
DC SPD Alarm
DC SPD Alarm
Enable
Major
NA
10s
Alarm Description
The SMU02B generates an alarm if the DC SPD is faulty.
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13.4.15 Wire Frame Alarm
Alarm Properties
Alarm
LCD
Web UI
Wire Alarm
Wire
Alarm
Alarm Properties
Frame
Alarm
Enabled
Alarm
Severity
Relay
Delay
Enable
Critical
NA
0s
Alarm Description
The SMU02B generates an alarm if the distribution frame voltage is higher than the
distribution frame alarm threshold (10 V). The hysteresis is 2 V.
13.4.16 LLVD1 Disconnecting
Alarm Properties
Alarm
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
LLVD1 Dis-ing
LLVD1
Disconnecting
Enable
Warning
NA
0s
Alarm Description
Thirty seconds before LLVD1, the SMU02B warns you that LLDV1 is about to disconnect.
13.4.17 LLVD1 Disconnected
Alarm Properties
Alarm
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
LLVD1
Discon.
LLVD1
Disconnected
Enable
Major
NA
0s
Alarm Description
Please refer to 7.6 Low Voltage Disconnection Protection.
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13.4.18 LLVD2 Disconnecting
This alarm parameter displays, only if three-level disconnection (LLVD1, LLVD2, and BLVD)
is configured in power system.
Alarm Properties
Alarm
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
LLVD2 Dis-ing
LLVD2
Disconnecting
Enable
Minor
NA
0s
Alarm Description
Thirty seconds before LLVD, the SMU02B warns you that LLVD2 is about to disconnect.
13.4.19 LLVD2 Disconnected
This alarm parameter displays, only if three-level disconnection (LLVD1, LLVD2, and BLVD)
is configured in power system.
Alarm Properties
Alarm
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
LLVD2
Discon.
LLVD2
Disconnected
Disable
Major
NA
0s
Alarm Description
Please refer to 7.6 Low Voltage Disconnection Protection.
13.4.20 Charge Overcurrent
Alarm Properties
Alarm
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
Over Current
Over Current
Enable
Major
NA
60s
Alarm Description
The SMU02B generates an alarm if the charge current is higher than the rated battery capacity
multiplied by the overcurrent threshold for 30 seconds.
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The alarm is cleared if the charge current is lower than the rated battery capacity multiplied by
the overcurrent threshold.
Parameters
Parameter
Description
Default
Value
Value Range
Rated Capacity
(Ah)
The rated capacity of
VRLA battery
150Ah
10Ah–10000Ah
Over Current
(C10)
The setting value of
Over Current must be
higher than Current
Limit.
0.25 C10
0.05–0.50 C10
Current
(C10)
The setting value of
Current Limit must be
lower
than
Over
Current.
0.15 C10
0.05–0.25 C10
Limit
13.4.21 Battery Imbalance
Alarm Properties
Alarm
Alarm Properties
Alarm
Enabled
Alarm
Severity
Relay
Delay
1
Enable
Major
NA
0s
Battery
Imbalance
2
Enable
Major
NA
0s
Batt 3 Imb
Battery
Imbalance
3
Enable
Major
NA
0s
Batt 4 Imb
Battery
Imbalance
4
Enable
Major
NA
0s
Batt 5 Imb
Battery
Imbalance
5
Enable
Major
NA
0s
Batt 6 Imb
Battery
Imbalance
6
Enable
Major
NA
0s
LCD
Web UI
Batt 1 Imb
Battery
Imbalance
Batt 2 Imb
Alarm Description
Assume that the voltage at the middle point of the battery string is V1 and the busbar voltage
is VB during battery discharge. If |VB – 2 x V1| ≥ 2.0 V for 30 seconds, the SMU02B
generates a battery imbalance alarm. The alarm is cleared if the condition does not meet.
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
You only need to test battery balance during battery discharge. Battery imbalance does
not affect battery tests.

The SMU02B fails to generate an alarm if the cables SIM 1 and SIM 2 do not connect to
the test points on the storage batteries.
13.4.22 Battery Lost
Alarm Properties
Alarm
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
Battery 1 Lost
Battery 1 Lost
Enable
Critical
NA
30s
Battery 2 Lost
Battery 2 Lost
Enable
Critical
NA
30s
Battery 3 Lost
Battery 3 Lost
Enable
Critical
NA
30s
Battery 4 Lost
Battery 4 Lost
Enable
Critical
NA
30s
Battery 5 Lost
Battery 5 Lost
Enable
Critical
NA
30s
Battery 6 Lost
Battery 6 Lost
Enable
Critical
NA
30s
Alarm Description
When the normal voltage at the middle point of the battery string keeps above 15V, the
SMU02B generates an alarm if the voltage at the middle point of the battery string become
below 10 V.
13.4.23 Battery Fuse Break
Alarm Properties
Alarm
LCD
Alarm Properties
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
Bat Fuse
Break
1
Battery Fuse 1
Break
Enable
Critical
NA
10s
Bat Fuse
Break
2
Battery Fuse 2
Break
Enable
Critical
NA
10s
Bat Fuse
Break
3
Battery Fuse 3
Break
Enable
Critical
NA
10s
Bat Fuse
Break
4
Battery Fuse 4
Break
Enable
Critical
NA
10s
Bat Fuse
Break
5
Battery Fuse 5
Break
Enable
Critical
NA
10s
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Alarm
Bat Fuse
Break
6
Alarm Properties
Battery Fuse 6
Break
Enable
Critical
NA
10s
Alarm Description
The SMU02B generates an alarm if the battery fuse breaks down.
13.4.24 High Battery Temperature
Alarm Properties
Alarm
LCD
Batt
Temp
High
Alarm Properties
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
Battery High
Temperature
Enable
Minor
NA
300s
Alarm Description
The SMU02B generates an alarm if the battery temperature is higher than the value of Battery
High Temp (45°C by default). The hysteresis is 5°C.
Parameters
Parameter
Description
Default
Value
Value Range
Battery
High
Temp (°C)
The battery temperature is
higher than the value of Battery
High Temp, generare an alarm.
45°C
25°C–80°C
The setting value of Battery
High Temp must be lower than
Battery Very High Temp.
13.4.25 Low Battery Temperature
Alarm Properties
Alarm
LCD
Batt
Temp
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Low
Alarm Properties
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
Battery Low
Temperature
Enable
Minor
NA
20s
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Alarm Description
The SMU02B generates an alarm if the battery temperature is lower than the value of Battery
Low Temp (–5°C by default). The hysteresis is 3°C.
Parameters
Parameter
Description
Default
Value
Value Range
Battery
Low
Temp (°C)
Battery temperature is below the
value of Battery Low Temp,
generate an alarm.
-5°C
–20°C to 20°C
The setting value of Battery
Low Temp must be higher than
Battery Very Low Temperature
13.4.26 Battery Very High Temperature
Alarm Properties
Alarm
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
Bat
Very
HiTemp
Battery Very
High
Temperature
Enable
Major
NA
200s
Alarm Description
The SMU02B generates an alarm if the battery temperature is higher than the battery very
high temperature (53°C by default). The hysteresis is 5°C.
Parameters
Parameter
Description
Default
Value
Value Range
Battery Very High
Temp (°C)
The battery temperature is
higher than the value of the
battery
very
high
temperature, generate an
alarm.
53°C
25°C–80°C
The setting value of Battery
Very High Temp must be
higher than Battery High
Temperature.
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13.4.27 Battery Very Low Temperature
Alarm Properties
Alarm
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
Batt V-Low
Temp
Battery Very
Low
Temperature
Enable
Major
NA
10s
Alarm Description
The SMU02B generates an alarm if the battery temperature is lower than the battery very low
temperature (–10°C by default). The hysteresis is 3°C.
Parameters
Parameter
Description
Default
Value
Value Range
Battery Very Low
The battery temperature is
lower than the battery very
low temperature, generate an
alarm.
–10°C
–20°C to 20°C
Temp (°C)
The setting value of Battery
Very Low Temp must be
lower than the Battery Low
Temperature.
13.4.28 Battery Temperature Sensor1 Fault
Alarm Properties
Alarm
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
T-Sensor1
Fault
Batt
Temp
Sensor1 Fault
Enable
Minor
NA
5s
Alarm Description
The SMU02B generates an alarm if the battery temperature sensor is faulty. For a 4–20 mA
current-type sensor, the SMU02B determines that the sensor is faulty if the sensor output
current is greater than 30 mA.
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13.4.29 Battery Temperature Sensor1 Missing
Alarm Properties
Alarm
LCD
Miss
Temp1
Batt
Alarm Properties
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
Missing Batt
Temp Sensor1
Enable
Warning
NA
6s
Alarm Description
The SMU02B generates an alarm if the battery temperature sensor is disconnected. For a 4–20
mA current-type sensor, the SMU02B determines that the sensor is disconnected if the sensor
output current is less than 0.5 mA.
13.4.30 BLVD Disconnecting
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
BLVD Dis-ing
BLVD
Disconnecting
Enable
Minor
NA
0s
Alarm Description
Thirty seconds before BLVD, the SMU02B warns you that the battery route is about to
disconnect.
13.4.31 BLVD Disconnected
Alarm Properties
Alarm
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
BLVD Discon
BLVD
Disconnected
Enable
Major
NA
0s
Alarm Description
Please refer to 7.6 Low Voltage Disconnection Protection.
13.4.32 Current Imbalance
This alarm is valid only if two or more shunts are configured in the power system.
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Alarm Properties
Alarm
LCD
Batt
Imb
Alarm Properties
Web UI
Cur
Batt
Imbalance
Current
Alarm
Enabled
Alarm
Severity
Relay
Delay
Enable
Warning
NA
0s
Alarm Description
The SMU02B generates an alarm if the difference between battery string currents is greater
than the maximum current difference (0.05C 10A by default) in a short test. The SMU02B
determines current imbalance immediately only when the short test ends due to time arrival.
This alarm is cleared only after battery alarms are cleared.
13.4.33 Boost Charging
Alarm Properties
Alarm
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
BC Status
Boost Charge
Status
Enable
Warning
NA
0s
Alarm Description
The SMU02B generates an alarm when storage batteries are being charged in boost mode.
13.4.34 Battery Temperature Compensation Activation
Alarm Properties
Alarm
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
TempComp
Active
Temp
Compensation
Active
Disable
Warning
NA
0s
Alarm Description
The SMU02B adjusts the charge voltage based on the battery temperature and warns you that
battery temperature compensation is activated if the storage batteries are being charged in
float mode or hibernated, the battery temperature sensor is connected, and the temperature
compensation coefficient is not zero.
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13.4.35 Battery Discharge
Alarm Properties
Alarm
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
Batt Discharge
Battery
Discharge
Enable
Warning
NA
30s
Alarm Description
The SMU02B generates an alarm if storage batteries are discharging, that is, the battery
current is less than –1 A and the battery voltage is lower than 53 V.
13.4.36 Abnormal Battery Current
Alarm Properties
Alarm
LCD
Abnor
Current
Batt
Alarm Properties
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
Abnormal
Battery
Current
Disable
Critical
NA
0s
Alarm Description
If the boost charging current of battery is less than the steady boost charging current for a time
that is specified by BC to FC Delay, storage batteries switch from boost charging to float
charging. If two consecutive times of boost charging both consume a time longer than the
boost charging protection time, the SMU02B disables boost charging and generates an alarm
about abnormal battery currents.
13.4.37 Battery Test Cancellation
Alarm Properties
Alarm
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
Test Cancelled
Battery Test
Cancelled
Enable
Minor
NA
0s
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Alarm Description
The SMU02B generates an alarm if the battery test is aborted because of host protocols or the
control by the local maintenance terminal. This alarm is cleared only after battery alarms are
cleared.
13.4.38 Current Limit Exceeded
Alarm Properties
Alarm
LCD
Web UI
Exceed Curr Lmt
Exceed
Limit
Alarm Properties
Current
Alarm
Enabled
Alarm
Severity
Relay
Delay
Disable
Warning
NA
10s
Alarm Description
The SMU02B generates an alarm if the battery charge current exceeds the battery current
limit (battery current limit x rated battery capacity) for over 10 seconds. The alarm is cleared
if the charge current is lower than the battery current limit minus one.
Parameters
Parameter
Current
(C10)
Limit
Description
Default
Value
Value Range
The setting value of Current
Limit must be lower than Over
Current
0.15 C10
0.05
C10
C10–0.25
13.4.39 Fault (for Lithium Battery)
This parameter displays, only if the power system is configured with Lithium battery.
Alarm Properties
Alarm
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
Failure (Lithium
Battery)
Failure (Lithium
Battery)
Enable
Major
NA
0s
Alarm Description
The SMU02B generates an alarm if the heater is faulty, the heater service life ends, or a board
is faulty.
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13.4.40 Protection (for Lithium Battery)
This parameter displays, only if the power system is configured with Lithium battery.
Alarm Properties
Alarm
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
Protected
(Lithium
Battery)
Protected
(Lithium
Battery)
Enable
Major
NA
0s
Alarm Description
The SMU02B generates an alarm if lithium batteries protect against low temperatures, high
discharge temperatures for electrochemical cells, high charge temperatures for
electrochemical cells, battery string overvoltage, battery string undervoltage, battery string
charge overcurrent, and battery string discharge overcurrent.
13.4.41 No response (for Lithium Battery)
This parameter displays, only if the power system is configured with Lithium battery.
Alarm Properties
Alarm
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
No Response
(Lithium
Battery)
No
Response
(Lithium Battery)
Enable
Major
NA
0s
Alarm Description
The SMU02B generates an alarm if its communication with lithium battery is disconnected.
13.4.42 Minor Alarm (for Lithium Battery)
This parameter displays, only if the power system is configured with Lithium battery.
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Alarm Properties
Alarm
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
Minor Alarm
(Lithium
Battery)
Minor Alarm
(Lithium
Battery)
Enable
Minor
NA
0s
Alarm Description
The SMU02B generates minor alarms for the faults such as high discharge temperatures for
electrochemical cells, high charge temperatures for electrochemical cells, battery string
overvoltage, battery string undervoltage, battery string charge overcurrent, battery string
discharge overcurrent, and low temperatures.
13.4.43 Rectifier Failure
Alarm Properties
Alarm
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
Rect Failure
Rectifier
Failure
Enable
Major
NA
20s
Alarm Description
The SMU02B generates an alarm if the rectifier is faulty.
13.4.44 Rectifier Protection
Alarm Properties
Alarm
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
Rect Protect
Rectifier
Protect
Enable
Minor
NA
20s
Alarm Description
The SMU02B generates an alarm if a rectifier is protected due to an exception.
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13.4.45 No Response (for Rectifier)
Alarm Properties
Alarm
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
No Response
(Rectifier)
No
Response
(Rectifier)
Enable
Major
NA
15s
Alarm Description
The SMU02B generates an alarm if its communication with a rectifier is disconnected.
13.4.46 Rectifier AC Power Failure
Alarm Properties
Alarm
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
AC
Fail
(Rectifier)
AC Fail (Rectifier)
Disable
Major
NA
10s
Alarm Description
The SMU02B generates an alarm if a rectifier has no power input.
13.4.47 Rectifier DC Over voltage
Alarm Properties
Alarm
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
DC Over
Volt
DC
Over
Voltage(Rectifier)
Disable
Critical
NA
10s
Alarm Description
The SMU02B generates an alarm if the DC output voltage of rectifiers is higher than the
output overvoltage protection threshold (58 V by default).
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13.4.48 Rectifier Fan Failure
Alarm Properties
Alarm
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
Fan
Failure
Fan
Failure(Rectifier)
Disable
Major
NA
20s
Alarm Description
The SMU02B generates an alarm if the fan in a rectifier is faulty.
13.4.49 Rectifier Lost
The display of this parameter depends on the rectifier type.
Alarm Properties
Alarm
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
Rectifier Lost
Rectifier Lost
Enable
Warning
NA
0s
Alarm Description
The SMU02B generates an alarm if it detects that the number of rectifiers decreases after
rectifier reconfiguration.
13.4.50 Rectifier Redundancy Active
Alarm Properties
Alarm
LCD
Rect
Act
Redund
Alarm Properties
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
Rectifier
Redundancy Active
Enable
Warning
NA
0s
Alarm Description
Certain rectifiers hibernate if the condition for rectifier hibernation is met.
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13.4.51 Rectifier Not Redundant
Alarm Properties
Alarm
LCD
Web UI
Not
Redundant
PSU
Redundant
Alarm Properties
Not
Alarm
Enabled
Alarm
Severity
Relay
Delay
Enable
Warning
NA
15s
Alarm Description
1、 If two types of rectifiers (with different rated currents) coexist, the SMU02B does not
generate an alarm.
2、 If Total rated current – Total output current > 1.2 x Maximum rated current, the SMU02B
does not generate an alarm.
3、 If Total rated current – Total output current ≤ Maximum rated current, the SMU02B
generates an alarm.
13.4.52 Single Rectifier Fault (Redundant)
Alarm Properties
Alarm
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
Rect Fault(R)
Single
Rect
Fault(Redundant)
Enable
Minor
NA
30s
Alarm Description
If one rectifier is faulty, the power system also allows the other rectifiers to work in
redundancy mode.
13.4.53 Single Rectifier Fault (Not Redundant)
Alarm Properties
Alarm
LCD
Web UI
Rect Fault(NR)
Single
Fault(Not
Redundant)
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Alarm Properties
Rect
Alarm
Enabled
Alarm
Severity
Relay
Delay
Enable
Major
NA
30s
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Alarm Description
If a single rectifier is faulty and the power system does not support redundancy, the SMU02B
generates an alarm, warning you that the faulty rectifier should be replaced as soon as
possible.
13.4.54 Multi-Rectifier Fault
Alarm Properties
Alarm
LCD
Web UI
MultiRect
Fault
Multi
Fault
Alarm Properties
Rect
Alarm
Enabled
Alarm
Severity
Relay
Delay
Enable
Major
NA
20s
Alarm Description
The SMU02B generates an alarm if two or more rectifiers are faulty.
13.4.55 Rectifier Loading Failure
Alarm Properties
Alarm
LCD
PSU
Fault
Alarm Properties
Web UI
Load
PSU
Fault
Load
Alarm
Enabled
Alarm
Severity
Relay
Delay
Enable
Minor
NA
10s
Alarm Description
The SMU02B generates an alarm if it fails to load rectifiers. In this case, replace faulty
rectifiers immediately.
13.4.56 High Rectifier Capacity
Alarm Properties
Alarm
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
High Rect Cap
High Rectifier
Capacity
Disable
Minor
NA
30s
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Alarm Description
The SMU02B generates an alarm if Load current < Rectifier redundancy percentage (%) x
Rated output capacity.
Parameters
Parameter
Description
Default
Value
High
PSU
Capacity
Percentage (%)
-
20
Value Range
[0,120]
13.4.57 Low Rectifier Capacity
Alarm Properties
Alarm
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
Low Rect Cap
Low Rectifier
Capacity
Disable
Minor
NA
30s
Alarm Description
The SMU02B generates an alarm if the load current > Rectifier redundancy percentage (%) x
the rated output capacity.
Parameters
Parameter
Description
Default
Value
Low
PSU
Capacity
Percentage (%)
-
100
Value Range
[0,120]
13.4.58 High Ambient Temperature
Alarm Properties
Alarm
LCD
Amb
Temp
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High
Alarm Properties
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
Ambient High
Temp Alarm
Enable
Minor
NA
20s
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Alarm Description
The SMU02B generates an alarm if the ambient temperature is higher than the high ambient
temperature alarm threshold (50°C by default). The hysteresis is 3°C.
Parameters
Parameter
Description
Default
Value
Value Range
Ambient High Temp
Point(degC)
Ambient temperature is
higher than the value of
high ambient temperature,
generates an alarm.
50°C
25–80°C
The setting value of
Ambient High Temp is
lower than Ambient Very
High Temp Point.
13.4.59 Ambient Very High Temperature
Alarm Properties
Alarm
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
Amb V-High
Temp
Ambient Very
High
Temp
Alarm
Enable
Major
NA
10s
Alarm Description
The SMU02B generates an alarm if the ambient temperature is higher than the alarm
threshold (55°C by default) for ambient very high temperature. The hysteresis is 3°C.
Parameters
Parameter
Description
Default
Value
Value Range
Ambient Very High
Temp Point (°C)
Ambient temperature is
higher than the value of
Ambient Very High Temp,
generate an alarm.
55°C
25°C–80°C
The setting value of
Ambient Very High Temp
must be higher than
Ambient High Temp.
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13.4.60 Low Ambient Temperature
Alarm Properties
Alarm
LCD
Amb
Temp
Low
Alarm Properties
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
Ambient Low
Temp Alarm
Enable
Minor
NA
20s
Alarm Description
The SMU02B generates an alarm if the ambient temperature is lower than the value of
Ambient Low Temp Point (0°C by default). The hysteresis is 3°C.
Parameters
Parameter
Description
Default
Value
Value Range
Ambient Low Temp
Point (°C)
If the ambient temperature
is lower than the the value
of Ambient Low Temp,
generate an alarm.
0°C
–20°C to 20°C
13.4.61 High Ambient Humidity
Alarm Properties
Alarm
LCD
Amb
Humi
High
Alarm Properties
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
Ambient High
Humidity
Enable
Minor
NA
10s
Alarm Description
The SMU02B generates an alarm if the ambient humidity is higher than the alarm threshold
(80% RH by default) for very high humidity. The hysteresis is 5% RH.
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Parameters
Parameter
Description
Default
Value
Value Range
Ambient
High
Humidity Point (%)
Ambient humidity is higher
than the value of Ambient
High Humidity, generate
an alarm.
80%
0%–100%
The setting vaule of
Ambient High Humidity
must be higher than
Ambient Low Humidity.
13.4.62 Low Ambient Humidity
Alarm Properties
Alarm
LCD
Amb
Humi
Low
Alarm Properties
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
Ambient Low
Humidity
Enable
Minor
NA
10s
Alarm Description
The SMU02B generates an alarm if the ambient humidity is lower than the alarm threshold
(10% RH by default) for very low humidity. The hysteresis is 5% RH.
Parameters
Parameter
Description
Default
Value
Value Range
Ambient
Low
Humidity Point (%)
Ambient humidity is lower
than the value of Ambient
Low Humidity, generate an
alarm.
10%
0%–100%
The setting value of
Ambient Low Humidity
must be lower than
Ambient High Humidity.
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13.4.63 Ambient Temperature Sensor1 Fault
Alarm Properties
Alarm
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
T-Sensor1
Fault
Amb
Temp
Sensor1 Fault
Enable
Minor
NA
5s
Alarm Description
The SMU02B generates an alarm if the ambient temperature sensor is faulty. For a 4–20 mA
current-type sensor, the SMU02B determines that the sensor is faulty if the sensor output
current is greater than 30 mA.
13.4.64 Ambient Temperature Sensor1 Missing
Alarm Properties
Alarm
LCD
Miss
Temp1
Amb
Alarm Properties
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
Missing Amb
Temp Sensor1
Enable
Warning
NA
0s
Alarm Description
The SMU02B generates an alarm if the ambient temperature sensor is disconnected. For a
4–20 mA current-type sensor, the SMU02B determines that the sensor is disconnected if the
sensor output current is less than 0.5 mA.
13.4.65 Ambient Humidity Sensor1 Fault
Alarm Properties
Alarm
LCD
Amb
Fault
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HS1
Alarm Properties
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
Amb
Humidity
Sensor1 Fault
Enable
Major
NA
0s
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Alarm Description
The SMU02B generates an alarm if the ambient humidity sensor is faulty. For a 4–20 mA
current-type sensor, the SMU02B determines that the sensor is faulty if the sensor output
current is greater than 30 mA.
13.4.66 Ambient Humidity Sensor1 Missing
Alarm Properties
Alarm
LCD
Miss
Humi1
Amb
Alarm Properties
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
Missing Amb
Humi Sensor1
Enable
Warning
NA
0s
Alarm Description
The SMU02B generates an alarm if the ambient humidity sensor is disconnected. For a 4–20
mA current-type sensor, the SMU02B determines that the sensor is disconnected if the sensor
output current is less than 0.5 mA.
13.4.67 Door Sensor Alarm
Alarm Properties
Alarm
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
Door Alarm
Door Contact
Alarm
Enable
Minor
NA
0s
Alarm Description
The SMU02B generates an alarm if the cabinet door is not closed properly.
13.4.68 Smoke Sensor Alarm
Alarm Properties
Alarm
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
Smoke Alarm
Smoke
Detector
Alarm
Enable
Critical
NA
0s
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Alarm Description
The SMU02B generates an alarm if the smoke sensor detects smoke.
13.4.69 Water Sensor Alarm
Alarm Properties
Alarm
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
Water Alarm
Water
Detector
Alarm
Enable
Critical
NA
0s
Alarm Description
The SMU02B generates an alarm if the water sensor detects water.
13.4.70 Alarms Generated from Ports DI 1–6
Alarm Properties
Alarm
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
DI 1 Alarm
DI 1 Alarm
Enable
Minor
NA
0s
DI 2 Alarm
DI 2 Alarm
Enable
Minor
NA
0s
DI 3 Alarm
DI 3 Alarm
Enable
Minor
NA
0s
DI 4 Alarm
DI 4 Alarm
Enable
Minor
NA
0s
DI 5 Alarm
DI 5 Alarm
Enable
Minor
NA
0s
DI 6 Alarm
DI 6 Alarm
Enable
Minor
NA
0s
Alarm Description
If you configure that an alarm is generated for a high level, the SMU02B generates an alarm if
the DI port is at a high level. If you configure that an alarm is generated for a low level, the
SMU02B generates an alarm if the DI port is at a low level.
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Parameters
Parameter
Description
Default
Value
Value Range
DI 1 Alarm
Condition
DI port status when there is an
alarm.
Close
Open \Close
DI 2 Alarm
Condition
Close
Open \Close
DI 3 Alarm
Condition
Close
Open \Close
DI 4 Alarm
Condition
Close
Open \Close
DI 5 Alarm
Condition
Close
Open \Close
DI 6 Alarm
Condition
Close
Open \Close
13.4.71 Battery Manual Switch On
Alarm Properties
Alarm
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
Battery
Manual
Switch On
Battery
Manual
Switch On
Enable
Major
NA
10s
Alarm Description
The SMU02B generates an alarm if storage batteries are connected manually.
13.4.72 Unknown System Type
Alarm Properties
Alarm
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
Unknown
System
Unknown
System Type
Enable
Critical
NA
0s
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Parameters
Parameter
Description
Default
Value
Value Range
System Type
The type of cabinet
-
-
Alarm Description
The SMU02B generates an alarm if the cabinet type cannot be identified.In this case, you
need to set System Type to the type of the current cabinet.
13.4.73 ATS Fault
Alarm Properties
Alarm
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
ATS Fault
ATS Fault
Enable
Major
NA
0s
Alarm Description
The SMU02B generates an alarm if it detects a condition for 10 minutes that the ATS mains
status is normal but actually there is no mains input.
13.4.74 Diesel Fault
Alarm Properties
Alarm
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
Diesel Fault
Diesel Fault
Enable
Major
NA
0s
Alarm Description
The SMU02B generates an alarm if the D.G. supplies no AC power 3 minutes after the D.G.
starts.The alarm is cleared after the AC input resumes or the D.G. fault is rectified.
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13.4.75 TEMP Sensor Diconnection(For TCU Summary)
Alarm Properties
Alarm
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
Sensor 1Disco
TEMP
1Sensor
Diconnection
Enable
Warning
NA
2s
Sensor
Disco
TEMP
2
Sensor
Diconnection
Enable
Warning
NA
2s
2
Alarm Description
The SMU02B generates an alarm if the TCU temperature sensor is not connected.
13.4.76 TEMP Sensor Fault(For TCU Summary)
Alarm Properties
Alarm
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
Sensor 1 Fault
TEMP
1
Sensor Fault
Enable
Minor
NA
5s
Sensor 2 Fault
TEMP
2
Sensor Fault
Enable
Minor
NA
5s
Alarm Description
The SMU02B generates an alarm if the TCU temperature sensor is faulty.
13.4.77 HT Control temperature Alarm(For TCU Summary)
Alarm Properties
Alarm
LCD
HT Ctrl
Alarm
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T
Alarm Properties
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
HT
Control
temperature
Alarm
Enable
Minor
NA
20s
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Alarm Description
The SMU02B generates an alarm if the temperature of TCU1 is higher than the value of HT
Control temperature Alarm.
13.4.78 Air Conditioner Fault(For TCU Summary)
Alarm Properties
Alarm
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
A/C Fault
Air
Conditioner
Fault
Enable
Minor
NA
20s
Alarm Description
The SMU02B generates an alarm if it receives a fault alarm from the air conditioner.
13.4.79 Heat Fault(For TCU Summary)
Alarm Properties
Alarm
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
Heat Fault
Heat Fault
Enable
Minor
NA
30s
Alarm Description
The SMU02B generates an alarm if it receives a fault alarm from the heater over a dry
contact.
13.4.80 Fan Fault
Alarm Properties
Alarm
Alarm Properties
LCD
Web UI
Alarm
Enabled
Alarm
Severity
Relay
Delay
Fan 1 Fault
Fan 1 Fault
Enable
Minor
NA
1s
Fan 2 Fault
Fan 2 Fault
Enable
Minor
NA
1s
Fan 3 Fault
Fan 3 Fault
Enable
Minor
NA
1s
Fan 4 Fault
Fan 4 Fault
Enable
Minor
NA
1s
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Alarm Description
The SMU02B generates an alarm if the target rotational speed is higher than 15% of the
maximum rotational speed but the actual rotational speed is lower than 10% of the maximum
rotational speed.
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14 Maintenance
14
Maintenance
14.1 Version
You can view the software version on both the LCD and Web UI.
LCD
To view the SMU02B version on the LCD, enter the standby screen and then press Cancel.
Figure 14-1 SMU02B version information on the LCD(for reference)
Web UI
The Version Management page shown in Figure 14-2 allows you to view the SMU02B
version.
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Figure 14-2 SMU02B version information on the Web UI
14.2 Configuration
Parameter
Description
Save As Default
Configuration
Save current parameter settings as default settings.
Restore To Default
Configuration
Restore parameter settings to default settings:

If default parameter settings are saved, the configuration will
be restored to default settings.

If no default parameter settings are saved, the configuration
will be restored to the factory settings.
Note: This operation will cause SMU reboot.
Restore To
Configuration
Manu
The configuration will be restored to the factory settings.
Note: This operation will cause SMU reboot.
Download
Default
Configuration
Download the default settings
Upload
Default
Configuration File
If you upload the local configuration file to the SMU02B, the
parameter settings will be synchronized to the SMU02B.
Note: This operation will cause SMU reboot.
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14.3 SMU02B Reboot
After the SMU02B reboots, rectifiers, storage batteries, and other devices that connected to
this SMU02B will not be controlled or managed properly. The configuration will be loaded
automatically after the SMU02B reboots.
The following operations will lead to SMU02B reboot.
1. Switch the system type.
The system type is set based on site requirements before the SMU02B is delivered.
You are not advised to change the system type. Otherwise, the parameter settings
will be changed.
Operator users do not have permission to switch the system type.
2. Upload the system type file.
The system type is set based on site requirements before the SMU02B is delivered.
You are not advised to change the system type. Otherwise, the parameter settings
will be changed.
Only admin users have permission to upload the system type file.
Figure 14-3 Upload the system type file
3. Operate configuration file:

Restore To Default Configuration

Restore To Manu Configuration

Upload Default Configuration File
Operator users do not have permission to perform above operations.
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Figure 14-4 Operate configuration file
4. Only admin users have permission to reboot the SMU02 over a WebUI.
14.4 Managing Users
The SMU02B supports a maximum of three online users.User types are classified into admin,
engineer, and operator. Table 14-1 describes the rights of the three user types.
You can manage users only on the Web UI.
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Table 14-1 User right description
User Type
Rights
Maximum Number of
Users
Admin
Has the rights of viewing, setting, and
controlling all attributes and functions.
5
Engineer
Has the same rights as Admin besides the
rights of upgrading software, downloading
historical logs and statistics, setting energy
conservation parameters,
5
Operator
Has the rights of viewing system status,
system configuration, control parameters,
battery test records, alarm parameters, and
electronic labels, and setting the time and
certain control parameters.
5
Web UI
The User Management page shown in Figure 14-5 allows you to create and delete users and
modify user information.
Figure 14-5 User Management page
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14.5 Setting the Date and Time
LCD UI
Figure 14-6 Setting Date and Time on LCD UI
Web UI
The Site Configure page shown in Figure 14-7 allows you to set the system time and time
zone.
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Figure 14-7 Setting Date and Time on Web UI
14.6 Downloading Historical Logs and Statistics
Historical logs include the running logs and configuration files for the SMU02B, and help to
query the SMU02B configuration and historical running status as well as identify faults.
Statistics include the general power grid quality over the past three years and the data relating
to intelligent battery management.
14.7 Downloading Historical Data
Historical Data records the real-time values of specified signals generated when the interval
arrives or the data changes. The signals can be customized and currently the following signals
are recorded:
Analog signals: Phase A \B\C Voltag, AC Voltage, System Voltage, Battery Total Current,
Total Load, Battery Temperature, Ambient Temperature, Ambient Humidity, Capacity Percent,
and Fan Speed.
Status signals: System power supply State, Battery Charge, Battery Management.
The interval between data recording is user-defined.You can download data over a WebUI and
open it by using the Excel spreadsheet.
Parameters
Description
Default
Value
Value Range
Record
Interval(Min)
The interval between recording
historical data
15min
1-60min
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Figure 14-8 Setting Record Interval
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Figure 14-9 Downloading Historical Data
14.8 Viewing and Exporting Electronic Labels
The Electronic Label page shown in Figure 14-10 allows you to view electronic label
information about system components such as the SMU02B, rectifier, and backplane, and to
export electronic labels in HTML format by clicking Export.
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Figure 14-10 Electronic Label page
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15
Troubleshooting
15.1 Common Faults
Table 15-1 describes the common SMU02B faults and troubleshooting measures.
Table 15-1 Common SMU02B faults and troubleshooting measures
Symptom
Cause
Measures
The major alarm indicator (red)
is steady on.
A critical or major
alarm is generated.
Query alarms on the LCD or
Web UI, and rectify the faults.
The minor alarm indicator
(yellow) is steady on.
A minor or warning
alarm is generated.
Query alarms on the LCD or
Web UI, and rectify the faults.
The Run indicator (green)
blinks at 4 Hz.
The SMU02B does
not communicate with
the host properly.
Connect communications cables
correctly.
The
network
communication
is
interrupted.
Connect communications cables
correctly.
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The Communication indicator
on the FE port (green) is off.
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SMU02B
User Manual
A
Technical Specifications
Table A-1 Technical specifications
Category
Item
Specifications
Environmental
conditions
Operating
temperature
–40°C to +70°C
Transportation
temperature
–40°C to +70°C
Storage
temperature
–40°C to +70°C
Operating
humidity
5%–95% RH (non-condensing)
Storage
humidity
5%–95% RH (non-condensing)
Altitude
0–4000 m
When the altitude ranges from 3000 m to 4000 m, the
operating temperature decreases by 1ºC for each
additional 200 m.
Input voltage
range
36–72 V DC
Maximum
current
0.5 A
Dimensions (H
x W x D)
40.8 mm x 99 mm x 194.3 mm
Weight
≤ 1.5 kg
Power supply
Structure
Mean time between failures
(MTBF)
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≥ 250,000 hours
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B
B
Acronyms and Abbreviations
D
D.G.
diesel generator
DI
dry contact input
DO
dry contact output
F
FE
fast Ethernet
L
LCD
liquid crystal display
S
SMU
site monitoring unit
U
UIM
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user interface module
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