ALSOENERGY GENERAL
INSTALLATION GUIDE
September 2019
General Installation Guide
© 2019 by AlsoEnergy™. All rights reserved.
This document is the confidential and proprietary information of AlsoEnergy. No part of this document
may be photocopied, reproduced, stored in a retrieval system, or transmitted in any form or by any
means whether electronic, mechanical or otherwise without prior written permission.
AlsoEnergy reserves the right to change details in this publication without notice.
PowerTrack®, PowerLobby®, PowerDesigner® PowerInvoice®, PowerLogger®, and PowerManager® are
the trademarks of AlsoEnergy™.
Other product names and/or organization names mentioned may be trademarks and/or registered
trademarks of their respective companies.
Revision History
Revision
Date
Author
Comments
13
September 2019
Engineering
Full Update
Limitation of Liability
AlsoEnergy™ Inc. (“AE”) reserves the right to make changes to its products and/or their specifications
without notice. Obtain the latest version of the device specifications to ensure the most current
information is available to the customer.
AE assumes no liability for applications assistance, customer’s system design, or infringement of patents
or copyrights of third parties by/or arising from the use of AE’s devices.
AE SHALL NOT BE LIABLE FOR CONSEQUENTIAL DAMAGES SUSTAINED IN CONNECTION WITH AE
PRODUCTS, EXCEPT TO THE EXTENT PROHIBITED BY APPLICABLE LAW. FURTHERMORE, AE NEITHER
ALLOWS NOR AUTHORIZES ANY OTHER PERSON TO ASSUME FOR IT ANY SUCH OBLIGATION OR
LIABILITY.
Although the information contained in this document is believed to be accurate, AE assumes no
responsibility for any errors which may exist in this publication.
Installation Personnel
Installation and maintenance of the communications enclosure should only be performed by qualified,
competent personnel who have appropriate training and experience with high voltage and current
devices. The communications enclosure must be installed in accordance with all Local and National
Electrical Safety Codes.
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WARNING
Failure to observe the following may result in severe injury or death:
•
•
•
•
Keep these instructions.
There are no user-serviceable parts inside. Refer service to an authorized service person.
During normal operation of this device, hazardous voltages are present on the input
terminals of the devices and throughout the connected power lines. With their primary
circuit energized, current transformers (CTs) may generate a high voltage when their
secondary windings are open. Follow standard safety precautions while performing any
installation or service work (i.e., remove line/ PT fuses, short CT secondaries, disconnect
power whenever adjusting terminations).
This product must be used in accordance with the instructions in this manual. Otherwise,
the product may not perform as expected and can cause hazards to the user.
Danger
Line voltages up to 600 VRMS are present on the input terminals of the device
and throughout the connected line circuits during normal operation. These
voltages may cause severe injury or death. Installation and servicing should be
performed only by qualified, properly trained personnel.
CSA - C22 Statement
This product meets the requirements of Can/CSA-C22.2 no. 61010-1, second edition, including
Amendment 1, or a later version of the same standard incorporating the same level of testing
requirements.
FCC Statement
This device is classified as a Class A digital device.
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two
conditions: (1) This device may not cause harmful interference, and (2) this device must accept
any interference received, including interference that may cause undesired operations.
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Contents
Limitation of Liability .................................................................................................................................... 2
Installation Personnel ................................................................................................................................... 2
WARNING ...................................................................................................................................................... 3
Danger ........................................................................................................................................................... 3
CSA - C22 Statement ..................................................................................................................................... 3
FCC Statement .............................................................................................................................................. 3
1.0 General .................................................................................................................................................... 7
1.0.1 Electrical Wiring ........................................................................................................................... 7
1.0.2 Documentation ............................................................................................................................ 7
1.0.3 Disclosure ..................................................................................................................................... 7
1.0.4 Warranty ...................................................................................................................................... 7
1.1 Product Overview ................................................................................................................................... 8
1.2 Options for Connecting Data Logger to the Internet .............................................................................. 9
2.0 AlsoEnergy Hardware.............................................................................................................................. 9
2.1 Data Logger Enclosure Operating Specifications .................................................................................... 9
2.2 AlsoEnergy Hardware Overview ........................................................................................................... 10
2.2.1 Communications Enclosure........................................................................................................ 10
2.2.2 Data Logger ................................................................................................................................ 11
2.2.3 Power Supply ............................................................................................................................. 11
2.2.4 Revenue Grade Energy Meter.................................................................................................... 12
2.2.5 RV50 Cell Modem....................................................................................................................... 13
2.2.6 SU201M Circuit Breaker Supply Terminal Card ......................................................................... 13
2.2.7 Entrelec Feed Through Terminal Block (DC and 485) ................................................................ 13
2.2.8 TDK-Lamda DC Power Supply..................................................................................................... 14
3.0 Installation Procedure ........................................................................................................................... 14
3.1 Required Tools ...................................................................................................................................... 14
3.2 Wiring Sequence ................................................................................................................................... 14
3.3 Typical AlsoEnergy Single-line System Diagram.................................................................................... 15
3.4 Enclosure Mounting Requirements ...................................................................................................... 16
3.5 Preventing Water Damage .................................................................................................................... 17
3.5.1 Weatherproofing the Enclosure ................................................................................................ 17
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3.5.2 Humidity Controlling DESI PAK .................................................................................................. 17
3.6 Grounding Considerations .................................................................................................................... 17
4.0 Installation Connections ....................................................................................................................... 18
4.1 Power .................................................................................................................................................... 18
4.1.1 Remote DC Power Connections ................................................................................................. 18
4.2 Modbus Data Connections.................................................................................................................... 19
4.2.1 Modbus Data Wire ..................................................................................................................... 19
4.2.2 Multiple Modbus Devices .......................................................................................................... 19
4.2.3 Device Programming: Setting a Unique Modbus Address ......................................................... 19
4.3 Revenue Grade Meter........................................................................................................................... 20
Production, Consumption or Grid Metering Locations ....................................................................... 21
4.3.1 Installing Current Transformers (CTs) ........................................................................................ 22
4.3.2 Current Transformer Installation Guide..................................................................................... 22
4.3.3 Identifying Swapped phases. ..................................................................................................... 23
4.3.4 Extending CT Leads to the Revenue Grade Meter ..................................................................... 23
4.3.5 Fusing of Revenue Grade Meter Voltage Taps .......................................................................... 24
4.3.6 Revenue Grade Meter Wiring Guide ......................................................................................... 24
4.3.7 CT Shorting ................................................................................................................................. 24
4.4 Cell Modem and Antenna Installation .................................................................................................. 27
4.4.1 Install Overview.......................................................................................................................... 27
4.4.2 Troubleshooting power and connectivity issues ....................................................................... 27
4.5 AlsoEnergy Weather Stations ............................................................................................................... 29
4.5.1 Installation Recommendations .................................................................................................. 29
4.6 Standard Weather Station .................................................................................................................... 30
4.7 Remote Enclosure Mounting and Connecting ...................................................................................... 30
4.8 Standard Weather Station Sensor Installation and Connections ......................................................... 31
5.0 Installation Verification and Operation ................................................................................................ 38
6.0 Troubleshooting .................................................................................................................................... 38
6.1 Elkor Mark II Meter ............................................................................................................................... 38
6.1.1 Elkor Mark II Status Indicators ................................................................................................... 38
6.2 PowerLogger 1000 ................................................................................................................................ 38
6.2.1 Screen Calibration ...................................................................................................................... 38
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6.2.2 No PowerTrack Connection ....................................................................................................... 38
6.2.3 RS-485 Devices Not Responding in PowerTrack ........................................................................ 38
6.3 MOXA Data Logger ................................................................................................................................ 39
6.3.1 MOXA Data Logger Lights .......................................................................................................... 39
6.3.2 MOXA Data Logger Beeps .......................................................................................................... 39
6.4 Data Logger Power Issues ..................................................................................................................... 40
6.4.1 Verify AC Power at DIN Mounted Circuit Breaker ..................................................................... 40
6.4.2 Verify DC Power at Data Logger ................................................................................................. 40
6.5 Data Logger Does Not Communicate with an End Device .................................................................... 40
6.6 RS-485 Modbus Troubleshooting ......................................................................................................... 41
6.7 Weather Station .................................................................................................................................... 42
6.7.1 Weather station communication issues .................................................................................... 42
6.7.2 Weather Station sensors ............................................................................................................ 42
- Temperature Sensors........................................................................................................................ 42
- Ambient Temperature (4-20mA, -29°C to 49°C) ............................................................................... 42
- Module Temperature (4-20mA, -40°C to 85°C) ................................................................................ 42
- Wind Direction .................................................................................................................................. 43
- Calibrate the Wind Vane ................................................................................................................... 43
- Wind Speed ....................................................................................................................................... 43
- Pyranometer Scale ............................................................................................................................ 44
- Apogee Pyranometer ........................................................................................................................ 45
7.0 Operations & Maintenance................................................................................................................... 45
Appendix A – RJ45 Wiring Guide................................................................................................................. 46
Appendix B - Data Logger Networking Considerations ............................................................................... 47
Appendix C – Connecting To AcquiSuite ..................................................................................................... 48
AlsoEnergy SupportTrack ............................................................................................................................ 49
For Onsite Appointments .................................................................................................................... 49
For phone assistance .......................................................................................................................... 49
Software Training ................................................................................................................................ 49
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1.0 General
1.0.1 Electrical Wiring
Because of possible electrical shock or fire hazards, the connection of this equipment should only be made
by qualified personnel in compliance with all local applicable electrical codes and standards.
1.0.2 Documentation
This manual is meant to cover the installation and troubleshooting of standard installations. AlsoEnergy
supports many configurations and specific installations. Please contact technical support if you have any
questions.
1.0.3 Disclosure
This publication contains information proprietary to AlsoEnergy. No part of this publication may be
reproduced in any form without prior written consent from AlsoEnergy.
1.0.4 Warranty
The AlsoEnergy communications enclosure is warranted to the original purchaser against defective
material and workmanship. During the warranty period, AlsoEnergy will repair or replace, at its option, all
defective equipment that is returned freight prepaid. There will be no charge for repair provided there is
no evidence that the equipment has been mishandled or abused. If the equipment is found to be in proper
working order, a service fee will be charged. The complete terms and conditions of the warranty are
located at www.AlsoEnergy.com.
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1.1 Product Overview
The AlsoEnergy communications enclosure interfaces RS-232, RS-485 and RS-422 devices with the
AlsoEnergy database via an internet-accessible Ethernet connection. The AlsoEnergy communications
enclosure optionally includes a Weather Station signal conditioner, an Ethernet switch and/or one or two
Elkor WattsOn Mark II power meters.
All data loggers come equipped with two available Modbus ports that are capable of RS-232, RS-485, and
RS-422 communications. These components are housed in a powder-coated steel enclosure intended for
mounting indoors or outdoors, close to the electrical equipment being monitored.
Figure 1-1 Basic monitoring system diagram
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1.2 Options for Connecting Data Logger to the Internet
1. Copper Cat5 Ethernet
• Distance limitations: 300 feet from the data logger to a network port
• Cat5 or better, shielded, twisted pair, UV and direct burial rated
• Networking cable should be installed to NEC standards, i.e., minimum 18” separation from
power runs, and always in separate conduit
2. Optical Fiber Ethernet
• Distance limitations: 2 km between optical switches
Our switches require multi-mode 50/125μm or 62.5/125μm fiber with SC Connectors. The fiber
cable can be ordered with pre-terminated ends with pull ring for ease of install
• Can be in the same conduit as power
3. Wireless Ethernet Radios
• Monitored link on PowerTrack
• One base with up to 16 remote radios
• Rated for up to 15km distance
• 2.4GHz for a line of sight connection
4. Cellular Internet Gateway
• Preconfigured and tested on the Verizon network
• One time install, protection from site IT issues or changes, remote access/troubleshooting
• Monthly fee depending on the amount of data
For detailed networking information, see Appendix C – Data Logger Networking Considerations.
2.0 AlsoEnergy Hardware
2.1 Data Logger Enclosure Operating Specifications
Environment
The NEMA 4 enclosure provides a degree of protection to personnel against incidental contact with
the enclosed equipment, and provides a degree of protection against falling dirt, rain, sleet, snow,
windblown dust, splashing water, hose-directed water, and external formation of ice on the enclosure
Operating Temperature
-40 to +60 °C
Storage Temperature
-50 to +85 °C
Electrical
Supply Voltage
Supply Current
Frequency Range
Breaker
100 – 277 VAC, auto-ranging
OR
480/600VAC 3 wire delta power supply
0.4A
50 – 60 Hz
SU201M 6A
Ethernet
• 10 / 100 Ethernet
• Network interface configured to customer needs (DHCP or Static)
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2.2 AlsoEnergy Hardware Overview
AlsoEnergy hardware comes prewired in a NEMA 4 enclosure for easy installation. The enclosure contains
a data logger and may contain additional devices including a cell modem, revenue-grade meter, weather
station digitizer, etc. The following pages provide an overview of the hardware solutions but are not a
complete list of all the devices AlsoEnergy provides or supports. Please contact customer support if
additional technical or installation information is needed.
All operation information for the communications enclosure is transmitted via Ethernet to AlsoEnergy
PowerTrack. No preventive maintenance or inspection is required. Below is a typical AlsoEnergy
communications enclosure. Note there may be variations due to unique site requirements.
Figure 2-1 Standard enclosure
2.2.1 Communications Enclosure
The AlsoEnergy communications enclosure is a NEMA4 enclosure with a DIN-rail mounted, pre-configured
data logger and custom set of devices for site monitoring. The powder-coated steel enclosure is intended
for mounting indoors or outdoors, close to the electrical equipment being monitored.
All models come equipped with two serial ports in the data logger that are capable of RS-485, RS-422 and
RS-232 communications to devices such as inverters, meters, weather stations, and smart combiners.
The AlsoEnergy communications enclosure optionally includes up to two additional devices such as a
weather station, revenue-grade energy meter, Ethernet/fiber switch, or cell modem.
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2.2.2 Data Logger
The AlsoEnergy PowerLogger 1000 comes pre-loaded with AlsoEnergy software
and configuration.
• Connects to inverters, meters and weather stations via
MODBUS/RTU, MODBUS/TCP OR DNP3 (other protocols are available
with vendor cooperation)
• Supports up to 40 devices, recommended max 20 per Port
• Securely uploads data to cloud-based servers
• Typically, 3 to 5-minute uploads, depending on the number of devices
• Automatic remote firmware updates
• In the event of network outages, data is stored on a removable SD
card and uploaded when network functionality is restored. Storage
length depends on the number of devices connected.
• Certifications and Agency Approvals: UL, CSA, FCC, CE, TUV, Ctick, VCCI
This installation manual assumes the PowerLogger 1000 is being used. However, other data loggers
(below) may be used:
Moxa (Legacy)
Obvius Acquisuite
PowerManager 2000 (Legacy)
PowerManager 2200
2.2.3 Power Supply
The default power supply in the communications enclosure requires 100 – 277VAC at 0.4A – 0.2A, 50 -60
Hz, and is auto-ranging. There is also an option for a 480/600VAC 3 wire delta power supply. Either device
should be protected by an adequate main circuit breaker rated up to 20 amps.
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2.2.4 Revenue Grade Energy Meter
The WattsOn Mark II is a true revenue-grade meter, a three-phase
device designed for energy management and building automation
applications. The unit measures electrical parameters, including
voltage, current, power, frequency, power factor, and net energy
production. The information is available on a per-phase basis
allowing the use of one WattsOn transducer in three single-phase
systems (up to three individual loads), one three-phase load, or a
combination single/split phase load.
Features
• Features a high accuracy chipset with thousands of measurements per second
• Provides register updates two times per second
• True-RMS inputs may be used even with distorted waveforms such as those generated by variable
frequency drives
• 24VDC power
• Two pulse outputs
• Rolling Window Demand calculations
• Accepts up to 600V (line-to-line) directly without the need for potential transformers
• ANSI C121.20 Class 2
• Small, DIN mount enclosure
• LCD display for configuration and data reading purposes
Meter CT Requirements
• Three Voltage Taps and three Current Transformers (CT) are required to monitor three-phase
power. One set per phase wired accordingly.
• The proper CTs are determined by maximum amperage, wire size, number of wires passing
through the window. All CTs for each meter must be identical.
• The CTs may be either a solid core or a split core.
o Split Cores are only recommended for adding to existing systems for a more
straightforward installation; however, split Cores are typically less accurate.
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2.2.5 RV50 Cell Modem
The RV50 is a compact, intelligent, and fully-featured communications platform that provides real-time
wireless capabilities on 4G networks with fallback to 3g.
Features
• Operating Voltage Input voltage: 7–36V
• 10/100/1000 Base-T RJ-45 Ethernet
• 3 SMA antenna connectors (LTE, Diversity, Active
GPS)
• DIN rail mount screws
• Peak Power Consumption: 8 W
• Typical Power Consumption: 3.7 W
2.2.6 SU201M Circuit Breaker Supply Terminal Card
The SU 200 M miniature circuit breaker is ABB’s solution for UL489
protection in branch circuits for voltages up to 480Y/277VAC, and 96VDC.
This circuit breaker is an all-around device for universal use in AC and DC
applications.
Features
• High-performance MCB with 10 kA interrupting capacity acc. to UL
489 / CSA 22.2 No. 5 and 15 kA breaking capacity acc. to IEC/EN
60947-2
• Certified up to In = 40 A at 480 Y/277 V AC acc. to UL 489 / CSA 22.2
No.5
• Certified for AC and DC use acc. to UL and CSA
• 40 °C reference temperature acc. to UL and CSA
• Current limiting acc. to UL 489
• Clear contact position indication in red/green (”real CPI“)
2.2.7 Entrelec Feed Through Terminal Block (DC and 485)
Qualified for worldwide applications and severe environments (such
as hazardous locations, railways, marine, and solar applications.
Features
• Rated impulse voltage (Uimp) - 8 kV
• Rated Current (IEC) 32 A, (UL) 20A
• Rated operating voltage, 1000 V, (UL/CSA) 600V
• Compliment with standards: IEC60529, IEC60947-1,UL, CSA
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2.2.8 TDK-Lamda DC Power Supply
AC to DC converter with 24V output as well as an AC line frequency output
line.
Features
• Low Profile for Building Automation
• 24V Output
• Wide Range AC Input (100-277VAC)
• Evaluated to NEC NFPA70 Class 2 Output
• Class II Double Insulation
• AC Line Frequency Sync Signal
• -25 to +71°C Operation
• DIN Rail Mount
3.0 Installation Procedure
Warning
The AlsoEnergy enclosure contains sensitive electronics and high voltages. The enclosure needs to
remain weather-tight for its entire expected lifetime. Proper installation is the best defense against
future service calls and expenses.
3.1 Required Tools
•
•
•
•
•
•
•
Drill and Bit Set
Knockout Set
Wire Stripper/Cutter
Small Flathead Screwdriver
Large Flathead Screwdriver
AC/DC voltmeter
RJ45 head-maker
•
•
•
•
•
Network cable tester
Mounting hardware to mount enclosures,
sensors, and radios
Outdoor-rated shielded STP Cat5 cable
Conduit and rain-tight connectors
Loctite® Epoxy Plastic Bonder and Foil
Tape for Panel Temp Sensor
3.2 Wiring Sequence
The following sections provide detailed wiring instructions and diagrams. For the devices that apply, the
recommended order of wiring is:
1.
2.
3.
4.
5.
6.
Power for the communications enclosure: Ground, AC Power
Internet Connection (wired, fiber, Ethernet radios)
External Modbus devices, i.e., inverters, external weather stations, and external meters
Weather station sensors for an internal weather station
Voltage and CTs for revenue-grade energy meters (Consumption and/or Production)
Weather station sensors for the external remote weather station
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3.3 Typical AlsoEnergy Single-line System Diagram
Each monitoring package comes with a corresponding AlsoEnergy single-line diagram which shows:
•
•
•
•
•
The AlsoEnergy data logger communication configuration, either DHCP or Static IP settings
Type of devices included in the AlsoEnergy communication package
Data Logger connections, showing which devices belong on each communication bus
Specific addressing information for all site devices
Communications protocols and wiring types
Figure 2.2 Typical single-line diagram.
Best Practice: Wire Labeling
All external electrical and communications wires should be labeled, e.g. “To Pad 1 Enclosure”, “To Meter
3”, etc. A colored tape can be used to designate CT and VT phases. Having labeled wires will save time
during commissioning and troubleshooting.
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3.4 Enclosure Mounting Requirements
Location
Mount to an indoor or outdoor wall following the instructions in Section 3.4, Enclosure Mounting.
•
•
•
•
The unit should be placed in a secure location, away from any potential tampering.
Mount to an indoor or outdoor wall using four 2-¼” screws through the holes in the mounting
flanges.
Allow space beneath the enclosure for conduit runs for all input and output wires.
Allow space in front of and behind the unit to allow the front door to open fully.
Distance Limitations
• Maximum 300 feet from an internet connected network port
• No further than six feet from earth ground
• Maximum 1,000 feet between any two RS-485 or RS-422 devices, including communications
enclosure
• Maximum 4,000 feet between communications enclosure and last RS-485 or RS-422 device
• Maximum 100 feet to an RS-232 device
• Maximum 6500 feet per fiber run
Power
• The standard power supply in the AlsoEnergy Communication Box requires 100 – 277VAC at
0.4A – 0.2A, 50 -60 Hz, and is auto-ranging. Other power supplies such as 480/600VAC 3 Wire
delta available.
• The monitoring system should be protected by a main circuit breaker rated up to 20 amps.
• Allow access to a proper earth ground.
Enclosure Penetrations
• All conduits and wires must enter from the bottom of the enclosure. Do not penetrate the top
or sides of the enclosure.
• All entry points must be sealed using weatherproof connecters.
• Warranty will be voided if there are entry points on the top or sides of the enclosure.
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3.5 Preventing Water Damage
The enclosure contains electronics that are sensitive to water damage. Ambient humidity, condensation,
and water infiltration are common causes of damage to circuitry. Avoid costly repairs and losses caused
by water damage by using adequate weatherproofing techniques and managing humidity.
3.5.1 Weatherproofing the Enclosure
Do not penetrate the top or sides of the enclosure or modify hardware/factory wiring. All penetrations to
the enclosure should be liquid-tight to maintain the longevity of the electronics. All conduit connectors
must be outdoor rated.
3.5.2 Humidity Controlling DESI PAK
AlsoEnergy supplies desiccant packets within all enclosures to prevent excessive
humidity and prolong the life of the sensitive electrical devices. Please leave the
desiccant packets inside the enclosure after installation is complete. The supplied
Humidity Indicator card should be placed in a visible location in the enclosure.
Replace the Desiccant packet when the Humidity Indicator Card shows 40% humidity
or higher.
3.6 Grounding Considerations
Ground the enclosure according to NEC requirements and local regulations.
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4.0 Installation Connections
Connections for power, measurement signals for the revenue grade meter(s) and data signal wires from
inverters and remote weather stations or revenue-grade meters are made to DIN Rail terminal blocks as
listed in the sections below. Weather station connections are made directly to the weather station signal
conditioner boards. An Ethernet cable also needs to be connected to the top of the data logger.
4.1 Power
All input connections are made to DIN Rail terminal blocks as
listed to the right. Connect 600VAC stranded wire to the
terminal blocks pre-labeled with the proper power supply
connection with the Line, Neutral, and Ground wires.
Table 4-1. Power connections
External AC Source
Terminal Block
Line(s)
1, 2, 3
Neutral
4
Ground
5
Figure 4-1 DIN rail terminals.
4.1.1 Remote DC Power Connections
For remote enclosures containing weather stations or meters, two DC
power terminals, 24V(+) and 24V(-), are available on the bottom center of
the main enclosure. The two terminals are labeled 6 and 7 and are located
to the right of the power supply in the center of the lower DIN rail. Power
and Modbus can be transmitted via one outdoor shielded Cat5 cable. See
4.7 Remote Enclosure Mounting and Connecting for more detail.
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4.2 Modbus Data Connections
Connect the external devices (inverters, remote revenue-grade meters, remote weather stations) to data
Port 1, or Port 2 (see single-line) on the DIN mounted terminal blocks which are hardwired directly to the
data logger. Be sure to wire the site’s devices according to the single-line diagram supplied by AlsoEnergy
with the shipment.
4.2.1 Modbus Data Wire
Connect the Modbus devices using Belden 3106A
shielded wire or equivalent. Land the Modbus
shield only in the data logger enclosure. Do not
land the shield at the other end of the bus.
4.2.2 Multiple Modbus Devices
If there are multiple devices on one Modbus port,
attach the data+, data- and common wires to the
Modbus terminals on the first device, and then
daisy chain the ongoing devices. Do not use a starconfiguration, there should be no more than two
wires on any terminal.
Table 4-2. Data Logger Modbus Wiring
Port 1
Inverters
Port 2
Meters
And
Weather
Stations
Logger # and Terminal Block
#1
#2
#3
Ground
10
20
30
Data+
11
21
31
Data12
22
32
Shield
13
23
33
Ground
14
24
34
Data+
15
25
35
DataShield
16
17
26
27
36
37
Figure 4-2 RS-485 daisy chain diagram.
4.2.3 Device Programming: Setting a Unique Modbus Address
All devices on each Modbus port need a unique address between 1 and 254. If two devices on the Modbus
network have the same address, the system will not function. AlsoEnergy weather stations and revenuegrade meters come preconfigured with unique Modbus addresses. Inverters need to be connected and
programmed by the installer. Refer to the supplied site-specific single-line diagram for addressing
information and supplemental inverter-specific setup guides or inverter installation manual for
connecting and programming information.
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4.3 Revenue Grade Meter
For sites with a single revenue-grade meter, the meter is used to
capture all production. However, some sites may have other
production, grid, or consumption meters based on customer
needs.
Install Current Transformers (CTs) and make all connections with
all system AC and DC power turned OFF. If you have any
questions, please call AlsoEnergy technical support before
turning the power on.
Danger
This is a Class III Measurement Device. Line voltages up to 600 VRMS are present on
the input terminals of the device and throughout the connected line circuits during
normal operation. These voltages may cause severe injury or death. Installation and
servicing should be performed only by qualified, properly trained personnel.
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General Installation Guide
Production, Consumption or Grid Metering Locations
The location of meter CTs and voltage taps is dependent on the meter type. Typical sites will use a
production meter to monitor PV production with the option of additional consumption, grid or utility
meters.
Option #1: Production meter and Consumption meter
If the extra meter only measures building loads, it is known as a Consumption meter in PowerTrack, and
the energy will only flow one direction through this meter.
From PV
System
Grid
Production
Meter
+
Utility
Meter
-
Building
Load
Consumption
Meter
+
+
Calculated Utility meter =
Consumption meter – Production meter
Calculated Load = Consumption meter
Figure 4-3 Production, consumption, and optional utility meter.
Option #2: Production meter and grid meter
If the extra meter is placed on the same wires as the utility meter, then it is known as a Grid meter in
PowerTrack and energy can flow either direction through the meter depending on the sum of PV
production and building loads.
From PV
System
Grid
-
Utility
Meter
+
Production
Meter
+
Grid Meter
-
Calculated Utility meter = Grid meter
+
Building
Load
Calculated Load =
Grid meter + Production meter
Figure 4-4 Production, grid, and optional utility meter.
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General Installation Guide
4.3.1 Installing Current Transformers (CTs)
CTs provide power readings from the production meter by scaling large
primary currents to smaller, easy to measure, secondary currents. Like a
traditional transformer, the ratio of the windings determines the relation
between the input and output currents. A CT with a rating of 500:5 will
change a primary current of 500A into a secondary current of 5A; similarly the same CT will converter a
primary current of 250A to a secondary current of 2.5A. The CTs are specified according to the maximum
inverter voltage, type of distribution service, wire size and number of wires. Split core or solid core CTs
can be used.
CTs must all be identical for the system to operate.
CT Location
The location of CTs can vary depending on the site. They should be placed in the same general location
as voltage taps (i.e. same side of the transformer) and in a location that captures all intended
production. Service panels and AC disconnect cabinets typically supply ample space and weather
protection for CTs. If uncertain about CT placement, contact AlsoEnergy support.
4.3.2 Current Transformer Installation Guide
Proper installation of Current Transformers (CTs) is
crucial to the operation of any meter:
1) Always observe the voltage and current
relationship. In a three-phase system, it is
imperative that the CTs match voltage from the
same phase, i.e., the CT installed on phase A,
must be wired to I11, I12 and the voltage from
this phase must be wired to V1 and so on.
2) It is highly recommended to label the CTs wire
leads before pulling the wire through conduit;
this will help prevent a mismatch of the in
installed phases.
3) Observe the orientation of the CT on the wire.
Each CT is labeled with a dot or marking “H1”.
This side must face the source — some CTs
show an arrow indicating the current direction. If
Figure 4-5. CTs should be oriented with the
the CTs are installed in reverse, the power
dot facing the source.
measurements will be of the opposite sign!
4) Observe the polarity of the CT wiring into the input terminals. X1 of each CT must be wired to
the I11, I21, I31 terminals respectively. For other manufacturers' CTs, please refer to the CT
labeling or associated documentation.
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General Installation Guide
5) 5A output CTs should always be wired into a shorting block mechanism to provide a method of
shorting the CTs for maintenance & safety purposes. Once properly installed, make sure the
shorting bars are retracted or removed to supply proper signal to the meter.
6) CTs must be mounted on rated insulated conductors.
4.3.3 Identifying Swapped phases.
If two CTs are on the wrong phases, this will show in a power factor of 0.5 on two of the phases.
Additionally, there are status indicator LEDs that can alert the user to this condition. These Current and
Power indicators are outlined below. For a full description of LEDs status indicators see the WattsOn
Mark II user guide here: https://www.elkor.net/pdfs/WattsOn-Mark_II_Manual.pdf
Code
Description
Solid Green LED
Solid green indicates that current is present.
If voltage is present, solid green indicates that active power (kW) is being imported
Blinking Green LED
Blinking green indicates that power is being exported. (Voltage must be present).
Blinking Red LED
Solid red indicates that active power (kW) is being imported, but absolute reactive
power (kVAR) exceeds absolute active power (kW). (Voltage must be present).
Blinking red indicates that active power is being exported, but absolute reactive power
(kVAR) exceeds absolute active power (kW). (Voltage must be present).
LED off
By default, the LED is off when the current is less than 0.1% of the full-scale input.
Solid Red LED
4.3.4 Extending CT Leads to the Revenue Grade Meter
AlsoEnergy recommends CT lead lengths be less than 20ft. If CT leads are extended without considering
the burden, CT output may flat-line before the max CT amperage is reached.
If CT leads need to be extended to the meter, use the chart below to determine the maximum
recommended distance based on CT wire gauge. The CT VA rating reflects the maximum allowable
power on the CT secondary before the CTs rated accuracy the . The length specifies the total distance
between the Elkor meter and the CT, considering the total burden of the CT leads in both directions.
Table 4-3. CT VA Rating
Wire AWG
20
18
16
14
12
CT VA Rating
(found on CT label or datasheet)
2.5
7.5
10
15
25
Ohms/ft
0.01015
4.7ft 14.5 19.5
29.3
49.0
0.00639
7.4
23.1 30.9
46.6
77.9
0.00402
11.8 36.7 49.1
74.0
123.8
0.002525 18.8 58.4 78.2
117.8 197.0
0.001588 29.9 92.9 124.4 187.3 313.3
35
68.7
109.2
173.5
276.2
439.2
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General Installation Guide
4.3.5 Fusing of Revenue Grade Meter Voltage Taps
Per NEC requirements and good practice, the input voltage lines should be protected. In some cases, the
voltage may be tapped off existing fuses or breakers. If this is not possible, Elkor recommends a 1A or
lower fuse (fast-acting) for the protection of the installation wiring. The WattsOn voltage inputs are high
impedance (> 1.5MΩ) and draw negligible current (less than 0.3mA max)
4.3.6 Revenue Grade Meter Wiring Guide
The terminal blocks inside the AlsoEnergy
communications enclosure are labeled
according to Table 4-4:
Table 4-4. Revenue Grade Meter Wiring
Table 4.4. Revenue Grade Meter Wiring
Meter # and Terminal Block
Phase Voltage Taps #1
#2
#3
L1 / A
V1
40
50
60
L2 / B
V2
41
51
61
L3 / C
V3
42
52
62
N
N
43
53
63
Meter # and Terminal Block
Phase CT
#1
#2
#3
L1 / A
I11
44
54
64
I12
45
55
65
L2 / B
I21
46
56
66
I22
47
57
67
L3 / C
I31
48
58
68
I32
49
59
69
4.3.7 CT Shorting
To service the CTs it is necessary to remove the high current path from the working area. This may be
accomplished by shorting the contacts as seen in Figure 4-1-1
Figure 4-1-1 Feed-Through block with CT shorting pins
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General Installation Guide
Typical Meter Installation
The wiring configurations for four-wire (wye) systems and three-wire (delta) systems are described in
figs. 4-6 and 4-7, below.
Figure 4-6. Four-wire (wye) wiring diagram.
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General Installation Guide
Figure 4-7. Three-wire (delta) wiring diagram.
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General Installation Guide
4.4 Cell Modem and Antenna Installation
This section describes how to connect and start the Sierra Wireless RV50 cell modem. It also lays out the
front panel LEDs and I/O functionality. For full reference, please visit https://source.sierrawireless.com/
Note:
Field wiring and connections in hazardous locations must be connected per the wiring methods
requirement for Class 2 circuits per the National Electric Code and the Canadian Electric Code.
Modem Accessories
• A SIM Card, typically loaded by AlsoEnergy
• Cellular antenna
4.4.1 Install Overview
1. Connect Antenna
2. Connect ethernet cable
3. Connect power
4. Observe LED, check if the logger is communicating
RV50 Power
The RV50 supports a voltage range between 7 V and 36 V and is designed for both 12 VDC and 24 VDC
electrical systems.
Check the gateway operation
When power is supplied to the AirLink RV50 gateway, it powers up automatically, as indicated by the
flashing LEDs. If it does not turn on, ensure that the:
• The power connector is plugged in
• The power connector is plugged in and supplying voltage between 7 V
and 36 V
• Ignition Sense (pin 3) is connected to the battery or power source
4.4.2 Troubleshooting power and connectivity issues
The following lays out best practices for troubleshooting the connectivity issues
as well as a description of the indicator LEDs.
1)
2)
3)
4)
Verify that the antenna is mounted outside of the metal enclosure
Using the Single Line Diagram, verify the wiring is correct.
Verify that the location of the antenna allows for good signal strength.
Consult Table 4-0 below for a description of fault LEDs.
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General Installation Guide
Table 4-0 RV50 LED
LED
Color/Pattern
Power
Off
Solid Green
Power is present.
Green with
Amber Flash
Solid Red
Power is present, and the gateway has a GPS fix.
Flashing Green
Solid Green
Solid Amber
When you press the reset button, flashing green indicates when to
reset the reset button to reboot the gateway.
When you press the reset button, flashing red indicates when to
release the reset the gateway to the factory default settings.
Good signal (equivalent to 4-5 bars)
Fair signal (equivalent to 2-3 bars)
Weak signal (equivalent to 1 bar) If possible, move the gateway to a
location with a better signal.
Inadequate (equivalent to 0 bars) it is recommended to move the
gateway to a location with a better signal.
Connected to an LTE network
Connected to a 3G or 2G network
Flashing Green
Connecting to the network
No network
available
Flashing
Red/Amber
Flashing Green
No network available
Flashing Red
Traffic is being transmitted or received over the serial port. This
behavior only appears if the RV50 is configured to display it.
Traffic is being transmitted or received over both the WAN interface
and the serial port. This behavior only appears if the RV50 is
configured to display
Radio Module reconfiguration/firmware update or Network Operator
Switching is in progress
ALEOS Software update is in Progress
Flashing Red
Signal
Solid Green
Solid Amber
Flashing Amber
Flashing Red
Network
Activity
Flashing Amber
ALL
Description
No power or input voltage >= 36VDC or =< 7VDC
Green LED chase
Amber LED
Chase
Standby mode
Network Operator Switching is enabled, but the gateway is unable to
locate the required firmware.
Traffic is being transmitted or received over the WAN interface
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General Installation Guide
4.5 AlsoEnergy Weather Stations
AlsoEnergy standard weather stations have the capability of monitoring module (panel) temperature,
ambient temperature, solar irradiance, and wind speed and direction. Optionally, humidity, barometric
pressure, and rain gauges can be added.
4.5.1 Installation Recommendations
• Apogee pyranometers come equipped with 20 meters of cable. Make sure the weather station
enclosure is installed within 20 meters of the pyranometer mounting location.
• Kipp and Zonen, LiCor and Hukselfux pyranometers come equipped with 10 meters of cable. Make
sure the weather station enclosure is installed within 10 meters of the pyranometer mounting
location.
• Mount the ambient temperature sensor on a north-facing location that is never in direct sunlight
• Install the module temp sensor in the centered on a cell in the middle of a module on the
underside.
• Make sure the adhesive used for the sensor module is rated for up to 180° F. AlsoEnergy
recommends high-temperature epoxy.
• Outdoor shielded Cat. 5 can be used to extend temp sensors a maximum of 300ft. All splices need
to be made inside a weather-tight enclosure.
• Sensor leads for analog pyranometers, and wind sensors should not be extended, as extending
the leads will effect the measured output.
For splicing sensors to outdoor shielded Cat. 5, AlsoEnergy recommends using filled
3M Scotchlok Connectors. These will make a liquid-tight connection for the
minimal voltage signals.
Pyranometer Mounting
Depending on the desired use of the pyranometer data, there are two prevailing mounting orientations:
Plane of Array (POA):
For systems with only one pyranometer, AlsoEnergy recommends mounting the pyranometer on top of
the north side of the array at the same angle as the panels. This orientation allows for the most accurate
calculation of the predicted site power output. The pyranometer must not be shaded at any time of the
day.
Global Horizontal Irradiance (GHI)
A pyranometer mounted for GHI should be mounted above any surrounding obstructions to prevent
shading. It should also be mounted away from any light-colored or reflective walls that are likely to reflect
light on it. It should also be mounted completely level in all directions.
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General Installation Guide
4.6 Standard Weather Station
All sensor wires should be brought into the enclosure through the
bottom with liquid-tight strain relief. The weather station
communicates to Port 2 of the data logger over Modbus and has a
preconfigured address using the DIP switches.
After power-up, the weather station should have one LED blinking
green. The two yellow lights will blink when data is being transmitted
and received, about every 3 minutes.
4.7 Remote Enclosure Mounting and Connecting
If needed, the weather station card can be in a remote enclosure.
Mount the remote enclosure following these distance guidelines:
•
•
Less than 1000 ft. from the communications enclosure
Less than 20 ft. from the pyranometer mounting location
The remote enclosure requires the following connections from the main communications enclosure which
can be carried through a single run of outdoor shielded Cat.5 cable. All connections are made on DIN
mounted terminal blocks.
Table 4-5. Terminal wiring guide for remote enclosures.
Wire Color
Main
Enclosure Remote
Terminal
Terminal
Orange and
6
6
Orange/White
Green and
7
7
Green/White
Blue/White
15 / 25 / 35
15 / 25 / 35
Enclosure Function
24V(+)
24V(-)
Data+
Blue
16 / 26 / 36
16 / 26 / 36
Data-
Brown
14 / 24 / 34
14 / 24 / 34
Data ground
Note: 2X and 3X numbers are used when there are multiple data loggers onsite.
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General Installation Guide
4.8 Standard Weather Station Sensor Installation and Connections
The connections are made on the screw terminals from left to right while following the sections below.
Figure 4-8. Weather station sensor terminals. The farthest row contains the odd-numbered pins.
Anemometer - Wind Speed and Direction
Follow the directions that come with the anemometer to assemble and mount the sensor. Make sure to
position the anemometer mount pointing north. Connect the anemometer to the correct terminals on
the weather station per the table below.
Table 4-6. Terminal wiring guide for the anemometer.
Wire Color Terminals
Function
Green
WDI (P10)
Direction
Red
Yellow
Black
AGND (P11)
Ground
WD REF (P12) 2.5VDC
WSI (P14)
Speed
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General Installation Guide
Module Temperature Sensors: Mounted in the BAPI Enclosure
Mount the BAPI enclosure and extend the module temperature sensor to the center of a cell in the middle
of a module on the backside. Make sure the adhesive used for the sensor module is rated for up to 180°
F. AlsoEnergy recommends high-temperature epoxy. Plug any holes in the BAPI Enclosure to make it
weather tight.
Note: Do not splice or extend the sensor wire. It has been calibrated
to provide accurate measurements. The wire leading to the
weather station can be extended up to 500ft using 22AWG wire.
Inside the cover are red and black wires which must be extended to
the weather station enclosure. AlsoEnergy recommends using
outdoor shielded Cat 5 and splicing with filled 3M Scotchlok
Connectors. Connect the module temperature sensor to the correct
terminals on the weather station with the table below.
Table 4-7. Terminal wiring guide for the module temp sensor.
Wire Color Terminals
Function
Red
+24V Out (P1)
+24V
Black
MOD TEMP (P4) Signal
Ambient Temperature Sensor Mounted in a BAPI Enclosure
This air temperature sensor is designed to be mounted outdoors. The UV-resistant plastic shield keeps
the sensor protected from weather and sunlight and allows for excellent air circulation.
Note: Do not splice or extend the sensor wire. It has been calibrated to provide accurate
measurements. The wire leading to the weather station can be extended as needed.
Mount the BAPI enclosure in a north-facing, always-shaded location with the sensor
pointing down. Plug any holes in the enclosure to make it weather tight. Inside the
cover are red and black wires which must be extended to the weather station
enclosure. AlsoEnergy recommends using outdoor shielded Cat 5 and splicing with filled
3M Scotchlok Connectors. Connect temp sensor wires to the terminals on the weather
station per the table below.
Table 4-8. Terminal wiring guide for the ambient temp sensor.
Wire Color Terminals
Function
Red
+24V Out (P2)
+24V
Black
AMB TEMP (P6) Signal
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General Installation Guide
CMP Pyranometer with Mounting Bracket
Mount the pyranometer using the included brackets and mounting hardware. Mount the pyranometer
with the wire pointing north, minimizing sun exposure. See Section 4.4.1 for specifics on the mounting
location. Connect the pyranometer to the correct terminals on the weather station per the table below.
Table 4-9. Terminal wiring guide for CMP pyranometer.
Wire Color Terminals
Function Mounting
Black
Chassis Ground Shield
POA
Blue
AGND (P7)
Return
POA
Red
PYR (P8)
Signal
Black
Chassis Ground Shield
GHI
Blue
Red
AGND (P11)
WDI (P10)
GHI
GHI
Return
Signal
POA
Apogee Pyranometer with Mounting Bracket
Mount the pyranometer using the included brackets and mounting hardware. See Section 4.4.1 for
specifics on the mounting location. Connect the pyranometer to the correct terminals on the weather
station per the table below.
Table 4-10. Terminal wiring guide for Apogee pyranometer.
Model: SP-110
Wire Color
Clear
Black
Terminals
Chassis Ground
AGND (P7)
Function
Shield
Return
Mounting
POA
POA
Red
Clear
PYR (P8)
Chassis Ground
Signal
Shield
POA
GHI
Black
Red
AGND (P11)
Return
WDI (P10)
Signal
Model: SP-212 / 201
GHI
GHI
Wire Color
Clear
Terminals
Chassis Ground
Function
Shield
Mounting
POA
Green
AGND (P7)
Return
POA
White
Clear
PYR (P8)
Chassis Ground
Signal
Shield
POA
GHI
Green
White
AGND (P11)
WDI (P10)
Return
Signal
GHI
GHI
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General Installation Guide
LI-COR Pyranometer with Mounting Bracket
Mount the pyranometer using the included brackets and mounting hardware. Mount the pyranometer
with the wire pointing north. See Section 4.4.1 for specifics on the mounting location. Connect the
pyranometer to the correct terminals on the weather station per the table below.
Table 4-11. Terminal wiring guide for LI-COR pyranometer.
Wire Color
Terminals
Function Mounting
Clear Jacket AGND (P7)
Return
POA
Braid
PYR (P8)
Signal
Clear Jacket AGND (P11) Return
Braid
WDI (P10)
Signal
POA
GHI
GHI
Hukseflux SR-20, SR-20-T2 Pyranometer with Mounting Bracket
Mount the pyranometer using the included brackets and mounting hardware. Mount the pyranometer
with the wire pointing north. See Section 4.4.1 for specifics on the mounting location. Connect the
pyranometer to the correct terminals on the weather station with the table below.
Table 4-12. Terminal wiring guide for Hukseflux pyranometer.
Wire Color
Terminals
Function Mounting
Black
Chassis Ground Shield
POA
Green (Blue) AGND (P7)
Return
POA
White
PYR (P8)
Signal
POA
Black
Chassis Ground Shield
GHI
Green (Blue) AGND (P11)
Return
GHI
White
WDI (P10)
Signal
GHI
Heater Wiring (SR20-T2 models only)
Brown
18
Heater
Yellow
19
Heater
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General Installation Guide
Hukseflux SR-20-D2 Pyranometer with Mounting Bracket
This sensor communicates via Modbus independently from the AlsoEnergy weather station digitizer.
Mount the pyranometer using the included brackets and mounting hardware. Mount the pyranometer
with the wire pointing north. See Section 4.4.1 for specifics on the mounting location. Connect the
pyranometer to the correct terminals on the weather station with the table below.
Table 4-13. Terminal wiring guide for Hukseflux pyranometer.
Wire Color Terminals
Function Mounting
Red
24V+ (6)
V+
POA, GHI
Blue
24V- (7)
VPOA, GHI
Black
Chassis Ground Shield
White
Green
Data+ (15)
Data- (16)
POA, GHI
RS-485+ POA, GHI
RS-485- POA, GHI
Hukseflux SR-30 Pyranometer with Mounting Bracket
This sensor communicates via Modbus independently from the AlsoEnergy weather station digitizer.
Mount the pyranometer using the included brackets and mounting hardware. Mount the pyranometer
with the wire pointing north. See Section 4.4.1 for specifics on the mounting location. Connect the
pyranometer to the correct terminals on the weather station with the table below.
Table 4-14. Terminal wiring guide for Hukseflux pyranometer.
Wire Color Terminals
Function Mounting
Brown
24V+ (6)
V+
POA, GHI
Black
24V- (7)
VPOA, GHI
Yellow
White
Grey
Chassis Ground Shield
POA, GHI
Data+ (15)
RS-485+ POA, GHI
Data- (16)
RS-485- POA, GHI
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General Installation Guide
Relative Humidity Sensor Mounted in a BAPI Enclosure
The relative humidity sensor is designed to be mounted outdoors. The UV-resistant plastic shield keeps
the sensor protected from weather and sunlight and allows for excellent air circulation.
Mount the BAPI enclosure with the sensor pointing down. Plug any holes in the
enclosure to make it weather-tight. Inside the cover are red and black wires which
must be extended to the weather station enclosure. AlsoEnergy recommends using
outdoor shielded Cat 5 and splicing with filled 3M Scotchlok Connectors. Connect
humidity sensor wires to the terminals on the weather station per the table below.
Table 4-15. Terminal wiring guide for relative humidity sensor.
Wire Color Terminals
Function
Red
+24V Out (P1)
+24V
Black
MOD TEMP (P4) Signal
Barometric Pressure
This barometric pressure sensor is designed to be mounted indoors and is usually
mounted and wired in the remote weather station enclosure prior to shipping.
If the barometric pressure sensor is field installed, connect the sensor wires to the
terminals on the weather station per the table below.
Table 4-16. Terminal wiring guide for the barometric pressure sensor.
Wire Color Terminals
Function
Red
+24V Out (P2)
+24V
White
AMB TEMP (P6) Signal
Rain Collector
The rain collector is designed to be mounted outdoors on a level surface,
away from overhead obstructions and any object that is attracted to a
magnet. An unobstructed path for water runoff from the drain screen is
also needed. Connect the rain collector wires to the terminals on the
weather station per the table below.
Table 4-17. Terminal wiring guide for rain collector.
Wire Color Terminals
Function
Red
D1 (P16)
N/O
Green
AGND (P15) Ground
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General Installation Guide
IMT - Silicon Irradiance Sensor
Silicon irradiance sensors (Si sensor) is a cost-effective,
but rugged and reliable solution for the measurement of
solar irradiance, especially for the monitoring of
Photovoltaic (PV) systems.
Setup and mounting
The reference cell is to be mounted directly to the array,
see mechanical drawing for exact bolt pattern, Figure 49. The reference cell is designed to accommodate one auxiliary temperature (ambient or module) and
one wind speed sensor. Dual temperature sensors are not supported. If a temperature sensor is to be
used it should be mounted to the back of the reference cell away from the edge of the array.
Table 4-18. IMT wiring scheme
IMT Device Cable
Wire Color
RED
BLACK
BROWN
ORANGE
BLACK (THICK)
Signal
SUPPLY POWER POSITIVE
SUPPLY POWER NEGATIVE
RS484 DATA +
RS484 DATA SHIELD
Figure 4-9 Mechanical drawing of IMT reference sensor
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General Installation Guide
5.0 Installation Verification and Operation
After all the connections have been made, the Internet is connected and active at the data logger, and
power is on to the whole system, please call AlsoEnergy for installation verification. If there are any issues
with the installation, see Section 6 – Troubleshooting, or call AlsoEnergy Support.
6.0 Troubleshooting
This section provides steps in solving a known problem in the monitoring system. Contact AlsoEnergy for
verification of the monitoring system after the Internet is connected at the data logger and site power is
on.
6.1 Elkor Mark II Meter
6.1.1 Elkor Mark II Status Indicators
PWR – Green ‘power ON’ LED indicates the presence of power supply to the transducer.
DIAG – Red Wiring Diagnostic LED
• LED will flash quickly (10 times per second) if the voltage inputs are below the 20V threshold.
• Repeating Double-Flash: Hardware error (contact Elkor for support)
6.2 PowerLogger 1000
6.2.1 Screen Calibration
If there are issues with the touchscreen interface, screen calibration can be accessed by tapping the screen
3 times during startup.
6.2.2 No PowerTrack Connection
Check the Last Upload and Last Heartbeat on the main screen. The device should heartbeat every 3-5
minutes. If not, there is likely a network configuration issue or cable issue.
•
•
•
Select Network. Net Type should typically be DHCP. If set to static, ensure that the logger’s IP
address, subnet mask, and gateway match the information on the single-line diagram.
Check that the cell modem or other Internet connection is online.
Check cable.
6.2.3 RS-485 Devices Not Responding in PowerTrack
• Navigate to Utilities -> Port Tools > Port Scan.
• Select Baud Rate 9600, press Start. The output will show “OK”
for any device addresses that have been detected on the bus.
o If “ERR” shows for a device that should be detectable,
there is probably a physical layer issue, e.g., wiring.
Check the RS-485 bus.
o If “OK” but no device in PowerTrack after 30 minutes,
contact AlsoEnergy Support.
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6.3 MOXA Data Logger
6.3.1 MOXA Data Logger Lights
Use the following table to understand the lights on the data logger.
Name
Power
SD
Port 1 Transmit
Indication
Green
Green
Green
Port 1 Receive
Yellow
Port 2 Transmit
Green
Port 2 Receive
Yellow
Network Connection Link
Green
Yellow
Network Connection Activity Green
Diagnostic Network Link
Green
Yellow
Diagnostic Network Activity Green
Condition
Solid
Solid
Flashing
1/minute
Flashing
1/minute
Flashing
1/minute
Flashing
1/minute
Solid
Solid
Flashing 1/min
Solid
Solid
Flashing 1/min
Description
Data Logger Powered ON
SD Card Present
Transmitting to Devices
Connected to Port1
Receiving from Devices
Connected to Port1
Transmitting to Devices
Connected to Port2
Receiving from Devices
Connected to Port2
100Mb link Established
10Mb link Established
Data Transfer
100Mb link Established
10Mb link Established
Data Transfer
6.3.2 MOXA Data Logger Beeps
The data logger will beep on power-on (two short beeps) and after about one minute of operation (three
short beeps). Other beeps alert the user to possible problems.
Beeps
Two Short
Three Short
Two Long
Three Long
Four Long
One Long, Two Short
Two Long, Two Short
Condition
Power On
Startup Complete
No Network
No IP
AlsoEnergy.com Failed
IP Issue Resolved
SD Card Not Detected
Description
Power-On Self-Test Passed
Startup has Succeeded
Check Cable and Network Connection
Unable to Obtain IP Address
Check Status of Network and DNS
Data Logger Resolved IP
Remove Power, Cycle SD Card Seating, Restart
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6.4 Data Logger Power Issues
6.4.1 Verify AC Power at DIN Mounted Circuit Breaker
• Using a voltmeter, check if AC power is present. Refer to the supplied single-line drawing.
• If AC power is not present, check the status of feeder fuses and circuit breakers.
• Otherwise, refer the issue to a licensed electrician.
6.4.2 Verify DC Power at Data Logger
• Using a voltmeter, verify 12-24VDC is present on the data logger, and meters. Check DIN mounted
power supply for green status light. Refer to the supplied single-line drawing.
• If DC power is not present, check the breaker in the terminal block.
• If the breaker is good, disconnect AC power and disconnect all loads. Reconnect AC power. If DC
power is still not present on the output of the power supply, replace the power supply.
• Otherwise individually reconnect DC power to each load until the faulty load is identified.
6.5 Data Logger Does Not Communicate with an End Device
•
•
•
•
•
•
Refer to the supplied single-line drawing.
Verify power at the device.
Verify Modbus wiring to the device.
o If channels appear correctly arranged, but there is still no communication, attempt to
switch the RS485 lines. Note the starting configuration.
Verify device Modbus address and communication parameters.
Refer to the appropriate installation document supplied by AlsoEnergy for inverter configuration.
If this does not resolve the communication problem, contact AlsoEnergy to troubleshoot the
device.
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6.6 RS-485 Modbus Troubleshooting
Most problems are caused by improper or broken wiring. If you have a daisy chain of devices and only
the first three are showing up, then there is likely a problem at device three or at device four.
1. Verify the Modbus connections are secure, and enough insulation is removed.
2. If using solid-strand wire, verify that the wires are not broken in insulation.
3. Verify that devices are daisy-chained and not in a star configuration, i.e. maximum of two wires
on any terminal.
4. Verify the data logger is powered up.
5. If the RS-485 cable length is longer than 30 feet, verify that shielded cable is used, and the shield
is grounded at only one end.
6. If a device does not respond, try reversing data+ and data- to see if the device will respond. (no
damage will occur)
7. Make sure the port card is properly connected to the device(s).
8. Proper grounding should be observed over longer runs/noisy environments.
9. Often devices will specify the terminal connections as A/B instead of +/-. Usually, A is connected
to
– and B is connected to +. However, there may be an instance where this is reversed. Check
the user manual of the device(s) in question.
10. Make sure that each device is assigned a unique address, and that the address of the unit in
question is identical to the configuration as shown on the single-line diagram.
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6.7 Weather Station
The AlsoEnergy Weather Station consists of sensors that connect to an
integrated Signal Conditioner / Digitizer. The digitizer connects to the
AlsoEnergy Data Logger via a Modbus connection.
6.7.1 Weather station communication issues
• Check the data logger is working
o Power light is illuminated
o SD and Modbus lights flash when in use
• Check the Power light on the weather station
• Check Modbus Address
• Check RS-485 connection, + to +, - to • Check that Receive and Transmit lights flash
6.7.2 Weather Station sensors
If the weather station is communicating, but sensor readings are wrong, check the sensor
troubleshooting listed below.
- Temperature Sensors
• Measure the voltage between the terminals where the sensor is connected. It should be between
+18 and +22 VDC. If it is not, replace the signal conditioner / digitizer assembly.
- Ambient Temperature (4-20mA, -29°C to 49°C)
• Voltage test to determine if the sensor is malfunctioning:
o Measure the voltage between the terminals where the sensor is connected.
o The voltage should be about 4.2V at 80° F. If the voltage is less than 1V, the sensor is not
connected, or needs to be replaced. If the voltage is higher than 5V, inspect the black
card in the thermometer housing for damage. If no damage is visible swap the input from
the ambient and module to verify the location of the issue. If the high voltage follows the
thermometer, replace the temperature module. If the high voltage is stationary, replace
the digitizer and the signal conditioner.
• mA test to confirm the sensor is malfunctioning:
o Confirm wiring and splices are connected
o Place a milliamp meter in line with the return (black) wire from sensor to the GND
terminal on the conditioner card
o The meter should read around 15mA for 80 degrees F.
• If these steps do not work, please call AlsoEnergy for service.
- Module Temperature (4-20mA, -40°C to 85°C)
• Voltage test to determine if the sensor is malfunctioning:
o Measure the voltage between the terminals where the sensor is connected.
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o
•
•
The voltage should be about 3.3V at 80° F. If the voltage is less than 1V, the sensor is not
connected, or needs to be replaced. If the voltage is higher than 5V, inspect the black card
in the thermometer housing for damage. If no damage is visible swap the input from the
ambient and module to verify the location of the issue. If the high voltage follows the
thermometer replace the temperature module. If the high voltage is stationary, replace
the digitizer and the signal conditioner.
mA test to confirm the sensor is malfunctioning:
o Confirm wiring and splices are connected
o Place a milliamp meter in line with the return (black) wire from the sensor to the GND
terminal on the conditioner card
o The meter should read around 12.5mA for 80 degrees F.
If these steps do not work, please call AlsoEnergy for service.
- Wind Direction
The voltage between Wind Direction P10 GRN and P11 Red indicates the direction the wind vane is
pointing: 0V for North, 0.625V for East, 1.25V for South and 1.875V for West. If the Wind Direction is
incorrect, check the voltage between P12 YEL and P14 Blk. It should be 2.5V. If it is not, remove the P12
YEL sensor wire and re-measure P12 YEL to P14 Blk. If it is 2.5V, replace the wind vane / anemometer
assembly. Otherwise, replace the integrated weather station.
Rotate the wind vane. The voltage between wind direction P10 GRN and P11 Red should change. If it does
not, remove the sensor wire on P10 GRN and repeat the test. If the voltage changes, replace the integrated
weather station; otherwise, replace the wind vane.
- Calibrate the Wind Vane
• Slowly turn the wind direction shaft until the voltage between J4 Wind Direction GRN and Red is
zero
• Being careful to keep the stainless steel shaft from turning, place the wind vane on the shaft with
the bullet-shaped nose of the vane pointing north
• Slide the wind vane down onto the shaft as far as it will go
• Use the Allen wrench provided to tighten the set screw on the side of the wind vane
- Wind Speed
The P1 LED on the digitizer card flashes once per revolution of the anemometer cups. If it does not,
disconnect the P14 Wind Spd BLK wire. The LED should be OFF. With a short piece of wire, connect Wind
Speed terminals P11 to P14. The LED should be on. If the LED toggles, the wind sensor or its wiring is bad.
Otherwise, replace the integrated weather station.
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- Pyranometer Scale
If the scale of the pyranometer data appears to be off by roughly a scale of 10 (i.e., 120 W/m2 during full
sunlight), the gain may be off. Unscrew the two screws on the front side of the AlsoEnergy weather
station digitizer. Remove the cover and note two sets of DIP switches on the upper left side of the
board. See photo below. The leftmost pair of switches sets the channel gain for POA sensors. The
rightmost pair sets the channel gain for GHI sensors or wind sensors. Ensure that the gain is set correctly
according to the table below:
Left switch
Down
Down
Up
Up
Right switch
Down
Up
Down
Up
Gain
101
10.091
1
1
Use
Low level pyranometers (Kipp & Zonen, Hukseflux, LiCor)
High-level pyranometers (Apogee)
Wind direction input
Wind direction input
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- Apogee Pyranometer
Measure the voltage between the terminals marked J3 pyranometer SIG and RET on the signal conditioner
card. Refer to figure 2 for terminal markings. The voltage should be between 0.00V in total darkness and
0.260V DC in full sun. If it is not, disconnect the SIG lead and measure it. If the voltage does not lie between
these values, the Apogee pyranometer is defective and should be replaced. Otherwise, replace the Signal
Conditioner / Digitizer assembly.
7.0 Operations & Maintenance
At least once every 6 months:
• Check Desi pack indicators and change if necessary
• Check for water intrusion
Additionally:
• Pay subscription and data plan renewals when due (typical plans are 1 and 5 years)
• Follow recalibration recommendations for meters and sensors
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Appendix A – RJ45 Wiring Guide
Standard, Straight-Through Wiring (both ends are the same)
OR
Crossover Wiring (one end wired T568B – other end wired T568A)
Jack
Head
T568B- Standard Wiring
RJ45 Pin #
Wire Color Wire Diagram 10Base-T Signal
1000Base-T Signal
(T568B)
(T568B)
100Base-TX Signal
1
White/Orange
Transmit+
BI_DA+
2
Orange
Transmit-
BI_DA-
3
White/Green
Receive+
BI_DB+
4
Blue
Unused
BI_DC+
5
White/Blue
Unused
BI_DC-
6
Green
Receive-
BI_DB-
7
White/Brown
Unused
BI_DD+
8
Brown
Unused
BI_DD-
T568A
RJ45 Pin #
Wire Color Wire Diagram 10Base-T Signal
1000Base-T Signal
(T568A)
(T568A)
100Base-TX Signal
1
White/Green
Transmit+
BI_DA+
2
Green
Transmit-
BI_DA-
3
White/Orange
Receive+
BI_DB+
4
Blue
Unused
BI_DC+
5
White/Blue
Unused
BI_DC-
6
Orange
Receive-
BI_DB-
7
White/Brown
Unused
BI_DD+
8
Brown
Unused
BI_DD-
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Appendix B - Data Logger Networking Considerations
The data logger gathers data from devices and sends the data over the internet to a hosted database:
1. The Data Logger (DL) powers up
2. The DL gets its IP address via either DHCP or its static assigned network configuration. Contact
AlsoEnergy™ for the correct documentation for configuring the DL environment.
3. The DL resolves www.AlsoEnergy.com via DNS services.
4. The DL periodically updates its real-time clock using network time services.
5. The DL contacts AE Web Services (AEWS) supplying its MAC address and current code version.
6. The AEWS responds as:
6.1. The code is not correct. Update the program with the code that follows then reboot.
6.2. The code is correct. Configuration data follows.
7. The DL uses the configuration data to query devices connected to it.
8. The DL packetizes the received device data and sends it to the AEWS via TCP.
9. The DL sleeps for the configured length of time.
10. The DL wakes up and repeats the process at step 3.
Ports
The DL is designed to exist in a DHCP or static IP environment behind a firewall. It does not need an
external internet IP address or ports forwarded. This table shows the unique ports opened.
Inbound Ports Outbound Ports
✓
HTTP: Port 80 (TCP)
✓
HTTPS: Port (443) TCP
✓
SNTP: Port 123 (UDP)
✓
SMTP Port 25 (TCP)
FTP: Port 20 & 21 (TCP) Only if local diagnostic PC present
Telnet: Port 23 (TCP)
Only if local diagnostic PC present
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Appendix C – Connecting To AcquiSuite
1. Check to see if the AcquiSuite is connected directly to a modem (or cable run to an inaccessible location)
or to an easily accessible Ethernet switch.
1.1. If the AcquiSuite is connected directly to a modem (or a cable run to an
unknown/inaccessible networking location), continue to step 2.
1.2. If the AcquiSuite is connected to an easily accessible Ethernet switch, connect your laptop
to that same Ethernet switch, then skip to step 5.
2. Disconnect the Ethernet connection between the AcquiSuite and LAN/modem, then connect your
laptop directly to the AcquiSuite with an Ethernet cable. (not crossover cable, just a standard patch cable)
3. Check the IP address listed on the AcquiSuite. The IP address should cycle through on the screen every
minute or so.
4. Now you’ll need to adjust your Laptop’s IP configuration to match the IP settings used on the AcquiSuite
to see it in your laptop’s web browser:
4.1. Windows 10 ONLY: On your laptop, do a search for “Settings” and hit Enter to open your
Windows Settings Menu. Then click on the “Network & Internet” option. On the left side of the
screen, click “Ethernet” and then click “Change adapter options” in the top right corner. Skip to
step 4.3.
4.2. Windows 7 ONLY: From the Windows Start menu, do a search for “Network and Sharing
Center” and press enter.
4.2.1. A window like the one shown below should pop up. Click on “Change adapter settings” in
the top right, highlighted below.
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4.3. This should display a “Network Connections” window like the one shown below. Right-click on the
appropriate connection device and click “Properties”.
NOTE: The number of devices shown here will vary depending on your laptop. You should look
for a connected device called “Ethernet” or “Local Area Connection”
4.3.1. Double click on “Internet Protocol Version 4 (TCP/IPv4)” as shown below.
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4.3.2. The window shown below should pop up. Click on “Use the following IP address”
4.3.3. Next, set your computer to the same network as the AcquiSuite by inputting a unique IP
address on the same network range. For example; if the Acquisuite IP address is 192.168.50.12,
then you could set your laptop’s IP address to 192.168.50.13 or something similar. Your laptop
needs to be on the same IP range as the AcquiSuite, but cannot use the exact same address.
Lastly, click on the “Subnet Mask” field and Windows should auto-fill the appropriate subnet mask
for you. Do not worry about filling in the gateway or DNS information. Click OK and then also click
OK on the previous window from step 4.3.1.
5. Open a web browser. In the address bar at the very top of the window, type the IP address from the
AcquiSuite.
6. If all the proper steps were taken, the window below should pop up. Click on the “Click here for System
Configuration” option.
6.1. NOTE: If the window below does not appear and you see a connection error message
instead; whether you are connecting to the AcquiSuite through an Ethernet switch OR directly,
go back to step 2 and proceed from that point.
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7. A login prompt will appear. The username will be “admin” and the password should be one of the
three passwords listed below IF the device was supplied by AlsoEnergy.
7.1. The AlsoEnergy default password is “changeme”
7.2. The factory default password is “admin”
7.3. The DECK Monitoring default password is “deckXXXX” (where “XXXX” is the last 4 characters
of the AcquiSuite serial number)
Note: If the XXXX portion contains letters, they should be capitalized. The “deck” portion should
always be lowercase.
8. To ensure the AcquiSuite is uploading to the right servers, go to Log File Data > Setup / Upload as seen
below. Then add the PowerTrack or DECK server URL and password into the respective fields in Channel
1.
PowerTrack
Upload URL - http://dataobvius.alsoenergy.com/aeservlet/obvius.handler
Password - Ru4FpEf3
DECK Monitoring Upload URL - http://data.deckmonitoring.com/upload.php
Password – password
LocusNOC
Upload URL – https://data01.datareadings.com/ObviusApp/AcquiSuiteListener
Password – password
LocusNOC through an RV50 Upload
URL – http://obvius-listener-staticip.datareadings.com/ObviusApp/AcquiSuiteListener
Password – (leave password blank)
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AlsoEnergy SupportTrack
Direct access 7 days a week to best-in-class support resources and specialists
Open a case at www.alsoenergy.com/wp/support
For Onsite Appointments
If you know you are going to be onsite,
it’s best to schedule an appointment beforehand with our call center support staff.
Use our easy scheduling tool.at alsoenergysupport.setmore.com/
If you would like to schedule a site visit from an AlsoEnergy Field Technician,
please send an email to onsiteservice@alsoenergy.com.
For phone assistance
Contact us at 866-303-5668
Weekdays: 8 am – 9 pm US-EST
Weekends: 11 am – 7 pm US-EST
Software Training
For video tutorials, login to PowerTrack and go to the Help menu.
Request 1-to-1 training: alsoenergytraining.setmore.com
Explore the self-guided options with the Software Onboarding Course
kb.alsoenergy.com/article.php?id=168&oid=128
NOTE: Use your PowerTrack username and password to login to the KB.
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