The POB-AD series
COIL TESTER & POWER SUPPLY
Manual
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POB-AD series
Contents
Contents
1
Introduction……………………………………………………………………………………………...………4
1.1 Safety Instructions…………………………………………………………………………………………4
1.1.1
Safety Terms and Symbols………………………………………………………………………4
1.1.2
Terms of Use………………………………………………………………………………………4
1.1.3
Orderly Practices and Procedures………………………………………………………………4
1.1.4
Instrument Maintenance…………………………………………………………………………..5
1.1.5
Operator Qualifications……………………………………………………………………………5
1.1.6
Safe Operating Procedures………………………………………………………………………5
1.2 Power Supply……………………………………………………………………………………………….6
1.3 Intended Use………………………………………………………………………………………………..6
2 Description……………………………………………………………………………………………..………..7
2.1 Front Panel Components…………...……………………………………………………………………..7
2.2 Rear Panel Components…………………………………………………………………………………..8
2.3 Setting the POB-AD's Language………………..…………………………………….………………….8
2.4 Setting the POB-AD's Time and Date……………….………………………………..…………………9
3 Getting Started………………………………………………………………………………………..……….10
3.1 Connecting the POB-AD to a Test Object………………………………………….……….…………10
4
Setting the Test Parameter………………………………………………………………………………..11
4.1 Volt DC and Volt AC menus……………………………………………………………………………..11
4.2 MTV DC …………………………………………………………………………………………………...11
4.3 EXT DC and EXT AC menus……………………………………………………………………………13
5 Testing using the POB-AD………………….………………………………………………..……………...14
5.1 Spring-charging Motor……………………………………………………………………………………14
5.1.1 Important notes while testing with the POB-AD..………………………………….………………….15
5.2 DC Coils Testing …………………………………………………………………………………………15
5.2.1
Manual test……………………………………………………………………………………….15
5.2.2
Automatic test…………………………………………………………………………………….16
5.3 AC Coils Testing …………………………………………………………………………………………17
5.3.1
Manual test………………………………………………………………………………………..17
5.4 Using the POB-AD with a Circuit Breaker Analyzer……………………………….………………...19
5.4.1
Using the EXTERNAL connector……………………………………………………………...20
5.4.2
Using the EXT DC menu……………………………………………………………………….21
5.5 Duty Cycles………………………………………………………………………………………………..22
6 Error Messages……………………………………………………………………………………………….23
6.1 Error Message "Overcurrent"……………………………………………………………………………23
6.2 Error Message "Overheat"……………………………………………………………………………….23
6.3 Error Message "No activation"…………………………………………………………………………..23
6.4 Error Message "Malfunction"…………………………………………………………………………….24
7 Troubleshooting……………………………………………………………………………………………….25
7.1 Voltage test………………………………………………………………………………………………..25
7.1.1
DC voltage measurement check……………………………………………………………….25
7.1.2
AC voltage measurement check……………………………………………………………….25
7.2 Current test………………………………………………………………………………………………..26
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Contents
8
Customer Service…………………………………………………………………………………………..28
9
Packing the Instrument for Shipment……………………………………………………………………..28
10 Technical Data .............................................................................................................................. 29
10.1 Mains Power Supply……………………………………………………………………………………...29
10.2 Output data…………...………..…………………………………………………………………………..29
10.3 Measurement……………………………………………………………………………………………...29
10.4 Environmental conditions………………………………………………………………………………..29
10.5 Dimensions and Weight………………………………………………………………………………….29
10.6 Safety Standards………………………………………………………………………………………….29
10.7 Electromagnetic compatibility (EMC)…………………………………………………………………...29
11 Accessories……………………………………………………………………………………………………30
Manufacturer Contact Information……………………………………………………………………………….31
Manual Version: M-P0X0AD-200-EN
This Manual refers to the following POB-AD models and their corresponding firmware versions
Model
POB30AD
POB40AD
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POB-AD series
Description
1 Introduction
This manual provides helpful instructions on how to use the POB-AD series instruments.
The following instructions will help a user avoid unsafe situations, reduce maintenance costs and ensure
reliability and durability of the POB-AD series instruments.
The POB-AD series must be used in accordance with all existing safety requirements and regulations based
on national/local standards for accident prevention and environmental protection. In addition, the relevant
international standards are listed in the “Technical data” section of this document.
1.1 Safety Instructions
Safety is the responsibility of the user. Before operating the POB-AD, please read the following safety
instructions carefully.
It is not recommended to use the POB-AD (or even turn it on) without careful observation of the instructions
listed in this Manual. The POB-AD should only be operated by trained and authorized personnel.
1.1.1 Safety Terms and Symbols
Terms in this Manual. The following terms may appear in this manual:
WARNING: Warning statements identify conditions or practices that could result in injury or loss of life.
CAUTION: Caution statements identify conditions or practices that could result in damage to this product or
to other property.
Symbols on the Device. The following symbols may appear on the device:
Refer to
Manual
Protective
Earth
Terminal
1.1.2 Terms of Use
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The POB-AD shall be used only if it is in a good technical condition. Its use shall be in accordance with
local safety and industrial regulations. Adequate precautions must be taken to avoid any risks related to
high voltages associated with this equipment and nearby objects.
The POB-AD is intended exclusively for application purposes specified in the ”Intended Use” section.
The manufacturer and distributors are not liable for any damage resulting from wrong usage. The user
bears responsibility in case of not following the instructions defined in this document.
Do not remove the protective casing of the POB-AD.
All service and maintenance work must be performed by qualified personnel only.
1.1.3 Orderly Practices and Procedures

The Manual shall always be available on the site where the POB-AD is used.
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Description
Before using the POB-AD, all personnel (even personnel who only occasionally, or less frequently, work
with the POB-AD) assigned to operate the POB-AD should read this Manual.
Do not make any modifications, extensions, or adaptations to the POB-AD.
Use the POB-AD only with the original accessories provided by its manufacturer.
Use the POB-AD and its original accessories for the device’s intended use only.
1.1.4 Instrument Maintenance
The device should be kept clean in order to prevent excessive dust or other contaminants affecting its
operation. It should be cleaned with water/isopropyl alcohol after any dirt/contaminants are noticed on its
surfaces.
1.1.5 Operator Qualifications
•
•
Testing with the POB-AD should only be carried out by authorized and qualified personnel.
Personnel receiving training or any type of instructions on the POB-AD should remain under the
constant supervision of an experienced operator while working with the test set and the test object.
1.1.6 Safe Operating Procedures
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Hazardous voltages of up to 400 V can occur inside the POB-AD. Therefore, it is not permitted to
remove the protective casing of the POB-AD.
Hazardous voltages exist on the terminals of the POB-AD when the red LED is lit. Never assume that
the connections are safe even if this LED is off. Switch off and unplug the POB-AD before touching the
connections, especially if a fault is suspected.
Before putting the POB-AD into operation, check the test set for any visible damage.
Do not operate the POB-AD under wet or moist conditions (condensation).
Do not operate the POB-AD if explosive gas or vapors are present.
Only the external devices which meet the requirements for SELV equipment according to EN 60950 or
IEC 60950 should be connected to the POB-AD through the serial interface.
When setting up the POB-AD, make sure that the air slots of the test set remain unobstructed.
Removing the POB-AD protective casing will void the warranty. Any work inside the instrument without
prior authorization from DV Power will also void the warranty.
If the POB-AD seems to be malfunctioning, please contact the DV Power Support Team (refer to the
"Manufacturer Contact Information” section) after previously checking the “Error Messages” section.
Prior to connecting the POB-AD, ensure that the circuit breaker (object) to be tested is completely deenergized and isolated from both the line and the load. Every terminal should be checked and verified
before connecting the POB-AD. Ground connections may be left in place.
Do not use the POB-AD without the extra protective ground cables supplied with the POB-AD. It must
never be operated in a non-grounded configuration as this may result in an electric shock to the user or
damage to the POB-AD. Always establish this connection first before establishing any other connections
and remove this connection as the very last one.
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Description
1.2 Power Supply
•
•
•
Supply the POB-AD only from a power outlet which is equipped with the protective ground.
Besides being supplied from phase – neutral (L1-N, A-N), the POB-AD may also be supplied from phase
to phase (e.g., L1-L2; A-B). However, the voltage must not exceed 264 V AC. Please refer to the section
“Technical Data”.
The POB-AD should be positioned in such a way that it is possible to safely disconnect it from the power
supply at any moment.
WARNING / AVERTISSEMENT
This is a class A product. In a domestic environment this product may cause radio interference in which
case the user may be required to take adequate measures.
Il s'agit d'un produit de classe A. Dans un environnement domestique, ce produit peut provoquer des
interférences radio, auquel cas l'utilisateur peut être amené à prendre des mesures adéquates.
1.3 Intended Use
The Coil Tester & Power Supply (POB-AD) is designed for a circuit breaker testing. It is developed for use in
switchyards, high power and industrial environment.
Typical application area for POB-AD in testing high power circuit breakers:
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circuit breaker operation condition,
supplying of spring-charging motors,
providing a power supply in the tests involving circuit breaker analyzers,
minimum trip voltage test of circuit breaker’s coils.
Any other use of the POB-AD than the ones mentioned above is to be considered improper and will
not only invalidate all customer warranty claims but also exempt the manufacturer from its liability for repair
or exchange.
The POB-AD is intended to operate breaker coils and spring charging motors as a part of commissioning
and maintenance testing.
The POB-AD generates filtered DC or AC voltage (50Hz, 60 Hz; true RMS). It eliminates the use of
stationary batteries or converters during testing. Output voltage is selectable from 10 V to 300 V DC or 10 V
to 250 V AC (50Hz, 60 Hz; true RMS).
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Description
2 Description
2.1 Front Panel Components
Display
UP/DOWN buttons to select a
menu and define test
parameters
LEFT/RIGHT buttons
to navigate through
the active menu
STOP button to stop the test, to
acknowledge the alarm buzzer
and return to the Volt DC menu
ENTER button to change Volt DC/Volt AC/MTV DC/MTV
AC/EXT DC menu and to confirm the defined Language,
Time and Date
COILS button
Press this button to start generating a continuous
DC/AC voltage on the COIL outputs (breaking and
closing). Test voltages must be selected beforehand.
MOTOR button
Press this button to generate a DC voltage on the
MOTOR output. Test voltages must be selected
beforehand.
LEDs
C LED flashes during the COIL test, and M LED
flashes during the MOTOR test.
C and M LEDs lit continuously in case of an
operational error.
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Voltage AC/DC output
for the breaking coil
Voltage AC/DC output
for the closing coil
Voltage DC output for
the spring-charging
motor
2.2 Rear Panel Components
Power switch
Connector for the
mains power supply
I – POB-AD is turned on.
0 – POB-AD is turned off.
Device grounding connector
For protection against parasitic currents or voltages,
always connect the POB-AD’s grounding connector to
protective ground (PE). Use only the originally provided
cable.
For safety reasons, always establish this
connection as the first one before you do any other
connections, and separate this connection as the
very last one.
Ventilation
2.3 Setting the POB-AD’s Language
To set POB-AD’s language, press the LEFT button two times in order to move the cursor to the upper line,
and then UP button to select the Language menu.
Figure 2-1:
The Language menu
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Move the cursor to the bottom line using the LEFT/RIGHT buttons, and select the language of your choice
using the UP/DOWN buttons.
Pressing ENTER to confirm, brings back the Volt DC menu.
Pressing STOP to cancel, brings back the Volt DC menu.
2.4
Setting POB-AD’s Time and Date
To set the POB-AD’s internal time and date, press the LEFT button two times, and then two times UP button
to select the Time menu.
Figure 2-2:
The Time menu showing the
POB-AD’s internal time and
date
Move the cursor to the position of your choice using the LEFT/RIGHT buttons, and change the value with
the UP/DOWN buttons.
Pressing ENTER to confirm, brings back the Volt DC menu.
Pressing STOP to cancel, brings back the Volt DC menu.
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Setting Test Parameters
3 Getting Started
3.1 Connecting the POB-AD to a Test Object
Before connecting the circuit breaker to the POB-AD, make sure that:
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the breaker is disconnected or separated from its circuit on both sides in accordance to the national
safety regulations; always comply with local safety regulations when using the Coil tester & power
supply POB-AD,
the substation DC system is disconnected,
the breaker is properly grounded to the protective ground (PE),
The POB-AD itself is properly grounded. To do so, connect the grounding screw on the back of the
POB-AD’s to PE using the grounding cable.
With the POB-AD turned off, connect the appropriate cables to the breaker’s coils and spring-charging
motor.
Note: Cables between the POB-AD and other equipment are to be connected and removed ONLY
when the POB-AD is switched off.
Always connect measuring cables to the POB-AD instrument first and then to the test object;
and when disconnecting, always disconnect cables from the test object first and after that
from the POB-AD. The grounding cable PE should be disconnected last.
Otherwise a life threatening situation may occur.
The circuit breaker has to be disconnected from its circuit on both sides in accordance with
the national safety regulations; always comply with the local safety regulations when using
the POB-AD.
Figure 3-1:
Connecting a circuit breaker
coils and spring-charging
motor to POB-AD
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Setting Test Parameters
4 Setting the Test Parameters
4.1 Volt DC
Please turn on the POB-AD using the power switch on the back of the test set. The display shows the
Volt DC menu; LEDs C and M are off (Figure 4-1).
Menu name
Time
Figure 4-1:
The Volt DC menu
Spring-charging
motor’s test voltage
The DC test voltages for coils and spring-charging motor test voltage can be defined using the LEFT/RIGHT
buttons in the Volt DC menu. Their individual values can be selected using the UPIDOWN buttons.
The test voltages in Volt 50Hz and Volt 60Hz menu can be selected in the same way (Figure 4-2).
Menu name
Time
Figure 4-2:
The Volt 50Hz and
Volt60Hz menu
Coil’s test
voltage
Spring-charging
motor’s test voltage
4.2 MTV DC
This section describes how to perform the Minimum Trip Voltage test with the POB-AD device.
Turn on the POB-AD using the power switch on the back of the test set. The display shows the Volt DC
menu; LEDs C and M are off.
Press the ENTER button two times to select the MTV DC menu.
Once the MTV DC menu is selected, please define the minimum (initial) and maximum DC test voltage
along with the voltage step for the minimum trip voltage test.
To ensure that circuit breaker operation is within specifications under the most rigorous conditions placed on
the substation tripping supply, circuit breaker trip coils are designed to work with a minimum tripping voltage
much below the nominal battery voltage.
The minimum trip voltage test is described in a number of international and national standards such as IEC
56, ANSI C37.09 etc.
Minimal trip voltage test of circuit breaker’s coils could be conducted in two ways:
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Setting Test Parameters
1. Manual: Pushing the TRIG button, a pre-selected DC voltage lasting 140 ms (milliseconds) is brought to
the selected coil. Voltage value is increased manually until the coil is actuated.
2. Automatic: In the MTV DC menu, by pushing TRIG button a pre-selected minimal DC voltage is brought
to a desired coil, lasting 100 ms.
If the coil is not actuated, after 900 ms of waiting time, the voltage is automatically increased for a preselected step (value 1 V to 19 V), and the instrument repeats this procedure.
Test could have two possible outcomes:

The coil is actuated; in which case the voltage and maximum current are registered,

The maximum pre-selected test voltage is reached without coil actuation, which is indicated by "No
activation" message at the display, and announced by sound and light alarm.
The POB-AD is designed to be used as an independent instrument or to provide a power supply in a
combination with the Circuit Breaker Analyzer. When working with a Circuit Breaker Analyzer, the POB-AD
and Circuit Breaker Analyzer should be connected using the EXTERNAL connector on the front panel of the
POB-AD.
The motor and coil voltage should be selected in the Volt DC and Volt 50Hz/ Volt 60Hz menus. By pressing
the MOTOR button, a breaker spring is charged. By pressing the COILS button, a pre-selected voltage is
generated at the coil outputs. The coils are triggered from the Circuit Breaker Analyzer. The POB-AD
instrument serves as a voltage supply in this case. The voltage is generated at the coil outputs until the
STOP button is pushed.
Spring-charging motor is tested in the following way:
- a pre-selected DC voltage from the POB-AD is brought to the motor terminals (maximum currents, and
their duration data are described in the 5.5 section „Duty Cycles").
- after the motor supply from the instrument motor terminals stops, the POB-AD will automatically switch to
the Result menu. The display will show total time of the test duration as well as the maximum current value
reached in that period. It will not display the startup motor current. This behavior will occur only if the current
reached a value of 500 mA or higher. In case the test current recorded was bellow 500 mA, the device will
show no results in the Result menu. It will behave as the test has not been performed at all.
Time
Menu name
Figure 4-3:
The MTV DC menu
Test
parameters
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Setting Test Parameters
Using the LEFT/RIGHT buttons move the cursor on the display to the position of Umin (start) and Umax
(end) voltage level (here 10,0 V and 40,0 V), and voltage step fields (here 1,5 V), then using UP/DOWN
buttons select desired values in each of them.
4.3 EXT DC menu
The Ext DC menu is used for setting up the coils and spring-charging motor voltage values on the POB-AD
when using the External Connector on the device. The External Connector is used to bring the triggering
signal from another device (usually a Circuit Breaker Analyzer). The connection is done using the External
Trigger Cable.
Turn on the POB-AD using the power switch on the back of the test set. The display shows the Volt DC
menu; LEDs C and M are off.
Press the ENTER button four times to select the Ext DC menu.
Using the LEFT/RIGHT buttons in the Ext DC menu, select the DC test voltage fields for coils and springcharging motor. To select the appropriate values for each of them use the UPIDOWN button.
Figure 4-4:
The Ext DC menu
Menu name
Time
Test
parameters
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Testing Using POB-AD
5 Testing using the POB-AD
5.1 Spring-charging Motor
Turn on the POB-AD using the power switch on the back of the test set. The display shows the
Volt DC menu; LEDs C and M are off.
Before the test can be started, a test voltage needs to be defined using the Volt DC or Volt 50Hz/Volt 60Hz
menu (Figure 4-1 or 4-2).
Motor voltage can be selected in the range from 10 V to 250 V DC. Press the MOTOR button to start a test.
The output DC voltage is generated supplying the motor at the pre-selected value, and the POB-AD
displays the MOTOR menu. During the test, LED M flashes and the display shows voltage and current
values as well as the test duration time.
Figure 5-1:
The MOTOR menu
during the test
Once the test is finished (the test current drops to zero), the POB-AD shows the Result menu.
Figure 5-2:
The Result menu
The display shows the DC voltage value reached, maximum current (not the starting peak current) and test
duration time. LED M is switched off.
After 5 sec time delay the POB-AD automatically changes the display from the Result to the Volt DC or Volt
50Hz/Volt 60Hz menu display (depending on the menu being used).
To stop the test at will, press the STOP button at any time during the test. The POB-AD goes
into the Result menu, indicating a DC voltage value reached, maximum current (but not the
starting peak current) and test duration time. LED M is off.
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Testing Using POB-AD
5.1.1 Important notes while testing with the POB-AD
Note: For XXX seconds the POB-AD generates the predefined voltage value on the Motor outputs. After
successfully exceeding 500 mA the POB-AD treats the test as successfully performed and displays the
voltage and current values reached at the end as well as duration time of the test. These values will be
presented on the display for 6 seconds and after that the display reverts to the previous menu.
In case the level of 500 mA has not been reached, the POB-AD treats the test as unsuccessful, the POB-AD
shows no results on its display and the test has to be repeated.
In case the motor charging process has been interrupted (e.g. loss of a connection or other reason) the
POB-AD will present the last recorded voltage value and test duration time for 6 seconds and after that
revert to the previous menu. The test has to be repeated.
Note: If the COIL button has been pressed while the POB-AD is generating the voltage on the motor
outputs (no current is present on the MOTOR outputs), the POB-AD will switch off the motor outputs and
start to generate predefined voltage on the COIL outputs (breaking and closing). The COIL menu will be
displayed (Figure 5-3) indicating the voltage value. To stop the test at will, press the STOP button at any
time during the test.
Note: If any of the TRIG buttons have been pressed on the breaking/closing outputs, while the POB-AD is
generating a predefined voltage on the motor outputs (no current is present on MOTOR outputs), the POBAD will switch off the motor outputs and generate a predefined voltage impulse lasting 140 ms on the
corresponding COIL outputs (breaking or closing). The COIL menu will be displayed (Figure 5-3) indicating
the voltage value. After the voltage impulse is generated, the POB-AD will continue generating voltage on
the motor outputs. To stop the test at any time, press the STOP button.
5.2 DC Coils Testing
The minimum trip voltage test of the circuit breaker’s coils can be performed manually or automatically.
5.2.1 Manual test
Turn on the POB-AD using the power switch on the back of the test set. The display shows the Volt DC
menu; LEDs C and M are off.
Before a test can start please define the test voltages using the Volt DC menu (Figure 4-1) as described in
the Section 4.1.
By pushing the TRIG button on the breaking/closing outputs, pre-selected DC voltage lasting 140 ms is
brought to a desired coil. During the test, the LED C flashes, the POB-AD displays the COIL menu
indicating the generated voltage value (Figure 5-3), and then returns to the Volt DC menu.
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Testing Using POB-AD
Figure 5-3:
The COIL menu
during the DC test
If the coil is actuated, the POB-AD displays the Result menu, showing activating voltage and maximal
current achieved during the test (Figure 5-4).
Figure 5-4:
The Result
menu after the
DC test
If the coil failed to actuate, please select the higher value for the voltage in the Volt DC menu (Figure 4-1)
and repeat this operation.
The test can be aborted at any time by pressing the STOP button. In that case the POB-AD displays the
Volt DC menu and LED C is turned off.
The POB-AD can also be used as a source of continuous DC voltage. This option is available when using
the POB-AD as a standalone device or in a combination with other test devices (DV Power or other
manufacturer devices).
The user defines the voltage value using the Volt DC menu as described in the Section 4.1. Use the
LEFT/RIGHT buttons to move to the desired test voltage value. Use the UPIDOWN buttons to select the
test voltages for coils.
By pressing the COILS button, continuous pre-selected DC voltage is generated on the COIL
outputs. The LED C flashes to indicate the DC voltage is generated.
5.2.2 Automatic test
Turn on the POB-AD using the power switch on the back of the test set. The display presents the Volt DC
menu; LED C and M are off.
Pushing the ENTER button three times will bring the MTV DC menu (Figure 5-5).
Figure 5-5:
The MTV DC
menu
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Testing Using POB-AD
Using the LEFT/RIGHT buttons move the cursor to the position of the initial voltage (U min), maximal
voltage (here 10,0 V and 40,0 V), and the voltage step (here 1,5 V). Using the UP/DOWN buttons please
select their desired values. By pushing the TRIG button on the breaking/closing outputs the starting voltage
is brought to the selected coil for 140 ms (milliseconds), and the display switches to the COIL menu (Figure
5-3).
If the coil was not actuated, after 900 ms delay, the voltage increases automatically for the selected voltage
step and the voltage is generated again (duration of 140 ms).
The test can have two possible outcomes:
a.
The coil is actuated, when the POB-AD displays the Result menu, showing the activating
voltage and maximal current (Figure 5-4),
After 10 seconds the POB-AD returns to the MTV DC menu.
b. The maximal test voltage was reached without coil actuation. "No activation“ error
message will be displayed, LEDs M and C are ON continually, and the alarm beeps.
To stop the test press the STOP button at any time during the test. The POB-AD switches to the MTV DC
menu (Figure 5-5) and LED C is off.
Note: There is an auxiliary (AUX) contact in the breaker circuit, which intersects the circuit
protecting the coil. This way the POB-AD device detects the moment when the current drops
to and the voltage at that instant of time is defined as the lowest coil activation voltage.
5.3 AC Coils Testing
5.3.1 Manual test
Turn on POB-AD using the power switch on the back of the test set. The display shows the Volt DC menu;
LEDs C and M are off.
Before a test can be started, please select the test voltages as per the Section 4.1 using the Volt 50Hz/Volt
60Hz menu (Figure 4-2).
By pushing the TRIG button on the breaking/closing outputs, a pre-selected AC voltage lasting 140 ms is
brought to a desired coil. During the test, the LED C flashes, the POB-AD displays the COIL menu showing
a voltage value and the test duration time (Figure 5-6).
Figure 5-6:
The COIL menu during
the AC manual test
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If the coil is actuated, the POB-AD displays the Result menu, showing the activating voltage and test
current (Figure 5-7).
Figure 5-7:
The Result menu
after the AC manual
test
If the coil failed to actuate, increase the voltage in the Volt 50Hz/Volt 60Hz menu (Figure 4-2) and repeat
this operation.
To stop the test press the STOP button at any time during the test. The POB-AD displays revert to the Volt
50Hz/Volt 60Hz menu and LED C is turned off.
The POB-AD can also be used as a source of continuous AC voltage.
Define the voltage value using the Volt 50Hz/Volt 60Hz menu (see the Section 4.1). Use the LEFT/RIGHT
buttons to move to the test voltage position. Use the UPIDOWN buttons for coils.
By pressing the COILS button a continuous pre-selected AC voltage is generated on the COIL
outputs. The LED C flashes to indicate AC voltage is being generated.
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5.4 Using the POB-AD with a Circuit Breaker Analyzer
In case a Circuit Breaker Analyzer is being used for testing, the POB-AD is used as a power supply unit.
Turn on the POB-AD using the power switch on the back of the test set. The display shows the Volt DC
menu; LEDs C and M are off. Depending on the DC or AC coils please define the test voltages as shown in
the Figures 4-1 or 4-2 (Section 4.1).
Connect the POB-AD to a Circuit Breaker Analyzer using the originally provided external cable. The cable
should be connected to the device as shown in the Figure 5-8.
Figure 5-8:
The External connector
Figure 5-9:
The External Trigger Cable
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By pressing the MOTOR button, the breaker spring is charged, and afterwards by pressing the button
COILS a pre-selected voltage is generated on the coils outputs. LED C flashes. The coils are triggered from
the Circuit Breaker Analyzer (Signal delay < 1 ms) using one of the two possible modes:
1. Contact mode:
2. Voltage mode:
Open circuit voltage (Imax= 10 mA)
In the range from 0 V to 50 V DC
- Low activation mode – LOW
- High activation mode – HIGH
(ULmax= 1,5 V)
(UHmin= 15 V)
Note:
- Positive (+) pole of the closing coil control output is connected to the yellow wire,
- Negative (-) pole of the closing coil control output is connected to the white wire,
- Positive (+) pole of the breaking coil control output is connected to the brown wire,
- Negative (-) pole of the breaking coil control output is connected to the green wire.
(please see the Figures 5-8 or 5-9)
When the POB-AD is working together with a Circuit Breaker Analyzer, the test execution is controlled by
the Circuit Breaker Analyzer . In this combination, the POB-AD serves as a power supply. All the time the
signal from the Circuit Breaker Analyzer is active the voltage is generated on the coil outputs of the POB-AD
device.
Voltage at coil outputs can be interrupted at any moment by pushing the STOP button.
5.4.1 Using the External connector
The POB-ADL can be remotely operated using the External Connector.
Procedure:
Turn on the POB-AD using the power switch on the back of the test set. The display shows the Volt DC
menu; LEDs C and M are off. Before a test can be started, please define the test voltages as described in
the Section 4.1 (Figure 4-1).
Connect the External connector to the POB-AD. Use the originally supplied cable only.
The External connector can work in the two possible modes:
1- Contact mode
2- Voltage mode
The External Connector can be considered as the two sets of remote contacts; closing and breaking, as it is
shown in the figure below:
Figure 5-10:
Contacts of the
External connector
Contacts can either be in CLOSE or in OPEN position.
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The CLOSE position means the contacts are short circuited at the External connector, or voltage is below
1.5 V.
The OPEN position means the contacts are open at the External connector, or that voltage is above 15 V.
Procedure to generate a voltage at the coils is the following:
1- Press the COILS button
2- Initiating the closing/breaking operation from the Circuit Breaker Analyzer, the selected voltage value is
generated on the corresponding COIL output. Its duration is the same as the control signal from the breaker
analyzer (breaking or closing).
3- When the test on the Circuit Breaker Analyzer ends, the control signal (OPEN position) is forwarded to
the POB-ADL over the External Connector, and the voltage value at desired COILS output is set to 0 V.
During the test, the LED C flashes, and the POB-shows the currently generated voltage value in the COIL
menu on its display (Figure 5-3 or 5-6). To stop the test, please push the STOP button at any time during
the test. The POB-AD returns to the Volt DC menu and the LED C is turned off.
5.4.2 Using the EXT DC menu
The Ext DC menu is used for setting up the coils and spring-charging motor test voltage values on the POBAD when using the External Connector. The External Connector is used to bring the triggering signal from
another device (usually a Circuit Breaker Analyzer) to POB-AD. The connection is provided using the
External Trigger Cable.
Turn on the POB-AD using the power switch on the back of the test set. The display shows the Volt DC
menu; LEDs C and M are off.
Using the UP/DOWN and LEFT/RIGHT buttons (or by pushing the ENTER button few times) select the EXT
DC menu (Figure 5-11). Using the UP/DOWN and LEFT/RIGHT buttons select the desired test voltage
value.
Figure 5-11:
The EXT DC menu
The POB-AD can be operated from a distance using the External Connector.
The procedure of generating a voltage at the coils is:
1- Ensure both contacts at the External connector are open (OPEN position)
2- Press the COILS button
3- By closing one (breaking or closing) contact (CLOSE position), the selected voltage is generated at the
corresponding COIL with a duration of 700 milliseconds.
4- There are two contacts on the External Connector (Breaking i Closing). Each of them can be in an open
or close position. That creates four possible combinations (Open-Open, Close-Close, Open-Close, i CloseOpen). For each of these combinations the POB-AD generates a selected voltage value on the appropriate
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COIL output. By opening the External Connector contacts (OPEN position) the voltage value at the desired
COILS output is set to 0 V.
During the test execution, the LED C flashes and the POB-AD is in the EXT DC menu. The generated
voltage values are being presented on the device display.
Note: The voltage generated at the COILS output is applied from the moment of closing the contacts till the
opening moment but no longer than 700 milliseconds.
5.5 Duty Cycles
During the test, the POB-AD generates a high current that heats up the test set. To prevent overheating of
the POB-AD, certain duty cycles apply depending on the test voltage and current being deployed.
The POB-AD is a powerful and versatile unit with the possibility to generate an initial current of 30 A
(POB30AD) and 40 A (POB40AD) at 230 V mains supply as well as the continuous current according to the
tables below:
Model
Mains
Load
Voltage Voltage
24 A
20 A
10 A
20 sec
60 sec
contin.
110 V DC
30 A
24 A
12 A
20 sec
60 sec
contin.
220 V DC
12 A
10 A
7A
20 sec
60 sec
contin.
220 V DC
15 A
12 A
8A
20 sec
60 sec
contin.
110 V AC
10 A
5A
1 sec
contin.
110 V AC
15 A
10 A
10 sec
contin.
220 V AC
10 A
5A
1 sec
contin.
220 V AC
12 A
6A
10 sec
contin.
48 V DC
24 A
20 A
10 A
20 sec
60 sec
contin.
48 V DC
30 A
24 A
12 A
20 sec
60 sec
contin.
110 V DC
12 A
10 A
7A
20 sec
60 sec
contin.
110 V DC
15 A
12 A
8A
20 sec
60 sec
contin.
125 V DC
10,6 A
8,9 A
3,5 A
20 sec
60 sec
contin
13,2 A
115 V DC 10,5 A
120 V
7A
220 V DC
7A
6A
5A
20 sec
60 sec
contin.
220 V DC
8A
6A
5A
20 sec
60 sec
contin.
110 V AC
10 A
5A
1 sec
contin.
110 V AC
12 A
8A
10 sec
contin.
220 V AC
10 A
5A
1 sec
contin.
220 V AC
8A
5A
10 sec
contin.
POB30AD
120 V
M-P0X0AD-200-EN
Mains
Load
Max
Max load
Voltage Voltage Current interval
Model
110 V DC
230 V
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60 sec
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POB-AD series
Customer Service Packing the Instrument for Shipment
6 Error Messages
Any operational error is indicated by a continual light on the C and M LEDs along an audio alarm.
Furthermore, the display indicates an error status message.
Press the STOP button to stop the alarm buzzer, remove the status message off the display and return to
the Volt DC menu.
6.1 Error Message "Overcurrent"
This message is displayed if the test current is too high. In this case reduce the test voltage and repeat the
test.
Figure 6-1:
Error message
"Overcurr"
6.2 Error Message “Overheat”
This message is displayed when POB-AD’s operating temperature rises too high.
The reason for this could be:
-
ambient temperature too high (refer to the Section 10),
despite the duty cycle time control, too many high current tests were performed in a too short period of
time.
Figure 6-2:
Error message
"Overheat"
New test cannot commence before the device has cooled down. In this case, wait for the test set to cool
down and repeat the test.
6.3 Error Message “No activation”
This message is displayed if the POB-AD reaches the maximum pre-selected voltage and the coil is not yet
actuated during the automatic test of the coil.
The reason for this could be:
-
maximum pre-selected voltage is not high enough for the coil activation,
test cables between the coils and the instrument are not connected properly.
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Figure 6-3:
Error message
"No activation"
Select a higher test voltage (the max pre-selected value) or verify cable connections. Repeat the test.
6.4 Error Message “Malfunction”
If this message appears on the display, or if the POB-AD cannot be operated anymore, a serious internal
error occurred.
Figure 6-4:
Error message
"Malfunction"
Please do not open the POB-AD by yourself. Contact IBEKO Power AB (refer to the Section ”Manufacturer
Contact Information”).
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7 Troubleshooting
7.1 Voltage test
If the device is suspected of presenting inaccurate voltage values, the DC and AC voltage measurement
check should be performed as described bellow.
7.1.1 DC voltage measurement check
1. Connect the DC voltmeter to the POB-AD Breaking or Closing Coil DC output, as shown in the
Figure 7.1.
2. Choose voltage values on the device according to the Table 7.1, to cover all ranges.
3. To choose a Coil’s test, press COIL key on the device.
4. Compare each voltage value measured with DC voltmeter to the expected voltage value from the
Table 7.1. In the case of major differencies please contact DV Power support team.
7.1.2 AC voltage measurement check
1. Connect the AC voltmeter to the POB-AD Breaking or Closing Coil AC output, as shown in the
Figure 7.2.
2. In order to choose the AC menu, press the ENTER key on the device.
3. Choose voltage values on the device according to the Table 7.2, to cover all ranges and then press
the COILS key on the device, to choose Coil's test.
4. Compare each voltage value measured with the AC voltmeter to the expected voltage value from
Table 7.2. In case of major differencies please contact DV Power support team.
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Figure 7.1 – DC voltage test connection
Voltage on the
device [V]
24
48
72
110
150
200
230
260
Figure 7.2 – AC voltage test connection
Expected voltage
value [V]
23,69 – 24,31
47,63 – 48,37
71,57 – 72,43
109,1 – 110,9
149 – 151
198,85 – 201,15
228.75 – 231.25
258.7 – 261.3
Voltage on the
device [V]
24
48
72
110
150
200
230
250
Table 7.1 – DC voltage measurement check
Expected voltage
value [V]
23,69 – 24,31
47,63 – 48,37
71,57 – 72,43
109,1 – 110,9
149 – 151
198,85 – 201,15
228,75 – 231,25
248,7 – 251,3
Table 7.2 – AC voltage measurement check
7.2 Current test
If the device is suspected of presenting inaccurate current meaurement values, the current measurement
check described bellow should be performed.
Connect the POB-AD, DC voltmeter, 5 Ω load and 10 mΩ test shunt, as presented in the Figure 7.3.
Choose voltage values on the device according to the Table 7.3.
To choose the Spring Charging Motor test, press the MOTOR key on the device.
Measure the voltage drop on the test shunt Rshunt using a DC voltmeter.
5. Compare the current value displayed on the device and the measured voltage drop on the test shunt
with the expected values in the Table 7.3. In case of major differencies please contact DV Power
support team.
1.
2.
3.
4.
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Figure 7.3 – Current test connection
Rload [Ω]
Rshunt [Ω]
Voltage on the
device [V]
Current value
on the device
[A]
5
5
10m
10m
20
40
3,96 – 4,04
7,95 – 8,05
Measured
voltage drop
on the test
shunt Vshunt
[mV]
39,6 – 40,4
79,5 – 80,5
Power through
the load [W]
80
320
Table 7.3
NOTE: Please pay attention to the maximum power allowed through the load. Maximal power
through the load is 320 W, when the voltage on the POB30AD device is 30 V (POB40AD device is 40
V). If there is no available load that can handle that power, please do not perform this test.
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8 Customer Service
Before calling or sending an e-mail to the Customer Service for assistance, please perform the following
steps:
1.
2.
3.
4.
Check all cable connections.
Try to perform the test with another instrument, if available.
Perform the troubleshoot procedure as described above.
Provide the following information:
• Instrument serial number, hardware configuration description, and software version
• Comprehensive description of the problem, including information about the test object characteristic,
error messages and the sequence of events before it appeared
• List of solutions that have been tried
The Customer Support Department can be reached at:
Local support (Sweden): +46 8 731 78 24
International support: +46 70 0925 000
E-mail: support@dv-power.com
Note: Email communication is preferred for support issues, since the case is then documented and
traceable. Also, the time zone problems and issues with occupied telephones do not occur.
9 Packing the Instrument for Shipment
If the instrument needs to be shipped to DV Power for servicing, please contact the DV Power Customer
Service at:
Local support (Sweden): +46 8 731 78 24
International support: +46 70 0925 000
E-mail: support@dv-power.com
Note: DV Power is not responsible for any damage during shipping. Please protect each instrument from
shipping and handling hazards carefully. Please ensure that the protective covers are securely in place.
Instruments should be sent to DV Power freight pre-paid, unless other arrangements have been
preauthorized by the DV Power Customer Service.
To prepare the instrument for shipment, please follow these instructions:
1. Disconnect and remove all external cables. Do not include manuals, cables, and transducer connecting
rods unless instructed by the DV Power Customer Service.
2. Reuse the original packing material if available. If it is not available, pack the instrument for shipment
according to the instructions for fragile electronic equipment. It is recommended to use a two-wall minimum
corrugated cardboard box with a minimum 5 cm (2 inch) thick poly foam padding, or a wooden crate with
minimum of 5 cm (2 inch) thick poly foam padding all around.
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Technical Data
10 Technical Data
10.1 Mains Power Supply
- Connection
- Voltage single phase
- Frequency
according to IEC/EN60320-1; UL498, CSA 22.2
96 V – 264 V AC, +10% – -15%
50 Hz
10.2 Output data
POB30AD
POB40AD
Max DC Current
30 A
40 A
Max AC Current
12 A
15 A
Output DC Voltage
10 V - 300 V
10 V - 300 V
Output AC Voltage
10 V - 250 V
10 V - 250 V
10.3 Measurement
1 V – 300 V DC or 10 V – 250 V AC
1 A – 50 A
± (0,25 % rdg + 0,25 % F.S.)
- Voltage
- Current
- Accuracy
10.4 Environmental conditions
o
- Operating temperature
- Storage temperature
- Humidity
o
o
o
-10 C - +50 C / 14 F - +122 F
o
o
o
o
-25 C - +70 C / -13 F - +158 F
5% – 95% relative humidity, non-condensing
10.5 Dimensions and Weight
- Dimensions
205 mm x 287 mm x 480 mm (W x H x D) without handle
8 in x 11.3 in x 18.9 in
10,6 kg / 22.5 lbs
- Weight
10.6 Safety Standards
- European standards
LVD 2006/95/EC
EN 61010-1
- International standards
IEC 61010-1
UL 61010-1
CAN/CSA-C22.2 No. 61010-1, 2nd edition, including
Amendment 1
10.7 Electromagnetic Compatibility (EMC)
- CE conformity
- Emission
- Immunity
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EN 61326-1
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Accessories
11 Accessories
Accessories
Article number
Mains power cable
Ground cable
Cable set 6 x 2 m, 2,5 mm2
Cable set 6 x 5 m, 2,5 mm2
Extern trigger cable 2 m
Device bag
Cable bag
Transport case
C6-02-02BPBP
C6-05-02BPBP
TC-02-04MCBP
DEVIC-BAG-00
CABLE-BAG-01
HARD-CASE-P0
IBEKO Power AB 2014
This Manual is a publication of IBEKO Power AB, 181 50 Lidingö, Sweden. These documents are protected by
Swedish Copyright law and international contracts as intellectual property of the IBEKO Power AB. The documents
contain confidential information of IBEKO Power AB which is protected by patent, copyright, trademarks or otherwise
as inventions, trademarks or creations of IBEKO Power AB. The reproduction, duplication, transmission or use of these
documents or its contents is not permitted without express prior written consent of the IBEKO Power AB.
IBEKO Power AB shall not be liable for any incidental or consequential damages resulting from the performance or use
of this document or its product. This document has undergone extensive technical approval before being released.
IBEKO Power AB reviews this document at regular intervals, and includes appropriate amendments in subsequent
issues. While every effort has been made to keep the information herein as accurate and up to date as possible,
IBEKO Power AB assumes no responsibility for errors or omissions or for damages resulting from the use of the
information contained herein. IBEKO Power AB cannot take over liability resulting in any way from the use of this
document or parts thereof. The product information, pictures, drawings and all technical data contained within this
manual are not contractually binding and IBEKO Power AB reserves the right to make modifications at any time to the
technology and/or configuration without prior notice.
Insofar as any information, software or documentation is made available, any liability for defects as to quality or title of
the information, software and documentation especially in relation to the correctness or absence of defects or the
absence of claims or third party rights or in relation to completeness and/or fitness for purpose are excluded except for
cases involving willful misconduct or fraud.
In case of a disagreement between the translation and the original English version of this Manual, the original English
version will prevail.
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Manufacturer Contact Information data
Manufacturer Contact Information
IBEKO POWER AB
Box 1346, 181 25 Lidingö, Sweden
Local support (Sweden) tel: +46 8 731 78 24
International support tel:
+46 70 0925 000
Fax:
+ 46 8 731 77 99
E-Mail: support@dv-power.com
Website: http://www.dv-power.com
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