Function Test Of The Etu - Siemens SENTRON 3WL10 Series Manual

Connection and commissioning

5.3 Function test of the ETU

5.3 Function test of the ETU
Hazardous voltage
The power supply of the ETUs through the main circuits must only be used after
commissioning.
Before first commissioning, supply the ETU with power via the TD310, TD410, or TD420
test devices.
The tests listed in the table refer to the testable functions and characteristics of the ETU.
Test Checks
LED test
1. Connect the test device TD410 or TD420 to the ETU.
(ETU 3-series)
2. Press the test button of the ETU for at least 6 seconds, but for no longer than 9 seconds.
3. Check whether the following LED sequence is followed correctly:
Battery test The battery test is integrated into the LED test.
•
•
Protection function
1. Make sure that the circuit breaker is in the CLOSED (ON) position and that the main circuits are
test
2. Connect the ETU via the TD410 or TD420 test device with a laptop on which the powerlog soft-
3. Run the protection function test with powerlog and check whether all protection functions are
Trip test
1. Make sure that the circuit breaker is in the CLOSED (ON) position and that the main circuits are
(ETU 3-series)
2. Connect the test device TD410, TD420, or TD310 to the ETU.
3. Press the test key of the ETU for at least 9 seconds.
4. Check whether the circuit breaker has tripped or the TU reset button has moved forward.
Trip test
1. Make sure that the circuit breaker is in the CLOSED (ON) position and that the main circuits are
(ETU 6-series)
2. Connect the ETU via the TD410 or TD420 test device with a laptop on which the powerconfig
3. Perform the trip test with powerconfig
4. Check whether the circuit breaker has tripped or the TU reset button has moved forward.
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WARNING
Release the key as soon as the LEDs on the ETU light up.
– LEDs of S, I, and G light up.
– LED of L changes three times between yellow and red.
– All LEDs go out.
If the battery is missing or flat, the LED of L flashes yellow five times after the LED test.
If the battery is working normally, the LED test is passed as described above.
not carrying any current.
ware is installed.
working correctly.
not carrying any current.
not carrying any current.
software is installed.
Air circuit breaker 3WL10
Manual, 11/2017, L1V30499596002-01