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Test Leds; Test Alarm And Out-of-service Leds; Test Trip Led; Test User-programmable Leds - GE MiCOM P40 Agile Technical Manual

Feeder management ied.
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Chapter 21 - Commissioning Instructions
If the time and date is not being maintained by an IRIG-B signal, ensure that the IRIG-B Sync cell in the DATE AND
TIME column is set to Disabled.
1.
Set the date and time to the correct local time and date using Date/Time cell or using the serial protocol.
5.2.4

TEST LEDS

On power-up, all LEDs should first flash yellow. Following this, the green "Healthy" LED should illuminate indicating
that the device is healthy.
The IED's non-volatile memory stores the states of the alarm, the trip, and the user-programmable LED indicators
(if configured to latch). These indicators may also illuminate when the auxiliary supply is applied.
If any of these LEDs are ON then they should be reset before proceeding with further testing. If the LEDs
successfully reset (the LED goes off), no testing is needed for that LED because it is obviously operational.
5.2.5

TEST ALARM AND OUT-OF-SERVICE LEDS

The alarm and out of service LEDs can be tested using the COMMISSION TESTS menu column.
1.
Set the Test Mode cell to Contacts Blocked.
2.
Check that the out of service LED illuminates continuously and the alarm LED flashes.
It is not necessary to return the Test Mode cell to Disabled at this stage because the test mode will be required
for later tests.
5.2.6

TEST TRIP LED

The trip LED can be tested by initiating a manual circuit breaker trip. However, the trip LED will operate during the
setting checks performed later. Therefore no further testing of the trip LED is required at this stage.
5.2.7

TEST USER-PROGRAMMABLE LEDS

To test these LEDs, set the Test LEDs cell to Apply Test. Check that all user-programmable LEDs illuminate.
5.2.8

TEST OPTO-INPUTS

This test checks that all the opto-inputs on the IED are functioning correctly.
The opto-inputs should be energised one at a time. For terminal numbers, please see the external connection
diagrams in the "Wiring Diagrams" chapter. Ensuring correct polarity, connect the supply voltage to the
appropriate terminals for the input being tested.
The status of each opto-input can be viewed using either the Opto I/P Status cell in the SYSTEM DATA column, or
the Opto I/P Status cell in the COMMISSION TESTS column.
A '1' indicates an energised input and a '0' indicates a de-energised input. When each opto-input is energised, one
of the characters on the bottom line of the display changes to indicate the new state of the input.
5.2.9

TEST OUTPUT RELAYS

This test checks that all the output relays are functioning correctly.
1.
Ensure that the IED is still in test mode by viewing the Test Mode cell in the COMMISSION TESTS column.
Ensure that it is set to Contacts Blocked.
2.
The output relays should be energised one at a time. To select output relay 1 for testing, set the Test Pattern
cell as appropriate.
3.
Connect a continuity tester across the terminals corresponding to output relay 1 as shown in the external
connection diagram.
4.
To operate the output relay set the Contact Test cell to Apply Test.
500
P14x
P14xEd1-TM-EN-1

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