INT ER LOCK S BE T W EE N PA NELS AP PAR ATUS CO NTR O L T E STING
52 1VLG500 0 17 C
Step 7/10
Check the interlocking logic. Clear Lockouts.
Step 8/10
On the protection relay LHMI (tested feeder) go to -> Main Menu/Test/IED test
– Test mode = Normal mode
The ready LED is flashing when the protection relay is in the test mode.
Figure 78: Entering test mode
Step 9/10
Repeat steps 3 to 8 for all feeders.
Step 10/10
On the protection relay LHMI (upstream breaker receiving CBFP trip command) go to ->
Main Menu/Test/IED test
– Test mode = Normal mode
The ready LED is steady ON.
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