I NT ER LO C K S BE T W EE N PA NE LS
Step 2/10
On the protection relay LHMI (upstream circuit breaker such as the Incomer, Generator and
Bus tie receiving LBBP blocking signal) go to -> Main Menu/Test/IED test
– Test mode = IED test
The ready LED is flashing when the protection relay is in the test mode.
Figure 81: Entering test mode
Step 3/10
On the protection relay LHMI (tested feeder) go to -> Main Menu/Test/IED test
– Test mode = IED test
The ready LED is flashing when the protection relay is in the test mode.
Step 4/10
On the protection relay LHMI (tested feeder) go to -> Main Menu/Test/Function tests/
Current protection
– PHIPTOC1 = Activate START
Figure 82: Activating START signal
54
AP PAR ATU S CO NTR O L T E S TI NG
1 VLG 5000 17 C