ABB UniGear Digital, Commissioning And Testing Manual, Page: 67 / 98

APPAR ATUS CO NTRO L TESTING INTERLOCKS BETWEEN PANELS
1VLG5000 17 C 55
Step 5/10
On the protection relay LHMI (upstream circuit breaker) go to -> Main Menu/Monitoring/
I/O status/Current protection/PHIPTOC1/Inputs
– BLOCK = True
Figure 83: Activating blocking mode
Step 6/10
On the protection relay LHMI (tested feeder) go to-> Main Menu/Test/Function tests/
Current protection
– PHIPTOC1 = Deactivate START
Figure 84: Deactivating START signal