ABB UniGear Digital Commissioning And Testing Guide

AP PAR ATUS CO NTR O L T E STI NG INT ERLOC KS BE T W EE N PA NE LS
1VLG5 00 0 17 C 51
Step 6/10
On the protection relay LHMI (tested feeder) go to -> Main Menu/Test/Function tests/
Other protection
– CCBRBRF1 = Activate TRBU (backup trip logic output)
Figure 76: Activating backup trip
The Incomer and Bus tie circuit breakers must trip immediately.
Then
On the protection relay LHMI (tested feeder) go to -> Main Menu/Test/Function tests/
Other protection
– CCBRBRF1 = Deactivate TRBU
Figure 77: Deactivating backup trip

ABB UniGear Digital Specifications

General

Brand	ABB
Model	UniGear Digital
Category	Switch
Language	English