ABB RELION 670 Series Applications Manual page 132

Section 6
Differential protection
189
b
289
152
BI1
989
Feeder Bay
ANSI06000152 V2 EN-US
Figure 63: Feeder bay where b aux. contacts are used
126
Zone A
Disconnector aux. contact timing
Zone B
Main
Open
contact
Aux . b
Closed Open
contact
b
BIM
External or Internal
Feeder BFP Backup
Trip Command
Feeder Backup
OC Trip
CT Input
Other
TRM
Equipment
BBP &
Closed
Set Parameter
ZoneSel=" CtrlExcludes"
Bxxx
BLKTR
CTRLZA
CONNZA
CTRLZB
CONNZB
TRZONE
TRBAY
A/D
I3PB1
BFP trip command to feeder breaker
ANSI06000152_2_en.vsd
REB 670
TRIP
BOM
1MRK 505 337-UUS A
Application manual