ABB REB670 Series - Page 127

en06000151.vsd
Zone A
Zone B
BI1
1200/1
Feeder Bay
Other
Equipment
REB 670
b a
A/D
CT Input
Main
contact
Aux. a
contact
Aux. b
contact
Open
Open
Closed Open
Closed
Closed
b a
CTRLZA
CTRLZB
TRIP
CONNZA
CONNZB
Bxxx
I3PB1
BLKTR
TRZONE
TRBAY
NO
NC
CLOSED
OPEN
ALARM
FORCED
SSxx
DISABLE
NO
NC
CLOSED
OPEN
ALARM
FORCED
SSxx
DISABLE
BBP & BFP trip command to feeder breaker
BIM
BOM
Set Parameter
ZoneSel="CtrlIncludes"
TRM
External or Internal
Feeder BFP Backup Trip
Command
Feeder Backup
OC Trip
Disconnector aux. contact timing
(Aux. contact a timing is only crucial when Scheme2_INX is used)
QB2
QB1
QB9
QA1
IEC06000151 V1 EN-US
Figure 62: Feeder bay where a&b aux. contacts are used
1MRK 505 370-UEN D Section 6
Differential protection
Busbar protection REB670 121
Application manual