ABB REL 356

ABB REL 356 Current Differential Protection
2-23
Installation, Operation and Maintenance
K H N L BA
RS232
POWER
SUPPLY
BACKUP
POWER
SUPPLY
OPTION
L N
TB6-11 TB6-13
1FT-14
TB4-5
2FT-14
TB2-1 TB2-4 TB5-1
(+)
TB5-11
(+)
TB5-13
(+)
FAIL
AL
TRIP
BKR1
TRIP
BKR2
TB6-12 TB6-14
1FT-14
TB4-6
TB1-2 TB1-4
M K
2FT-14
VDC
BFI1 BFI2
CC CC CC
TB2-2 TB2-4
(-)
TB5-2
(-)
TB5-12
(-)
TB5-14
TB4-11 TB4-12 TB4-13 TB4-14
AUDIO
TRANSMIT
AUDIO
RECIEVE
TB4-10
TO REMOTE SUBSTATION
VIA AUDIOTONE
DCI
INTERFACE
XMIT RCV
214 316
RS422 DIRECT DIGITAL
OR FIBER OPTIC
COMMUNICATION
NEG
POS
BFI/RECL
ENABLE
2FT-14
BFI
CONTROL
TB1-14 TB1-13
ABB
03-23-97
SW
Current differential system using REL356
ABB Automation Inc.
Substation Automation and Protection Division
Allentown, PA
SIZE FSCM NO DWG NO REV
2097D40
SH
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