ABB RELION REB500 Operation Manual page 30

Section 3
Signals
Input
Blocking Inputs
BU
S
B
B
B
Z B
Z B
Z B
Z B
Z B
Z B
Z B
B
Z B
S B
Z B
Z B
S B
Z B
Table continues on next page
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CU
S S
Z Z
Z Z
Z Z
Z Z
Z Z
Z Z
Z Z
Z Z
S S
Z Z
Z
S
Z
© Copyright 2019 ABB. All rights reserved
S
B
B
B S
B Z
B Z
B Z
B Z
B Z
B Z
B Z
B
B Z
B S
B Z
B Z
B S
B Z
1MRK 505 400-UEN B
Alarms Enable
CU BU CU
Z
Distributed busbar protection REB500
Technical manual
Output
CU
21410_O
utput
relays
blocked
21805_In
service
21815_In
spection
/
mainten
ance
22405_B
BP
blocked
23105_B
FP TRIP
23110_B
FP
REMOTE
TRIP
23305_B
FP trip t1
23310_B
FP trip
t2
23315_B
FP TRIP
L1
23320_B
FP TRIP
L2
23325_B
FP TRIP
L3
23630_Tr
ip
redirecte
d
23335_Tr
ip by BFP
23405_B
FP
blocked
24105_E
FP
REMOTE
TRIP
24305_E
FP trip
24405_E
FP
blocked
25105_O
CDT TRIP