PID-3562-OUTPUTSIGNALS v5
Table 257: CCRBRF (50BF) Output signals
Name
Type
Description
TRBU
BOOLEAN
Back-up trip by breaker failure protection function
TRBU2
BOOLEAN
Second back-up trip by breaker failure protection function
TRRET
BOOLEAN
Retrip by breaker failure protection function
TRRET_A
BOOLEAN
Retrip by breaker failure protection function phase A
TRRET_B
BOOLEAN
Retrip by breaker failure protection function phase B
TRRET_C
BOOLEAN
Retrip by breaker failure protection function phase C
CBALARM
BOOLEAN
Alarm for faulty circuit breaker
8.8.5
Settings
PID-3562-SETTINGS v5
Table 258: CCRBRF (50BF) Group settings (basic)
Name
Values (Range)
Unit
Step
Default
Description
Operation
Disabled
Enabled
-
-
Disabled
Operation Disabled/Enabled
FunctionMode
Current
Contact
Current/Contact
-
-
Current
Detection for trip based on Current/
Contact/Current&Contact
BuTripMode
2 out of 4
1 out of 3
1 out of 4
-
-
1 out of 3
Back-up trip modes: 2 out of 4 or 1 out of 3
or 1 out of 4
RetripMode
Retrip Off
CB Pos Check
No CBPos Check
-
-
Retrip Off
Oper mode of re-trip logic: OFF/CB Pos
Check/No CB Pos Check
Pickup_PH
5 - 200
%IB
1
10
Phase current pickup in % of IBase
Pickup_N
2 - 200
%IB
1
10
Operate residual current level in % of IBase
t1
0.000 - 60.000
s
0.001
0.000
Time delay of re-trip
t2
0.000 - 60.000
s
0.001
0.150
Time delay of back-up trip
t2MPh
0.000 - 60.000
s
0.001
0.150
Time delay of back-up trip at multi-phase
pickup
tPulse
0.000 - 60.000
s
0.001
0.200
Trip pulse duration
Table 259: CCRBRF (50BF) Group settings (advanced)
Name
Values (Range)
Unit
Step
Default
Description
Pickup_BlkCont
5 - 200
%IB
1
20
I> in % of IBase block operation using
Function Mode Contact
t3
0.000 - 60.000
s
0.001
0.030
Additional time delay to 27P2TDLY for a
second back-up trip
tCBAlarm
0.000 - 60.000
s
0.001
5.000
Time delay for alarm when faulty circuit
breaker indicated
Section 8
1MRK 502 066-UUS B
Current protection
526
Technical manual
Summary of Contents for Relion 670 series
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