ABB Relion REG670, Technical Manual, Page: 415 / 1298

Table 201: CCRBRF 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
TRRETL1 BOOLEAN Retrip by breaker failure protection function phase
L1
TRRETL2 BOOLEAN Retrip by breaker failure protection function phase
L2
TRRETL3 BOOLEAN Retrip by breaker failure protection function phase
L3
CBALARM BOOLEAN Alarm for faulty circuit breaker
8.8.5 Settings
Table 202: CCRBRF Group settings (basic)
Name Values (Range) Unit Step Default Description
Operation Off
On
- - Off Operation Off / On
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
IP> 5 - 200 %IB 1 10 Operate phase current level in % of IBase
IN> 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
start
tPulse 0.000 - 60.000 s 0.001 0.200 Trip pulse duration
Table 203: CCRBRF Group settings (advanced)
Name Values (Range) Unit Step Default Description
I>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 t2 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
1MRK502052-UEN B
Section 8
Current protection
409
Technical manual