5.2.7.1 CCBRBRF Input signals
Table 1116: CCBRBRF Input signals
Name Type Default Description
I3P SIGNAL - Three-phase currents
IRES SIGNAL - Residual current
BLOCK BOOLEAN 0=False Block CBFP operation
START BOOLEAN 0=False CBFP start command
POSCLOSE BOOLEAN 0=False CB in closed position
CB_FAULT BOOLEAN 0=False CB faulty and unable
to trip
5.2.7.2 CCBRBRF Output signals
Table 1117: CCBRBRF Output signals
Name Type Description
CB_FAULT_AL BOOLEAN Delayed CB failure alarm
TRBU BOOLEAN Backup trip
TRRET BOOLEAN Retrip
5.2.8 CCBRBRF Settings
Table 1118: CCBRBRF Non group settings (Basic)
Parameter Values (Range) Unit Step Default Description
Operation
1=on
5=off
1=on Operation Off / On
Current value 0.05...2.00 xIn 0.01 0.30 Operating phase
current
Current value Res 0.05...2.00 xIn 0.01 0.30 Operating residual
current
CB failure trip
mode
1=2 out of 4
2=1 out of 3
3=1 out of 4
2=1 out of 3 Backup trip current
check mode
CB failure mode
1=Current
2=Breaker status
3=Both (AND)
-1=Both (OR)
1=Current Operating mode of
function
CB fail retrip mode
1=Off
2=Without Check
3=Current check
1=Off Operating mode of
retrip logic
Retrip time 0...60000 ms 10 120 Delay timer for ret-
rip
CB failure delay 0...60000 ms 10 240 Delay timer for
backup trip
1MRS759142 F Protection related functions
REX640
Technical Manual
1173
To Next Page
Loading...
