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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