5.2.6 Signals
Table 677: 50BF Input signals
Name
Type Default Description
I_A SIGNAL 0 Phase A current
I_B SIGNAL 0 Phase B current
I_C SIGNAL 0 Phase C current
Io SIGNAL 0 Residual current
BLOCK BOOLEAN 0=False Block CBFP operation
PICKUP BOOLEAN 0=False CBFP pickup command
POSCLOSE BOOLEAN 0=False CB in closed position
CB_FAULT BOOLEAN 0=False CB faulty and unable to trip
Table 678: 50BF Output signals
Name Type Description
CB_FAULT_AL BOOLEAN Delayed CB failure alarm
TRBU BOOLEAN Backup trip
TRRET BOOLEAN Retrip
5.2.7 Settings
Table 679: 50BF Non group settings (Basic)
Parameter
Values (Range) Unit Step Default Description
Operation 1=enable
5=disable
1=enable Operation Disable / Enable
Current value 0.05...2.00 xIn 0.05 0.30 Operating phase current
Current value Res 0.05...2.00 xIn 0.05 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
1=Current Operating mode of function
CB fail retrip mode 1=Disabled
2=Without Check
3=Current check
1=Disabled Operating mode of retrip logic
Retrip time 0...60000 ms 10 120 Delay timer for retrip
CB failure delay 0...60000 ms 10 240 Delay timer for backup trip
Section 5 1MAC059074-MB A
Protection related functions
782 615 series ANSI
Technical Manual