11.2.4 Signals
PID-3492-INPUTSIGNALS v9
Table 157: FUFSPVC Input signals
Name
Type Default Description
I3P GROUP
SIGNAL
- Current connection
U3P GROUP
SIGNAL
- Voltage connection
BLOCK BOOLEAN 0 Block of function
CBCLOSED BOOLEAN 0 Active when circuit breaker is closed
MCBOP BOOLEAN 0 Active when external MCB opens protected
voltage circuit
DISCPOS BOOLEAN 0 Active when line disconnector is open
BLKTRIP BOOLEAN 0 Blocks operation of function when active
PID-3492-OUTPUTSIGNALS v9
Table 158: FUFSPVC Output signals
Name Type Description
BLKZ BOOLEAN Start of current and voltage controlled function
BLKU BOOLEAN General start of function
3PH BOOLEAN Three-phase start of function
DLD1PH BOOLEAN Dead line condition in at least one phase
DLD3PH BOOLEAN Dead line condition in all three phases
STDI BOOLEAN Common start signal of sudden change in current
STDIL1 BOOLEAN Start signal of sudden change in current, phase
L1
STDIL2 BOOLEAN Start signal of sudden change in current, phase
L2
STDIL3 BOOLEAN Start signal of sudden change in current, phase
L3
STDU BOOLEAN Common start signal of sudden change in voltage
STDUL1 BOOLEAN Start signal of sudden change in voltage, phase
L1
STDUL2 BOOLEAN Start signal of sudden change in voltage, phase
L2
STDUL3 BOOLEAN Start signal of sudden change in voltage, phase
L3
Section 11 1MRK 505 394-UEN A
Secondary system supervision
288 Line differential protection RED650 2.2 IEC
Technical manual