ABB RELION 670 Series Technical Manual page 116

Section 6
Differential protection
Table 46: T2WPDIF (87T) Output signals
Name
TRIP
TRIPRES
TRIPUNRE
TRNSUNR
TRNSSENS
PICKUP
PU_A
PU_B
PU_C
BLK2H
BLK2H_A
BLK2H_B
BLK2H_C
BLK5H
BLK5H_A
BLK5H_B
BLK5H_C
BLKWAV
BLKWAV_A
BLKWAV_B
BLKWAV_C
IDALARM
OPENCT
OPENCTAL
ID_A
ID_B
ID_C
IDMAG_A
IDMAG_B
IDMAG_C
IBIAS
IDMAG_NS
110
Type Description
BOOLEAN General, common trip signal
BOOLEAN Trip signal from restrained differential protection
BOOLEAN Trip signal from unrestrained differential protection
BOOLEAN Trip signal from unrestrained negative sequence differential
protection
BOOLEAN Trip signal from sensitive negative sequence differential
protection
BOOLEAN Common pickup signal from any phase
BOOLEAN Pickup signal from phase A
BOOLEAN Pickup signal from phase B
BOOLEAN Pickup signal from phase C
BOOLEAN Common second harmonic block signal from any phase
BOOLEAN Second harmonic block signal, phase A
BOOLEAN Second harmonic block signal, phase B
BOOLEAN Second harmonic block signal, phase C
BOOLEAN Common fifth harmonic block signal from any phase
BOOLEAN Fifth harmonic block signal, phase A
BOOLEAN Fifth harmonic block signal, phase B
BOOLEAN Fifth harmonic block signal, phase C
BOOLEAN Common block signal, waveform criterion, from any phase
BOOLEAN Block signal, waveform criterion, phase A
BOOLEAN Block signal, waveform criterion, phase B
BOOLEAN Block signal, waveform criterion, phase C
BOOLEAN Alarm for sustained diff currents in all three phases
BOOLEAN An open CT was detected
BOOLEAN Open CT Alarm output signal. Issued after a delay ...
REAL Value of the instantaneous differential current, phase A
REAL Value of the instantaneous differential current, phase B
REAL Value of the instantaneous differential current, phase C
REAL Magnitude of fundamental frequency differential current, phase A
REAL Magnitude of fundamental frequency differential current, phase B
REAL Magnitude of fundamental frequency differential current, phase C
REAL Magnitude of the bias current, which is common to all phases
REAL Magnitude of the negative sequence differential current
1MRK 502 066-UUS B
PID-6623-OUTPUTSIGNALS v2
Technical manual