PID-6623-OUTPUTSIGNALS v2
Table 46: T2WPDIF (87T) Output signals
Name
Type
Description
TRIP
BOOLEAN
General, common trip signal
TRIPRES
BOOLEAN
Trip signal from restrained differential protection
TRIPUNRE
BOOLEAN
Trip signal from unrestrained differential protection
TRNSUNR
BOOLEAN
Trip signal from unrestrained negative sequence differential
protection
TRNSSENS
BOOLEAN
Trip signal from sensitive negative sequence differential
protection
PICKUP
BOOLEAN
Common pickup signal from any phase
PU_A
BOOLEAN
Pickup signal from phase A
PU_B
BOOLEAN
Pickup signal from phase B
PU_C
BOOLEAN
Pickup signal from phase C
BLK2H
BOOLEAN
Common second harmonic block signal from any phase
BLK2H_A
BOOLEAN
Second harmonic block signal, phase A
BLK2H_B
BOOLEAN
Second harmonic block signal, phase B
BLK2H_C
BOOLEAN
Second harmonic block signal, phase C
BLK5H
BOOLEAN
Common fifth harmonic block signal from any phase
BLK5H_A
BOOLEAN
Fifth harmonic block signal, phase A
BLK5H_B
BOOLEAN
Fifth harmonic block signal, phase B
BLK5H_C
BOOLEAN
Fifth harmonic block signal, phase C
BLKWAV
BOOLEAN
Common block signal, waveform criterion, from any phase
BLKWAV_A
BOOLEAN
Block signal, waveform criterion, phase A
BLKWAV_B
BOOLEAN
Block signal, waveform criterion, phase B
BLKWAV_C
BOOLEAN
Block signal, waveform criterion, phase C
IDALARM
BOOLEAN
Alarm for sustained diff currents in all three phases
OPENCT
BOOLEAN
An open CT was detected
OPENCTAL
BOOLEAN
Open CT Alarm output signal. Issued after a delay ...
ID_A
REAL
Value of the instantaneous differential current, phase A
ID_B
REAL
Value of the instantaneous differential current, phase B
ID_C
REAL
Value of the instantaneous differential current, phase C
IDMAG_A
REAL
Magnitude of fundamental frequency differential current, phase A
IDMAG_B
REAL
Magnitude of fundamental frequency differential current, phase B
IDMAG_C
REAL
Magnitude of fundamental frequency differential current, phase C
IBIAS
REAL
Magnitude of the bias current, which is common to all phases
IDMAG_NS
REAL
Magnitude of the negative sequence differential current
Section 6
1MRK 502 066-UUS B
Differential protection
110
Technical manual
Summary of Contents for Relion 670 series
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