ABB RED650 - Signals

6.1.4 Signals
PID-3701-INPUTSIGNALS v4
Table 32: LT3CPDIF Input signals
Name
Type Default Description
I3P1 GROUP
SIGNAL
- Three phase current grp1 samples and DFT
values
I3P2 GROUP
SIGNAL
- Three phase current grp2 samples and DFT
values
I3P3 GROUP
SIGNAL
- Three phase current grp3 samples and DFT
values
PID-3701-OUTPUTSIGNALS v4
Table 33: LT3CPDIF Output signals
Name Type Description
TRIP BOOLEAN Common, main, trip output signal
TRL1 BOOLEAN Trip signal from phase L1
TRL2 BOOLEAN Trip signal from phase L2
TRL3 BOOLEAN Trip signal from phase L3
STARTRES BOOLEAN Start of restrained differential protection
STARTUNR BOOLEAN Start of unrestrained differential protection
STARTENH BOOLEAN Start of enhanced restrained differential
protection
START BOOLEAN Common, main, start output signal
STL1 BOOLEAN Start signal from phase L1
STL2 BOOLEAN Start signal from phase L2
STL3 BOOLEAN Start signal from phase L3
INTFAULT BOOLEAN Internal fault has been detected
EXTFAULT BOOLEAN External fault has been detected
BLK2H BOOLEAN Common block signal, due to 2nd harmonic
BLK2HL1 BOOLEAN Block signal due to 2nd harmonic, phase L1
BLK2HL2 BOOLEAN Block signal due to 2nd harmonic, phase L2
BLK2HL3 BOOLEAN Block signal due to 2nd harmonic, phase L3
BLK5H BOOLEAN Common block signal, due to 5-th harmonic
BLK5HL1 BOOLEAN Block signal due to 5th harmonic, phase L1
BLK5HL2 BOOLEAN Block signal due to 5th harmonic, phase L2
BLK5HL3 BOOLEAN Block signal due to 5th harmonic, phase L3
ALARM BOOLEAN Alarm for sustained differential current
OPENCT BOOLEAN An open CT was detected
OPENCTAL BOOLEAN Open CT Alarm output signal. Issued after a
delay ...
IDL1 REAL Instantaneous differential current, phase L1
IDL2 REAL Instantaneous differential current, phase L2
Table continues on next page
Section 6 1MRK 505 394-UEN A
Differential protection
88 Line differential protection RED650 2.2 IEC
Technical manual