ABB Relion 670 series - Function Block; Signals

6.3.3 Function block
SEMOD172595-4 v3
ANSI11000212-1-en.vsd
GENPDIF (87G)
I3PNCT1*
I3PNCT2*
I3PTCT1*
I3PTCT2*
BLOCK
BLKRES
BLKUNRES
BLKNSUNR
BLKNSSEN
DESENSIT
TRIP
TRIPRES
TRIPUNRE
TRNSUNR
TRNSSENS
PICKUP
PU_A
BFI_B
BFI_C
BLKH
OPENCT
OPENCTAL
ID_A
ID_B
ID_C
IDMAG_NS
IBIAS
ANSI11000212 V1 EN-US
Figure 50: GENPDIF (87G) function block
6.3.4 Signals
SEMOD172573-1 v3
PID-3551-INPUTSIGNALS v5
Table 64: GENPDIF (87G) Input signals
Name Type Default Description
I3PNCT1 GROUP
SIGNAL
- Neutral side input1
I3PNCT2 GROUP
SIGNAL
- Neutral side input2
I3PTCT1 GROUP
SIGNAL
- Terminal side input1
I3PTCT2 GROUP
SIGNAL
- Terminal side input2
BLOCK BOOLEAN 0 Block of function
BLKRES BOOLEAN 0 Block of trip command by the restrained diff. protection
BLKUNRES BOOLEAN 0 Block of trip by unrestrained "instantaneous" diff. prot.
BLKNSUNR BOOLEAN 0 Block of trip for unrestrained negative sequence differential
protection
BLKNSSEN BOOLEAN 0 Block of trip for sensitive negative sequence differential
protection
DESENSIT BOOLEAN 0 Raise pick up: function temporarily desensitized
Section 6 1MRK 502 066-UUS B
Differential protection
150
Technical manual