6.3.3 Function block
GENPDIF
I3PNCT1*
I3PNCT2*
I3PTCT1*
I3PTCT2*
BLOCK
BLKRES
BLKUNRES
BLKNSUNR
BLKNSSEN
DESENSIT
TRIP
TRIPRES
TRIPUNRE
TRNSUNR
TRNSSENS
START
STL1
STL2
STL3
BLKH
OPENCT
OPENCTAL
IDL1
IDL2
IDL3
IDNSMAG
IBIAS
IEC11000212-1-en.vsd
IEC11000212 V1 EN
Figure 47: GENPDIF function block
6.3.4 Signals
Table 54: GENPDIF 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 unrestr. neg. seq. differential
feature
BLKNSSEN BOOLEAN 0 Block of trip for sensitive neg. seq. differential
feature
DESENSIT BOOLEAN 0 Raise pick up: function temporarily desensitized
1MRK502052-UEN B Section 6
Differential protection
147
Technical manual