7.5.3  Function block
ANSI09000685-1-en.vsd
NS4PTOC (46I2)
I3P*
V3P*
I3PPOL*
BLOCK
BLKTR
BLK1
BLK2
BLK3
BLK4
MULTPU1
MULTPU2
MULTPU3
MULTPU4
TRIP
TRST1
TRST2
TRST3
TRST4
PICKUP
PU_ST1
PU_ST2
PU_ST3
PU_ST4
PUFW
PUREV
ANSI09000685 V1 EN
Figure 216: NS4PTOC (4612) function block
7.5.4  Input and output signals
Table 204: NS4PTOC (46I2) Input signals
Name Type Default Description
I3P GROUP
SIGNAL
- Negative Sequence 3 phase current
V3P GROUP
SIGNAL
- Negative Sequence 3 phase voltage
I3PPOL GROUP
SIGNAL
- Negative Sequence 3 phase polarisation current
BLOCK BOOLEAN 0 General block
BLKTR BOOLEAN 0 Block of trip
BLK1 BOOLEAN 0 Block of step 1 (Pickup and trip)
BLK2 BOOLEAN 0 Block of step 2 (Pickup and trip)
BLK3 BOOLEAN 0 Block of step 3 (Pickup and trip)
BLK4 BOOLEAN 0 Block of step 4 (Pickup and trip)
MULTPU1 BOOLEAN 0 When activated, the pickup multiplier is in use for step1
MULTPU2 BOOLEAN 0 When activated, the pickup multiplier is in use for step2
MULTPU3 BOOLEAN 0 When activated, the pickup multiplier is in use for step3
MULTPU4 BOOLEAN 0 When activated, the pickup multiplier is in use for step4
1MRK505222-UUS C Section 7
Current protection
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Technical reference manual