ABB Relion 670 Series Technical Reference Manual page 435

1MRK505222-UUS C
7.5.3
7.5.4
Technical reference manual
Function block
NS4PTOC (46I2)
I3P* TRIP
V3P* TRST1
I3PPOL* TRST2
BLOCK TRST3
BLKTR TRST4
BLK1 PICKUP
BLK2 PU_ST1
BLK3 PU_ST2
BLK4 PU_ST3
MULTPU1 PU_ST4
MULTPU2 PUFW
MULTPU3 PUREV
MULTPU4
ANSI09000685-1-en.vsd
ANSI09000685 V1 EN
Figure 216: NS4PTOC (4612) function block
Input and output signals
Table 204: NS4PTOC (46I2) Input signals
Name Type
I3P GROUP
SIGNAL
V3P GROUP
SIGNAL
I3PPOL GROUP
SIGNAL
BLOCK BOOLEAN
BLKTR BOOLEAN
BLK1 BOOLEAN
BLK2 BOOLEAN
BLK3 BOOLEAN
BLK4 BOOLEAN
MULTPU1 BOOLEAN
MULTPU2 BOOLEAN
MULTPU3 BOOLEAN
MULTPU4 BOOLEAN
Default Description
- Negative Sequence 3 phase current
- Negative Sequence 3 phase voltage
- Negative Sequence 3 phase polarisation current
0 General block
0 Block of trip
0 Block of step 1 (Pickup and trip)
0 Block of step 2 (Pickup and trip)
0 Block of step 3 (Pickup and trip)
0 Block of step 4 (Pickup and trip)
0 When activated, the pickup multiplier is in use for step1
0 When activated, the pickup multiplier is in use for step2
0 When activated, the pickup multiplier is in use for step3
0 When activated, the pickup multiplier is in use for step4
Section 7
Current protection
429