ABB Relion 670 series, Technical Reference Manual

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7.4.4 Input and output signals
Table 200: EF4PTOC (51N67N) Input signals
Name Type Default Description
I3P GROUP
SIGNAL
- Three Phase Current Group Connection
V3P GROUP
SIGNAL
- Three Phase Voltage Group Connection
I3PPOL GROUP
SIGNAL
- Three 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
52a BOOLEAN 0 Breaker position
CLOSECMD BOOLEAN 0 Breaker close command
OPENCMD BOOLEAN 0 Breaker open command
Table 201: EF4PTOC (51N67N) Output signals
Name Type Description
TRIP BOOLEAN Trip
TRST1 BOOLEAN Trip signal from step 1
TRST2 BOOLEAN Trip signal from step 2
TRST3 BOOLEAN Trip signal from step 3
TRST4 BOOLEAN Trip signal from step 4
TRSOTF BOOLEAN Trip signal from switch onto fault function
PICKUP BOOLEAN General pickup signal
PUST1 BOOLEAN Pickup signal step 1
PUST2 BOOLEAN Pickup signal step 2
PUST3 BOOLEAN Pickup signal step 3
PUST4 BOOLEAN Pickup signal step 4
PUSOTF BOOLEAN Pickup signal from switch onto fault function
Table continues on next page
Section 7
1MRK505222-UUS C
Current protection
414
Technical reference manual