ABB Relion 670 series - Page 578

8.16.3 Function block
GUID-6B4EB1A4-2226-4397-A6FD-14F9DD02B12E v4
VRPVOC (51V)
I3P*
V3P*
BLOCK
BLKOC
BLKUV
TRIP
TROC
27 Trip
PICKUP
PU_OC
27 PU
ANSI14000056-1-en.vsd
ANSI12000184 V2 EN-US
Figure 304: VRPVOC (51V) function block
8.16.4 Signals
PID-3858-INPUTSIGNALS v6
Table 311: VRPVOC (51V) Input signals
Name Type Default Description
I3P GROUP
SIGNAL
- Three phase group signal for current inputs
V3P GROUP
SIGNAL
- Three phase group signal for voltage inputs
BLOCK BOOLEAN 0 Block of function both stages
BLKOC BOOLEAN 0 Block of voltage restraint overcurrent stage (ANSI 51V)
BLKUV BOOLEAN 0 Block of under voltage function
PID-3858-OUTPUTSIGNALS v7
Table 312: VRPVOC (51V) Output signals
Name Type Description
TRIP BOOLEAN Common trip signal
TROC BOOLEAN Trip signal from voltage restrained overcurrent stage
27 Trip BOOLEAN Trip signal from undervoltage function
PICKUP BOOLEAN Common pickup signal
PU_OC BOOLEAN Pickup signal from voltage restrained overcurrent stage
27 PU BOOLEAN Pick up signal from undervoltage function
Section 8 1MRK 502 066-UUS B
Current protection
572
Technical manual