VDSPVC is designed to detect fuse failures or faults in voltage measurement circuit, based on
phase wise comparison of voltages of main and pilot fused circuits. VDSPVC blocking output can
be configured to block functions that need to be blocked in case of faults in the voltage circuit.
13.3.3 Function block
GUID-0C4A6C94-E0D7-4E36-AB49-D74A5E330D36 v2
VDSPVC (60)
V3P1*
V3P2*
BLOCK
MAINFUF
PILOTFUF
V1AFAIL
V1BFAIL
V1CFAIL
V2AFAIL
V2BFAIL
V2CFAIL
ANSI14000057-1-en.vsd
ANSI12000142 V2 EN-US
Figure 396: VDSPVC function block
13.3.4 Signals
PID-3485-INPUTSIGNALS v7
Table 433: VDSPVC (60) Input signals
Name Type Default Description
V3P1 GROUP
SIGNAL
- Main fuse voltage
V3P2 GROUP
SIGNAL
- Pilot fuse voltage
BLOCK BOOLEAN 0 Block of function
PID-3485-OUTPUTSIGNALS v7
Table 434: VDSPVC (60) Output signals
Name Type Description
MAINFUF BOOLEAN Block of main fuse failure
PILOTFUF BOOLEAN Alarm of pilot fuse failure
V1AFAIL BOOLEAN Fuse failure of Main fuse group phase A
V1BFAIL BOOLEAN Fuse failure of Main fuse group phase B
V1CFAIL BOOLEAN Fuse failure of Main fuse group phase C
V2AFAIL BOOLEAN Fuse failure of Pilot fuse group phase A
V2BFAIL BOOLEAN Fuse failure of Pilot fuse group phase B
V2CFAIL BOOLEAN Fuse failure of Pilot fuse group phase C
1MRK 502 066-UUS B Section 13
Secondary system supervision
743
Technical manual
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