Weidmüller WAVECONTROL VMR 1ph Notice D'utilisation page 23

4.2 Monitoring 3-phase over- and undervoltage with
WAS2 VMR 3ph
Settings example:
- Three-phase monitoring
- Setting the limit value with poten-
tial values on the upper operating
point: 230 V
Hysteresis 5% = -12.5V
- Lower operating point 10%
below 230 V - 25 V = 205 V
U
0
1
0
1
0
Hysteresis 5% = -12.5 V
- The module works on the
worikng current principle
- All 3 phases monitored parallel
Status indicator
Voltage is within
the set range
Upper operating point
Hysteresis
Hysteresis
Lower operating point
Times
Relay 1/working current principle
Overvoltage
Relay 2/working current principle
Undervoltage
10%
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