VAMP Ltd
Power monitoring unit
Technical description
VAMP 260
VM260.EN004
Vamp 24h support phone : +358 (0)20 753 3264
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Figure 2.2.4-2. Application example of wiring the energy pulse outputs to a
PLC having common plus and using an external wetting voltage
Figure 2.2.4-3. Application example of wiring the energy pulse outputs to a
PLC having common minus and using an external wetting voltage
Figure 2.2.4-4. Application example of wiring the energy pulse outputs to a
PLC having common minus and an internal wetting voltage
2.2.5.
Harmonics
PMU calculates the harmonics for phase currents and for phase
voltages, using FFT, from the 2nd to the 15th order and
displays the values in a bar graph.
Harmonics U & I
Number of harmonics 2
nd
– 15
th
Measuring range
0 – 100%
