Chapter 4 Wiring of Inverter
ET/EP/EH Series Intelligent Flexible Driver Manual
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Figure 4-14 Wiring of the noise filter on the output side of the inverter
4.4.2 Surge suppressor connected to the output side
When the inverter is connected to an inductive load device (electromagnetic contactor, relay,
solenoid valve, etc.), be sure to use a surge suppressor on the coil of that load device, as shown in
Figure 4-15:
Figure 4-15 Applications of inductive load surge suppressor
4.4.3 Layout of the main circuit wiring
To suppress the radiation interference generated from the output side of the inverter and enhance the
anti-interference performance, they should generally be separated as far as possible, especially when
the cables are installed in parallel and extended over a long distance. When the signal cable must
cross the power cable, it should cross vertically. The layout diagram of main circuit wiring is shown
in Figure 4-16, 4-17.
Figure 4-16 Layout of main circuit wiring 1
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