SiemensAnalog Input module SM331
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How can I avoid overvoltage?
How can I avoid overvoltage?
SiemensAnalog Input module SM331
Answers
Top answer
- Overvoltage can be avoided with proper wiring.
- Connect the M-inputs to the module ground
- Connect the unused channels to the M channel.
- Short between M + / S- and M-
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