FAQ No. FAQ02416
What is a positive common input?
It is an input mode where there are two inputs and both of them are
connected to the positive side of the power supply. Both inputs will be at
the same voltage, so if there is a short circuit between two terminals, it
will not be detected.
If there is the possibility of a short circuit at the input, do not use
this input method because it cannot detect faults, and it cannot ensure
Other Safety Relay
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How does a forcibly guided contact work?
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