Connection of the Digital \ InputsΒΆ

The digital inputs can be used as source inputs or as sink inputs.

Attention

:strong:Risk of malfunctions in the plant!

A ground closure, e. g. caused through a damaged cable isolation, can bridge switches accidentally.

Use sink inputs when possible or make sure that in error case no risks will happen to persons or the plant.

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*) The M-terminal of the Onboard IOs is internally connected to the M-terminal of the processor module supply voltage *) The M-terminal of the Onboard IOs is internally connected to the M-terminal of the processor module supply voltage
   
Electrical connection of digital inputs (sink inputs) Electrical connection digital inputs (source inputs)

Note

If using the inputs AI0 and AI1 as digital inputs, they must be configured as digital input.

The inputs AI0 and AI1 can only be used as sink inputs.