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.
*) 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.