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 by a damaged cable insulation, can bridge switches accidentally.
Use sink inputs when possible or make sure that, in case of error, there will be no risks to persons or plant.
| *) The M-terminal of the onboard I/Os is internally connected to the M-terminal of the processor-module supply voltage | *) The M-terminal of the Onboard I/Os 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 the inputs AI0 and AI1 are to be used as digital inputs, they must be configured as digital inputs.
The inputs AI0 and AI1 can only be used as sink inputs.