Use of analog inputs as digital inputs

Several (or all) analog inputs can be configured as digital inputs DA502 - Digital/Analog Input/Output Module. The inputs are not electrically isolated against the other analog channels.

The following figure shows the connection of digital sensors to the analog input AI0. Proceed with the analog inputs AI1 to AI3 in the same way.

Use of analog inputs as digital inputs

The following measuring ranges can be configured DA502 - Digital/Analog Input/Output Module DA502 - Digital/Analog Input/Output Module :

Digital input

24 V

1 channel used

For a description of the function of the LEDs, please refer to Diagnosis and displays / Displays DA502 - Digital/Analog Input/Output Module.