Use of analog inputs as digital inputsΒΆ
Several (or all) analog inputs can be configured as digital inputs Analog Input/Output Module AX521. The inputs are not electrically isolated against the other analog channels.
The following figure shows the use of analog inputs as digital inputs.
1 digital input requires 1 channel
The following operating mode can be configured Analog Input/Output Module AX521 Analog Input/Output Module AX521 :
| Digital input | 24 V | 1 channel used |
The function of the LEDs is described under Displays Analog Input/Output Module AX521.