Connection of active-type analog sensors (voltage) with electrically \ isolated power supply

The following figure shows the connection of active-type analog sensors (voltage) with electrically isolated power supply.

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1 analog input requires 1 channel

Note

By connecting the sensor’s negative pole of the output voltage to AGND, the electrically isolated voltage source of the sensor is referred to ZP.

The following measuring ranges can be configured Analog Input/Output Module AX521 Analog Input/Output Module AX521:

Voltage 0…10 V 1 channel used
Voltage -10 V…+10 V 1 channel used

The function of the LEDs is described under Displays Analog Input/Output Module AX521.

In order to avoid error messages or long processing times, it is useful to configure unused analog input channels as “unused”.