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

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

../_images/d4fc6a36e3880ef50a331390015ea5a71

1 analog input requires 1 channel

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

Current 0…20 mA 1 channel used
Current 4…20 mA 1 channel used

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

Unused input channels can be left open-circuited, because they are of low resistance.