Connection of passive-type analog sensors (current)

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Connection example

The following measuring ranges can be configured AI531 - Analog Input Module AI531 - Analog Input Module:

Current -20 … 20 mA* 1 channel used
Current 0 … 20 mA* 1 channel used
Current 4 … 20 mA 1 channel used
* This setting is not applicable with passive-type analog sensors (current).

The function of the LEDs is described under Diagnosis and displays / displays AI531 - Analog Input Module.

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