Wiring Prox Switch Input

 

PNP 3-wire example:

(see attachment for photo)

Brown to C0+

Blue to C0-

Black to the input (such as X1, X2, or X3...)

https://www.automationdirect.com/adc/Shopping/Catalog/Sensors_-z-_Encoders/Inductive_Proximity_Sensors/12mm_Round_Industrial_Automation/Standard_Sensing_(12mm)/PBM-AP-1H

PNP 4-wire example:

(see attachments for photo)

Brown to C0+

Blue to C0-

White to the input (such as X1, X2, or X3...) (this is normally closed which is preferred method.  Black can be used for normally open).

https://www.automationdirect.com/adc/Shopping/Catalog/Sensors_-z-_Encoders/Inductive_Proximity_Sensors/18mm_Round_Harsh_Duty/Food_-a-_Beverage_IP69K_(18mm)/PFK1-BP-3H

If the switches are not functioning or not reading in remove the proxy switch and place a jumper wire between C0+ and the input (such as X1, X2 or X3..). If the LED on the Apollo board lights up than it is an issue with the proxy switch. 

 

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