Quote Originally Posted by Clive S View Post
You really need a 12V or 24V power supply to work but they can still be connected to your BOB, power supplies are not expensive. ..Clive
I do have both power supplies in my CNC cabinet, so can i refresh -
I need 12 to 24 vdc proximity switches, NPN, N.C. all i need know is a scheme / Wiring diagram, can you help?

Ray