Quote Originally Posted by Nr1madman View Post
If I use this paralell connection the bob gets supplied with 24v on the output pin?
Should I instead connect it in series ?
Can't get my mind around this :)
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Just clarify "the bob gets supplied with 24v on the output pin?" - you mean the input pin, designated for the home switches? If "input" and not "output", then okay, I'm with you...

You cannot (easily) connect proximity switches (NPN by the sound of it) in series - not without ancillary switch-gear. In parallel, with a common input into Mach3, and inverting the input in the set-up (if necessary), this should work fine.

Provided, of course - the bob supports 24V input (most cheapies are 5V, but you can adapt these easily to 24V if necessary with a resistor) - sorry, not read back in the thread to check your bob.

Can you explain more clearly your concern?