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Messages - Campgems

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1
Craig, thanks for the reply.  It is something I've been considering, but wasn't to happy with the idea. 

This is an issue I've been pondering for several months.  After posting the question, I realized I was worried about voltage loss with a 5VDC input, but the drives will support a much higher voltage through the opto isolators, so adding a 12vdc supply will resolve any voltage drop.  Now I'm considering using the higher voltage to hold a relay transferred and with a drop use the NO points to hold a + signal to Mach3 E-stop inactive and a drop to trigger it 

I don't like the idea of some dozen or more inputs,  when one will do.  I think I caught this one soon enough that I don't need a Revision 3 of my BOB wiring,  Hope so anyway.

Don

2
I currently wiring up a new Taig Mill.  The Steppers are driven by Parker Compumotor OEM 750's and I would like to use the Fault Out opto isolators in the 750's in series with limits and E stops switches to trigger and E fault  input to Mach3.  Active low and the BOB has puldowns on the inputs.  I am wondering if there would be enough voltage drop across the four Opto isolators to cause problems, not in an E-stop condition, but causing false E-stops   I'm using an ESS and CNC4PC ESS BOB that I modified to be cable connected to the ESS vs direct plug.  Mach3, Win XP.

Thanks
Don

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