Hi All ,i am trying to help another customer switch over to mach3 from another software

Here are the problems we are having

1) I need Mach3 to halt the movement when starting a arc on the plasma cutter when a set pin goes(Low) and resume when the pin goes (HI)

I know Mach3 is able to do it but don't know how!
2)How and Where to Set the input DeBounce ?
Thanks in advance for the help guy's
Erik
CNCINMOTION .COM