Thor, or should that be Zeus?

[Chaz]

IP/whatever only works with Mach3/4, so Mach3 must be able to handle all the I/O. However, it's certainly not obvious first time round exactly how you refer to the connections. Took me a while to figure it out from the manuals. Post the screen shot and I'm sure someone can talk you through it. Is one of those things that's obvious, but only after you've done it the first time!

Thanks Neale, I understand how the inputs / mapping work. Ive setup a few machines on CS Labs kit. Ill find the image / reference to why I believe Mach 3 is the problem here with limit inputs specifically.