Quote Originally Posted by jmh474 View Post
It's a usb input

I can use a seprate power supply to power the drivers so I don't need to wory about current problem.

I could just square up the router after every job done, I have asked other people and they've said they've never had a problem doing it this way
Find a new controller with a mach plugin that supports slaving. It will be less hassle.
Ditch usb and get ethernet. Usb can play grief with a router vfd.