Quote Originally Posted by HankMcSpank View Post
In your block diagram, the stepper motors get their power from LV Supply (via the stepper drivers)....in turn the LV Supply gets its power from the HV supply (mains?) ...therefore if HV supply blows a fuse, LV supply won't get any power...therefore the steppers...they no workee.
Yep thats the idea, and the spindle stops too!! Blown fuse system stops..