Quote Originally Posted by EddyCurrent View Post
Within Mach3 the user would use S for speed and M3,M4 for direction.
In additiaon a Mach3 Brain could be used to read the Spindle Speed DRO and only operate the direction relay outputs if the speed was above a particular figure, this would give a deadband around the zero position.
Then how do you start the Spindle or control it's speed thru G-code.?. . . . There will be better ways but I'm not wasting brain cells thinking about it because the guy has Servo drives that take Step/Dir so why make life hard.?