Quote Originally Posted by stevep View Post
Hi Silyavski, I have already built my machine, and have been wondering how to safe guard the failure of one side of the gantry to move, on my machine they are lead screws with stepper motor and drivers on each side of the gantry axis,
so the problem is how to save damaging the machine if one of the stepper motors, stepper units or even a slipping feed nut coupling etc failed
Stevep
As have been stated modern digital drives have an alarm output which is then connected to the BOB or motion controller etc and that will then disable all drives and thus the motors. ..Clive