Hi all I’m having a problem with my stepper motors moving every time I switch (only)
the control box on ,Im using them on a home made Cnc plasma cutter, my Cnc parts are:

24v power supply
Nema 23 3.0amp steppers
Tb 6560 drivers
Mach3 Opto-isolated Parallel Interface break out board

These movements are causing my gantry to shift out of alignment. Can anyone please tell me why this is happening and how do prevent this from happening

Regards
Bradley


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