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Question #: 13897

Question: Mach3 USB Interface Board, I cant reverse my axis direction by toggling Reversed in Motor Home/Softlimits, I have to toggle Dir LowActive in port & pins Motor Outputs to reverse an axis, any ideas?

Current Solution

That is correct. To reverse the direction for a specific stepper motor on an axis, you should toggle the DirLowActive. The direction terminal on a driver (labeled Dir or CW) has a high signal for a particular direction and a low signal for the opposite direction. By simply toggling the DirLowActive, you are reversing this state.

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