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Author Topic: Stepper Motors moving with no input.  (Read 5829 times)

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Re: Stepper Motors moving with no input.
« Reply #10 on: February 09, 2010, 02:57:44 PM »
OK found the problem....

NOISE or high voltage coming from the fact that I cleaned or tryed to clean up the look of my shop by attaching all the wires together. My Z wire was not with the others cause it was attached to a non moving part so I ran my Z wire to the ceiling and thus no noise on this wire...
My X and Y and cnc power cables were attached together and the Ports pins were on active high so....WAIT FOR IT... when I turned on my cnc it caused both the X and Y to have a high signal intermittently thus producing random movement in the X and Y axises.

Thank you all for your help.
Roger out.