Re: [CAD_CAM_EDM_DRO] stepper problem

Bad output transister.


At 06:44 AM 7/11/02 -0000, you wrote:

>Hi,
>
>A friend tried to post this question but never made it. Hoping that
>someone can point out the most likely cause of this little problem of
>steppers moving only one direction.
>
>He has one 2-axis driver box with G201 which only move in the positve
>x and y direction. When commanded to move in the negative direction,
>the motors only emit a tingling sound, no movement. To eliminate the
>possibility of the step&direction signals being the culprit, the
>lathe was connected to another driver box (g201's) and movement was
>smooth both ways - positive as well as negative.
>
>What is the most likely cause with the problem driver box?
>
>Thanks.
>
>Andrew
>
>
>
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Regards, Hoyt


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