Re: Please help!!! I have run away servos on X and Y

Hi Eric,

I got the same suggestion in an other reply. I've swapped polarity at
the tach and got a jerky run away. I'll swap polarity at the motors
and repost the rusults to the message board.

Thanks,
Jim

--- In CAD_CAM_EDM_DRO@y..., "Eric Keller" <keller137@h...> wrote:
>
> Subject: [CAD_CAM_EDM_DRO] Please help!!! I have run away servos on
X and Y
> Jim Montgomery said:
>
> >
> > Any help on why I might get run aways or any info on what my servo
> > amps may like as far as voltage inputs and what pins would be great.
> >
>
> In general, runaway servos would suggest a polarity reversal somewhere.
> It seems that the most likely place is the motor voltage, but
depending on
> how they did the control it could be tach voltage or position.
> Eric