CAD CAM EDM DRO - Yahoo Group Archive

Re: Clockwise and Anticlockwise

Posted by jbordens
on 2002-07-30 15:58:32 UTC
Thanks. I was just worried that I had something wired backwards or
something. Especially since the "black" lead from my motor seemed
to need to go to the + terminal on the gecko, and the "white" lead
to the - terminal, which only added to my feeling that I had
something backwards.

I just built a nice little 8kHz square wave generator from an old
555 timer IC I had laying around. Using it, I've calibrated my
first geckodrive using the o-scope method mentioned in the
documentation.

I'm pretty excited. Two more drives to calibrate, then I can seal
this entire thing up. :)

Thanks again,
Jake

--- In CAD_CAM_EDM_DRO@y..., "cadcambee" <cadcamcenter@y...> wrote:
> Hi Jake,
>
> Having the Gecko expert opinion on toroid overruled by a nonEE
give
> this non-expert courage to try to venture an opinion.
>
> Clockwise, counter-clockwise (anti-clockwise to others) are a
matter
> of convention, just like some people take positive x-axis to the
> left, while others take +ive x-axis to the right. So your
assumption
> that it is just a matter of how one look at it would be about
correct.
>
>
> --- In CAD_CAM_EDM_DRO@y..., "jbordens" <jake@a...> wrote:
> > OK, this is a REALLY stupid question, but I have to ask. ;)
> >
> > I'm testing the encoders on my Geckodrive setup following the
> > Geckodrive instructions.
> >
> > They say that for every step clockwise of the command position,
the
> > voltage goes down .04 volts, and every step counter clockwise of
> the
> > command position the voltage goes up .04
> >
> > However, my setup behaves the opposite. Exactly opposite.
> >
> > So my question: what perspective am I supposed to be determining
> > clockwise and anticlockwise? :)
> >
> > If I look at the motor spindle head on, the scope shows that
things
> > are behaving exactly opposite. However, if I look at the motor
> from
> > the back, at the encoder, things are correct.
> >
> > Since everything is connected properly, I assume its just a
problem
> > with how I'm looking at things. :)
> >
> > Thanks,
> > Jake

Discussion Thread

jbordens 2002-07-30 07:56:47 UTC Clockwise and Anticlockwise cadcambee 2002-07-30 10:28:52 UTC Re: Clockwise and Anticlockwise jbordens 2002-07-30 15:58:32 UTC Re: Clockwise and Anticlockwise Jon Elson 2002-07-30 19:51:07 UTC Re: [CAD_CAM_EDM_DRO] Clockwise and Anticlockwise pcfw 2002-07-30 20:58:12 UTC Re: Clockwise and Anticlockwise