RE: [CAD_CAM_EDM_DRO] Re: wiring geckos to stepper motors - common wires to where?

Try this:

http://www.geckodrives.com/photos/Step_motor_basics.pdf

You want pages 7,8 & 9 although the rest is a very good (and necessary)
read...

Dave

> -----Original Message-----
> From: Keith Clark [mailto:mail@...]
> Sent: Saturday, January 07, 2006 8:00 PM
> To: CAD_CAM_EDM_DRO@yahoogroups.com
> Subject: [CAD_CAM_EDM_DRO] Re: wiring geckos to stepper
> motors - common wires to where?
>
>
> Alan,
>
> Thanks for the suggestion, but I tried to get to the white papers
> but the link on the www.geckodrives.com website is not active.
>
> I realize how the com is connected to the Campbell board from the
> geckos. There is a step, dir and com between the Gecko and the
> Campbell.
>
> The question I have is about the 8 wires from the motor. 1 wire is
> for A phase, 1 for A' abd the next 2 are to be connected together
> and are called common. Then the next 1 is for B phase and the next
> B'. Then the next 2 are again connected together and labelled
> common. That accounts for all 8 wires. I am assuming that the wires
> connected together are just to be left connected to themselves.
> Only the other 4 wires for the 4 phases will connect to the Gecko at
> A,A',B, and B'. Does that sound correct?
>
>
> Thanks,
> Keith Clark
>
> --- In CAD_CAM_EDM_DRO@yahoogroups.com, Alan Marconett <KM6VV@a...>
> wrote:
> >
> > Hi Keith,
> >
> > DON'T connect the common wires together! Check out the "white
> papers"
> > on the Gecko website.
> >
> > Alan KM6VV
> >
> > Keith Clark wrote:
> > > I am wiring the gecko drives with stepper motors with 8 wires.
> The
> > > unipolar wiring requires connecting 2 wires together and these
> are
> > > labelled common. There is on pair for each phase. Where do the
> > > common wires from the motor go? I have a common from the Gecko
> drives
> > > for each motor that goes to the Campbell board but I don't
> believe
> > > that is where the wire from the motor goes. Perhaps these wires
> > > labelled common just connect together at the motor and do not go
> > > anywhere else?
> > >
> > > Thanks,
> > >
> > > Keith Clark
> > >
> > >
> > >
> > >
> > >
> > >
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http://groups.yahoo.com/group/jobshophomeshop I consider this to be a
sister site to the CCED group, as many of the same members are there,
for OT subjects, that are not allowed on the CCED list.

NOTICE: ALL POSTINGS TO THIS GROUP BECOME PUBLIC DOMAIN BY POSTING THEM.
DON'T POST IF YOU CAN NOT ACCEPT THIS.....NO EXCEPTIONS........
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