Re: [CAD_CAM_EDM_DRO] Stepper motors only turning one direction

If that older drive is like the Gecko then do you have the +5 connected from
the PC to the driver?
dan

----- Original Message -----
From: "Peter Homann" <peter.homann@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Monday, June 07, 2004 1:24 AM
Subject: RE: [CAD_CAM_EDM_DRO] Stepper motors only turning one direction


> I'm guessing, but, it sounds like the direction signal is not getting
> through to the drive circuitry.
>
> Since you have tested that the dir voltage is changing with direction,
> ensure that it is getting to the Centent drive. If the dir goes through an
> opto-isolator or buffer. check that the dir voltages is getting past that.
>
> Cheers,
>
>
> Peter Homann
> mailto:Peter.Homann@...
> Adacel Technologies Limited,
> 250 Bay St, BRIGHTON, 3186, AUSTRALIA
> http://www.adacel.com <http://www.adacel.com>
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>
> > -----Original Message-----
> > From: coldfusionracingproducts [mailto:gokarts164@...]
> > Sent: Monday, 7 June 2004 1:17 PM
> > To: CAD_CAM_EDM_DRO@yahoogroups.com
> > Subject: [CAD_CAM_EDM_DRO] Stepper motors only turning one direction
> >
> >
> > Here is my setup:
> >
> > Centent Cn0143 Microstepping drives (older geckos)
> > 680oz Camtronics Steppers
> > 24v power supply
> > PC with Mach2
> >
> > My motors are only turning in one direction. The distance traveled
> > is perfect though. When I jog 1 inch left then 1 inch right, it
> > makes it 2 inches right...
> >
> > I measured the signals coming out of the Parallel Port and I am
> > getting changes in the direction voltage.
> >
> > Any advice?
> >
> >
> >
> >
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> OFF Topic POSTS: General Machining
> If you wish to post on unlimited OT subjects goto:
aol://5863:126/rec.crafts.metalworking or go thru Google.com to reach it if
you have trouble.
> http://www.metalworking.com/news_servers.html
>
> 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........
> bill
> List Mom
> List Owner
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>
> Yahoo! Groups Links
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