Re: Stepper motors only turning one direction

Dan, your correct about the 5v line.

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "Dan Mauch" <dmauch@s...>
wrote:

> 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@a...>
> 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@a...
> > Adacel Technologies Limited,
> > 250 Bay St, BRIGHTON, 3186, AUSTRALIA
> > http://www.adacel.com <http://www.adacel.com>
> > Telephone +61 (3) 8530 7777, Facsimile +61 (3) 9596 2960
> > Mobile 0421-601 665
> >
> >
> > > -----Original Message-----
> > > From: coldfusionracingproducts [mailto:gokarts164@h...]
> > > 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?
> > >
> > >
> > >
> > >
> > > Addresses:
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> [Moderators]
> > URL to this group: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO
> >
> > 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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