Re: [CAD_CAM_EDM_DRO] Re: Stepper motors only turning one direction

Then you must connect the +5 from the PC to the +5/signal common terminal on
the drive otherwise the direction wouldn't function.
I generally connect it to a floppy drive connector on the PC. The red wire
is +5 but double check yours.
Dan

----- Original Message -----
From: "coldfusionracingproducts" <gokarts164@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Monday, June 07, 2004 7:36 AM
Subject: [CAD_CAM_EDM_DRO] 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?
> > > >
> > > >
> > > >
> > > >
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> > > http://groups.yahoo.com/group/jobshophomeshop I consider this
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> > 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.
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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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>