Re: [CAD_CAM_EDM_DRO] Re: Stepper motors only turning one directi on

Is that true of all the axes?
if not change the problem axes with one of the good axes to see if the
problem goes with the output pin or the drive.
Jim

----- Original Message -----
From: "coldfusionracingproducts" <gokarts164@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Monday, June 07, 2004 1:08 PM
Subject: [CAD_CAM_EDM_DRO] Re: Stepper motors only turning one directi on


> But that is the problem. The voltage does change from 0v to 4v and
> it matches the direction of mach2 perfectly.
>
> I tryed changing the low active boxes and it didn't do anything.
>
>
> --- In CAD_CAM_EDM_DRO@yahoogroups.com, Andy Wander <awander@v...>
> wrote:
> > So it sounds like what is happening is your direction pin signal
> is not
> > changing. It should be either +5(4, if that's what you get) for
> clockwise,
> > and 0V for counterclockwise; or the exact opposite. If it never
> changes,
> > then the motors will never reverse.
> >
> > Check to make sure that you have the correct pin selected in
> Mach2, and then
> > measure the pin for the change in voltage when you change
> direction. First
> > measure at the PC, and then work your way through to the Centent
> driver.
> >
> > In order to work correctly, your direction pin needs to go from
> (nominal) 0V
> > to +5V to change direction.
> >
> > Andy Wander
> > Verrex Corporation
> >
> >
> > -----Original Message-----
> > From: coldfusionracingproducts [mailto:gokarts164@h...]
> > Sent: Monday, June 07, 2004 1:45 PM
> > To: CAD_CAM_EDM_DRO@yahoogroups.com
> > Subject: [CAD_CAM_EDM_DRO] Re: Stepper motors only turning one
> > direction
> >
> > When I connect the direction wire to the driver, the motor spins
> in
> > a clockwise motion. When I disconnect the direction wire, the
> motor
> > spins counterclockwise. I'm still getting 0-4v signals from the
> > parallel port and they match mach2.
> >
> > --- In CAD_CAM_EDM_DRO@yahoogroups.com, "coldfusionracingproducts"
> > <gokarts164@h...> wrote:
> > > 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://www.metalworking.com/news_servers.html
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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........
> bill
> List Mom
> List Owner
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>
> Yahoo! Groups Links
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