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

Is the 0v referencing neutral or is it referenced to earth ground?

Stan

----- 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?
> >
> >
> >
> > Addresses:
> > FAQ: http://www.ktmarketing.com/faq.html
> > FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
> > Post Messages: CAD_CAM_EDM_DRO@yahoogroups.com
> >
> > Subscribe: CAD_CAM_EDM_DRO-subscribe@yahoogroups.com
> > Unsubscribe: CAD_CAM_EDM_DRO-unsubscribe@yahoogroups.com
> > List owner: CAD_CAM_EDM_DRO-owner@yahoogroups.com, wanliker@a...,
> > timg@k...
> > Moderator: pentam@c... indigo_red@q... davemucha@j...
> > [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
> >
> >
> > Yahoo! Groups Links
>
>
>
> Addresses:
> FAQ: http://www.ktmarketing.com/faq.html
> FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
> Post Messages: CAD_CAM_EDM_DRO@yahoogroups.com
>
> Subscribe: CAD_CAM_EDM_DRO-subscribe@yahoogroups.com
> Unsubscribe: CAD_CAM_EDM_DRO-unsubscribe@yahoogroups.com
> List owner: CAD_CAM_EDM_DRO-owner@yahoogroups.com, wanliker@...,
timg@...
> Moderator: pentam@... indigo_red@... davemucha@...
[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
>
>
> Yahoo! Groups Links
>
>
>
>
>