Re: NIST EMC Software

Dennis:

Yes, Servo to Go has a page. Here is the URL.

http://www.iglou.com/servotogo/

Hope this helps.

Regards,
Don Hughes
Vancouver, BC Canada

Dennis Mino wrote:

>
> From: "Dennis Mino" <dmino@...>
>
> Does "Servo to Go" have a web page????
> Thanx.
>
> ----- Original Message -----
> From: Dan Falck <dfalck@...>
> To: <CAD_CAM_EDM_DRO@onelist.com>
> Sent: Monday, May 17, 1999 6:18 PM
> Subject: Re: [CAD_CAM_EDM_DRO] NIST EMC Software
>
> > From: Dan Falck <dfalck@...>
> >
> > At 02:42 PM 5/17/99 -0700, you wrote:
> > >From: "Dan Mauch" <dmauch@...>
> > >
> > >Will NIST ECM work with step and direction stepper systems using the
> > >parallel port or must you have the servo to go card installed in a ISA
> slot
> > >I just bought Linux version 5.2 with the bug fix that you mentioned. I
> need
> > >to read the docs and then set up a machine this weekend.
> > >Dan
> > >-
> > >
> > >
> >
> > Dan,
> > This is what Fred Proctor, from Nist, wrote on the EMC mailing list in
> > reference to this same question:
> >
> > I just put some more documentation of the stepper motor setup on the EMC
> > web page,
> >
> <http://www.isd.cme.nist.gov/projects/emc/emcsoft.html>http://www.isd.cme.n
> > ist.gov/projects/emc/emcsoft.html
> > Look at the Figure 1 for a short block diagram comparing servos with
> > steppers, and the section "Setting up Stepper Motors" for how to do it.
> > There's a pinout for the parallel port bits there also.
> > It doesn't use encoders, and is therefore open-loop. Limit and home
> > switches are looked at, but the limit on input bits means we've ganged
> > the positive limits together, negative limits together, and homes
> > together. This can be changed easily (in emc/src/emcmot/extsmmot.c) if
> > you can get more bits either through a second parallel port card or by
> > using bidirectional parallel ports that let you read C0-C3 as inputs.
> > I will probably end up changing how the code runs bits to the steppers
> > based on a better method used by John Storrs. I haven't done this yet,
> > though. This won't change the pinouts or anything.
> > Matt Shaver asked about outputting the stepper phases directly, instead
> > of using step-and-direction bits as we do now. This should not be a
> > problem, but I need the phase diagrams and also a setup to test on. I
> > have a stepper test stand from Microkinetics. When Matt gets his stepper
> > motor Bridgeport working, I could try phasing on that.
> > > I would be interested in the archive version of the EMC list, so that I
> > > might not bother you with things that you have probably answered over
> and
> > > over before.
> > The mail list archive should be available to non-NISTers in the next few
> > days.
> > --Fred
> >
> >
> >
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