Re: [CAD_CAM_EDM_DRO] Taig mill, Taig controller, EMC setup?

Jon Elson has some simple circuits posted on his web page
that will convert between step/dir --> Phase signals.

Here is a link-

http://www.artsci.wustl.edu/~jmelson/stepdir.html

Tom Benedict wrote:

>
> I've got EMC up and running using BDI 2.11-01. It's working great, as far
> as the computer goes. I can't get my mill happy with it, though.
>
> Right now EMCMOT is using steppermod.o. It looks like the pinouts for
> this are:
>
> Pin Function
> 2 X Dir
> 3 X Clock
> 4 Y Dir
> 5 Y Clock
> 6 Z Dir
> 7 Z Clock
>
> Only problem is, the Taig motor controller isn't set up for
> direction/pulse, it's set up for phase output:
>
> Pin
> 2 X1
> 3 X2
> 4 X3
> 5 X4
> 6 Y1
> 7 Y2
> 8 Y3
> 9 Y4
> 1 Z1
> 14 Z2
> 16 Z3
> 17 Z4
>
> Not really compatible...
>
> I saw some tantalizing information at:
>
> http://www.mindspring.com/~pitt/EMC/EMC_docs.html
>
> This seemed to imply that the pinouts for freqmod.o were quite different
> from those for steppermod.o, and that the pinouts for freqmod.o could be
> changed using this bit in emc.ini:
>
> [EMCMOT]
> EMCMOT = freqmod.o
> STEPPING_TYPE = 1
>
> Unfortunately, that's the only mention I've seen of the "STEPPING_TYPE"
> parameter, so I haven't been able to find out if this will get me up and
> running, or if different values for STEPPING_TYPE produce different
> pinouts.
>
> To make a long story short, has anyone with a Taig mill, using the Taig
> motor controller, been able to set up EMC so it's happy?
>
> I'm quite willing to start munging around in the code either to answer my
> question or to patch it so it'll work. But if this has already been done,
> I'd just as soon skip that part and get back to machining. ;)
>
> Thanks,
>
> Tom
>
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