I think the OP wants to drive stepper motors using four digital lines for
one stepper motor;
A, B, C, D phases, much like one would directly drive a LM298.

Regards
Roland


On 28 April 2011 10:06, Ian W. Wright <[email protected]> wrote:

> Lawrence,
>
> Is this driving conventional steppers or something
> different. Is it a better system than microstepping?
>
> Ian
>
> On 28/04/2011 02:59, Lawrence Glaister wrote:
> > Hi Mark,
> > I am not sure what you are referring to by the term phase drive.
> > I use my mill and lathe with stepgen set to stepping type 2 which is
> > quadrature drive ( drive waveform is identical to a quadrature encoder )
> > Sometimes this mode and some of the higher stepping type modes get
> > referred to as phase drive.
> > If you need sample configs for lathe and or mill with quadrature drive,
> > drop me an email and I will send them along. There are very few changes
> > required to the sample stepper files... changing the stepping type, and
> > renamimg the connections from step/dir to something like phaseA/phaseB.
> > cheers
> > Lawrence
> >
> > On Thu, 2011-04-28 at 09:33 +0900, Mark Thomas wrote:
> >> A quick question. I have EMC2 controlling 3 different machines through
> step/direction drivers I also have an older phase driver which is connected
> to a small lathe using TurboCNC  I believe I have read that EMC2 will indeed
> work with phase drives but am having a hard time finding info. Any ideas on
> where to start?
> >>
>
>
>
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