Re: servo board

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "caudlet" <info@t...> wrote:
> --- In CAD_CAM_EDM_DRO@yahoogroups.com, Kim Lux <lux@d...> wrote:
> > I'd love to have a servo drive system that still controlled the
> servo in
> > a closed loop/step-direction fashion, but that had a USB
connection
> to
> > each controller so that they could be queried for their position.
> >
> In the "for-what-it's-worth-department": Art at MACH2 has been
> working on including encoder feedback into MACH2. It currently
will
> support positional reading on a separate set of DRO's from standard
> quadrature encoders. I am look at using it as a handwheel jog
> control. I think if you expressed the reasoning of having an open
> loop encoder feedback while using a step and direction motor
control
> like the Gecko's or Rutex that Art might be receptive to
inclusion.
> Heck, it may already be in there and I missed that thread. I
> understand the issue of having to re-position the cutter after
> a "situation". It might be possible for Art to maintain absolute
> postion and do a slight backup and restart in the event of an e-
stop.
> This sounds like a good problem for a software solution. He is
> making a lot of the objects in his code available for custom
> modifications.