master timing Re: Indexer LPT

Chris,

The design principle for masters timer was developed during/ as a
result of a smart box/ dumb box thread a year or so ago. Art
presented the design theory in part of that thread... (so it's in the
archive)

I'll leave the rest for Art.

Ballendo

--- In CAD_CAM_EDM_DRO@y..., ccs@m... wrote:
>
> > I was just reading the Indexer LPT site. Does anyone here have
experience w
> > ith it. Is it a software only solution which runs at 90,000
pulses per second
> > ? How do you find it runs? How is it's constant velocity
contouring?
> > Is it a driver that loads prior to windows? Sounds like a
great solution,
> > I'd like to hear about its performance if anyone has driven it.
>
> Art - an important question may be, what's the 2nd highest EVEN
TIMING
> step speed? If the answer is 45,000 then there is a serious
> granularity problem and the highest realistic step speeds may still
be
> hard to accelerate to without stalling the motor.
>
> Would you be willing to talk a bit about how you do timing in
Master5,
> ie, what goes on in your custom timing driver?
>
> Chris Stratton
>