Re: "dumb box" project[s]

Hi Dave,

Good to here the 900 is still there, somewhere! Just tried the links,
site must be temporarily down.

A packet every 6ms, and I think you have to read back a packet too.
Still those could be buffered and handled by a speeded-up timer tick. I
found my data sheets last night for it. Now to find a DB-37!

Alan KM6VV

dkowalcz@... wrote:

>
> Alan,
>
> Sorry, this is the corrected link for the "dumb box" chip write
> up. It's no longer on his "news" page:
>
> http://www.rutex.com/rt900_1.pdf
>
> Here's the one on the box itself, which isn't as detailed:
>
> http://www.rutex.com/900000_1.pdf
>
> For those who don't feel like clicking around to see what's going
> on, here are the basic specs for the "dumb box":
>
> 115 kB RS232 interface to PC serial port
> 32 bit position resolution
> 3 step and direction axes
> 16 digital IO lines (8 in, 8 out)
> 2 analog inputs, 2 PWM outputs
>
> Not a bad little device. One drawback is that it expects a full
> serial packet every 6 mS, so the the PC is still more or less in the
> timing loop during motion.
>
> A major positive is that it's PIC driven, and the hex image of the
> chip's program can be downloaded and programmed by anyone - no
> exclusivity over the hardware.
>
> Like I said, an option to drive this unit thru TurboCNC is still in
> the pipeline. Looks like there a good oppurtunity for a Windows
> programmer to step to the plate here and offer something for that OS
> as well...
>
> Dave Kowalczyk
> Everett WA
> TurboCNC control software -->http://www.dakeng.com
>
> PS: To answer your other question, yes, G92 will be in the 3.0g
> version of my program.
>
> --- In CAD_CAM_EDM_DRO@y..., Alan Marconett KM6VV <KM6VV@a...> wrote:
> > Hi Dave,
> >
> > I don't see the STEPPER "black box" on the Rutex site anymore. Or
> am I
> > getting confused? 990 is servo, right?
> >
> > Alan KM6VV
> >
> >
> > dkowalcz@d... wrote:
> > >
> > > Carl,
> > >
> > > Here's the white paper on the dumb box:
> > >
> > > http://www.rutex.com/rt990_1.pdf
> > >
> > > Elsewhere on the Rutex page is the application board he sells
> for
> > > the chip, and some test programs in Qbasic.
> > >
> > > It still needs a "wrapper" on the PC side so it can be
> controlled,
> > > and that's something I haven't had the time to do lately... I'd
> like
> > > to have TurboCNC drive this little guy instead of the parallel
> port
> > > as an option at startup.
> > >
> > > Dave Kowalczyk
> > > Everett WA
> > > http://www.dakeng.com
> > >
> > > --- In CAD_CAM_EDM_DRO@y..., carlcnc@y... wrote:
> > > > Weren't some of you guys working on a black box controller idea?
> > > > subject seems to have been dropped??
> > > >
> > > > Carl
>
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