Re: [CAD_CAM_EDM_DRO] Re: Cheap DRO system using digital scales and a PC

Lee;
Can you please upload the data to the files section?-there are people interested
regards
mariano


Lee Studley wrote:

> Wilfried,
>
> If its really 24bits, then it isnt the standard digimatic spec.
> I found it on Don Lancasters site tinaja.com
>
> and from Mariano's email of the caliper specs(thanks!).
>
> -Lee
>
> --- In CAD_CAM_EDM_DRO@egroups.com, "Wilfried Fedtke"
> <wilfried.fedtke@t...> wrote:
> > Hello,
> >
> > i try to connect my digital scale with the computer. My digital
> scale
> > looks like that of http://www.guanglu.com.cn/Digital%20Height%
> 20Gage%
> > 20&%20Scale%20Unit.htm.
> > I have gotten following description to my digital scale:
> >
> > Working of the interface: synchronus serial
> > Data: Binary code, 24 bits, each datum will send twice
> > The cycle is 300 ms (or 20 ms in fast reading state)
> > transmitting time 0,5 ms
> > Pulse range of data: Datum level <=0,2 V , level "1" >= 1,3 V
> > Clock pulse: CP 90 kHz, effective for high power level
> > wires: negative power, clock pulse, data, positive power.
> > > To be read the data over the serial interface, it is very
> difficult
> > since the data-transfer takes place synchronized.
> > I want to try to read the data over the parallel interface.
> >
>
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