Re: counting encoder holes ?

That's right, you have two edges on each pulse and two sets of pulse
trains. So the number of pulses per inch or revolution is 4 times
the number of lines per inch/revolution.

Graham

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "turbulatordude"
<dave_mucha@y...> wrote:

>
> Hi all,
>
> I have a couple encoders from an old HP plotter. there is a dual

row

> of slits. looks like 500 per row.
>
> With 500 slits, it that 2,000 points in quadrature ?
>
> Dave