Re: OK, I've got a detent encoder... What now?

--- In CAD_CAM_EDM_DRO@y..., Spehro Pefhany <speff@i...> wrote:

> At 06:59 PM 2/16/02 +0000, you wrote:

> We use a bunch of mechanical encoders in our production. Want to use
> that for an example? 18 steps/revolution and a push-switch in the
> shaft. Two quadrature outputs, one double change per detent.
> Not expensive. Bounce < 5msec, phase difference at 1 rotation/sec
> > 4msec initial, >2.5 msec at end of life. At each detent A
> is guaranteed "off", B is undefined.
>
> http://www.speff.com/trexon_encoder.gif (also 20mm L1 available)

Spehro, this is just about right for the application, except, it MUST
be 10 or 20 or 50 or 100 detents. One full revolution is important
and 18 does not convert to any useful scaled units. Is this a $20
part or a $100 part? Is it available in one of the listed scalable
numbers?

Best Regards,

Fred Smith
IMService