Re: optical encoder

--- In CAD_CAM_EDM_DRO@y..., Jon Elson <elson@p...> wrote:

>

Thanks John I'll try to find it out By the way, sorry for my poor
english I'm french spoken.(Belgium)

>
> mataf01 wrote:
>
> >Hello, I've dismantel an old printer HEWLETT PACKARD Deskjet 500
> >serie the motor for the printing head is a servo motor with an
> >encoder BUEHLER (just a disc with an optical reader no other
> >electronic) Can somebody tell me if that encoder could be use

with

> >Geko Servodrives 340 ( could be a cheap solutio).
> >
> >
> Yes, it most likely can be. Most of the HP printers that have

rotary or

> linear encoders use
> a quadrature scheme. You will have to figure out the pinout,

however.

> It might be possible
> to trace the wiring on the printer main circuit board to figure

out

> which wires are +5
> and ground. It may also be a standard HP encoder read head.
>
> Jon