Re: Litton shaft encoder - info?

I tried 5 volts to supply the encoder. I found 250 PPR from both of
the two output wires.

There ia only one track on the optically reproduced disc. (there is
also a track with one index mark but this does not appear to be read).
There are 4 leds, (infra-red so not visible). Presumably each pair
includes a light source, and a led to read the disk track. There is a
house numbered 14 pin chip on the encoder PCB.

Is it possible to get quadrature output from one encoder track only?

Grant

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "grantfair2001"
<grant.fair@s...> wrote:

> I have 3 used Electrocraft DC brush servomotors, with Litton encoders
> attached. Four leads exit the encoder housing, one red, one black, one
> yellow, one blue.
>
> The Litton part number is 720BI-250-315H-5-4. I have found nothing on
> the internet for this, does anyone have any information about this

device?

>
> Grant