Re: Electrocraft Servos E543 Encoders

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "photoshop4eva" <christopher@m...>
wrote:

> --- In CAD_CAM_EDM_DRO@yahoogroups.com, Jon Elson <elson@p...> wrote:
> >
> >
> > photoshop4eva wrote:
> >
> > >Hello,
> > >
> > >I recently aquired a pair of Reliance-Electric Electro-Craft servos
> model E543 (which I've
> > >seen mentioned previously here). I'm looking for infomation on the
> encoders that came
> > >attached to the motor. They're the rotary type, but instead of 4
> wires, they have a 10 pin
> > >ribbon cable. I know that US Digital makes some encoders that use
> this type of
> > >conncection, are the pin-outs a non-manufacturer specific standard?
> Does anyone have
> > >experience in using this 10 pin ribbon in conjunction with the
> Gecko 320?
> > >
> > >
> > >
> > There are no standards. In many cases, these motors were made
> semi-custom
> > for an OEM, and the connector was specified by the buyer.
> >
> > 10 wires on a brush motor makes me think they most likely have
> differential
> > outputs and an index channel. that would account for 8 wires, plus
> a shield
> > would bring it to 9.
> >
> > Do the encoders have a part number? I have some HP QEDS-7163 encoders
> > that have a 10-pin ribbon cable. These are NOT differential, however.
> > They have analog output, as well as digital, and some more wires
> that are
> > not connected. They would be compatible with Gecko drives.
> >
> > Jon
>
>
> Thanks for the help. This is the info I have:
>
> Model E543
> Part # 543-011-0740
> Customer Part # 4027126-04
> Serial # G075958
> Date Code 3993
>
> The Encoder has two numbers printed on it:
> 9336 (Serial?)
> 79500-005
>
> Any info would be GREATLY appreciated.
>
> -Christopher

If I can't find a spec on these (which seems to be the case), is there any way to ID the pins
- a sophisticated guess and check method perhaps? I just don't know what I'm looking for.

-Christopher