Experimental Physics and
Industrial Control System

"Kurt A. Goetze" <[email protected]> · Mon, 20 Oct 2003 17:10:07 -0500

Robert,

If you are running synApps, OMS boards, and the "APS standard" motor
connection hardware, then the easiest way to read your encoder into EPICS
is to use the OMS VME58-4E card.  You also could use something like this
http://www.usdigital.com/products/ad4b/
and read the encoder counts with an EPICS generic serial record.

Kurt Goetze
APS/AOD/Beamline Controls

Robert Henning wrote:

> I am trying to integrate some Renishaw encoders into EPICS and I am
> trying to find a simple solution.  I don't have a lot of experience with
> encoders so any comments or suggestions would be welcome.  At this point
> I only want to use the encoders to verify my stepper motor position and
> I was hoping for a simple RS232 interface.  I know this has been done
> with other brands of encoders but I have not seen anything with the
> Renishaw brand.  The encoders have "Differential signals in quadrature
> to RS422 - output via line drivers".
>
> I know I could use the OMS58-4 card but I think that is more then I
> need.  I just want to be able to read in the information to EPICS for
> now.
>
> Thanks in advance,
>
> Robert Henning
> Operations Manager/Beamline Scientist/User Support Specialist
> University of Chicago at Argonne
> 9700 South Cass Avenue
> BioCARS - Building 434 B
> Argonne, IL 60439
> phone: (630) 252-0446
> fax:   (630) 252-0443

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System