Re: Heidenhain Absolute Multiturn Rotary Encoder

[Eric Norum <norume@aps.anl.gov>]

Neither SSI nor EnDat22 are anything at all like a standard serial port.
To find out all the details you can download a handy reference guide  
from http://www.dynapar.com/form.aspx?id=194

On Aug 29, 2007, at 8:58 AM, Steve Lewis wrote:

> At LCLS, we have a requirement for a Heidenhain model ROC-425 or  
> ECN-425 absolute multi-turn rotary encoder.  It comes with two  
> types of 'serial' interface: SSI, or EnDat22.
>
> Are any EPICS users familiar with this model?  I am just learning  
> about these interfaces.  If either of them goes directly to a  
> standard serial port, then asyn support would seem to be ideal.
>
> Thanks in advance for any advice or examples.
> --
> ______________________________________________________________
> Stephen A. Lewis                        |
> Linac Coherent Light Source             | SALewis@llnl.gov
> Lawrence Livermore National Laboratory  | Tel: 925.423.4751
> 7000 East Ave, L-210                    | FAX: 925.423.1488
> Livermore, CA 94550                     | http://www.llnl.gov

--
Eric Norum <norume@aps.anl.gov>
Advanced Photon Source
Argonne National Laboratory
(630) 252-4793