Dave wrote: > Jon, > > Are those serial encoders clocked by the attached device like a SSI > encoder? If that is the case, perhaps you can clock them faster than > 100K per second. > No, apparently not. These seems to just be two pairs, REQ and SD. REQ is the request, which makes all encoders sample position at the same time. SD is serial data. > I wonder if those Fanuc encoders aren't passing a lot more than just > encoder data? > Well, they apparently have a checksum and commutation info. Maybe they also have velocity. > A millisecond for an encoder reading seems like a very long time. > > Siemens has brand labeled Heidenhain two bearing encoders for years, and > obviously SEW uses them also. I wonder if Fanuc makes their own or ? > Yeah, you bet, Fanuc makes their own, they have an entire factory just for encoders.
Jon ------------------------------------------------------------------------------ WhatsUp Gold - Download Free Network Management Software The most intuitive, comprehensive, and cost-effective network management toolset available today. Delivers lowest initial acquisition cost and overall TCO of any competing solution. http://p.sf.net/sfu/whatsupgold-sd _______________________________________________ Emc-developers mailing list Emc-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-developers