I don't think that's true that they have to be compliments. There probably is a way to adjust the levels like I mentioned in my previous email. Is the manual online, or did you just get a paper copy? I wonder if it's an issue with the signals not being +/- with respect to ground. Is it a Heidenhein encoder? Eric Keller Boalsburg, Pennsylvania
On Sun, Sep 19, 2021 at 11:50 AM Curtis Dutton <curtd...@gmail.com> wrote: > Ok after thinking about it more, the interpolate is expecting that the > incoming sin/cos signals a,a* are actual inverse values. however this > encoder is single ended, it just has a and b signals. the a* and b* signals > are a sort of reference voltage and never change. I'll experiment with it > some more tomorrow.... > > > On Sun, Sep 19, 2021, 12:55 AM Curtis Dutton <curtd...@gmail.com> wrote: > > > It is an incremental. Magnetic sensor. Gear tooth with I think 256 teeth. > > One sin/cos cycle per tooth. > > > > On Sat, Sep 18, 2021, 10:56 PM Ralph Stirling < > > ralph.stirl...@wallawalla.edu> wrote: > > > >> A lot of very high resolution, and older encoders have > >> sine wave gratings, which give sine and cosine waveforms > >> on the A and B channels. These are connected to an > >> interpolator box that contains A/D converters and logic > >> to generate quadrature pulses. The higher the interpolation > >> ratio, the lower the max velocity allowed. > >> > >> -- Ralph > >> ________________________________________ > >> From: Gene Heskett [ghesk...@shentel.net] > >> Sent: Saturday, September 18, 2021 5:22 PM > >> To: emc-users@lists.sourceforge.net > >> Subject: Re: [Emc-users] Heidenhain IBV 610 troubles > >> > >> I don't think you have an encoder, but a resolver. If you are getting > one > >> sinesoid per full turn, its a resolver. > >> > >> > Anyhow it doesn't work and I'm not sure how to troubleshoot the black > >> > box. I have the manuals and I have tried various combinations of the > >> > dip swithches inside. > >> > > >> > does anyone have any troubleshooting tips or stories about their use > >> > of an interpolater box? > >> > > >> > > >> > Thanks, > >> > Curt > >> > > >> > _______________________________________________ > >> > Emc-users mailing list > >> > Emc-users@lists.sourceforge.net > >> > > >> > https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.sourceforge.net%2Flists%2Flistinfo%2Femc-users&data=04%7C01%7Cralph.stirling%40wallawalla.edu%7C5a5b014bf3fc4481176208d97b03a93b%7Cd958f048e43142779c8debfb75e7aa64%7C0%7C1%7C637676077932698528%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=sowEIC7aWNESysLAlCjxOMk84Inwx9pFjz4IRVk6vIo%3D&reserved=0 > >> > >> > >> Cheers, Gene Heskett > >> -- > >> "There are four boxes to be used in defense of liberty: > >> soap, ballot, jury, and ammo. Please use in that order." > >> -Ed Howdershelt (Author) > >> If we desire respect for the law, we must first make the law > respectable. > >> - Louis D. Brandeis > >> Genes Web page < > >> > https://nam12.safelinks.protection.outlook.com/?url=http%3A%2F%2Fgeneslinuxbox.net%3A6309%2Fgene&data=04%7C01%7Cralph.stirling%40wallawalla.edu%7C5a5b014bf3fc4481176208d97b03a93b%7Cd958f048e43142779c8debfb75e7aa64%7C0%7C1%7C637676077932698528%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=HxeTFPS47gukrRBopVJJ939Wg4sEwHPPRremv092Uy0%3D&reserved=0 > >> > > >> > >> > >> _______________________________________________ > >> Emc-users mailing list > >> Emc-users@lists.sourceforge.net > >> https://lists.sourceforge.net/lists/listinfo/emc-users > >> > > > > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
