how many wires is your encoder Jeshua? j.
On Sat, May 26, 2012 at 10:26 AM, Jeshua Lacock <[email protected]> wrote: > > Greetings, > > I am now setting up my new X axis servo with an AMT 102 encoder. > > The motor is normally dithering between 0.0003 and 0.0006 inches. > > But every now and then - for no obvious reason it jumps up to 0.02+ inches > and doesn't attempt to return to the correct location. It just jumps > randomly. > > I think it must be interference. > > The cable is double shielded and the shields are grounded to the encoder > ground the length of the cable outside my enclosure. I am suspecting the > interference is inside the enclosure where there are unshielded encoder and > power wires. > > I was thinking of carefully wrapping aluminum foil around the power wires > and grounding them, then shrink-wrapping or covering the aluminum with > electrical tape. > > Would I want to ground the power wire shield to the power supply ground or > the encoder ground? Do you think this might help? > > Anyone have any other suggestions? > > I wish I could see magnetic fields! Short of that, at times like this I > wish I had a magnet implant like this guy that can feel magnetic fields: > > http://www.wired.com/gadgets/mods/news/2006/06/71087?currentPage=all > > > Thanks, > > Jeshua Lacock > Founder/Engineer > 3DTOPO Incorporated > <http://3DTOPO.com> > Phone: 208.462.4171 > > > > ------------------------------------------------------------------------------ > Live Security Virtual Conference > Exclusive live event will cover all the ways today's security and > threat landscape has changed and how IT managers can respond. Discussions > will include endpoint security, mobile security and the latest in malware > threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
