On May 23, 2012, at 1:36 AM, Lester Caine wrote: > Jeshua Lacock wrote: >> I am guessing there is not an easy way to detect this condition, but I >> wanted to see if anyone else has any thoughts on the subject. > > I would have thought that if the motor turned more than 1/2 a turn or so but > the > encoder feed produced no pulses then this would be an easily detected error > condition? If you are getting pulses from one channel only, then that is very > easily detected ... > Surely a 'runaway' like this SHOULD be handled by the servo driver? > > Is there a market for a module to monitor the two encoder feeds and us it in > conjunction with either the index pulse or an extra source that indicates > that > the encoder should be giving output?
Hi Lester, I am not *sure* what wire was loose, but I *suspect* that the encoder lost power…. Best, 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 Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
