On Wed, 23 May 2012 08:36:46 +0100 Lester Caine <les...@lsces.co.uk> 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? > Les Watts had some interesting shock absorbers on his router. Half-inch threads on the cylinder with about .75 travel on the plunger. They were rated to absorb nn amount of energy in that distance. You bought them with a range of energy and they were adjustable within that range. If one can still find his website then the link may be there. I found links but looks like they've be hijacked. Maybe someone else will have better luck. Dave ------------------------------------------------------------------------------ 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
