On Tue, 2009-09-15 at 11:06 -0400, Dave wrote: > Chris Radek wrote: > > On Mon, Sep 14, 2009 at 07:12:48PM -0400, Dave wrote: > > > > > >> Will the > >> EMC2 engine just wait on a threading cycle until the index pulse is > >> seen, and once it is seen, start the cycle? > >> > > > > Yes > > > Good, so if my spindle is going too fast for the PC to pickup the index > pulse each rev it might have to wait for a few revs before it picks it > up I guess... > > If that becomes an issue (waiting) and I put a pulse stretcher on the > index pulse and the stretcher makes the pulse longer than the other > encoder pulses at the rpm the spindle is > running will that be a problem?
IMO you'd want it to be no more than a pulse wide or the threading may start at any of the pulses that the index spans. HTH Rayh ------------------------------------------------------------------------------ Come build with us! The BlackBerry® Developer Conference in SF, CA is the only developer event you need to attend this year. Jumpstart your developing skills, take BlackBerry mobile applications to market and stay ahead of the curve. Join us from November 9-12, 2009. Register now! http://p.sf.net/sfu/devconf _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
