2010/4/7 Alex Joni <[email protected]>
> > > On 4/7/2010 5:59 PM, Slavko Kocjancic wrote: > >> Hello... >> >> I just wonder how to measure if stepper lost steps and come to idea to use >> home switch. >> But I have no idea how to implement this. The idea is simple: >> 1'st home the machine >> 2'nd make test moves >> 3'rd rehome machine >> >> In rehoming the EMC just need to read position before setting new home >> position as is dictated in ini file. and the difference is measure of lost >> steps... or accuracy problems. >> >> >> > I would connect the home input to the probe input. > Home first, then do some moves, then do a probe towards zero, and look at > the point where the probe (home switch ) tripped. > > Note: you might have to have this connection inactive during homing (maybe > it complains that the probe has been hit without a probing move..). You can > achieve that in various ways (either an and2 with a digital output set by > M5x or simply connect the home switch with the probe after you did the > homing, etc). > > Regards, > Alex > > Can't do that as I have home as limits. ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
