On Saturday 04 July 2015 10:51:35 John Thornton wrote: > Electrically I assume your correct, however LinuxCNC requires the > index to be off or something like that which smarter minds than me can > describe, until the index. Or Z has to be on and Z/ off or vise versa. > In any case if you setp motion.spindle-index-enable 1 and the > index-enable goes back to false immediately then it is likely your > polarity is wrong unless your sitting on the index. > > JT
In other words, its not the index input itself, but an "index seen" tally. That makes sense. And it would be polarity sensitive unless you add some edge detectors to your .hal file. You could set that for the edge you want in the .hal file. Problem s/b solved. > On 7/4/2015 7:38 AM, Gene Heskett wrote: > > On Saturday 04 July 2015 06:43:27 John Thornton wrote: > >> Is your index pulse the correct polarity? > >> > >> http://gnipsel.com/linuxcnc/tuning/encoder.html > >> > >> JT > > > > I haven't previously seen that, John, thanks. > > > > ISTR the index pulse detection is on an edge, so the only effect of > > changing its polarity should be the equ of its width on the lockup > > condition, perhaps 2 degrees maximum, dependent on how wide the > > index slot is in your machine. > > ---------------------------------------------------------------------- >-------- Don't Limit Your Business. Reach for the Cloud. > GigeNET's Cloud Solutions provide you with the tools and support that > you need to offload your IT needs and focus on growing your business. > Configured For All Businesses. Start Your Cloud Today. > https://www.gigenetcloud.com/ > _______________________________________________ > Emc-developers mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-developers Cheers, Gene Heskett -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) Genes Web page <http://geneslinuxbox.net:6309/gene> ------------------------------------------------------------------------------ Don't Limit Your Business. Reach for the Cloud. GigeNET's Cloud Solutions provide you with the tools and support that you need to offload your IT needs and focus on growing your business. Configured For All Businesses. Start Your Cloud Today. https://www.gigenetcloud.com/ _______________________________________________ Emc-developers mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-developers
