I still don't follow though, how mesa hardware uses the index. Does it zero it the first time, or how does that bubble up to lcnc?
On Mon, Oct 17, 2016 at 8:18 AM, andy pugh <bodge...@gmail.com> wrote: > On 17 October 2016 at 12:59, Erik Friesen <e...@aercon.net> wrote: >>> The "bldc" component offers a few options. If there are no hall >>> signals then using the encoder index (if there is one) is probably >>> best. >> >> So what, blind feed the thing at the beginning? > > Yes, the component can just feed a rotating field to the motor until > index is seen. > This does mean that the machine will move a bit during the motor-homing phase. > >> Also, I don't seen anywhere how to go about using a home switch + >> encoder index to accurately home. > > I haven't tried that in conjunction with index-based commutation, but > I don't think that they would interfere with each other. > (I think that I would normally choose to home the motor commutation at > machine-on rather than as part of the homing sequence. > > -- > atp > "A motorcycle is a bicycle with a pandemonium attachment and is > designed for the especial use of mechanical geniuses, daredevils and > lunatics." > — George Fitch, Atlanta Constitution Newspaper, 1916 > > ------------------------------------------------------------------------------ > Check out the vibrant tech community on one of the world's most > engaging tech sites, SlashDot.org! http://sdm.link/slashdot > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, SlashDot.org! http://sdm.link/slashdot _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
