Todd, the ini and hal config were in the first post.... > On Jun 20, 2017, at 9:21 AM, Todd Zuercher <zuerc...@embarqmail.com> wrote: > > I just checked my config on my step/dir servo machine, and it is homing to > index on 2 of the axis. It is not having and problems. Maybe you have a > configuration problem. > Could you post a copy of your ini and hal file somewhere where we could check > it over. > > ----- Original Message ----- > From: "Tom Easterday" <tom-...@bgp.nu> > To: "Enhanced Machine Controller (EMC)" <emc-users@lists.sourceforge.net> > Sent: Tuesday, June 20, 2017 9:00:22 AM > Subject: Re: [Emc-users] following error only while homing > > Andy, you are correct it is related to using index. Homing works fine if I > don't use index. The encoder reset makes sense as to why it CAN happen (but > shouldn't be). Is this just a bug? I would try to home a second time but as > Todd says, I can't clear the error. Linuxcnc shuts off when it happens and > pressing on just immediately faults again. I have to exit and restart it. > > -Tom > >> On Jun 20, 2017, at 8:13 AM, Todd Zuercher <zuerc...@embarqmail.com> wrote: >> >> >> ----- Original Message ----- >>> From: "andy pugh" <bodge...@gmail.com> >>> To: "Enhanced Machine Controller (EMC)" <emc-users@lists.sourceforge.net> >>> Sent: Tuesday, June 20, 2017 4:27:46 AM >>> Subject: Re: [Emc-users] following error only while homing >>> >>>> On 20 June 2017 at 03:51, <tom-...@bgp.nu> wrote: >>>> >>>> Why would I get a following error only while homing >>> >>> >>> I think it is probably because you are using HOME_USE_INDEX (which >>> will >>> zero the encoder at the index pulse) and feeding the encoder feedback >>> back >>> into LinuxCNC. >>> >>> Now, this is perfectly normal, and with a servo / pid machine the >>> system >>> knows to ignore the f-error immediately after an encoder reset. What >>> is >>> puzzling me here is why it isn't working in this case. I think it is >>> something to do with the fact that your system is set up for >>> open-loop step >>> position control but has encoder feedback. However I can't >>> immediately see >>> why this makes a difference. >>> >>> I imagine that if you press the home button again it will home Z >>> seamlessly, and then f-error homing the next axis. >>> >>> >>> -- >>> atp >> >> Andy, >> >> I wish that were true. For some reason my analog servo machine trips up and >> sets a following error on an axis about 25% of the time when trying to home >> to index for the first time after turning on LInuxcnc. (Almost every time >> since it is a 4 axis machine.) But the alarm is easily cleared, and it >> always homes fine the 2nd try. I have never been able to figure out why, >> and no one else seems to have been able to replicate the problem. >> >> His problem sounds different since he says can't clear the alarm. >> >> My other machine with step/dir servos, doesn't have encoder index to home >> to. But it does home fine without ever setting following errors. >> >> ------------------------------------------------------------------------------ >> 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 > > ------------------------------------------------------------------------------ > 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
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