On Dec 5, 2009, at 4:59 PM, Jon Elson wrote: > Michael Jones wrote: >> Another question on my re-power project. >> >> It SEEMS that I have an issue either loosing position, or just going >> to fast.. or something. Can't put my finger on it. >> >> When I "Home All Axes" things SEEM to go in the right direction and >> home to the right position. But then if I jog the unit to a random >> position (or use the MDI to go somewhere) and then do a G0 x0 y0 I >> get >> a limit switch error most of the time.. >> > If you home to the limit switches, then you will hit a limit every > time > you go back. > So, what you need to do is offset your home position from the limit. > You just put > a non-zero number in the HOME = xx.x line for that axis in > your .ini file. > This will offset the position known as "home" that distance from the > switch > that is used to define how it homes.
I have tried anywhere from .2 to .5 in the HOME = xx.x setting with similar results. I have a feeling that this is all related to my first question in another thread about the steppers being glitchy.. I think I was getting unstable stepping and the machine didn't know where it was. My real challenge SEEMS to be getting the axis travel direction, and home settings oriented both work correctly and show on the preview display correctly. I'll have to tinker with it some more and take a look at the discussion you pointed out. Thanks, M > Section 7.3 of the integrators manual has a pretty deep discussion of > many ways that you can set up homing. > http://www.linuxcnc.org/docs/EMC2_Integrator_Manual.pdf > > Jon > > ------------------------------------------------------------------------------ > Join us December 9, 2009 for the Red Hat Virtual Experience, > a free event focused on virtualization and cloud computing. > Attend in-depth sessions from your desk. Your couch. Anywhere. > http://p.sf.net/sfu/redhat-sfdev2dev > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------------ Join us December 9, 2009 for the Red Hat Virtual Experience, a free event focused on virtualization and cloud computing. Attend in-depth sessions from your desk. Your couch. Anywhere. http://p.sf.net/sfu/redhat-sfdev2dev _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
