Hi John, just a reminded to not let you forget about me, please. Or any buddy else that can help; because I am still having the problems and have no idea where to start.
Thanks Andy andyholcomb wrote: > When I get it to mess up the motor-pos-cmd is jittering at the 4th 5th > 6th etc decimal place, so is the pos cmd and the pos cmd fdback. The > dir is also bouncing back and fourth but the step appears to be fine. > > Andy > > > > John Kasunich wrote: >> andyholcomb wrote: >> >>> This is a new and updated (today) install. I am running steppers >>> motors. In manual mode it works great, MDI and Auto mode it will >>> randomly go nuts on on one or two varying axises. Nuts, sometimes >>> going back and forth about 10 or 20 degrees on a axis with no movement >>> on the digits on the screen. Or, moving slowly in one direction with no >>> movements on the location display of the screen. On the MDI it seams to >>> do it when I first start up and go into that mode, I can execute some >>> code and it stops all the time I think. On the auto it will do it >>> sometimes when I go into the mode and sometimes when I get done with a >>> program. It will stop if I go back to Manual mode all the time. >>> >>> Any thoughts? >>> >>> >> >> If the display isn't changing, EMC thinks it isn't moving. Time for >> some classic "divide and conquer" debugging. EMC sends position >> commands out the HAL pins axis.n.motor-pos-cmd. Open another shell >> while EMC is running, and invoke halmeter. Select the motor-pos-cmd >> pin, and you will get a "meter" displaying the current command from EMC. >> Then do whatever you do to make it misbehave. If the meter shows no >> change, then EMC proper isn't commanding that motion. You start >> multiple halmeters - put a couple on the step generator pins as well, >> both command and feedback. If the stepgen feedback isn't changing, then >> the step generator isn't commanding that motion either. >> >> If you find something changing when it shouldn't, report back what you >> found. If none of those pins are changing but your axis is still >> moving, you probably want to look at the step pins. It doesn't make >> sense to discuss next steps in much detail, since they depend on what >> you find in the first steps. >> >> Troubleshooting is _always_ an interactive process. Ask a question, >> conduct a test to find the answer, and then ask a new question based on >> what you just discovered. >> >> Regards, >> >> John Kasunich >> >> >> >> > ------------------------------------------------------------------------ > > ------------------------------------------------------------------------- > This SF.Net email is sponsored by the Moblin Your Move Developer's challenge > Build the coolest Linux based applications with Moblin SDK & win great prizes > Grand prize is a trip for two to an Open Source event anywhere in the world > http://moblin-contest.org/redirect.php?banner_id=100&url=/ > ------------------------------------------------------------------------ > > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
