CAD CAM EDM DRO - Yahoo Group Archive

EMC steps/rev calibration-SOLVED

Posted by nahydro
on 2002-06-03 11:01:25 UTC
Thanks to all for their input on this maddening problem. The problem
turned out to be the EMC (bug?) which allows some portion of EMC to
continue consuming resources after it has been shut down. Subsequent
instances of EMC then seem to hang/stall and the mouse tracks
intermittently. I atributed this behavior to the changes I'd been
making in INPUT_SCALE. I've since located a FAQ or two that detail
this behavior. Knowing about this behavior in advance would have
saved me 50 hours of debug time...grrrrr.

After 3 EMC reinstallations, and dozens of hard shutdowns due to a
hung system, all is now forgiven now that it's running fine :)

Thanks to all,

r


--- In CAD_CAM_EDM_DRO@y..., "Tim Goldstein" <timg@k...> wrote:
> I think you have the wrong value. Your encoders are likely 500 line
> which gives you 2000 counts per rev. So, you really need 10,000 as
your
> factor.
>
> Tim
> [Denver, CO]
>
> > Alan:
> >
> > Thanks for trying. I wish it was as simple as mis reading the
jumper
> > setting. I've tried all four positions, and am convinced I have
that
> > part right.
> >
> > I am now running the G340 at 1x, 500 cpr encoder, and 5 tpi
> > screw...which should make INPUT_SCALE 500*5 or 2500. I am using
> > steppermod. A one inch jog results in the motor turning about
1.25
> > revs instead of 5.

Discussion Thread

nahydro 2002-05-31 02:15:31 UTC EMC steps/rev calibration Alan Marconett KM6VV 2002-05-31 10:35:09 UTC Re: [CAD_CAM_EDM_DRO] EMC steps/rev calibration nahydro 2002-05-31 10:47:52 UTC Re: EMC steps/rev calibration andyolney 2002-05-31 12:08:06 UTC Re: EMC steps/rev calibration Alan Marconett KM6VV 2002-05-31 12:41:46 UTC Re: EMC steps/rev calibration nahydro 2002-06-01 00:14:18 UTC Re: EMC steps/rev calibration stephen_stallings 2002-06-01 06:37:32 UTC Re: EMC steps/rev calibration Dan Mauch 2002-06-01 06:44:15 UTC RE: [CAD_CAM_EDM_DRO] Re: EMC steps/rev calibration Ray Henry 2002-06-01 08:02:37 UTC Re: Re: EMC steps/rev calibration Tim Goldstein 2002-06-01 10:32:44 UTC RE: [CAD_CAM_EDM_DRO] EMC steps/rev calibration nahydro 2002-06-01 11:35:06 UTC Re: EMC steps/rev calibration nahydro 2002-06-01 11:40:54 UTC Re: EMC steps/rev calibration Alan Marconett KM6VV 2002-06-01 12:11:10 UTC Re: EMC steps/rev calibration Ray Henry 2002-06-01 12:55:07 UTC Re: Re: EMC steps/rev calibration nahydro 2002-06-03 11:01:25 UTC EMC steps/rev calibration-SOLVED studleylee 2002-06-03 16:05:24 UTC Re: EMC steps/rev calibration-SOLVED nahydro 2002-06-03 17:23:10 UTC Re: EMC steps/rev calibration-SOLVED Ray Henry 2002-06-04 07:44:06 UTC Re: Re: EMC steps/rev calibration-SOLVED nahydro 2002-06-04 17:39:39 UTC Re: EMC steps/rev calibration-SOLVED William Scalione 2002-06-04 22:19:00 UTC Re: [CAD_CAM_EDM_DRO] Re: EMC steps/rev calibration-SOLVED