On Dec 17, 2013, at 7:33 PM, Peter C. Wallace <p...@mesanet.com> wrote:
> On Tue, 17 Dec 2013, Jeshua Lacock wrote: > >> Date: Tue, 17 Dec 2013 19:29:46 -0700 >> From: Jeshua Lacock <jes...@3dtopo.com> >> >> On Dec 17, 2013, at 7:17 PM, "Peter C. Wallace" <p...@mesanet.com> wrote: >> >>> On Tue, 17 Dec 2013, Jeshua Lacock wrote: >>> >>>> Date: Tue, 17 Dec 2013 18:57:25 -0700 >>>> From: Jeshua Lacock <jes...@3dtopo.com> >>>> >>>> p.s. >>>> >>>> It still can go plenty fast (200+ ipm) using manual control or MDI... >>> >>> If my math is right it looks like it blew up at >200 IPM >>> (d/dt pos ~4 so ~4 IPS or 240 IPM) >>> >>> Does the error happen in the same place if you run the program again? >> >> It looks like Max Velocity was at the default max (912 in/min) for that >> test, but I confirmed it does the same thing with max velocity set way low >> like 16 in/min. >> >> Interesting it would go that fast though because currently the limits I have >> set for testing in the config file are far lower than that. E.g. that >> MAX_VELOCITY for that drive is currently set to 30.5 and PID_MAX_VEL is set >> to 30.65. >> >> It does seem to stop on the same gcode line for any given gcode file. > > can you add a plot of the commanded velocity? Sure thing, please see: http://3dtopo.com/z-servo-plot2.png It is now the 4th channel (purple). You can also see my LinuxCNC window and the line it stops at for this file. Best, Jeshua Lacock Founder/Engineer 3DTOPO Incorporated <http://3DTOPO.com> Phone: 208.462.4171 ------------------------------------------------------------------------------ Rapidly troubleshoot problems before they affect your business. Most IT organizations don't have a clear picture of how application performance affects their revenue. With AppDynamics, you get 100% visibility into your Java,.NET, & PHP application. Start your 15-day FREE TRIAL of AppDynamics Pro! http://pubads.g.doubleclick.net/gampad/clk?id=84349831&iu=/4140/ostg.clktrk _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users