ahhh yes this is where this should have went :)
half as much huh???? does your drive step on rise? step on fall or both? until i realized that mine stepped on rise and fall i was a bit confounded myself . also do you have the - pins strapped to ground plane? yep that one got me too !!!!! the half as much though was definitely from stepping both on rise and fall . sporadic loss of steps and dir changes were a result of the open ground loop jeremy youngs On Mon, Feb 24, 2014 at 8:00 AM, John Alexander Stewart <ivatt...@gmail.com>wrote: > I had an issue on my mill - Mesa 5I25 and Gecko G540, where it would loose > steps in the positive X direction. Not much, but a small percentage of > steps. > > Turns out I was driving G540 with too narrow pulses, and a small percentage > of the time the Optoisolators on the G540 would miss one of the pulses. > > It was on the Positive X direction, never on the negative X direction; > which as strange, but increasing pulse lengths cured MY issue. > > Can you increase the pulse timings ?? Just a thought - > > John. > > > On Mon, Feb 24, 2014 at 4:46 AM, andy pugh <bodge...@gmail.com> wrote: > > > On 20 February 2014 15:37, Rusty Russell <rusty1...@gmail.com> wrote: > > > I am rather new to this, and I don't know of anyone locally to help > > > (Huntsville, AL area). Using a Sain Smart B.O.B and Driver boards. > All > > > three axes work correctly when instructed to traverse in a negative > > > direction, however, when instructed positive, only travel half the > > > distance. > > > > Well _that's_ an interesting one :-) > > > > Without thinking too hard about the possible permutations I would > > first check that the step, direction and enable pins are actually > > correctly allocated. Mixing them up can have interesting effects like > > this (though I have not heard of this exact symptom before) > > > > -- > > atp > > If you can't fix it, you don't own it. > > http://www.ifixit.com/Manifesto > > > > > > > ------------------------------------------------------------------------------ > > Flow-based real-time traffic analytics software. Cisco certified tool. > > Monitor traffic, SLAs, QoS, Medianet, WAAS etc. with NetFlow Analyzer > > Customize your own dashboards, set traffic alerts and generate reports. > > Network behavioral analysis & security monitoring. All-in-one tool. > > > > > http://pubads.g.doubleclick.net/gampad/clk?id=126839071&iu=/4140/ostg.clktrk > > _______________________________________________ > > Emc-users mailing list > > Emc-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > > ------------------------------------------------------------------------------ > Flow-based real-time traffic analytics software. Cisco certified tool. > Monitor traffic, SLAs, QoS, Medianet, WAAS etc. with NetFlow Analyzer > Customize your own dashboards, set traffic alerts and generate reports. > Network behavioral analysis & security monitoring. All-in-one tool. > > http://pubads.g.doubleclick.net/gampad/clk?id=126839071&iu=/4140/ostg.clktrk > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ Flow-based real-time traffic analytics software. Cisco certified tool. Monitor traffic, SLAs, QoS, Medianet, WAAS etc. with NetFlow Analyzer Customize your own dashboards, set traffic alerts and generate reports. Network behavioral analysis & security monitoring. All-in-one tool. http://pubads.g.doubleclick.net/gampad/clk?id=126839071&iu=/4140/ostg.clktrk _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
