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 <[email protected]> wrote: > On 20 February 2014 15:37, Rusty Russell <[email protected]> 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 > [email protected] > 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 [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
