On Tue, 24 Sep 2013, propcoder wrote: > Date: Tue, 24 Sep 2013 22:56:26 +0300 > From: propcoder <marius.alks...@gmail.com> > Reply-To: "Enhanced Machine Controller (EMC)" > <emc-users@lists.sourceforge.net> > To: emc-users@lists.sourceforge.net > Subject: Re: [Emc-users] MESA 8i20 - how to get more juice from it? > > There are so many parameters (instead of 1 actually needed IMO): > current-minlim, maxlim > current-scalemax > nvmaxcurrent > > Maybe current-scalemax should be equal to 1? > > By the way, neither driver nor motor did not heat as it would at such > currents as I think.. > > I don't have such ammeter now, but I will try to get one. > > On 2013.09.24 22:46, andy pugh wrote: >> If the PID maxoutput is 20 then you need to set the scalemax parameter >> to 20 too, as things are you are only getting 80% of max current. >> >> However, that current_should_ be 30A, as that is the nvmaxcurrent. >> >> Do you by any chance have a clamp-on ammeter? It would be instructive >> to see what current you are actually getting. >
Also you will not get full torque, as a 3.6 KW motor is about 2x too big for the 8I20 (16A cont = ~50-60A peak) > > > ------------------------------------------------------------------------------ > October Webinars: Code for Performance > Free Intel webinars can help you accelerate application performance. > Explore tips for MPI, OpenMP, advanced profiling, and more. Get the most from > the latest Intel processors and coprocessors. See abstracts and register > > http://pubads.g.doubleclick.net/gampad/clk?id=60133471&iu=/4140/ostg.clktrk > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > Peter Wallace Mesa Electronics (\__/) (='.'=) This is Bunny. Copy and paste bunny into your (")_(") signature to help him gain world domination. ------------------------------------------------------------------------------ October Webinars: Code for Performance Free Intel webinars can help you accelerate application performance. Explore tips for MPI, OpenMP, advanced profiling, and more. Get the most from the latest Intel processors and coprocessors. See abstracts and register > http://pubads.g.doubleclick.net/gampad/clk?id=60133471&iu=/4140/ostg.clktrk _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
