On Monday 05 August 2013 11:12:43 John Alexander Stewart did opine: > Ok, so bumping up current to 3A from 2.2A this morning did not change > anything. > > The power supply is a 48v switcher from Keiling; I'm thinking of > removing all other axes and just testing one axis, and/or find another > power supply to see if it might be the issue. > > Two questions, for those who are brainiacs here. ;-) > > 1) Stepper motor wiring, if you reverse say A or A', does it affect > holding torque? I note the GeckoDrive web site, for their steppers give > a colour coding. I was under the assumption that coil polarity did not > matter, am I wrong?
Somewhat. S/b no effect on holding, but controls which way the motor turns. > 2) Here's my 5i25 config section for the G540: > > setp hm2_5i25.0.stepgen.01.position-scale [AXIS_1]SCALE > setp hm2_5i25.0.stepgen.01.steplen 1500 > setp hm2_5i25.0.stepgen.01.stepspace 2500 > setp hm2_5i25.0.stepgen.01.dirhold 2000 > setp hm2_5i25.0.stepgen.01.dirsetup 2000 > setp hm2_5i25.0.stepgen.01.maxaccel [AXIS_1]STEPGEN_MAXACCEL > setp hm2_5i25.0.stepgen.01.maxvel [AXIS_1]STEPGEN_MAXVEL > setp hm2_5i25.0.stepgen.01.step_type 0 > > Which came from the fora. > > (SCALE = 500; STEPGEN_MAXACCEL 660.0; STEPGEN_MAXVEL = 190.0) > > I don't expect this to be an issue; as it runs just fine from about > 2mm/sec on up for hours at a time. > > Thanks again for any "try this" stuff. > > JohnS. > ------------------------------------------------------------------------ > ------ Get your SQL database under version control now! > Version control is standard for application code, but databases havent > caught up. So what steps can you take to put your SQL databases under > version control? Why should you start doing it? Read more to find out. > http://pubads.g.doubleclick.net/gampad/clk?id=49501711&iu=/4140/ostg.clk > trk _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users Cheers, Gene -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) My web page: <http://coyoteden.dyndns-free.com:85/gene> is up! My views <http://www.armchairpatriot.com/What%20Has%20America%20Become.shtml> A bird in the hand makes it awfully hard to blow your nose. A pen in the hand of this president is far more dangerous than 200 million guns in the hands of law-abiding citizens. ------------------------------------------------------------------------------ Get your SQL database under version control now! Version control is standard for application code, but databases havent caught up. So what steps can you take to put your SQL databases under version control? Why should you start doing it? Read more to find out. http://pubads.g.doubleclick.net/gampad/clk?id=49501711&iu=/4140/ostg.clktrk _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
