On Mon, 24 Apr 2017, Valerio Bellizzomi wrote: > Date: Mon, 24 Apr 2017 19:39:51 +0200 > From: Valerio Bellizzomi <vale...@selnet.org> > Reply-To: "Enhanced Machine Controller (EMC)" > <emc-users@lists.sourceforge.net> > To: "Enhanced Machine Controller (EMC)" <emc-users@lists.sourceforge.net> > Subject: Re: [Emc-users] Drive Parameters > > On Sun, 2017-04-23 at 16:42 +0200, Valerio Bellizzomi wrote: >> Hello, >> I have found the parameters here >> http://wiki.linuxcnc.org/cgi-bin/wiki.pl?Stepper_Drive_Timing >> >> and wrote them in the .ini file, tested the motor and it still >> vibrates. >> >> > > well well, apart of timing there is the P parameter which is important > > pncconf wrote a P value of 10000, which is too high and make the motor > vibrate > > I wrote a P value of 100, that resolved the problem. completely.
P should normally be 1/servo thread period (so 1000 for a normal 1 KHz servo thread) The current version of pncconf does set this correctly, not sure how you got yours set to 10000 Peter Wallace Mesa Electronics ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users