On Mon, 2017-04-24 at 10:52 -0700, Peter C. Wallace wrote: > On Mon, 24 Apr 2017, Valerio Bellizzomi wrote: > > > Date: Mon, 24 Apr 2017 19:39:51 +0200 > > From: Valerio Bellizzomi <[email protected]> > > Reply-To: "Enhanced Machine Controller (EMC)" > > <[email protected]> > > To: "Enhanced Machine Controller (EMC)" <[email protected]> > > 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
not sure either what it means correctly here, I have re-run pncconf on the same file and it generated a value of P = 6000 ! > > > 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 > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------------ 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 [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
