> On Sun, 2008-11-30 at 19:52 -0800, Kirk Wallace wrote: >> On Sun, 2008-11-30 at 20:20 -0700, [EMAIL PROTECTED] wrote: >> > Hi >> > I reduced Default_valacity =1. >> > Max_velacity =2.0 >> > Default_acceleration = 2.0 >> > Max_acceleration =3.0 >> > >> > The picture is: >> > www.conceptmachinery.com/Sh12.jpg >> > >> > >> > >> > I reduced most of them by 2-3 times and graph looks good. I will post >> it >> > in 20 minutes. >> > I am interesting why my drive can not output more voltage? >> > Not power enough? It is SD-94 8 amp constant from servo dynamic >> > http://www.servodynamics.com/sd94p_servodrive.html >> > thanks >> > Aram >> >> This drive has its own PID feedback built in. You may need to decide >> which PID loopback system you want to use, EMC2 or servo drive. I would >> go with a "dumb" motor amp myself. Or, others here have a way to deal >> with "smart" drivers. Or, I may be, all together, off base. >> ------------ >> Kirk >> http://www.wallacecompany.com/machine_shop/ > > Oops, I just realized you are driving brushless motors, so maybe you > need to remove the EMC2 feedback PID, drive the driver from EMC2 in open > loop like a stepper or DC Gecko drive. The PID tuning will be done on > the brushless drive using the vendors tuning software. (?) why do i need vender software? EMC2 will close loop. SD94 come with package that includes stuff that i do not need. It is good but has special sofware etc that i do not need.
> ------------ > Kirk > http://www.wallacecompany.com/machine_shop/ > > > > ------------------------------------------------------------------------- > This SF.Net email is sponsored by the Moblin Your Move Developer's > challenge > Build the coolest Linux based applications with Moblin SDK & win great > prizes > Grand prize is a trip for two to an Open Source event anywhere in the > world > http://moblin-contest.org/redirect.php?banner_id=100&url=/ > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
