On Mar 16, 2009, at 6:08 AM, Michael Buesch wrote: > On Monday 16 March 2009 13:12:23 aaron moore wrote: >> I don't understand this stuff, but I am using 2 power supply >> units...does that make it any better? > > Well, this depends on how your steppers are rated. > If you have 3A steppers, you should have a PSU of at _least_ 10A (3 > * 3A + 1A). > You should not run the PSU at its very limit, because it could > cause current drops, > if the current limiter hits while moving all three steppers. That > in turn can cause > lost steps. > > -- > Greetings, Michael.
Well, at least the above premise is testable. See if you can wring more speed out of the system by just running one axis at a time. Also, 40 volts for the steppers doesn't sound very high. Come on you stepper experts help me out here. I run servos so just lurk on the stepper side of things. Dave > > ---------------------------------------------------------------------- > -------- > Apps built with the Adobe(R) Flex(R) framework and Flex Builder(TM) > are > powering Web 2.0 with engaging, cross-platform capabilities. > Quickly and > easily build your RIAs with Flex Builder, the Eclipse(TM)based > development > software that enables intelligent coding and step-through debugging. > Download the free 60 day trial. http://p.sf.net/sfu/www-adobe-com > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------------ Apps built with the Adobe(R) Flex(R) framework and Flex Builder(TM) are powering Web 2.0 with engaging, cross-platform capabilities. Quickly and easily build your RIAs with Flex Builder, the Eclipse(TM)based development software that enables intelligent coding and step-through debugging. Download the free 60 day trial. http://p.sf.net/sfu/www-adobe-com _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users