On 11 October 2016 at 11:19, linden <l...@island.net> wrote: > current plan for linear axis > > - Run the servo in position mode > > - Feed the servo drive a step and direction signal from linuxcnc let > the drive do its magic with its own pid loop.
The DYN4 can run in analogue-controlled velocity mode. That might be worth considering. It probably doesn't work any better than running the loop in the drive, but it is easier to see what the loop is doing. (Actually, it might also work better, as there is the possibility of using velocity feed-forward) -- atp "A motorcycle is a bicycle with a pandemonium attachment and is designed for the especial use of mechanical geniuses, daredevils and lunatics." — George Fitch, Atlanta Constitution Newspaper, 1916 ------------------------------------------------------------------------------ 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
