I set FF0 to 1 and yes - it did act like the pid wasn't there So - it was something I was doing wrong lol Thank you! sam
On Sun, Feb 9, 2025 at 6:47 PM Sam Sokolik <samco...@gmail.com> wrote: > Hmm. I was just going by post by pcw on the forum.. P=1... Maybe I > read it wrong.. lol > > On Sun, Feb 9, 2025, 6:45 PM andy pugh <bodge...@gmail.com> wrote: > >> On Mon, 10 Feb 2025 at 00:33, Sam Sokolik <samco...@gmail.com> wrote: >> >> > >> > command = 1000 >> > feedback = 500 >> > error =500 >> > >> >> You get the effect of no PID if FF0 = 1. >> >> If P = 1 then output = error. >> >> Which is what you are seeing. >> >> I don't know if it will always stabilise there, I would have to do some >> maths, but it's late here... >> >> The P I and D terms only work on the error term, not the commanded. >> >> -- >> 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, 1912 >> >> _______________________________________________ >> Emc-users mailing list >> Emc-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/emc-users >> > _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
