Re: [Emc-users] PID odd behavior. Is it me? Probably?

2025-02-09 Thread Sam Sokolik
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 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, 6:4

Re: [Emc-users] PID odd behavior. Is it me? Probably?

2025-02-09 Thread Sam Sokolik
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 wrote: > On Mon, 10 Feb 2025 at 00:33, Sam Sokolik wrote: > > > > > command = 1000 > > feedback = 500 > > error =500 > > > > You get the effect of no PID if FF0 = 1

Re: [Emc-users] PID odd behavior. Is it me? Probably?

2025-02-09 Thread andy pugh
On Mon, 10 Feb 2025 at 00:33, Sam Sokolik 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

[Emc-users] PID odd behavior. Is it me? Probably?

2025-02-09 Thread Sam Sokolik
On the monarch I have a relatively rube goldberg setup to run the spindle motor. It requires 0-1000 rpm be controlled by the field - then 1000 to 2500 run by the field being weakened. I setup a hal file using a couple lincurve components (and some other logic) So - If I enter 1000 rpm - I get