hi
i did use data from 2.5.4 for 2.6.4 - it just gives error.
i did tune up servo-dynamics motor servo motors. problem with SEM motor. it
did work ok with 2.5.4 and same PID does not work on 2.6.4
tune up logic works for servo-dynamics motor but not for SEM motor.
i found this interesting -http://www.cnccookbook.com/CCServoTuning.htm

i did increase P to get oscillation-- can not get oscillation
even when P 1000
i did increase amount for all error - deadband by 10 times to make easy for
system to work.
for now with SEM motor i get abrupt motion after which error.
with P10 and D 0.8 i got oscillation but after 30 second it dissipated
with 2.5.4 --P was 17 and D0.01- and it did work
what abrupt motion shows -- need increase D and i did try it -- or reduce P
because system not stable ?

On Wed, Nov 26, 2014 at 8:28 PM, Gene Heskett <[email protected]> wrote:

> On Wednesday 26 November 2014 20:22:13 a k did opine
> And Gene did reply:
> > No. I did new tune up for 2.6.4.
> > i did not use 2.5.4 config, because when i moved from 2.2.5 to 2.5.4
> > tune up figures (PID) was absolutely different. so for 2.6.4 i did
> > fresh tune up.
>
> >From 2.2.5 to 2.5.4 was one hell of a jump, representing around 4 or 5
> years worth of refinements in how it works, including some changes in the
> hal syntax to something that actually made sense.  But from 2.5.4 to
> 2.6.4, any changes in the .ini or .hal file in the 2.6.4/config directory
> are very very small.
>
> But you have to do it "Your way" instead of at least trying what these
> knowledgeable people are telling you to do.  Its as if anything they ask
> you to do becomes the last thing that will not get done because you've run
> out of patience for the day, and by tomorrow you will have totally
> forgotten it.
>
> Are we/they talking to a fencepost with dead batteries in its hearing
> aids?  The results we are getting from telling you to do something are
> very discouraging WHEN YOU WON'T DO IT!
>
> These kind people really DO know what they are talking about, and if you
> will just do as they say, you will have a working machine many times
> quicker than you will if you just go charging in and change something that
> in several cases here as I've watched this, that you WILL have to go back
> and fix later because you broke it worse.
>
> >
> > But problem that i described - really strange. When machine power up F2
> > ON-- shaft of motor moves but no encoder data change on display (axis)
> > looks like -- encoder disconnected---
> > and after turn power OFF -- click on F2 -- and turn shaft of the motor
> > by hand -- and change position of shaft of the motor reflected by
> > change figures on monitor.
> > that is strange but that what i have .
> >
> > On Wed, Nov 26, 2014 at 4:52 PM, Peter C. Wallace <[email protected]>
> wrote:
> > > On Wed, 26 Nov 2014, a k wrote:
> > > > Date: Wed, 26 Nov 2014 16:16:10 -0800
> > > > From: a k <[email protected]>
> > > > Reply-To: "Enhanced Machine Controller (EMC)"
> > > >
> > > >     <[email protected]>
> > > >
> > > > To: "Enhanced Machine Controller (EMC)"
> > > > <[email protected]
> > > >
> > > > Subject: [Emc-users] encoder--?
> > > >
> > > > hi
> > > > i just found strange thing with motor encoder.
> > > > i am doing tuneup.
> > > > axis x and z has same motor - nema 34 from servo dynamic and y axis
> > > > has
> > >
> > > SEM
> > >
> > > > .motor.
> > > > they all work ok with 2.5.4.
> > > > with 2.6.4 i can see that on axis Y (SEM motor) , when click F1
> > > > (took off e-stop) than F2- power on - SEM motor start slowly
> > > > rotate -- maybe noise
> > >
> > > -
> > >
> > > > maybe not--- interestingly encoder number did not show any changes
> > > > -- rotation of the shaft of the SEM motor.
> > > > maybe encoder problem? No encoder is good!!
> > > > When i click F2 - power OFF -- and start rotate axis by the hand --
> > >
> > > encoder
> > >
> > > > data start change ( on axis display).
> > >
> > > Are you using identical hal and ini files on 2.6.4 and 2.5.4?
> > > if not, you should not really expect anything to work.
> > >
> > > If you have a working hal and ini file set on 2.5.4 you first must
> > > move these
> > > files from the configuration directory on your 2.5.4 system to the
> > > configuration directory on your 2.6.4 system
>
> I wouldn't move them, but I sure would copy them to the new 2.6.4/config
> directory.  And I think that is precisely what Peter meant.
>
> > >
> > > Peter Wallace
> > > Mesa Electronics
> > >
> > >
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>
> Cheers, Gene Heskett
> --
> "There are four boxes to be used in defense of liberty:
>  soap, ballot, jury, and ammo. Please use in that order."
> -Ed Howdershelt (Author)
> Genes Web page <http://geneslinuxbox.net:6309/gene>
> US V Castleman, SCOTUS, Mar 2014 is grounds for Impeaching SCOTUS
>
>
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