On 9/8/23 12:28, Viesturs Lācis wrote:
piektd., 2023. g. 8. sept., plkst. 19:07 — lietotājs gene heskett
(<ghesk...@shentel.net>) rakstīja:
Now I've another data missmatch, since when is a "not" not a true/false
invertor? I can't feed it into a mux2 in for the sample to hold???
https://linuxcnc.org/docs/2.6/html/man/man9/mux2.9.html says that mux2
inputs are floats, not output is bit
Viesturs
So I've found but I'm making (slow) progress on re-inventing this wheel
anyway. This hal code has had several boatloads of stuff added to it
over the last decade. Needs a really good re-organization. This
machine has learned quite a few new dance steps since it followed me
home under an open bed lid over the back end of a 99 GMC pu from the
grizzly store in Lycoming PA over a decade ago. I'm not done, but am at
the stage where the next step is go rip out 3 wires feeding the spindle
controller and move them to the 7i76 spin pins before I can bring in the
reversal speed profiles in series with spinout. PID's are bipolar,
spinout is not which complicates things a bit. Half tempted to just
change all the steppers to stepper/servo's & cut the power bill by 75%
at some point, but at 88 I'm also running out of time to do it. I am
using them for all new construction though as they are a whole new
ballgame. Gets rid of all PID cus its in the controller. If the
controller can't get the motor to where its told to go, linuxcnc is shut
down in its tracks. Tested to beat the band, has yet to do it mid-job.
And because the controllers internal pid error controls the motor
current, motors run cold and very quiet at working speeds, like Casper
the Ghost is turning the cranks.
Thanks Viesturs
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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, 1940)
If we desire respect for the law, we must first make the law respectable.
- Louis D. Brandeis
Genes Web page <http://geneslinuxbox.net:6309/>
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