Nan - voltage

latest .comp nan on the second open, with lowpass at 25


attached are the two printouts

Is that on a VM or bare metal?

If baremetal is that with the plasma machine powered on?

thats on the actually plasma machine yes.
no simulations here

Can you confirm that a lowpass of 0 seems to cause no error

Have you tried a different value for lowpass, say 50

So as soon as LinuxCNC starts the nan appears. Are these numbers roughly what you see on startup:

If you want halshow to autostart, save the attached file in the config directory and add this the to ini file:

lowpass = 0 results in 0 instances of nan 20/20 tests
lowpass = 25 results in nan 11/20 tests
lowpass = 50 results in lowpass 13/20 tests


edit :
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This one should give an error message with some values when it first sees a nan, hopefully it will point us in the right direction.


Edit: Oops, I missed a variable. I replaced the file...

no worries, il give it a go as soon as i get to the shop tommorrow
thank you phill.

I'm sure we'll get there eventually.
I made a Stretch VM today to match your machine and built master branch to the same commit version you have and still can't get a single nan so it's all guesswork on my part.

here is your generated error


edit: and now i know how to screenshot!!! winning

Tesremos wrote: here is your generated error


edit: and now i know how to screenshot!!! winning

So clearly as I suspected, and mentioned before, the calibration values in the GUI are not making it to plasmac.comp.

The simplest workaround is to configure Plasmac in hal. Try something like this in your postgui.hal file

EDIT: There is no need at all to have these values in the GUI as once set up, they never need changing. I suggest taking those values out and using some INI file settings to populate them (or a setp in my connections)