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This is the call that starts the touch probe routine with those settings.
Here is the actual probing program code.
github.com/LinuxCNC/linuxcnc/blob/2.9/li...f_subprogram.py#L179

First - I have NO idea what I did to fix it... but it is working now. I feel like I 'proved' the Infinite Monkey theorem ...(en.wikipedia.org/wiki/Infinite_monkey_theorem)

That said, when it WASN'T (or being pessimistic about the the future - when it DOESN'T) working, the target you refer to, was appearing but the DRO was not zeroing.

I'm going to do a text comparison of the now working INI and HAL files with the almost working INI and HAL. The almost working files allow me to start the router, move it around and homes without error... except it does not zero the DROs.

Arden

Guessing but it sounds like the component uses global C variables.
Check out 8.4 here linuxcnc.org/docs/html/hal/comp.html#_per_instance_data_storage if relevant.