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You are correct.  I forgot to sudo the first time.
I did try to run LinuxCNC with the new address.
I got the same error with the new address.
The demo runs.  Computer is not connected to the mill so I don't know if signals are going to the port.
Thanks for your assistance. 

 

There are some precise water leveling systems like these
www.precisiontools.biz/tools2/pwl/
www.wylerag.com/en/products/communicatin...icating-water-level/
www.wylerag.com/fileadmin/pdf/manuel/Com...g_Water_Level_77.pdf
They follow the curvature of earth so there are pretty accurate
for linear leveling ways when build up a machine or machine leveling...

Because water is polar molecule there is surface tension between water and hose-cups so if forms meniscus at the edge
but because cups are 50mm x 50mm meniscus formed only at the edges of cups and not in the center.
Addition of surfactant to water helps to reduce water tension.
A micrometer with a needle attached to it probe water surface and detect
differential height between surfaces.

Can resistance probe modified and used in Z axis instead of micrometer
to detect touch with water of other liquid?
This will be very simple to level machine and machine ways
with very much accuracy without special instruments.
Dro of Z will show the height difference instead of micrometer and detection
touch of probe with liquid by vision.

Because deionized water has more consistent density and DI water is not conductive
so resistance probe will be useless can be used capacitance probe ?
 

It should be here
www.mesanet.com/software/parallel/7i96s.zip

Aciera,

I shot Peter from Mesa an email and he responded saying that I could custom configure the firmware for the 7I96S using the 'periodm' command to read PWM signals. He said that redefining one of the encoder inputs would be best. I will post here as I learn more. Here is the info on said command:
linuxcnc.org/docs/scratch/html/man/man9/hostmot2.9.html#periodm

I believe that I can re-flash from the terminal on my machine. I will probably run the firmware past Peter before flashing.  Here is a couple links that explains re-flashing. Tommy has posted on one of them, perhaps you can weigh in..
forum.linuxcnc.org/38-general-linuxcnc-q...ashing-mesa-firmware
www.forum.linuxcnc.org/27-driver-boards/...a-card-7i96e-and-7i8

Does anyone have a source for the standard firmware that comes on the 7I96S? I need a base software to modify.


About M52. I should be able to edit my GCode post processor to add M52 P1.  Modifying the post processor is not too difficult using Visual Studio Code.  I assume this just needs to be posted once at the beginning of the gcode file to put the machine into adaptive mode? And maybe once again using P0 at the end to turn it off..  I can have a separate post script for EDM.

I haven't had a chance to do any research on running a PID loop inside of HAL yet.  I plan to do that and will respond here with questions and comments.  I think I should be able to figure it out using a combination of the LinuxCNC resources and ChatGPT.  I am currently out of town for thanksgiving and will not be able to test anything on hardware until I get back. 

Best,
-Dylan