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You may try 2.9.4 if you like.

www.linuxcnc.org/iso/linuxcnc_2.9.4-amd64.hybrid.iso

Your HDD probably has enough space to dual boot LinuxCNC 2.9.4 and 2.9.4.

Why? What's the point of having two of the same version?

Could it be that I am not using the correct version of LinuxCNC?

No, any version of LinuxCNC from 2.8 on will work with the 7I76E

Like I said you need to check


hm2_7i76e.0.7i76.0.0.spinout-minlim  
hm2_7i76e.0.7i76.0.0.spinout-maxlim   
hm2_7i76e.0.7i76.0.0.spinout-scalemax 
hm2_7i76e.0.7i76.0.0.spinena-invert  

 hm2_7i76e.0.7i76.0.0.spinout
hm2_7i76e.0.7i76.0.0.spinena

with halshow

In axis, you can run halshow with:

Machine --> Show Hal Configuration --> Watch

And also verify that you have +10V on the 7I76E SPINDLE+ pin
(TB4 pin 3) relative to SPINDLE- (TB4 pin 1)

 

drive.google.com/file/d/1lh_3pexmAgHTyC0.../view?usp=drive_link

Could it be that I am not using the correct version of LinuxCNC?



 

You should be able to debug spindle operation by using halshow
to look at the spindle pins as you set the spindle speed to different values
Important things to watch are:

hm2_7i76e.0.7i76.0.0.spinout-minlim  
hm2_7i76e.0.7i76.0.0.spinout-maxlim   
hm2_7i76e.0.7i76.0.0.spinout-scalemax 
hm2_7i76e.0.7i76.0.0.spinena-invert  

 hm2_7i76e.0.7i76.0.0.spinout
hm2_7i76e.0.7i76.0.0.spinena


Also make sure then the electrical connections are correct
(so you have 10V from SPIN+ to SPIN-)

I was able to correct the IP address
it doesn't work, I can set cw-cww-enable but no speed.
I am trying to update and it cannot find the linuxcnc repository , gives an error
I am using 2.9.5

Should I reinstall everything again?
I don't understand what is happening

Yes, the sample file is set for a 10.10.10.10 IP address
if you are using 192.168.1.121, you will get that error
 

Is the networking set up for Mesa?
Is the IP address on the board set same as in the config?

Houston !!! i have a problem!!!