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Ok, think I have figured it out, most of it at least. Had to make a visual representation of the HAL finnstrom posted. See attachement. Also got it sort of working on my machine. Tanks so much!Some things I'll try to adopt

• Instead of controlling with coolant-mist, I would do it with a motion.digital-out pin controlled with M62 and M63
• Trying to get the w_offset from actual w0 in current coordinate system. My thought is to touch of both Z to the work piece, and set w0 in G54 (for example) at the desired height. Then, somehow in HAL, calculate the w0 offset from w joint zero. In the (unlikely) event that I need dust shoe for G55 etc, this should enable this to work.
• In conjunction with above, I think I need jogging to work (in qtdragon) to easy set w0 current coordinate system.

Thank you so much I am still having problems setting up the limit and home switches in the main hal , I used mesa CT here are my files, I noticed you used the code down below but i cant seem to replicat it without error


# --- MIN-HOME-X ---
net min-home-x <= hm2_5i25.0.7i77.0.0.input-00-not

# --- MAX-X ---
net max-x <= hm2_5i25.0.7i77.0.0.input-01-not

# --- MIN-HOME-Y ---
net min-home-y <= hm2_5i25.0.7i77.0.0.input-02-not

# --- MAX-Y ---
net max-y <= hm2_5i25.0.7i77.0.0.input-03-not

# --- MIN-Z ---
net min-z <= hm2_5i25.0.7i77.0.0.input-07-not

# --- MAX-HOME-Z ---
net max-home-z <= hm2_5i25.0.7i77.0.0.input-06-not

# --- MIN-W ---
net min-w <= hm2_5i25.0.7i77.0.0.input-05-not

# --- MAX-HOME-W ---
net max-home-w <= hm2_5i25.0.7i77.0.0.input-04-not

# --- X_READY ---
#net X_Ready <= hm2_5i25.0.7i77.0.0.input-08

# --- Y_READY ---
#net Y_Ready <= hm2_5i25.0.7i77.0.0.input-09

# --- Z_READY ---
#net Z_Ready <= hm2_5i25.0.7i77.0.0.input-10

# --- W_READY ---
#net W_Ready <= hm2_5i25.0.7i77.0.0.input-11

# --- Z_SPINDLE_RUNNING ---
net Z_Spindle_running <= hm2_5i25.0.7i77.0.0.input-12 => and2.0.in0

# ---setup home / limit switch signals---

net min-home-x => axis.0.home-sw-in
net min-home-x => axis.0.neg-lim-sw-in
net max-x => axis.0.pos-lim-sw-in

You are correct I have a paid license. I used to use the free version some time ago and I don't remember it having that limitation but I know they have made multiple license changes over time for the free version which is unfortunate. Glad to see you have made a solution to work around it.

I don't use axis but this post may be similar to what you are looking for:

forum.linuxcnc.org/20-g-code/36186-use-m...messages-my-solution