M667 – Plasma – Turn THC Function On

This command is used to switch On the THC automatic Z axis control function in the plasma version.


Syntax & Parameters


  • M667
  • F Value - this is the feed rate of the Z axis that the will be used to move torch up/down when in THC mode.

Example program

N10 M667 F500


The above program switches On the THC function and sets Z axis feed rate during THC control to 500.



Example program

N10 M667


The above program switches On the THC function. The THC feed rate will use the last feed rate specified for M667. If no previous feed rate has been specified it will use the maximum feed rate of the axis as the M667 feed rate.