### M667 – Plasma – Turn THC Function On

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

# Syntax & Parameters

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

# Example program

N10 M667 F50


The above program switches On the THC function and sets Z axis feedrate during THC control to 50.