### M04 – Spindle ON (Counter Clockwise)

This command starts the spindle in counter clockwise direction at the RPM set by the S command

# Syntax & Parameters

• M04 - Clockwise command followed with or without S value.
• S - The S value defines the required RPM. If the S value is not given then the last S value is automatically used.

# Example program

N10 M04 S1200


In this example the spindle is started in counter clockwise direction at 1200 RPM.