Omron NJ501-5300, Instruction & Reference Manual, Page: 120 / 142

3 M Code
3 - 14 NJ/NY-series G code Instructions Reference Manual (O031)
M04 Spindle CCW
This instruction rotates the spindle counter-clockwise (CCW).
Operates the spindle axis in the counter-clockwise direction at the specified speed.
If the spindle axis is already activated, its speed is changed according to the rotation direction and the
rotational speed that is set.
For the information on the spindle axis operation and the timing of completion of M04, refer to the
instruction manual provided by the machine tool manufacturer.
For the acceleration/deceleration at startup, reversing, and changing velocity, also refer to the instruc-
tion manual provided by the machine tool manufacturer.
Refer to the programming example of M03 Spindle CW on page 3-13.
Instruction format M04
Relevant M codes S{data}, M05
Programming Example