1.9 M function group

Group 1:
M function	Type	Explanation		Parameter	Information
M00	N	Programmed stop			separate block
M01	N	Optional stop			separate block
M02	N	Main program end, reset to the start			separate block
M30	N	End of program, reset to the start			separate block
M90	N	Workpiece number add 1. It can not be with M02, M30 in the same program, otherwise errors would occur.			separate block
Group 2
M function	Type	Explanation
M03	MI	CW rotation of spindle
M04	MI	CCW rotation of spindle
M05	MRF	Spindle stop
M19	N	Spindle positioning	With SP		separate block

Note

For all: M-modal, R-effective defaut, N-Non-modal, I-execution before block, F-execution after block

Explanation:

1. You can not specify two or more M code which are in the same group in a block;

2. There are at most 5 M code in the same block;

3. I- exection before the block:When themotion commandandMfunctionsappearin the same block, M instructionsexecutebeforethe movement instructions;

4. F- exection after the block: When themotion commandandMfunctionsappearin the same block, M instructionsexecuteafterthe movement instructions;

5. MinstructionandTinstructionappear inthe same block, T instructions performfirst;

6. User-defined M command must require separate block.