M Functions - HEIDENHAIN TNC 426 PB/M Technical Manual

6.13.13 M Functions

M functions Meaning
M00 Program STOP/Spindle STOP/Coolant OFF
M01 Optional program STOP
M02 Program STOP/Spindle STOP/Coolant OFF/possible clearing of the
status display
M03 Spindle ON clockwise
M04 Spindle ON counterclockwise
M05 Spindle STOP
M06 Tool change/Program STOP
M07
M08 Coolant ON
M09 Coolant OFF
M10
M11
M12
M13 Spindle ON clockwise/Coolant ON
M14 Spindle ON counterclockwise/Coolant ON
M15 - M18
M19
M20 - M29
M30 Same as M02
M31
M32 - M35
M36 - M51
M52 - M54
M55 - M59
M60
M61
M62
M63 - M70
M71 - M88
6 – 280
In the TNC you can program miscellaneous functions, also known as
M functions. The code of an M function is transferred to the PLC before or
after execution of the NC block.
M89 to M299 are reserved for the NC, and several M functions between M00
and M88 have fixed meanings for the NC. The other M functions are freely
available.
Effective at A = beginning of block
E = end of block
a
/go to block 1
b
/Spindle STOP
HEIDENHAIN Technical Manual TNC 426, TNC 430
Effectiveness
E
E
E
A
A
E
E
A
A
E
E
A
E
A
A
A
E
A
E
A
E
A
E
A
E
A
A
E
A