HEIDENHAIN TNC 310 (286 140) - Manual (Page 249)

M Effect of M function Effective at block - start end page
M00 Stop program run/spindle STOP/coolant OFF ■ 87
M01 Optional Program Run Interruption ■ 200
M02 Stop program/Spindle STOP/Coolant OFF/Clear status display
(depending on machine parameter)/Go to block 1
■ 87
M03 Spindle ON clockwise ■
M04 Spindle ON counterclockwise ■
M05 Spindle STOP ■ 87
M06 Tool change/Stop program run (depending on machine parameter)/Spindle STOP ■ 87
M08 Coolant ON ■
M09 Coolant OFF ■ 87
M13 Spindle ON clockwise/coolant ON ■
M14 Spindle ON counterclockwise/Coolant ON ■ 87
M30 Same function as M02 ■ 87
M89 Vacant miscellaneous function or ■
Cycle call, modally effective (depending on machine parameter) ■ 95
M90 Only in lag mode: Constant contouring speed at corners ■ 89
M91 Within the positioning block: Coordinates are referenced to machine datum ■ 87
M92 Within the positioning block: Coordinates are referenced to position defined
by machine tool builder, such as tool change position
■ 87
M93 Within the positioning block: Coordinates are referenced to the current tool position ■
M94 Reduce display of rotary axis to value under 360° ■ 92
M97 Machine small contour steps ■ 90
M98 Machine open contours completely ■ 91
M99 Blockwise cycle call ■ 95
Miscellaneous functions