HEIDENHAIN TNC 426B (280 472) ISO programming - Manual (Page 385)

M Effect of M function Effective at block - start end page
M00 Stop program run/spindle STOP/coolant OFF ■ 121
M01 Optional program STOP ■ 293
M02 Stop program/Spindle STOP/Coolant OFF/Clear status display
(depending on machine parameter)/Go to block 1
■ 121
M03 Spindle ON clockwise ■
M04 Spindle ON counterclockwise ■
M05 Spindle STOP ■ 121
M06 Tool change/Stop program run (depending on machine parameter)/Spindle STOP ■ 121
M08 Coolant ON ■
M09 Coolant OFF ■ 121
M13 Spindle ON clockwise/coolant ON ■
M14 Spindle ON counterclockwise/Coolant ON ■ 121
M30 Same function as M02 ■ 121
M89 Vacant miscellaneous function or ■
Cycle call, modally effective (depending on machine parameter) ■ 143
M90 Only in lag mode: Constant contouring speed at corners ■ 124
M91 Within the positioning block: Coordinates are referenced to machine datum ■ 121
M92 Within the positioning block: Coordinates are referenced to position defined
by machine tool builder, such as tool change position
■ 121
M94 Reduce display of rotary axis to value under 360° ■ 135
M97 Machine small contour steps ■ 129
M98 Machine open contours completely ■ 130
M99 Blockwise cycle call ■ 143
Miscellaneous functions
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