M Code | Description |
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M00 | Program stop |
M01 | Optional stop |
M02 | End of program |
M03 | Work spindle start (CW) |
M04 | Work spindle start (CCW) |
M05 | Spindle stop |
M06 | Vertical spindle tool change |
M07 | Oil mist coolant ON |
M08 | Coolant pump ON |
M09 | Coolant system OFF |
M10 | A-axis clamp |
M11 | A-axis unclamp |
M12 | Chip air blow ON |
M15 | 4th-axis rotary index table CW |
M16 | 4th-axis rotary index table CCW |
M17 | Indexing head index CCW |
M19 | Spindle orientation (forward) |
M20 | B-axis clamp |
M21 | B-axis unclamp |
M22 | Y-axis clamp |
M23 | Y-axis unclamp |
M24 | Z-axis clamp |
M25 | Z-axis unclamp |
M26 | C-axis clamp |
M27 | C-axis unclamp |
M30 | End of tape |
M32 | Splash guard door close |
M33 | Splash guard door open |
M40 | High/middle-high/middle-low/low range |
M41 | High/middle-high/middle-low range |
M42 | High/middle-high range |
M43 | High range |
M44 | AAC (F) 1 Next attachment clear |
M45 | AAC (F) 1 Preparation for attachment change preparation |
M46 | AAC (F) 1 No next attachment |
M47 | AAC (F) 1 No next attachment |
M48 | AAC (T) Next attachment clear |
M49 | AAC (T) Preparation for attachment change preparation |
M50 | Through-the-tool coolant, low pressure ON |
M51 | Through-the-tool coolant, high pressure ON |
M52 | Return level in fixed cycle, Upper limit |
M53 | Return level in fixed cycle, Specified level |
M54 | Return level in fixed cycle, Point R level |
M57 | W-axis clamp |
M58 | W-axis unclamp |
M59 | Chip air blow ON |
M60 | Pallet change command |
M62 | Vertical spindle tool change preparation |
M63 | No next tool for ATC |
M64 | Next tool return cycle |
M65 | ATC preparation |
M66 | Continuous tool change between the vertical and horizontal spindles (same tool) |
M67 | Continuous tool change between the vertical and horizontal spindles (different tool) |
M68 | Vertical spindle tool clamp |
M69 | Vertical spindle tool unclamp |
M70 | Manual tool change |
M71 | Manual attachment tool change |
M72 | Horizontal spindle tool change preparation |
M73 | Swivel head, front position |
M74 | Swivel head, left position |
M75 | Swivel head, rear position |
M76 | Swivel head, right position |
M77 | Horizontal spindle tool change |
M78 | Horizontal spindle tool clamp |
M79 | Horizontal spindle tool unclamp |
M81 | Automatic W-axis positioning 1 |
M82 | Automatic W-axis positioning 2 |
M83 | Automatic W-axis positioning 3 |
M84 | Automatic W-axis positioning 4 |
M85 | Automatic W-axis positioning 5 |
M87 | Oil mist/air blow ON |
M87 | Oil mist/air blow ON |
M88 | Dust collector ON |
M89 | Dust collector OFF |
M90 | Vertical spindle oil mist cycle mode ON |
M91 | Tap-drill hole chip air blow cycle mode ON |
M93 | Thru-spindle coolant at medium pressure/2nd coolant ON |
M94 | Attachment indexing by forward rotation |
M95 | Attachment indexing by reverse rotation |
M98 | Horizontal spindle oil mist cycle mode ON |
M101 | Pallet 1 selection |
M102 | Pallet 2 selection |
M103 | Pallet 3 selection |
M104 | Pallet 4 selection |
M105 | Pallet 5 selection |
M106 | Pallet 6 selection |
M107 | Pallet 7 selection |
M108 | Pallet 8 selection |
M109 | Pallet 9 selection |
M110 | Pallet 10 selection |
M111 | Pallet 11 selection |
M112 | Pallet 12 selection |
M115 | 5th-axis rotary table CW |
M116 | 5th-axis rotary table CCW |
M118 | Spindle orientation (reverse) |
M119 | Spindle orientation (forward/reverse) |
M120 | Work shower ON |
M121 | Attachment air blow ON/Tool nose air blow ON |
M127 | Touch probe ON |
M130 | Spindle rotation condition for cutting feed OFF |
M131 | Spindle rotation condition for cutting feed ON |
M132 | Single block invalid |
M133 | Single block valid |
M134 | Spindle speed override invalid |
M135 | Spindle speed override valid |
M136 | Feedrate override invalid |
M137 | Feedrate override valid |
M138 | Dry run invalid |
M139 | Dry run valid |
M140 | Slide hold invalid |
M141 | Slide hold valid |
M142 | Spindle overload detection invalid |
M143 | Spindle overload detection valid |
M144 | Touch sensor advance |
M145 | Touch sensor retract |
M146 | Work air blow OFF |
M147 | Work air blow ON |
M148 | Work clamp (fixture 1) |
M149 | Work unclamp (fixture 1) |
M150 | Coolant group specification, Vertical spindle |
M151 | Coolant group specification, Horizontal spindle |
M152 | Coolant group specification, 3rd group |
M153 | Coolant group specification, 4th group |
M154 | Sensor air blow OFF |
M155 | Sensor air blow ON |
M157 | AAC (2 st.), No next tool |
M158 | AAC (2 st.), Next tool clear |
M159 | AAC (2 st.), Preparation for the next tool |
M160 | PPC pallet loading |
M161 | PPC pallet unloading |
M163 | Long tool, No next tool |
M165 | Long tool, Preparation for tool change |
M166 | ATC active tool return mode specification |
M170 | AAC (F), Attachment change |
M171 | AAC (T), Attachment change |
M172 | Long tool, Tool change command |
M173 | AAC (2 st.), Attachment change command |
M176 | Dust collection mode, Air blow |
M177 | Angular attachment, Tool change |
M178 | Dust collection mode, ON |
M179 | Dust collection mode, OFF |
M181 | External M signal |
M182 | External M signal |
M183 | External M signal |
M184 | External M signal |
M185 | External M signal |
M186 | External M signal |
M187 | External M signal |
M188 | External M signal |
M190 | Automatic W-axis positioning 1 |
M191 | Automatic W-axis positioning 2 |
M192 | Automatic W-axis positioning 3 |
M193 | Automatic W-axis positioning 4 |
M194 | Automatic W-axis positioning 5 |
M195 | Automatic W-axis positioning 6 |
M196 | Automatic W-axis positioning 7 |
M197 | Automatic W-axis positioning 8 |
M198 | Automatic W-axis positioning 9 |
M199 | Automatic W-axis positioning 10 |
M201-M220 | M code macro |
M230 | Tool length offset direction; Used as it is |
M231 | Tool length offset direction; Used after reversing the direction |
M232 | 3D tool length offset direction; Used as it is |
M233 | 3D tool length offset direction; Reversed and used |
M234 | Synchronized tapping gear selection: Low, Middle low, Middle high, High |
M235 | Synchronized tapping gear selection: Middle low, Middle high, High |
M236 | Synchronized tapping gear selection: Middle high, High |
M237 | Synchronized tapping gear selection: Middle high, High |
M238 | Software override invalid |
M239 | Software override valid |
M278 | Chip conveyor OFF |
M279 | Chip conveyor ON |
M280 | Work counter count up |
M281 | Work clamp (fixture 2) |
M282 | Work unclamp (fixture 2) |
M287 | Work clamp (fixture 3) |
M288 | Work unclamp (fixture 3) |
M289 | Pallet identification |
M292 | Chamfering OFF |
M293 | Chamfering ON |
M294 | Fixed compound cycle; Cutting pattern 1 |
M295 | Fixed compound cycle; Cutting pattern 2 |
M296 | Fixed compound cycle; Cutting pattern 3 |
M297 | Thermal deformation amount transfer command |
M300 | Ignoring Spindle rotation answer |
M301 | Ignoring M code answer other than spindle rotation |
M302 | M301 answer confirmation |
M311 | Robot request 1 |
M312 | Robot request 2 |
M313 | Robot request 3 |
M314 | Robot request 4 |
M315 | U-axis connection OFF |
M316 | U-axis connection ON |
M317 | U-axis air blow OFF |
M318 | U-axis air blow ON |
M319 | Operation time transfer command (DNC-C) |
M320 | Tailstock advance |
M321 | Tailstock retract |
M326 | Synchronized tapping monitor OFF |
M327 | Synchronized tapping monitor ON |
M328 | Spindle no-tool interlock valid |
M329 | Spindle no-tool interlock invalid |
M331 | 6th rotary axis CW |
M332 | 6th rotary axis CCW |
M339 | Thru-spindle air blow ON |
M340 | Work seating monitor ON |
M341 | Work seating monitor OFF |
M342 | Work seating confirmation air ON |
M343 | Work seating confirmation air OFF |
M346 | B-axis rotation interlock valid |
M347 | B-axis rotation interlock invalid |
M351 | AT retraction to MG upper part (MCV-A II simplified 5-face MC) |
M352 | Adaptor retraction to MG upper part (MCV-A II simplified 5-face MC) |
M354 | Chip flusher OFF |
M355 | Chip flusher ON |
M356 | MG pot swing to tool change position |
M368 | Mist collector OFF |
M369 | Mist collector ON |
M374 | Non-contact sensor; Laser OFF |
M375 | Non-contact sensor; Laser ON |
M378 | Coolant flow rate detection; Monitor mode ON |
M379 | Coolant flow rate detection; Monitor mode OFF |
M385 | Work clamp at low pressure (fixture 1) |