G codes
simple definition
G 000 Rapid traverse
G 001 Linear interpolation with feedrate
G 002 Circular interpolation (clockwise)
G 003 Circular interpolation (counter clockwise)
G2/G3 Helical interpolation
G 004 Dwell time in milliseconds
G 005 Spline definition
G 006 Spline interpolation
G 007 Tangential circular interpolation / Helix interpolation / Polygon
interpolation / Feedrate interpolation
G 008 Ramping function at block transition / Look ahead "off"
G 009 No ramping function at block transition / Look ahead "on"
G 010 Stop dynamic block preprocessing
G 011 Stop interpolation during block preprocessing
G 012 Circular interpolation (cw) with radius
G 013 Circular interpolation (ccw) with radius
G 014 Polar coordinate programming, absolute
G 015 Polar coordinate programming, relative
G 016 Definition of the pole point of the polar coordinate system
G 017 Selection of the X, Y plane
G 018 Selection of the Z, X plane
G 019 Selection of the Y, Z plane
G 020 Selection of a freely definable plane
G 021 Parallel axes "on"
G 022 Parallel axes "off"
G 024 Safe zone programming; lower limit values
G 025 Safe zone programming; upper limit values
G 026 Safe zone programming "off"
G 027 Safe zone programming "on"
G 033 Thread cutting with constant pitch
G 034 Thread cutting with dynamic pitch
G 035 Oscillation configuration
G 038 Mirror imaging "on"
G 039 Mirror imaging "off"
G 040 Path compensations "off"
G 041 Path compensation left of the work piece contour
G 042 Path compensation right of the work piece contour
G 043 Path compensation left of the work piece contour with altered approach
G 044 Path compensation right of the work piece contour with altered approach
G 050 Scaling
G 051 Part rotation; programming in degrees
G 052 Part rotation; programming in radians
G 053 Zero offset off
G 054 Zero offset #1
G 055 Zero offset #2
G 056 Zero offset #3
G 057 Zero offset #4
G 058 Zero offset #5
G 059 Zero offset #6
G 063 Feed / spindle override not active
G 066 Feed / spindle override active
G 070 Inch format active
G 071 Metric format active
G 072 Interpolation with precision stop "off"
G 073 Interpolation with precision stop "on"
G 074 Move to home position
G 075 Curvature function activation
G 076 Curvature acceleration limit
G 078 Normalcy function "on" (rotational axis orientation)
G 079 Normalcy function "off"
G 080 Canned cycle "off"
G 081 Drilling to final depth canned cycle
G 082 Spot facing with dwell time canned cycle
G 083 Deep hole drilling canned cycle
G 084 Tapping or Thread cutting with balanced chuck canned cycle
G 085 Reaming canned cycle
G 086 Boring canned cycle
G 087 Reaming with measuring stop canned cycle
G 088 Boring with spindle stop canned cycle
G 089 Boring with intermediate stop canned cycle
G 090 Absolute programming
G 091 Incremental programming
G 092 Position preset
G 093 Constant tool circumference velocity "on" (grinding wheel)
G 094 Feed in mm / min (or inch / min)
G 095 Feed per revolution (mm / rev or inch / rev)
G 096 Constant cutting speed "on"
G 097 Constant cutting speed "off"
G 098 Positioning axis signal to PLC
G 099 Axis offset
G 100 Polar transformation "off"
G 101 Polar transformation "on"
G 102 Cylinder barrel transformation "on"; cartesian coordinate
system
G 103 Cylinder barrel transformation "on," with real-time-radius
compensation (RRC)
G 104 Cylinder barrel transformation with center line migration (CLM) and RRC
G 105 Polar transformation "on" with polar axis selections
G 106 Cylinder barrel transformation "on" polar-/cylinder-coordinates
G 107 Cylinder barrel transformation "on" polar-/cylinder-coordinates
with RRC
G 108 Cylinder barrel transformation polar-/cylinder-coordinates with CLM and
RRC
G 109 Axis transformation programming of the tool depth
G 110 Power control axis selection/channel 1
G 111 Power control pre-selection V1, F1, T1/channel 1 (Voltage, Frequency,
Time)
G 112 Power control pre-selection V2, F2, T2/channel 1
G 113 Power control pre-selection V3, F3, T3/channel 1
G 114 Power control pre-selection T4/channel 1
G 115 Power control pre-selection T5/channel 1
G 116 Power control pre-selection T6/pulsing output
G 117 Power control pre-selection T7/pulsing output
G 120 Axis transformation; orientation changing of the linear interpolation
rotary axis
G 121 Axis transformation; orientation change in a plane
G 125 Electronic gear box; plain teeth
G 126 Electronic gear box; helical gearing, axial
G 127 Electronic gear box; helical gearing, tangential
G 128 Electronic gear box; helical gearing, diagonal
G 130 Axis transformation; programming of the type of the orientation change
G 131 Axis transformation; programming of the type of the orientation change
G 132 Axis transformation; programming of the type of the orientation change
G 133 Zero lag thread cutting "on"
G 134 Zero lag thread cutting "off"
G 140 Axis transformation; orientation designation work piece fixed coordinates
G 141 Axis transformation; orientation designation active coordinates
G 160 ART activation
G 161 ART learning function for velocity factors "on"
G 162 ART learning function deactivation
G 163 ART learning function for acceleration factors
G 164 ART learning function for acceleration changing
G 165 Command filter "on"
G 166 Command filter "off"
G 170 Digital measuring signals; block transfer with hard stop
G 171 Digital measuring signals; block transfer without hard stop
G 172 Digital measuring signals; block transfer with smooth stop
G 175 SERCOS-identification number "write"
G 176 SERCOS-identification number "read"
G 180 Axis transformation "off"
G 181 Axis transformation "on" with not rotated coordinate system
G 182 Axis transformation "on" with rotated / displaced coordinate
system
G 183 Axis transformation; definition of the coordinate system
G 184 Axis transformation; programming tool dimensions
G 186 Look ahead; corner acceleration; circle tolerance
G 188 Activation of the positioning axes
G 190 Diameter programming deactivation
G 191 Diameter programming "on" and display of the contact point
G 192 Diameter programming; only display contact point diameter
G 193 Diameter programming; only display contact point actual axes center point
G 200 Corner smoothing "off"
G 201 Corner smoothing "on" with defined radius
G 202 Corner smoothing "on" with defined corner tolerance
G 203 Corner smoothing with defined radius up to maximum tolerance
G 210 Power control axis selection/Channel 2
G 211 Power control pre-selection V1, F1, T1/Channel 2
G 212 Power control pre-selection V2, F2, T2/Channel 2
G 213 Power control pre-selection V3, F3, T3/Channel 2
G 214 Power control pre-selection T4/Channel 2
G 215 Power control pre-selection T5/Channel 2
G 216 Power control pre-selection T6/pulsing output/Channel 2
G 217 Power control pre-selection T7/pulsing output/Channel 2
G 220 Angled wheel transformation "off"
G 221 Angled wheel transformation "on"
G 222 Angled wheel transformation "on" but angled wheel moves before others
G 223 Angled wheel transformation "on" but angled wheel moves after others
G 265 Distance regulation – axis selection
G 270 Turning finishing cycle
G 271 Stock removal in turning
G 272 Stock removal in facing
G 274 Peck finishing cycle
G 275 Outer diameter / internal diameter turning cycle
G 276 Multiple pass threading cycle
G 310 Power control axes selection /channel 3
G 311 Power control pre-selection V1, F1, T1/channel 3
G 312 Power control pre-selection V2, F2, T2/channel 3
G 313 Power control pre-selection V3, F3, T3/channel 3
G 314 Power control pre-selection T4/channel 3
G 315 Power control pre-selection T5/channel 3
Note that some of the above G-codes are not standard. Specific control features, such as laser power control, enable those optional codes.
M codes
simple definition
M 000 Unconditional stop
M 001 Conditional stop
M 002 End of program
M 003 Spindle clockwise
M 004 Spindle counterclockwise
M 005 Spindle stop
M 006 Tool change (see Note below)
M 019 Spindle orientation
M 020 Start oscillation (configured by G35)
M 021 End oscillation
M 030 End of program
M 040 Automatic spindle gear range selection
M 041 Spindle gear transmission step 1
M 042 Spindle gear transmission step 2
M 043 Spindle gear transmission step 3
M 044 Spindle gear transmission step 4
M 045 Spindle gear transmission step 5
M 046 Spindle gear transmission step 6
M 070 Spline definition, beginning and end curve 0
M 071 Spline definition, beginning tangential, end curve 0
M 072 Spline definition, beginning curve 0, end tangential
M 073 Spline definition, beginning and end tangential
M 080 Delete rest of distance using probe function, from axis measuring input
M 081 Drive On application block (resynchronize axis position via PLC signal during the block)
M 101 to M108 Turn off fast output byte bit 1 (to 8)
M 109 Turn off all (8) bits in the fast output byte
M 111 to M118 Turn on fast output byte bit 1 (to 8)
M 121 to M128 Pulsate (on/off) fast output byte bit 1 (to 8)
M 140 Distance regulation “on” (configured by G265)
M 141 Distance regulation “off”
M 150 Delete rest of distance using probe function, for a probe input (one of 16, M151-M168)
M 151 to M158 Digital input byte 1 bit 1 (to bit 8) is the active probe input
M 159 PLC cannot define the bit mask for the probe inputs
M 160 PLC can define the bit mask for the probe inputs (up to 16)
M 161 to M168 Digital input byte 2 bit 1 (to bit 8) is the active probe input
M 170 Continue the block processing look ahead of the part program (cancel the M171)
M 171 Stop the block processing look ahead of the probe input part program segment (like a G10)
M 200 Activate the handwheel operation in the automatic mode (to introduce an offset in the program)
M 201 to M208 Select the axis (by number from 1 to 8) for the handwheel operation
M 209 Activate the handwheel operation in the automatic mode, with PLC control of the axis selection
M 210 Deactivate the handwheel input while in the automatic mode
M 211 Deactivate this handwheel feature and also remove the handwheel offset (if any)
M 213 Spindle 2 clockwise
M 214 Spindle 2 counterclockwise
M 215 Spindle 2 stop
M 280 Switchable spindle/rotary axis, rotary axis on, first combination
M 281 Switchable spindle/rotary axis, rotary axis on, second combination
M 290 Switchable spindle/rotary axis, spindle enabled, first combination
M 291 Switchable spindle/rotary axis, spindle enabled, second combination
Note: Other machine functions, like tool change (usually M06) or coolant control, have their M-code value specified by the PLC application not by the CNC software.
Other M-codes (up to M699) can be handled by the PLC application based on the particular machine requirements.
Check the List of Standard Codes
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