HEIDENHAIN TNC 426 PB/M Technical Manual page 611

M functions Meaning
M89 Vacant miscellaneous function or cycle call, modally effective
M90 Operation with following error: Constant feed rate in corners
M91 Within the positioning block: Coordinates are referenced to machine
datum
M92 Within the positioning block: Coordinates are referenced to a position
defined by the machine tool builder, such as tool change position
M93
M94 Reduce the rotary axis display to a value below 360°
M95 - M96 Approach behavior at the starting point of the contour
M 97 Machine small contour steps
M 98 Machine open contours completely
M 99 Blockwise cycle call
M100
M101 Automatic tool change with replacement tool if maximum tool life
has expired
M102 Reset M101
M103 Reduce feed rate during plunging to factor F
M104 Reactivate most recently defined datum
M105 Machine with second k
M106 Machine with first k
M107 Suppress error message for replacement tools
M108 Reset M107
M109 Constant contouring speed on the tool cutting edge (increasing and
decreasing the feed rate)
M110 Constant contouring speed on the tool cutting edge (only decreasing
the feed rate)
M111 Reset M109/M110
M112 Insert rounding radius between nontangential straight lines
M113 Reset M112
M114 Automatic correction of machine geometry when working with tilting
axes
M115 Reset M114
M116 Feed rate for rotary axes in mm/min
M117 Reset M116
M118 Superimpose handwheel positioning during program run
M119
M120 LOOK AHEAD: Calculate the radius-compensated tool path ahead of
time
M121 - M123
December 2001
factor
V
factor
V
Display and Operation
Effectiveness
b
E
A
A
A
A
A
E
E
E
E
E
A
E
A
A
A
A
A
E
A
A
E
A
E
A
E
A
E
A
A
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