Siemens SINUMERIK 840D sl Programming Manual page 67

The reference plane is derived from the longitudinal tool axis (infeed direction) and a vector
positioned perpendicular to this axis and perpendicular to the tangent at the point of
application of the tool.
Code number with traversing directions summarized
The code numbers and the traversing directions in relation to the reference plane are shown
in the diagram on the right.
ALF=0 deactivates the liftfast function.
Job planning
Programming Manual, 03/2006 Edition, 6FC5398-2BP10-1BA0
1.14 Interrupt routine (SETINT, DISABLE, ENABLE, CLRINT)
Flexible NC programming
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