Siemens sinumerik 840d Programming Manual page 306

Path Traversing Behavior
9
9.1 Tangential control TANG, TANGON, TANGOF
840D
NCU 572
NCU 573
Additional notes
Influence on transformations
The position of the following rotary axis can be an
input value for a transformation.
Explicit positioning of the following axis
If an axis which is following your lead axes is
positioned explicitly the position is added to the
programmed offset angle.
All path definitions are possible: Path and positioning
axis movements.
Coupling status
You can query the status of the coupling in the NC
program with the following system variable:
$AA_COUP_ACT[Axis]
0 No coupling active
1,2,3 Tangential follow-up active
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810D 840Di
SINUMERIK 840D/840Di/810D/FM-NC Programming Guide Advanced (PGA) – 04.00 Edition
08.97
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