Siemens SINUMERIK 840D sl Programming Manual page 808

User stock removal programs
15.2 Generate contour table (CONTPRON)
Explanation of column contents and comments for lines 0, 1, 6, 8, 83, 85 and 91
The explanations of the column contents given in example 1 apply.
Always in table line 0:
1) Predecessor: Line n contains the contour end (forwards)
2) Successor: Line n is the contour table end (forwards)
Once each within the contour elements forwards:
3) Predecessor: Contour start (forwards)
4) Successor: Contour end (forwards)
Always in line contour table end (forwards) +1:
5) Predecessor: Number of relief cuts (forwards)
6) Successor: Number of relief cuts (backwards)
Once each within the contour elements backwards:
7) Successor: Contour end (backwards)
8) Predecessor: Contour start (backwards)
Always in last line of table:
9) Predecessor: Line n is the contour table start (backwards)
10) Successor: Line n contains the contour start (backwards)
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Programming Manual, 06/2009, 6FC5398-2BP20-0BA0
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