Siemens sinumerik 840d Programming Manual page 314

Path Traversing Behavior
9
9.3 Curve tables, CTABDEF, CTABEND, CTAB, CTABINV
840D 840D
NCU 571 NCU 572
NCU 573
Behavior at the edges of the curve table
Non-periodic curve table
If the leading value is outside the definition range,
the following value output is the upper or lower limit.
Periodic curve table
If the leading value is outside the definition range,
the leading value is evaluated modulo of the
definition range and the corresponding following
value is output.
9-314
810D 840Di
SINUMERIK 840D/840Di/810D/FM-NC Programming Guide Advanced (PGA) – 04.00 Edition
Following value
F
F
Definition range
L
Following value
F
Definition range
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08.97
9
Leading
L
value
Leading
L
value