Siemens SINUMERIK 840D sl Programming Manual page 595

CTAB with non-periodic curve tables
If the specified <master value> is outside the definition range, the upper or lower limit will
be output as the following value:
CTAB with periodic curve tables
If the specified <master value> is outside the definition range, the master value is
evaluated modulo of the definition range and the corresponding following value is output:
Job Planning
Programming Manual, 06/2009, 6FC5398-2BP20-0BA0
Axis couplings
9.2 Curve tables (CTAB)
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