Siemens SINUMERIK 840D sl Programming Manual page 516

Axis couplings
11.2 Curve tables (CTAB)
CTAB with periodic curve tables
If the specified
modulo of the definition range and the corresponding following value is output:
Approximate value for CTABINV
The
value.
approximate value can be, for example, the master value from the previous interpolation
cycle.
Incline of the curve table function
The output of the incline (
leading or following axis at the corresponding position.
Specification of the leading or following axis
The optional specification of the leading and/or following axis is important if the leading and
following axes are configured in different length units.
CTABSSV, CTABSEV
The
following cases:
● Circles or involutes are programmed.
● Chamfer or rounding with
● Smoothing with
● NC block compression with
516
<master value>
command, therefore, requires an approximate value for the expected master
CTABINV
returns the master value that is closest to the approximate value. The
CTABINV
<gradient>
and commands are not suitable to query programmed segments in the
CTABSSV CTABSEV
is active
G643
is outside the definition range, the master value is evaluated
) makes it possible to calculate the velocity of the
/ is active
CHF RND
/ /
COMPON COMPCURV COMPCAD
Programming Manual, 03/2013, 6FC5398-2BP40-3BA1
is active
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