Siemens SINUMERIK 840D sl Programming Manual page 513

CTABTMIN
CTABTMAX
<n>
<gradient>
<following axis>
<leasing axis>
<following value>
<leading value>
<approximate value>
<a>
<b>
Examples
Example 1:
Define following axis and leading axis values at the start and end of the curve table, along
with the minimum and maximum values of the following axis in the entire definition range of
the curve table.
Program code
N10 DEF REAL STARTPOS
N20 DEF REAL ENDPOS
N30 DEF REAL STARTPARA
N40 DEF REAL ENDPARA
N50 DEF REAL MINVAL
Job Planning
Programming Manual, 03/2013, 6FC5398-2BP40-3BA1
: Define following axis minimum value:
 In the entire definition range of the curve table
 In a defined interval
: Define following axis maximum value:
 In the entire definition range of the curve table
 In a defined interval
: Number (ID) of curve table
: The
function at the calculated position.
: Axis whose motion is to be calculated using the curve table
(optional)
: Axis providing the master values for the calculation of the following
axis motion (optional)
: Following axis value for reading the associated leading axis value
for
: Leading axis value:
 For reading the associated following axis value with
 For the selection of the curve segment with
: The assignment of a leading axis value to a following axis value with
CTABINV
approximate value for the expected leading axis value as a
parameter.
: Lower limit of the master value interval with
: Upper limit of the master value interval with
Note:
The master value interval
curve table's definition range.
or
<a>
or
<a>
parameter returns the incline of the curve table
<gradient>
CTABINV
or
must not always be unique.
Comment
11.2 Curve tables (CTAB)
...
<b>
...
<b>
CTABSSV
requires, therefore, an
CTABINV
CTABTMIN
CTABTMIN
to always has to be within the
<a> <b>
Axis couplings
CTAB
/
CTABSEV
/
CTABTMAX
/
CTABTMAX
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