Siemens SINUMERIK 840D sl Programming Manual page 507

Parameters for the user
$TC_CARR34 to $TC_CARR40 contain parameters that are freely available to users and up
to SW 6.4 were as standard, not further evaluated within the NCK or had no significance.
Fine offset parameters
$TC_CARR41 to $TC_CARR65 include fine offset parameters that can be added to the
values in the basis parameters. The fine offset value assigned to a basic parameter is
obtained when the value 40 is added to the parameter number.
Example
The toolholder used in the following example can be fully described by a rotation around the
Y axis.
Job Planning
Programming Manual, 06/2009, 6FC5398-2BP20-0BA0
Tool offsets
7.8 Tool holder kinematics
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