Siemens SINUMERIK 840D sl Function Manual page 309

Example 1: Cylinder error compensation with absolute compensation values
Overview of the compensation parameters determining the characteristic
For the example, the compensation parameters shown in the following figure are used.
General compensation data
Setting data $SN_...
SD41300
SD41310
SD41356
1) The compensation values calculated below are written into the setting data SD41320 $SN_CEC_0[0]
and SD41321 $SN_CEC_1[0], i.e. they are applied absolutely. In case of TRUE, they would be added
to the existing compensation values.
Axes, compensation range, and table properties
System variable $AN_...
CEC_INPUT_AXIS[0]
CEC_OUTPUT_AXIS[0]
CEC_MIN[0]
CEC_MAX[0]
CEC_STEP[0]
CEC_DIRECTION[0]
Extended Functions
Function Manual, 10/2015, 6FC5397-1BP40-5BA3
CEC_TABLE_ENABLE[0]
CEC_TABLE_WEIGHT[0]
CEC_CALC_ADD[0]
Value Meaning
FALSE Enable
1 Weighting factor
FALSE Absolute compensation values
Value Meaning
(Z) Basic axis
(X) Compensation axis
-400,000 Starting position
mm
400,000 End position
mm
800,000 Distance between interpolation points
mm
0 The compensation table applies to both travers‐
ing directions of the basic axis.
K3: Compensations
5.4 Interpolatory compensation
1)
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