HEIDENHAIN iTNC 530 (34049x-08) Cycle programming - Manual (Page 330)

330 Using touch probe cycles
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Consider a basic rotation in the Manual
Operation mode: MP6166
Set MP 6166 = 1 for the TNC to consider an active basic rotation
during the probing process (the workpiece is approached along an
angular path if required) to ensure that the measuring accuracy for
probing individual positions is also increased in Setup mode.
Multiple measurements: MP6170
To increase measuring certainty, the TNC can run each probing
process up to three times in sequence. If the measured position
values differ too greatly, the TNC outputs an error message (the limit
value is defined in MP6171). With multiple measurements, it is
possible to detect random errors, e.g. from contamination.
If the measured values lie within the confidence interval, the TNC
saves the mean value of the measured positions.
Confidence interval for multiple measurements:
MP6171
In MP6171 you store the value by which the results may differ when
you make multiple measurements. If the difference in the measured
values exceeds the value in MP6171, the TNC outputs an error
message.
This feature is not active during the following functions in
the Manual Operation mode:
 Calibrate length
 Calibrate radius
 Measure basic rotation