Siemens SINUMERIK Series Function Manual page 581

MD26016 $MC_PUNCH_PARTITION_TYPE=1
In contrast to the behavior described above, here the synchronous axis travels the entire
programmed rotation path in the first sub-block of the selected path segmentation function.
Applied to the example, the C axis already reaches the programmed end position
it reaches X position X=15. It behaves in the same way in the circular interpolation block
below.
Extended Functions
Function Manual, 03/2013, 6FC5397-1BP40-3BA1
N4: Own channel - only 840D sl
9.4 Automatic path segmentation
C=45
when
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