Siemens SINUMERIK 840D sl Programming Manual page 408

Transformations
6.7 Smoothing the orientation characteristic (ORISON, ORISOF)
Further information
Number of blocks
The orientation characteristic is smoothed over a configured number of blocks set in
machine data MD28590 $MC_MM_ORISON_BLOCKS.
Note
If smoothing of the orientation characteristic is activated with ORISON without sufficient block
memory having been configured for it (MD28590 < 4), an alarm signal will be output and the
function cannot be executed.
Maximum block path length
The orientation characteristic is only smoothed in blocks whose traversing distance is shorter
than the configured maximum block path length
(MD20178 $MC_ORISON_BLOCK_PATH_LIMIT). Blocks with longer traversing distances
interrupt smoothing and are traversed as programmed.
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Programming Manual, 06/2009, 6FC5398-2BP20-0BA0
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