Siemens Sinumerik 840D sl Programming Manual page 492

Path traversing behavior
8.6 Repositioning to a contour (REPOSA, REPOSL, REPOSQ, REPOSQA, REPOSH, REPOSHA, DISR, DISPR,
Approach from the nearest path point RMN
When REPOSA is interpreted, the repositioning block with RMN is not started again in full after
an interruption, but only the distance-to-go processed. The nearest path point of the
interrupted block is approached.
Status for the valid REPOS mode
The valid REPOS mode of the interrupted block can be read with synchronized actions and
variable $AC_ REPOS_PATH_MODE:
0: Approach not defined
1 RMB: Approach to beginning
2 RMI: Approach to point of interruption
3 RME: Approach to end of block
4 RMN: Approaching to next path point of the interrupted block
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Programming Manual, 02/2011, 6FC5398-2BP40-1BA0
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