Siemens SINUMERIK 840D sl Programming Manual page 420

Path traversing behavior
9.9 Repositioning at contour (REPOSA/L, REPOSQ/H, RMI, RMN, RMB, RME)
Example of approaching tool along the semi-circle, REPOSH, REPOSHA
The tool approaches the repositioning point along a semi-circle with a diameter of DISR=....
The control system automatically calculates the intermediate point between the start and
repositioning points.
Example:
REPOSH RMI DISR=20 F400
9-54
Programming Manual, 03/2006 Edition, 6FC5398-2BP10-1BA0
Job planning