Siemens Sinumerik 840D sl Programming Manual page 849

Operation Meaning
G341 Initial infeed on perpendicular axis (z),
then approach in plane
G347 Soft approach with semicircle
G348 Soft retraction with semicircle
3) Transition circle
G450
G451 Intersection of equidistances
Activation of collision detection for the
3)
G460
approach and retraction block
G461 Insertion of a circle into the TRC block
G462 Insertion of a straight line into the TRC
block
Deactivation of all adjustable frames,
3)
G500
basic frames are active
G505 to G599 5 ... 99. Adjustable work offset
Block change on exact stop fine
3)
G601
G602 Block change on exact stop coarse
G603 Block change at IPO block end
G621 Corner deceleration at all corners
G641 Continuous-path mode with smoothing
as per distance criterion (=
programmable rounding clearance)
G642 Continuous-path mode with smoothing
within the defined tolerances
G643 Continuous-path mode with smoothing
within the defined tolerances (block-
internal)
G644 Continuous-path mode with smoothing
with maximum possible dynamic
response
G645 Continuous-path mode with smoothing
and tangential block transitions within
the defined tolerances
Job planning
Programming Manual, 02/2011, 6FC5398-2BP40-1BA0
1) 2)
W Description see
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Feed reduction with corner deceleration (FENDNORM,
G62, G621) [Page 284]
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Tables
17.1 Operations
849