Siemens SINUMERIK 840Di sl - Page 65

Fundamental Principles of NC Programming
2.2 Language elements of the programming language
Fundamentals
Programming Manual, 11/2006, 6FC5398-1BP10-2BA0
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Blocks, which are to be skipped are marked with an oblique "/" in front of the block number.
Several consecutive blocks can also be skipped. The statements in the skipped blocks are
not executed; the program continues with the next block, which is not skipped.
Example of skipping blocks
N10
;Is executed
/N20 …
;Skipped
N30 …
;Is executed
/N40 …
;Skipped
N70 …
;Is executed
Up to 10 skip levels can be programmed. Only one skip level can be specified per NC block:
/ ...
;Block is skipped (1st skip level)
/0 ...
;Block is skipped (1st skip level)
/1 N010...
;Block is skipped (2nd skip level)
/2 N020...
;Block is skipped (3rd skip level)
...
/7 N100...
;Block is skipped (8th skip level)
/8 N080...
;Block is skipped (9th skip level)
/9 N090...
;Block is skipped (10th skip level)
Machine manufacturer
The number of skip levels that can be used depends on a display machine datum.
Block skipping of levels /0 to /9 is activated by an operator action (see /BA/ Operator's Guide
HMI Advanced Embedded, program control menu in Machine operating area) or by the
programmable controller.