Siemens SINUMERIK 840D sl Programming Manual page 105

Further information
● Program section repetitions can be nested. Each call uses a subprogram level.
● If M17 or RET is programmed during processing of a program section repetition, the
● In the actual program display, the program section repetition is displayed as a separate
● If the level is canceled during the program section repetition, the program resumes at the
Program code
N5 R10=15
N10 BEGIN: R10=R10+1
N20 Z=10-R10
N30 G1 X=R10 F200
N40 Y=R10
N50 X=-R10
N60 Y=-R10
N70 END: Z10
N80 Z10
N90 CYCLE(10,20,30)
N100 REPEAT BEGIN END P=3
N120 Z10
N130 M30
● Check structures and program section repetitions can be used in combination. There
Job Planning
Programming Manual, 06/2009, 6FC5398-2BP20-0BA0
1.11 Repeat program section (REPEAT, REPEATB, ENDLABEL, P)
repetition is canceled. The program is resumed at the block following the REPEAT line.
subprogram level.
point after the program section repetition call.
Example:
should be no overlap between the two, however. A program section repetition should
appear within a check structure branch or a check structure should appear within a
program section repetition.
Comments
; Width
; Interrupt level
; Resume program execution.
Flexible NC programming
105