K1: Mode group, channel, program operation, reset response
9.9 Program operation mode
Basic Functions
Function Manual, 09/2011, 6FC5397-0BP40-2BA0
575
Programming
9.9.11.5 A part program section between a Start label and the key word: ENDLABEL
Functionality
Via REPEAT in part program block N150, the part program processing branches to the part program block N120
that is labeled START_1 with a start label. This part program block and all the part program blocks up to and
including the part program block marked with the key word ENDLABEL (N140) are repeated x number of times. If
P is not specified, the part program section (N120 - N140) is repeated exactly once. After the last repetition, the
part program is continued with the part program block N170 following the REPEATinstruction.
Syntax:
REPEAT <Start_Label> <End_Label> [P=n]
Start_Labe
l
Start label to which the instruction: REPEAT branches.
Beginning of the part program section that is repeated.
Type: String
End_Label
End of the part program section that is repeated.
Type: String
P
Number of repetitions
n
Number of repetitions
Type: Integer
:
N100 ...
N120 START_1: ... ; Start label: START__1
N130 ...
N140 ENDLABEL: ... ; End label: Keyword ENDLABEL
N150 ...
N160 REPEAT START_1 END_1 P=n ; Repetition: START_1 until END_1
N170 ...
:
Note
Label search direction
The program section marked with the Start and End labels can come before or after the
REPEATinstruction. The search initially commences toward the start of the program. If the
Start label is not found, a search is made in the direction of the program end.
If no keyword ENDLABEL is located between the Start label and the REPEAT instruction, the
part program section from the Start label to the REPEAT instruction is repeated.
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