HEIDENHAIN iTNC 530 299
8.3 Program section repeats
8.3 Program section repeats
Label LBL
The beginning of a program section repeat is marked by the label LBL.
The end of a program section repeat is identified by CALL LBL n REPn.
Procedure
1 The TNC executes the part program up to the end of the program
section (CALL LBL n REPn)
2 Then the program section between the called LBL and the label
call CALL LBL n REPn is repeated the number of times entered for
REP
3 The TNC then resumes the part program after the last repetition
Programming notes
You can repeat a program section up to 65 534 times in succession
The total number of times the program section is executed is always
one more than the programmed number of repeats
Programming a program section repeat
To mark the beginning, press the LBL SET key and
enter a LABEL NUMBER for the program section you
wish to repeat. If you want to use a label name, press
the LBL NAME soft key to switch to text entry
Enter the program section
Calling a program section repeat
Press the LBL CALL key
Call subprogram /repeat: Enter the label number of
the subprogram you wish to call. If you want to use a
label name, press the LBL NAME soft key to switch
to text entry. If you want to enter the number of a
string parameter as target address: Press the QS soft
key; the TNC will then jump to the label name that is
specified in the string parameter defined
Repeat REP: Enter the number of repeats, then
confirm with the ENT key
0 BEGIN PGM ...
LBL1
CALL LBL 1 REP 2
END PGM ...
1
2
3
R
R
2/1
2/2
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