HEIDENHAIN TNC 640 (34059x-02) - Manual (Page 265)

Program-section repeats 8.3
8
TNC 640 | User's Manual
HEIDENHAIN Conversational Programming | 5/2013
265
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.
Operating sequence
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 LABEL and the
label call
CALL LBL n REPn is repeated the number of times
entered after REP
3 The TNC 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