HEIDENHAIN TNC 320 (340 551-01) - Manual (Page 304)

304 n˜pV"hhamV9˜¤*zpV"h’˜"m=˜pV"h˜F4›apm˜FzF"›’
9.5 Nesting
Program execution
1 "am˜zpV"h˜ ˜a’˜F¨F4¤›F=˜¤z˜›p˜*dp4c˜s•
2 ¤*zpV"h˜s˜a’˜4"ddF=:˜"m=˜F¨F4¤›F=˜¤z˜›p˜*dp4c˜n
3 ¤*zpV"h˜¢˜a’˜4"ddF=:˜"m=˜F¨F4¤›F=˜¤z˜›p˜*dp4c˜–¢˜ m=˜pO˜
’¤*zpV"h˜¢˜"m=˜F›¤m˜b¤hz˜›p˜›^F˜’¤*zpV"h˜Oph˜§^a4^˜a›˜
§"’˜4"ddF=
4 ¤*zpV"h˜s˜a’˜F¨F4¤›F=˜Oph˜*dp4c˜T¬˜¤z˜›p˜*dp4c˜TQ˜ m=˜pO˜
’¤*zpV"h˜s˜"m=˜F›¤m˜b¤hz˜›p˜›^F˜h"am˜zpV"h˜ 
5 "am˜zpV"h˜ ˜a’˜F¨F4¤›F=˜Oph˜*dp4c˜sG˜¤z˜›p˜*dp4c˜
Q˜F›¤m˜b¤hz˜›p˜*dp4c˜s˜"m=˜Fm=˜pO˜zpV"h
Repeating program section repeats
Example NC blocks
Program execution
1 "am˜zpV"h˜ ˜a’˜F¨F4¤›F=˜¤z˜›p˜*dp4c˜¢•
2 pV"h˜’F4›apm˜*F›§FFm˜*dp4c˜¢•˜"m=˜*dp4c˜¢¬˜a’˜FzF"›F=˜›§a4F
3 "am˜zpV"h˜ ˜a’˜F¨F4¤›F=˜Oph˜*dp4c˜¢G˜›p˜*dp4c˜Q
4 pV"h˜’F4›apm˜*F›§FFm˜*dp4c˜Q˜"m=˜*dp4c˜sQ˜a’˜FzF"›F=˜pm4F˜
|am4d¤=amV˜›^F˜zpV"h˜’F4›apm˜FzF"›˜*F›§FFm˜¢¬˜"m=˜*dp4c˜¢•}
5 "am˜zpV"h˜ ˜a’˜F¨F4¤›F=˜Oph˜*dp4c˜–˜›p˜*dp4c˜Q¬˜|Fm=˜pO˜
zpV"h}
0 BEGIN PGM REPS MM
...
15 LBL 1 FVammamV˜pO˜zpV"h˜’F4›apm˜FzF"›˜s
...
20 LBL 2 FVammamV˜pO˜zpV"h˜’F4›apm˜FzF"›˜¢
...
27 CALL LBL 2 REP 2
^F˜zpV"h˜’F4›apm˜*F›§FFm˜›^a’˜*dp4c˜"m=˜ ˜¢
... |*dp4c˜¢¬}˜a’˜FzF"›F=˜›§a4F
35 CALL LBL 1 REP 1
^F˜zpV"h˜’F4›apm˜*F›§FFm˜›^a’˜*dp4c˜"m=˜ ˜s
...
|*dp4c˜sQ}˜a’˜FzF"›F=˜pm4F
50 END PGM REPS MM