5 nesting, Types of nesting, Nesting depth – HEIDENHAIN TNC 320 (340 551-01) User Manual
Page 303: Subprogram within a subprogram

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303
9.5 Nesting
9.5 Nesting
Types of nesting
¤*zpV"h§a^am"¤*zpV"h
pV"hF4apmFzF"§a^am"zpV"hF4apmFzF"
¤*zpV"hFzF"F=
pV"hF4apmFzF"§a^am"¤*zpV"h
Nesting depth
^FmFamV=Fz^a^Fm¤h*FpO¤44Fa¦FdF¦Fdam§^a4^
zpV"hF4apmp¤*zpV"h4"m4"ddO¤^FzpV"hF4apmp
¤*zpV"h
"¨ah¤hmFamV=Fz^Op¤*zpV"h9"zzp¨T¬¬¬
"¨ah¤hmFamV=Fz^Oph"amzpV"h4"dd9^FmFamV=Fz^
adahaF=pmd©*©^F"¦"ad"*dF§pcamVhFhp©
p¤4"mmFzpV"hF4apmFzF""pOFm"=FaF=
Subprogram within a subprogram
Example NC blocks
0 BEGIN PGM UPGMS MM
...
17 CALL LBL “SP1”
"dd^F¤*zpV"hh"cF=§a^ s
...
35 L Z+100 R0 FMAX M2
"zpV"h*dp4cpO^F
h"amzpV"h|§a^¬¢}
36 LBL “SP1”
FVammamVpO¤*zpV"h¢
...
39 CALL LBL 2
"dd^F¤*zpV"hh"cF=§a^ ¢
...
45 LBL 0
m=pO¤*zpV"hs
46 LBL 2
FVammamVpO¤*zpV"h¢
...
62 LBL 0
m=pO¤*zpV"h¢
63 END PGM UPGMS MM