HEIDENHAIN TNC 128 (77184x-01) - Manual (Page 171)

HEIDENHAIN TNC 128 171
7.
5 Nesting
7.5 Nesting
Types of nesting
 Subprograms within a subprogram
 Program section repeats within a program section repeat
 Subprograms repeated
 Program section repeats within a subprogram
Nesting depth
The nesting depth is the number of successive levels in which
program sections or subprograms can call further program sections or
subprograms.
 Maximum nesting depth for subprograms: 19
 Maximum nesting depth for main program calls: 19, where a
CYCL CALL
acts like a main program call
 You can nest program section repeats as often as desired