13. PROGRAM CONFIGURATION
There are two program types, main program and subprogram. Normally,
the CNC operates according to the main program. However, when a
command calling a subprogram is encountered in the main program,
control is passed to the subprogram. When a command specifying a
return to the main program is encountered in a subprogram, control is
returned to the main program.
Follow the direction of the
Return to the main program
Fig. 13 (a) Main program and Subprogram
The CNC memory can hold up to 400 main programs and subprograms
(63 as standard). A main program can be selected from the stored main
programs to operate the machine. See III–9.3 or III–10 in OPERATION
for the methods of registering and selecting programs.
D Main program and