Table of Contents
Advertisement
2.13
PROGRAM SUPPORT FUNCTIONS (Cont'd)
(5)
Special use of
M99
D
|M99P
With this
command,
when the
subprogram
is terminated, control
returns to
the
block of the
sequence
No:
specified by P
without
returning
to
the block
next
to
the main
program.
NOTE
1.
If the
program
No.
specified by
address P
cannot
be
found,
alarm "390"
results.
2. This
function
can only
be used when the
subprogram
is stored in
part
program memory.
The main
program
can
be commanded fromNC
tape
or
part
program
memory.
3. If the
subprogram multiplicity
exceeds
a
quadruple
nest,
an error
results.
4. If
I
M99
;
1
is commanded for the main
program,
control
returns to
the
beginning of the
main
program
and the
system operates
in
an endless
cycle.
-
220
-
Advertisement
Table of Contents
