M-Codes For Internal Processing (M90 To M99); Subprogram (M98, M99) - YASKAWA MOTIONPACK-110 Descriptive Information

4.4.4 M-CODES FOR INTERNAL PROCESSING (M90toM99)
M90 through M99 are used for internal processing, and they do not output any signals
(BCD). M98 and M99 are for initiating subprograms and for ending them.
4.4.5 SUBPROGRAM (M98, M99)
Numbered and stored subprograms can be called up as many times as desired for
execution.
(1) Initiating Subprograms (M98)
The subprogram designated by P is initiated, and executed L times. When no L is
programmed, the subprogram is executed only once.
M98 P .... L .... ; J
J
L ___ NUMBER OF REPETITIONS OF
SUBPROGRAMS
SUBPROGRAM NO. TO BE INITIATE
(2) Subprogram End (M99)
M99 is written at the end of a subprogram in a separate block. When M99 comes at the
end of the subprogram to which M98 designated, the program returns automatically to
the block next to the M98 block.
- .........
(Program example)
The sequence in which the main program initiates a subprogram and the subprogram is
executed, are shown below.
MAIN PROGRAM SUBPROGRAM
O100; _ O200;
N001 G00 ...... ;
INITIATING N001 ......... ;
SUBPROGRAM N002 M98 P200 L3;
(3 TIMES) N002 ......... ;
N003 ......... ;
INITIATING
SUBPROGRAM N004 M98 P200;
(1 TIME)
N 050 M _;
N005 ......... ;
1 TIME
TIM ND OF SUBPROGRAM
Fig. 4.34 " -
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