Using Utility Program - Mitsubishi MELSEC-A Series Programming Manual

8. MICROCOMPUTER MODE

8.2 Using Utility Program

SW -UTLP-
system disk
Utility
program
Various types of control and operation (e.g. PID control, function operation, code
conversion) can be executed by calling the utility program from the microcomputer
program area.
(1) Utility program entry procedure
Combine together the utility program with the user program in the following
procedure:
Peripheral device with FDD function (e.g. A6GPP)
Internal memory
Utility program area
Utility
program
Fig. 8.1 Entering the Utility Program
1) By loading the SW
set microcomputer capacity of parameters. Then, register the program and
the parameters to the user's floppy disk.
2) Load the SW
the parameters and sequence program from the user disk to the user
program area.
3) Read the utility program from the system disk to the utility program area.
4) Combine together the sequence program and utility program in the user user
program area.
5) Write the combined program onto user disk.
User program area
Parameter
+
sequence
program
Utility
program
-GPPA system disk, write the sequence program and
-UTLP- system disk into the peripheral device and read
8 − 2
MELSEC-A
User disk
System disk
Parameter
+ for the
sequence
peripheral
program
used (e.g.
SW
Utility
program
-GPPA)