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5.1 Basic Model QCPU
5.1.5 Standard ROM program execution (boot run) and writing
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MEMORIES AND FILES USED IN CPU MODULE
5.1.5 Standard ROM program execution (boot run) and writing
(1) Standard ROM program execution (boot run)
(a) Standard ROM program execution
The Basic model QCPU performs operation of the program stored in the program
memory.
It does not operate the program stored in the standard ROM.
The program stored in the standard ROM is booted (read) to the program memory
to perform operation.
(b) Procedure for boot run
The following provides the procedure for boot run.
1) Program creation by GX Developer
Create a program for executing boot run.
2) Boot file by GX Developer
Set "Do boot from Standard ROM" in the Boot file of the PLC parameter dialog
box.
Figure 5.9 Boot run
Figure 5.10 Boot file
Program
memory
Boot
Standard
ROM