Mitsubishi Q00JCPU User Manual page 66

1
OVERVIEW
Basic
Note1.2
Note2
Basic
Note1.2
1
- 25 1.2 Program Storage and Operation
(b) Program execution
The CPU module operates the program stored in the program memory.
(c) Execution of program stored in standard ROM/memory card
Programs and data can also be stored into the standard ROM/memory card.
The programs stored in the standard ROM/memory card can be booted (read) to
the program memory and executed when the PLC is powered ON or the CPU
module is reset.Note2
By storing programs and data into the standard ROM/memory card, they can be
saved without battery backup.
1) Basic model QCPU
To execute boot from the standard ROM to the program memory, it is
necessary to make boot file setting in the PLC Parameter dialog box of GX
Developer.(
Since the Basic model QCPU cannot use a memory card, it cannot store programs in the
memory card.
Execution of program
Program memory
in program memory
Parameter
Program
Device comments
For program comment display
Device initial value
by GX Developer
Figure 1.12 Execution of stored program
Section 5.1.5)
Execution of program booted from the
standard ROM to the program memory.
Program
memory
Boot
Parameter
Device
Standard
comments
ROM
Figure 1.13 Boot run of Basic model QCPU
Note1.2
Program
Device
initial value