Mitsubishi Q00JCPU User Manual page 48

Q series, logic

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1.2 Program Storage and Operation

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

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

2) High Performance model QCPU, Process CPU, Redundant CPU

To execute boot to the program memory, make boot file setting in the PLC

Parameter dialog box of GX Developer and set the parameter-valid drive with

DIP switches.

initial value

Diagram 1.11 Boot run of High Performance model QCPU, Process CPU, Redundant CPU

Since the Basic model QCPU cannot use a memory card, it cannot store programs in the

memory card.

Execution of program booted from the

standard ROM to the program memory.

Diagram 1.10 Boot run of Basic model QCPU

initial value

Execution of program booted from the standard

ROM or memory card to the program memory.

initial value

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