Mitsubishi Electric MELSEC-Q Series User Manual page 90

6 FILES HANDLED BY BASIC MODEL QCPU
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(d) Execute a program.
Resetting the Basic model QCPU with the RUN/STOP/RESET switch starts
boot from the standard ROM.
Refer to the following manuals for the reset operation of the Basic model
QCPU.
• QCPU (Q Mode) User's Manual (Hardware)
• Basic Model QCPU (Q Mode) User's Manual (Hardware Design,
(3) Precautions for Executing Program in the Standard ROM
(a) When performing boot run, store parameter (PLC parameter) and program
into the standard ROM.
(b) If program is written in the program memory during the RUN status while a
boot run is performed by using a standard ROM, any change made will not
be reflected in program stored in the standard ROM.
(c) If the PLC is powered ON/reset after writing sequence program to the
program memory, the contents of the program memory may change.
This can be caused when the boot run has been set.
1) Format the program memory.
2) Write the parameter and sequence program to the program memory.
3) Transfer the parameter written in the program memory to the ROM.
MELSEC-Q
Maintenance and Inspection)
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