Precautions For File Register Replacement; Boot Operation Method (Storing The Program To Rom) - Mitsubishi Electric MELSEC-A0J2H Series Handbook

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PROGRAMS REPLACEMENT

7.7.10 Precautions for file register replacement

Refer to the following notes in case where the file register is used when replacing A0J2HCPU with
QCPU.
(1) Storage location and maximum number of points after replacement
Storage location
Maximum number of points
Number of points per block
(2) Operation after replacement
Create the device memory file and write the file register file to the programmable controller using GX
Developer.

7.7.11 Boot operation method (storing the program to ROM)

The ROM operation of the A0J2HCPU changes to the boot operation of QCPU.
The Universal Model QCPU does not have to perform the boot operation since its program memory is a
Flash ROM.
(The data written to files are not erased even if a battery error occurs.)
Q00(U)JCPU Q00(U)/Q01(U)CPU
Standard RAM
Not used
Program memory
128k points
32k points
A0J2HCPU
4K points
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