Mitsubishi Electric MELSEC-A0J2H Series Handbook page 13

4.2 Specifications Comparison of Power Supply Modules .................................................................... 4 - 2
4.3 Precautions for Replacement of the CPU Module ........................................................................... 4 - 6
CHAPTER 5 EXTENSION CABLE REPLACEMENT
5.1 List of Alternative Extension Cable Models ..................................................................................... 5 - 1
5.2 Precautions for Extension Cable Replacement ............................................................................... 5 - 1
CHAPTER 6 MEMORY AND BATTERY REPLACEMENT
6.1 List of Alternative Memory Models ................................................................................................... 6 - 1
6.2 Precautions for Memory and Battery Replacement ......................................................................... 6 - 1
CHAPTER 7 PROGRAMS REPLACEMENT
7.1 Program Replacement Procedures ................................................................................................. 7 - 4
7.1.1 Program conversion procedure from A0J2HCPU to QCPU ..................................................... 7 - 4
7.1.2 Change PLC type ..................................................................................................................... 7 - 6
7.1.3 ACPU program conversion ratio ............................................................................................... 7 - 8
7.1.4 Reading (Reusing) other format files ...................................................................................... 7 - 10
7.1.5 How to reuse a program of a PLC type that is not supported by GX Developer .................... 7 - 15
7.2 Instruction Conversion ................................................................................................................... 7 - 18
7.2.1 List of instructions converted from A0J2HCPU to QCPU
(Sequence/Basic/Application instructions) ............................................................................. 7 - 18
7.2.2 Instruction that may need replacement from A0J2HCPU to Basic model QCPU ................... 7 - 24
7.3 Precautions for Parameter Replacement ....................................................................................... 7 - 25
7.4 Special Relay Replacement ........................................................................................................... 7 - 26
7.4.1 Replacement of A0J2HCPU with QCPU ................................................................................ 7 - 26
7.5 Special Register Replacement ...................................................................................................... 7 - 27
7.5.1 Replacement of A0J2HCPU with QCPU ................................................................................ 7 - 27
7.6 Precautions for Replacing MELSAP-II with MELSAP3 .................................................................. 7 - 28
7.6.1 How to start the SFC program ................................................................................................ 7 - 28
7.6.2 Block information (Information device for SFC) ...................................................................... 7 - 28
7.6.3 Specifications comparison between MELSAP-II and MELSAP3 ............................................ 7 - 29
7.6.4 SFC diagram that cannot be read normally in another format ................................................ 7 - 30
7.7 Precautions for Program Replacement .......................................................................................... 7 - 31
7.7.1 Applicable devices list ............................................................................................................ 7 - 31
7.7.2 I/O control method .................................................................................................................. 7 - 32
7.7.3 Data formats that can be used by the instructions ................................................................. 7 - 32
7.7.4 Timer ...................................................................................................................................... 7 - 33
7.7.5 Counter ................................................................................................................................... 7 - 34
7.7.6 Display instruction .................................................................................................................. 7 - 34
7.7.7 Instructions with changed specified formats ........................................................................... 7 - 34
7.7.8 Index register .......................................................................................................................... 7 - 36
7.7.9 Setting method when multiple sequence programs are created ............................................ 7 - 37
7.7.10 Precautions for file register replacement ................................................................................ 7 - 39
7.7.11 Boot operation method (storing the program to ROM) ........................................................... 7 - 39
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