A - 11
7.4 Replacement of Special Relay ....................................................................................................... 7 - 30
7.4.1 Replacing the AnSCPU with the QCPU ................................................................................. 7 - 30
7.4.2 Replacing the QnASCPU with the QCPU ............................................................................... 7 - 30
7.5 Replacement of Special Register .................................................................................................. 7 - 31
7.5.1 Replacing the AnSCPU with the QCPU ................................................................................. 7 - 31
7.5.2 Replacing the QnASCPU with the QCPU ............................................................................... 7 - 31
7.6 Precautions for Replacement of the MELSAP-II with the MELSAP3 ............................................. 7 - 32
7.6.1 Starting SFC program ............................................................................................................. 7 - 32
7.6.2 Block information (SFC information device) ........................................................................... 7 - 32
7.6.3 Specifications comparison between MELSAP-II and MELSAP3 ............................................ 7 - 33
7.6.4 MELSAP3 specifications comparison between QnASCPU and QCPU .................................. 7 - 33
7.6.5 SFC diagram that cannot be read normally in another format ................................................ 7 - 34
7.7 Precautions for Program Replacement .......................................................................................... 7 - 35
7.7.1 List of applicable devices ........................................................................................................ 7 - 35
7.7.2 I/O control method .................................................................................................................. 7 - 37
7.7.3 Usable data format for instructions ......................................................................................... 7 - 37
7.7.4 Timer ...................................................................................................................................... 7 - 38
7.7.5 Counter ................................................................................................................................... 7 - 39
7.7.6 Display instructions ................................................................................................................. 7 - 39
7.7.7 Index register .......................................................................................................................... 7 - 40
7.7.8 Instructions where format is changed (Excluding AnUSCPU dedicated instructions) ............ 7 - 42
7.7.9 AnUSCPU/A2ASCPU dedicated instruction ........................................................................... 7 - 43
7.7.10 Setting method when multiple sequence programs are created ............................................ 7 - 44
7.7.11 Precautions for file register replacement ................................................................................7 - 46
7.7.12 Boot run method (Writing programs to ROM) ......................................................................... 7 - 47
APPENDICES App - 1 to App - 6
Appendix 1 External Dimensions ..........................................................................................................App - 1
Appendix 2 Spare Parts Storage ..........................................................................................................App - 1
Appendix 3 Related Manuals ................................................................................................................App - 2
Appendix 3.1 Materials for replacement ...........................................................................................App - 2
Appendix 3.2 AnS/QnAS series .......................................................................................................App - 3
Appendix 3.3 Q series ......................................................................................................................App - 5
Appendix 3.4 Programming tool .......................................................................................................App - 6
Appendix 3.5 Products manufactured by Mitsubishi Electric Engineering Co., Ltd. .........................App - 6
Appendix 3.6 Products manufactured by Mitsubishi Electric System & Service Co., Ltd. ................App - 6