Mitsubishi MELSEC Q Series Handbook

A - 10
3.8 Other Precaution ............................................................................................................................ 3 - 24
3.9 Program Examples ........................................................................................................................ 3 - 25
3.9.1 Initial processing ..................................................................................................................... 3 - 26
3.9.2 Open/close processing ........................................................................................................... 3 - 29
3.9.3 Communication using fixed buffer ..........................................................................................3 - 33
CHAPTER 4 INTELLIGENT COMMUNICATION MODULE REPLACEMENT 4 - 1 to 4 - 27
4.1 List of Intelligent Communication Modules to be Replaced ............................................................. 4 - 1
4.2 Performance Specifications Comparison ......................................................................................... 4 - 2
4.2.1 Module performance comparison .............................................................................................4 - 2
4.2.2 Cable specifications comparison .............................................................................................. 4 - 5
4.3 Function Comparison ....................................................................................................................... 4 - 7
4.4 Switch Setting .................................................................................................................................. 4 - 9
4.5 Program Comparison ..................................................................................................................... 4 - 15
4.5.1 I/O signal ................................................................................................................................ 4 - 15
4.5.2 Buffer memory ........................................................................................................................ 4 - 21
4.6 Reuse of Existing Programs .......................................................................................................... 4 - 22
4.6.1 Replacement of intelligent communication module AD51H-S3 .............................................. 4 - 22
4.6.2 Replacement of intelligent communication module A1SD51S ................................................ 4 - 24
4.6.3 Replacement of intelligent communication module AD51-S3 ................................................. 4 - 27
CHAPTER 5 EXTERNAL DIMENSIONS 5 - 1 to 5 - 2
5.1 External Dimensions ........................................................................................................................ 5 - 1
APPENDICES App - 1 to App - 9
Appendix 1 Spare Parts Storage ..........................................................................................................App - 1
Appendix 2 Procedure for Replacing the A1SD51S with the QD51(-R24) ...........................................App - 2
Appendix 3 Relevant Manuals ..............................................................................................................App - 6
Appendix 3.1 Replacement Handbooks ...........................................................................................App - 6
Appendix 3.2 A/AnS series ...............................................................................................................App - 8
Appendix 3.3 QnA/QnAS series .......................................................................................................App - 8
Appendix 3.4 Q series ......................................................................................................................App - 8

Mitsubishi MELSEC Q Series Specifications

General

Brand	Mitsubishi
Model	MELSEC Q Series
Category	Controller
Language	English