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INTRODUCTION
Thank you for choosing the Mitsubishi MELSEC-Q Series of General Purpose Programmable Controllers.
Please read this manual carefully so that equipment is used to its optimum.
CONTENTS
SAFETY INSTRUCTIONS ...........................................................................................................................................A- 1
REVISIONS....................................................................................................................................................................A- 6
CONTENTS....................................................................................................................................................................A- 7
Manuals.......................................................................................................................................................................... A-17
How to Use This Manual.............................................................................................................................................. A-18
Generic Terms and Abbreviations............................................................................................................................... A-19
1 OVERVIEW 1 – 1 to 1 - 11
1.1 Features.....................................................................................................................................................................1- 2
1.2 Programs ...................................................................................................................................................................1- 5
1.3 Convenient Programming Devices and Instructions ............................................................................................1- 8
2 SYSTEM CONFIGURATION FOR SINGLE CPU SYSTEM 2- 1 to 2- 6
2.1 System Configuration..............................................................................................................................................2- 1
2.2 Precaution on System Configuration.....................................................................................................................2- 4
2.3 Confirming the Serial No. and Function Versions................................................................................................2- 6
3 PERFORMANCE SPECIFICATION 3- 1 to 3- 3
4 SEQUENCE PROGRAM CONFIGURATION AND EXECUTION CONDITIONS 4- 1 to 4-52
4.1 Sequence Program .................................................................................................................................................4- 1
4.1.1 Main routine program........................................................................................................................4- 3
4.1.2 Sub-routine programs ....................................................................................................................... 4- 4
4.1.3 Interrupt programs.............................................................................................................................4- 6
4.2 Program Execute Type...........................................................................................................................................4-10
4.2.1 Initial execution type program...........................................................................................................4-15
4.2.2 Scan execution type program...........................................................................................................4-17
4.2.3 Low speed execution type program .................................................................................................4-19
4.2.4 Stand-by type program .....................................................................................................................4-25
4.2.5 Fixed scan execution type program.................................................................................................. 4-31
4.3 Operation Processing..............................................................................................................................................4-34
4.3.1 Initial processing................................................................................................................................ 4-34
4.3.2 I/O refresh (I/O module refresh processing).....................................................................................4-34
4.3.3 Automatic refresh of the intelligent function module ........................................................................4-35
4.3.4 END processing ................................................................................................................................4-35
4.4 RUN, STOP, PAUSE Operation Processing........................................................................................................4-36
4.5 Operation Processing during Momentary Power Failure....................................................................................4-37