Table Of Contents - Mitsubishi MELSEC Q Series Reference Manual

Thank you for purchasing the MELSEC-Q/L series programmable controller.
This manual describes the functions of the MELSEC-Q/L series programmable controllers.
Before using this product, please read this manual and the relevant manuals carefully and develop familiarity
with the functions and performance of the MELSEC-L series programmable controller to handle the product
correctly.
Please always forward this manual to the end user.
Safety Precautions ........................................................................................................................A-
Conditions Of Use For The Product .......................................................................................A-
Revisions ..............................................................................................................................................A-
INTRODUCTION......................................................................................................................................A-
Relevant Manuals............................................................................................................................A- 13
Manual Page Organization ..........................................................................................................A- 15
Generic Terms And Abbreviations ...........................................................................................A- 17
Terms .....................................................................................................................................................A- 19
1 OVERVIEW
1.1 Overview of the MELSEC Communication Protocol............................................................................ 1- 1
1.2 Features of the MELSEC Communication Protocol ............................................................................ 1- 3
2 DATA COMMUNICATION USING THE MELSEC COMMUNICATION PROTOCOL
2.1 Types and Applications of Data Communication Frames ................................................................... 2- 1
2.2 Accessible Range of Each Data Communication Frames .................................................................. 2- 3
2.3 How to Read the Control Procedures of the MC Protocol................................................................... 2- 5
2.4 Access Timing of the Programmable Controller CPU Side................................................................. 2- 6
2.5 Setting Method for Writing to the Programmable Controller CPU during RUN .................................. 2- 8
2.6 Accessing Other Stations ..................................................................................................................... 2- 9
2.6.1 Accessible programmable controllers of other stations ................................................................ 2- 9
2.6.2 Example of accessible station when each frame is used ............................................................. 2- 12
2.6.3 Example of designating data items for accessing other station designated within each data
communication frame .................................................................................................................... 2- 16
2.7 Precautions on Data Communication................................................................................................... 2- 19
2.7.1 When using E71 ............................................................................................................................. 2- 19
2.7.2 When using C24............................................................................................................................. 2- 21
2.8 Time Chart and Communication Time of the Transmission Sequence of
the Serial Communication Module ....................................................................................................... 2- 22
2.9 Transmission Time When Accessing Other Stations via CC-Link IE Controller Network,
CC-Link IE Field Network, MELSECNET/H, MELSECNET/10........................................................... 2- 25
2.10 Compatibility with Multiple CPU Systems .......................................................................................... 2- 28
2.11 Compatibility with the Serial Communication Function in the CPU Module ..................................... 2- 32
2.12 Compatibility with Programmable Controller CPU with Built-In Ethernet Port.................................. 2- 34
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INTRODUCTION
CONTENTS
1
3
4
7
1- 1 to 1- 4
2- 1 to 2- 34
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