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INTRODUCTION
Thank you for purchasing the Mitsubishi general-purpose programmable logic controller MELSEC-Q Series.
Always read through this manual, and fully comprehend the functions and performance of the Q Series PLC
before starting use to ensure correct usage of this product.
CONTENTS
SAFETY INSTRUCTIONS............................................................................................................................A- 1
REVISIONS...................................................................................................................................................A- 11
INTRODUCTION...........................................................................................................................................A 12
CONTENTS...................................................................................................................................................A- 13
About Manuals ..............................................................................................................................................A- 19
Using This Manual.........................................................................................................................................A- 19
Conformation to the EMC Directive..............................................................................................................A- 19
Generic Terms and Abbreviations................................................................................................................A- 20
Component List .............................................................................................................................................A- 20
Section 1 Product Specifications and Handling
1. Product Outline 1- 1 to 1- 28
1.1 Positioning control.................................................................................................................................... 1- 2
1.1.1 Features of QD75MH........................................................................................................................ 1- 2
1.1.2 Purpose and applications of positioning control............................................................................... 1- 5
1.1.3 Mechanism of positioning control .....................................................................................................1- 7
1.1.4 Overview of positioning control functions.........................................................................................1- 8
1.1.5 Outline design of positioning system...............................................................................................1- 18
1.1.6 Communicating signals between QD75MH and each module.......................................................1- 19
1.2 Flow of system operation........................................................................................................................1- 22
1.2.1 Flow of all processes........................................................................................................................1- 22
1.2.2 Outline of starting .............................................................................................................................1- 24
1.2.3 Outline of stopping ........................................................................................................................... 1- 26
1.2.4 Outline for restarting......................................................................................................................... 1- 28
2. System Configuration 2- 1 to 2- 8
2.1 General image of system.........................................................................................................................2- 2
2.2 Component list ......................................................................................................................................... 2- 4
2.3 Applicable system ....................................................................................................................................2- 6
2.4 How to check the function version and SERIAL No. .............................................................................. 2- 8
3. Specifications and Functions 3- 1 to 3- 24
3.1 Performance specifications...................................................................................................................... 3- 2
3.2 List of functions ....................................................................................................................................... 3- 4
3.2.1 QD75MH control functions................................................................................................................ 3- 4
3.2.2 QD75MH main functions................................................................................................................... 3- 6