MITSUBISHI ELECTRIC Mitsubishi Programmable Logic Controller QD75D - Manual (Page 8)

A - 6
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- 4
INTRODUCTION ...........................................................................................................................................A- 6
CONTENTS....................................................................................................................................................A- 6
About Manuals ..............................................................................................................................................A- 13
Using This Manual.........................................................................................................................................A- 13
Conformation to the EMC AND LOW-VOLTAGE DIRECTIVES.................................................................A- 13
Generic Terms and Abbreviations ................................................................................................................A- 14
Component List .............................................................................................................................................A- 15
Section 1 Product Specifications and Handling
1. Product Outline 1- 1 to 1- 22
1.1 Positioning control.................................................................................................................................... 1- 2
1.1.1 Features of QD75.............................................................................................................................. 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 Outline design of positioning system ................................................................................................ 1- 9
1.1.5 Communicating signals between QD75 and each module............................................................. 1- 12
1.2 Flow of system operation........................................................................................................................ 1- 15
1.2.1 Flow of all processes........................................................................................................................ 1- 15
1.2.2 Outline of starting ............................................................................................................................. 1- 18
1.2.3 Outline of stopping ........................................................................................................................... 1- 20
1.2.4 Outline for restarting......................................................................................................................... 1- 21
1.3 Restrictions with a system using a stepping motor................................................................................ 1- 22
1.4 Function additions/modifications according to function version B......................................................... 1- 22
2. System Configuration 2- 1 to 2- 6
2.1 General image of system......................................................................................................................... 2- 2
2.2 Component list ......................................................................................................................................... 2- 4
2.3 Applicable system .................................................................................................................................... 2- 5
2.4 How to check the function version and SERIAL No. ............................................................................. 2- 6