A - 5
INTRODUCTION
Thank you for purchasing the Mitsubishi general-purpose programmable logic controller MELSEC-A Series.
Always read through this manual, and fully comprehend the functions and performance of the A Series PLC
before starting use to ensure correct usage of this product.
CONTENTS
SAFETY INSTRUCTIONS...............................................................................................................................A-1
REVISIONS......................................................................................................................................................A-4
INTRODUCTION..............................................................................................................................................A-5
CONTENTS......................................................................................................................................................A-5
About Manuals ...............................................................................................................................................A-12
Conformation to the EMC Directive and Low Voltage Instruction ................................................................A-12
Using This Manual (1)....................................................................................................................................A-13
Using This Manual (2)....................................................................................................................................A-14
Using This Manual (3)....................................................................................................................................A-15
Generic Terms and Abbreviations.................................................................................................................A-16
Enclosed Parts ...............................................................................................................................................A-17
SECTION 1 PRODUCT SPECIFICATIONS AND HANDLING
1. PRODUCT OUTLINE 1-1 to 1-20
1.1 Positioning control......................................................................................................................................1-2
1.1.1 Features of AD75 ................................................................................................................................1-2
1.1.2 Purpose and applications of positioning control.................................................................................1-6
1.1.3 Mechanism of positioning control ....................................................................................................... 1-8
1.1.4 Outline design of positioning system................................................................................................1-10
1.1.5 Communicating signals between AD75 and each module..............................................................1-12
1.2 Flow of system operation.........................................................................................................................1-14
1.2.1 Flow of all processes.........................................................................................................................1-14
1.2.2 Outline of starting ..............................................................................................................................1-16
1.2.3 Outline of stopping ............................................................................................................................1-18
1.2.4 Outline for restarting..........................................................................................................................1-19
2. SYSTEM CONFIGURATION 2-1 to 2-10
2.1 General image of system...........................................................................................................................2-2
2.2 List of configuration devices ......................................................................................................................2-4
2.3 Applicable system ...................................................................................................................................... 2-6
2.4 Precautions for configuring system ...........................................................................................................2-7
2.4.1 Precautions for mounting base unit....................................................................................................2-7
2.4.2 Precautions according to module version .........................................................................................2-7
2.4.3 Precautions for using 3-axis module .................................................................................................2-8
2.4.4 Precautions for configuring absolute position detection system ....................................................... 2-8
2.4.5 Precautions for machine zero point return control in absolute position detection system ............... 2-8
2.4.6 Precautions for using servo amplifier MR-J2S-B, MR-J2-03B5 ....................................................... 2-9