INTRODUCTION ............................................................................................................................................ A-12

REVISIONS .................................................................................................................................................... A-13

CONTENTS .................................................................................................................................................... A-14

COMPLIANCE WITH THE EMC AND LOW VOLTAGE DIRECTIVES ....................................................... A-22

RELEVANT MANUALS ................................................................................................................................. A-22

MANUAL PAGE ORGANIZATION ................................................................................................................ A-24

TERMS ........................................................................................................................................................... A-25

PACKING LIST ............................................................................................................................................... A-26

Section 1 Product Specifications and Handling

1. Product Outline

1.1 Positioning control .................................................................................................................................... 1- 2

1.1.1 Features of LD77MS ......................................................................................................................... 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 Overview of positioning control functions ......................................................................................... 1- 9

1.1.5 Outline design of positioning system ................................................................................................ 1-19

1.1.6 Communicating signals between LD77MS and each module ......................................................... 1-20

1.2 Flow of system operation ......................................................................................................................... 1-24

1.2.1 Flow of all processes ......................................................................................................................... 1-24

1.2.2 Outline of starting .............................................................................................................................. 1-26

1.2.3 Outline of stopping ............................................................................................................................ 1-28

1.2.4 Outline for restarting .......................................................................................................................... 1-30

2. System Configuration

2.1 General image of system ......................................................................................................................... 2- 2

2.2 Component list ......................................................................................................................................... 2- 3

2.3 Applicable system .................................................................................................................................... 2- 7

2.4 How to check the function version and SERIAL No. .............................................................................. 2- 8

2.5 Restrictions by the SERIAL No. and version. ........................................................................................ 2- 9

3. Specifications and Functions

3.1 Performance specifications ...................................................................................................................... 3- 2

3.2 List of functions ........................................................................................................................................ 3- 4

3.2.1 LD77MS control functions ................................................................................................................. 3- 4

3.2.2 LD77MS main functions .................................................................................................................... 3- 7

3.2.3 LD77MS sub functions ...................................................................................................................... 3- 9

3.2.4 LD77MS common functions .............................................................................................................. 3-11

3.2.5 Combination of LD77MS main functions and sub functions ............................................................ 3-14

3.3 Specifications of input/output signals with PLC CPU ............................................................................. 3-16

3.3.1 List of input/output signals with PLC CPU ........................................................................................ 3-16

CONTENTS

A - 14

1- 1 to 1-30

2- 1 to 2-10

3- 1 to 3-48