INTRODUCTION

Thank you for purchasing the MELSEC-Q series PLC.

Before using the equipment, please read this manual carefully to develop full familiarity with the functions and performance of the Q series PLC you have purchased, so as to ensure correct use.

Please forward a copy of this manual to the end user.

 

 

CONTENTS (This manual)

 

 

SAFETY PRECAUTIONS..............................................................................................................................

A- 1

REVISIONS....................................................................................................................................................

A- 5

CONTENTS....................................................................................................................................................

A- 7

About Manuals ...............................................................................................................................................

A-15

Conformation to the EMC Directive and Low Voltage Instruction ................................................................

A-15

The Manual’s Use and Structure ...................................................................................................................

A-16

About The Generic Terms and Abbreviations...............................................................................................

A-19

Definitions and Descriptions of Terminology.................................................................................................

A-21

Product Configuration ....................................................................................................................................

A-23

 

 

1 OVERVIEW

1- 1 to 1-11

1.1

Overview of the Serial Communication Module.....................................................................................

1- 1

1.2

Features of the Serial Communication Module......................................................................................

1- 2

1.3

About Added/Changed Functions in Function Version B ......................................................................

1-10

 

 

2 SYSTEM CONFIGURATION AND AVAILABLE FUNCTIONS

2- 1 to 2-14

2.1

Applicable Systems.................................................................................................................................

2-

1

2.2

Combinations of PLC CPU and External Device, and Available Functions..........................................

2- 3

2.3

For Use in Multiple CPU System............................................................................................................

2- 6

2.4

For Use with Q00J/Q00/Q01CPU ..........................................................................................................

2- 7

2.5

For Use at MELSECNET/H Remote I/O Station....................................................................................

2- 8

2.6

Checking the Function Version, Serial No., and Software Version.......................................................

2-12

 

 

3 SPECIFICATIONS

3- 1 to 3-31

3.1

Performance Specifications....................................................................................................................

3-

1

3.2

RS-232 Interface Specification...............................................................................................................

3-

3

3.2.1

RS-232 connector specifications .....................................................................................................

3-

3

3.2.2

RS-232 cable specification ..............................................................................................................

3-

5

3.3

RS-422/485 Interface Specifications......................................................................................................

3-

6

3.3.1

RS-422/485 terminal block specifications .......................................................................................

3-

6

3.3.2

RS-422/485 cable specifications .....................................................................................................

3-

7

3.3.3

Precautions when transferring data using RS-422/485 circuit .......................................................

3-

8

3.4

Serial Communication Module Function List..........................................................................................

3-11

3.5

Dedicated Instruction List........................................................................................................................

3-12

3.6

Utility Package (GX Configurator-SC) Function List..............................................................................

3-13

3.7

List of GX Developer Setting Items for Serial Communication Modules...............................................

3-14

3.8

List of Input/Output Signals for the PLC CPU........................................................................................

3-15

3.9

List of Applications and Assignments of the Buffer Memory .................................................................

3-17

A - 7

A - 7