modbus tcp.pdf

GE Fanuc Automation

Programmable Control Products

TCP/IP Ethernet Communications

for the Series 90 -30 PLC

User’s Manual

GFK-1084B

August, 1997

GFL–002

Warnings, Cautions, and Notes

as Used in this Publication

Warning

Warning notices are used in this publication to emphasize that

hazardous voltages, currents, temperatures, or other conditions that

could cause personal injury exist in this equipment or may be

associated with its use.

In situations where inattention could cause either personal injury or

damage to equipment, a Warning notice is used.

Caution

Caution notices are used where equipment might be damaged if care is

not taken.

Note

Notes merely call attention to information that is especially significant to

understanding and operating the equipment.

This document is based on information available at the time of its publication. While

efforts have been made to be accurate, the information contained herein does not

purport to cover all details or variations in hardware or software, nor to provide for

every possible contingency in connection with installation, operation, or maintenance.

Features may be described herein which are not present in all hardware and software

systems. GE Fanuc Automation assumes no obligation of notice to holders of this

document with respect to changes subsequently made.

GE Fanuc Automation makes no representation or warranty, expressed, implied, or

statutory with respect to, and assumes no responsibility for the accuracy, completeness,

sufficiency, or usefulness of the information contained herein. No warranties of

merchantability or fitness for purpose shall apply.

The following are trademarks of GE Fanuc Automation North America, Inc.

Alarm Master

CIMPLICITY

CIMPLICITY Control

CIMPLICITY PowerTRAC

CIMPLICITY 90-ADS

CIMSTAR

Field Control

GEnet

Genius

Genius PowerTRAC

Helpmate

Logicmaster

Modelmaster

PowerMotion

ProLoop

PROMACRO

Series Five

Series 90

Series One

Series Six

Series Three

VuMaster

Workmaster

Preface

Content of This Manual

Chapter 1. Introduction: Discusses the TCP/IP Ethernet Interface, its communications

capabilities, and generally how to get your system running. Also included

is a quick guide to the manual.

Chapter 2. Installing the TCP/IP Ethernet Interface: Describes the basic features of

the TCP/IP Ethernet Interface, the installation and power-up of the Inter-

face, and a procedure for the initial checkout of the Interface on your Ether-

net cable.

Chapter 3. Programming Communications Requests: Describes the ladder program-

ming necessary for communications between PLCs.

Chapter 4. Troubleshooting: Describes troubleshooting and problem isolation for the

Ethernet Interface.

Appendix A. Glossary of Terms

Appendix B. Communications Port Characteristics

Appendix C. Advanced Information About IP and MAC Addresses

Appendix D. Sample Ladder Program

Appendix E.

PC Software loader

Related Publications

GFK-1186

TCP/IP Ethernet Communications for the Series 90 PLC Station Manager Manual

GFK-0356

Series 90 - 30 Programmable Controller Installation Manual

GFK-0466

Logicmaster 90 Series 90 - 30/20/Micro Programming Software User’s Manual

GFK-1295

Using CIMPLICITY Control

GFK-0467

Series 90 - 30/20/Micro Programming Software Reference Manual

GFK-0870

Host Communications Toolkit for C/C++ Applications User’s Manual

GFK-1063

Host Communications Toolkit for Visual Basic Applications User’s Manual

Host Communications Drivers for Microsoft [

Windows [

GFK-1026

User’s Manual

We Welcome Your Comments and Suggestions

At GE Fanuc Automation, we strive to produce quality technical documentation. After

you have used this manual, please take a few moments to complete and return the

Reader ’s Comment Card located on the next page.

GFK-1084B

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