Contents

6.1.8

Application LED

57

6.1.9

Reading and Clearing the Error Log

57

6.2

Hot Swapping An Ethernet Module

60

6.3

Downloading a New Software Image

61

Appendix A

Specifications

63

Appendix B Ethernet Developers Guide

65

B.1

Introduction

65

B.2

References

65

B.3

Overview

66

B.4

Development Environment

66

B.5

Class Descriptions

67

B.6

The CSample_doc Class

68

B.7

The CSample_View Class

69

B.8

Timers

71

B.9

Transaction Processing

71

B.10

Transmit State Machine

72

B.11

Receive State Machine

74

B.12

Displaying on the Screen

76

Appendix C Quantum Ethernet TCP/IP Modbus Application Protocol ..

77

C.1

Introduction

77

C.2

Modbus Application Protocol PDU Analysis

80

C.3

TCP/IP Specific Issues

82

C.4

Reference Documents

83

Appendix D

Suppliers

85

Glossary

87

Index

93

840 USE 115 00 Version 1.0

vii

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Schneider Optics Modicon Quantum Ethernet manual Appendix a Specifications, Appendix D Suppliers Glossary Index