TABLE OF CONTENTS

PRECAUTIONS

xxi

1

Intended Audience

xxii

2

General Precautions

xxii

3

Safety Precautions

xxii

4

Operating Environment Precautions

xxiii

5

Application Precautions

xxiii

6 Conformance to EC Directives

xxv

SECTION 1

1

Features and System Configuration

1-1

Ethernet Unit Function Guide

2

1-2

Features

8

1-3

System Configuration

11

1-4

Specifications

13

1-5

Overview of Communications Functions

17

1-6

Nomenclature and Functions

23

1-7

Comparison with Previous Models

27

1-8

Unit Version Upgrade Information

28

SECTION 2

29

Installation and Initial Setup

2-1

Overview of Startup Procedure

30

2-2

Switch Settings

31

2-3

Mounting to a PLC

33

2-4

Network Installation

34

2-5

Connecting to the Network

38

2-6

Creating I/O Tables

39

2-7

Unit Setup Procedure

41

2-8

Using the Web Browser Setting Function

43

2-9

Basic Settings

46

2-10 Unit Setup for Particular Applications

50

2-11

Communications Test

52

2-12

Converting from Previous Models

53

SECTION 3

61

CX-Programmer Unit Setup

3-1

Setup

62

3-2

FINS/TCP

64

3-3

DNS

66

3-4

SMTP

67

3-5

POP

68

3-6

Mail Address

69

3-7

Send Mail

70

3-8

Receive Mail

72

3-9

Auto Adjust Time

74

3-10

HTTP

75

ix

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Omron CS1W-ETN21 operation manual Table of Contents