Omron C200HW-CLK21 User manual

OPERATION MANUAL

Cat. No. W309-E1-09

SYSMAC

CS1W-CLK21-V1

CJ1W-CLK21-V1

C200HW-CLK21

CVM1-CLK21

CQM1H-CLK21

(CS1W-RPT01/02/03 Repeater Units)

Controller Link Units

CS1W-CLK21-V1

CJ1W-CLK21-V1

C200HW-CLK21

CVM1-CLK21

CQM1H-CLK21

(CS1W-RPT01/02/03 Repeater Units)

Controller Link Units

Operation Manual

Revised January 2006

iv

v

Notice:

OMRON products are manufactured for use according to proper procedures by a qualified operator

and only for the purposes described in this manual.

The following conventions are used to indicate and classify precautions in this manual. Always heed

the information provided with them. Failure to heed precautions can result in injury to people or dam-

age to property.

!DANGER Indicates an imminently hazardous situation which, if not avoided, will result in death or

serious injury. Additionally, there may be severe property damage.

!WARNING Indicates a potentially hazardous situation which, if not avoided, could result in death or

serious injury. Additionally, there may be severe property damage.

!Caution Indicates a potentially hazardous situation which, if not avoided, may result in minor or

moderate injury, or property damage.

OMRON Product References

All OMRON products are capitalized in this manual. The word “Unit” is also capitalized when it refers to

an OMRON product, regardless of whether or not it appears in the proper name of the product.

The abbreviation “Ch,” which appears in some displays and on some OMRON products, often means

“word” and is abbreviated “Wd” in documentation in this sense.

The abbreviation “PLC” means Programmable Controller. “PC” is used, however, in some Program-

ming Device displays to mean Programmable Controller.

Visual Aids

The following headings appear in the left column of the manual to help you locate different types of

information.

Note Indicates information of particular interest for efficient and convenient opera-

tion of the product.

1,2,3...

1. Indicates lists of one sort or another, such as procedures, checklists, etc.

 OMRON, 1997

by any means, mechanical, electronic, photocopying, recording, or otherwise, without the prior written permission of

OMRON.

No patent liability is assumed with respect to the use of the information contained herein. Moreover, because OMRON is con-

stantly striving to improve its high-quality products, the information contained in this manual is subject to change without

notice. Every precaution has been taken in the preparation of this manual. Nevertheless, OMRON assumes no responsibility

for errors or omissions. Neither is any liability assumed for damages resulting from the use of the information contained in

this publication.

vi

Unit Versions of CS/CJ-series Controller Link Units

Unit Versions

A “unit version” has been introduced to manage CS/CJ-series Controller Link Units according to differ-

ences in functionality accompanying upgrades.

Unit Version Notation on Products

The unit version code is provided on the nameplate of the CS/CJ-series Controller Link Units for which

unit versions are being managed. This system applies to Controller Link Units with unit version 1.2 or

later.

Confirming Unit Versions with Support Software

CX-Programmer version 5.0 or higher can be used to confirm the unit version in the Unit Manufacturing

Information.

1,2,3... 1. 1. In the I/O Table Window, right-click on the Controller Link Unit, and then

select Unit Manufacturing Information.

2. The following Unit Manufacturing Information Dialog Box will be displayed.

Example: In this Unit Manufacturing Information Dialog Box, unit version

1.2 is displayed. Use this dialog box to confirm the unit version of the Con-

troller Link Unit that is connected online.

CS1W-CLK21-V1

CONTROLLER LINK UNIT

Lot No. 040901 0000 Ver.1.2

OMRON Corporation MADE IN JAPAN

Example: CS1W-CLK21-V1

CS-series Controller Link Unit

Nameplate

Unit version 1.

2

Indicates the unit version.

vii

Using the Unit Version Labels

Unit version labels are provided with the product. These labels can be attached to the front of previous

Controller Link Units to differentiate between Controller Link Units of different unit versions.

Unit Version Notation

The unit versions are indicated in this manual as follows:

Function Support by Unit Version

Note Use the CX-Net in CX-Programmer version 5.0 or later to set a data link area

in which the number of send and receive words exceeds 12,000 words, or to

set data link tables that allocate the same area for Area 1 and Area 2.

Unit Versions and Manufacturing Dates/Lot Numbers

Notation in product nameplate Notation in this manual Remarks

Ver.1.2 or later after the lot number CS/CJ-series Controller Link Units

with unit version 1.2 or later

Information for which no particular

version is specified applies to all

unit versions.

Blank after the lot number Pre-Ver. 1.2 CS/CJ-series Control-

ler Link Units

Functions Earlier version (Pre-Ver. 1.2) Unit version 1.2

CS1W-CLK21-V1

CJ1W-CLK21-V1

CS1W-CLK21-V1

CJ1W-CLK21-V1

Maximum number of data link

words (data link area for sending/

receiving that is created for a sin-

gle node in a single CPU Unit)

12,000 max. 20,000 max.

Data Link Area The same area cannot be allo-

cated for both Area 1 and Area 2.

The same area can be allocated

for both Area 1 and Area 2.

Maximum number of Units con-

nected to a single CPU Unit

4 Units 8 Units

Model Until August 2004 From September 2004

CS1W-CLK21-V1 Pre-Ver. 1.2 Unit version 1.2

(Lot No. 040901 and later)

CJ1W-CLK21-V1

viii

ix

TABLE OF CONTENTS

PRECAUTIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xix

1 Intended Audience . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xx

2 General Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xx

3 Safety Precautions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xx

4 Operating Environment Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxi

5 Applications Precautions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxii

6 Conformance to EC Directives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxiv

SECTION 1

Features and System Configuration . . . . . . . . . . . . . . . . . . . 1

1-1 Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

1-2 Specifications and Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

1-3 Selection of Communications Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

1-4 Basic Procedures. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

1-5 Application Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

SECTION 2

Basic Procedures. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

2-1 Data Links Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

2-2 Message Service Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

SECTION 3

Installation and Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

3-1 Component Names and Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

3-2 Unit Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

3-3 Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

3-4 Constructing Networks with Repeater Units. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

SECTION 4

Preparations for Communications . . . . . . . . . . . . . . . . . . . . 85

4-1 CS-series Controller Link Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86

4-2 CJ-series Controller Link Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89

4-3 C200HX/HG/HE Controller Link Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

4-4 CVM1 and CV-series Controller Link Units. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

4-5 CQM1H-series Controller Link Units. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100

4-6 Repeater Units. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102

x

TABLE OF CONTENTS

SECTION 5

Data Links . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105

5-1 What Are Data Links?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106

5-2 Setting Data Links . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113

5-3 Starting and Stopping Data Links . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153

5-4 Checking Data Link Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .156

SECTION 6

Message Service. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165

6-1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166

6-2 Selecting Communications Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186

6-3 Using the Message Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .189

6-4 FINS Commands and Responses. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199

6-5 Commands and Responses for Controller Link Units. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201

6-6 Commands and Responses for C200HX/HG/HE and CQM1H-series PLCs . . . . . . . . . . . . 212

6-7 Response Codes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225

SECTION 7

Network Interconnections . . . . . . . . . . . . . . . . . . . . . . . . . . . 233

7-1 What is Network Interconnection? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 234

7-2 Remote Programming and Monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 236

7-3 Routing Tables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239

7-4 Setting Routing Tables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240

SECTION 8

Communications Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247

8-1 Communications Mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 248

8-2 Communications Cycle Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251

8-3 Data Link I/O Response Time. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253

8-4 Message Delay Times . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265

SECTION 9

Troubleshooting and Maintenance . . . . . . . . . . . . . . . . . . . . 275

9-1 Troubleshooting Using Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 276

9-2 Status Area and Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 292

9-3 Error Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 313

9-4 Troubleshooting Error Messages in CX-Net Data Link Table Check. . . . . . . . . . . . . . . . . . 320

9-5 Cleaning and Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 323

9-6 Handling Precautions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 324

xi

TABLE OF CONTENTS

SECTION 10

Adding Nodes and Editing Active Data Link Tables . . . . . 331

10-1 Adding Nodes Using a Repeater Unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 332

10-2 Changing the Data Link Tables with Active Data Links . . . . . . . . . . . . . . . . . . . . . . . . . . . 336

Appendices

A Standard Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 343

B Memory Areas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 347

C Using the Relay Terminal Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 365

Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 369

Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 375

xii

TABLE OF CONTENTS

xiii

About this Manual:

This manual describes the installation, setup, and operation of the C200HW-CLK21, CS1W-CLK21-

V1, CJ1W-CLK21-V1, CVM1-CLK21, and CQM1H-CLK21 Controller Link Units for C200HX/HG/HE,

CS/CJ-series, CVM1, CQM1H-series, and CV-series PLCs, and includes the sections described

below. The Controller Link Units are used to connect these PLCs to a Controller Link Network. Infor-

mation is also provided in this manual on CS1W-RPT01/02/03 Repeater Units. The following three

manuals are directly related to application of the Controller Link Network.

Depending on the system, you may also need the CX-Programmer, or a Programming Console. Refer

to the body of this manual for details. Please read this manual and related manuals carefully and be

sure you understand the information provided before attempting to install and operate a Controller Link

Unit.

Precautions provides general precautions for using the Controller Link Unit and related devices.

Section 1 provides basic information on Controller Link Networks, and will give the reader an overview

of what Controller Link Networks can do and how best to use them.

Section 2 describes the basic procedures to use the Controller Link Unit. The settings necessary for

using each of the functions are also explained briefly. For more details, refer to the following sections

on individual functions.

Section 3 describes how to install a Controller Link Unit and how to wire the Controller Link Network.

Details are also provided on installation, wiring, and basic operating procedures of Repeater Units,

including information on using them to construct networks.

Section 4 describes the settings required for starting communications. These basic settings are

required for both data links function and the message service. Carry out the settings described here

before turning on power to the Controller Link Unit.

Section 5 describes how to use data links in a Controller Link Network. Refer to SECTION 2 Basic

Procedures for an outline of data link application.

Section 6 explains how to use the message service provided by a Controller Link Unit. It also explains

the FINS commands and responses supported by Controller Link Units and those supported by

C200HX/HG/HE, CVM1, and CV-series PLCs.

Name Contents Cat. No.

(suffixes omitted)

SYSMAC CS1W-CLK21, CJ1W-CLK21,

C200HW-CLK21, CVM1-CLK21.

CQM1H-CLK21 Controller Link Units

Operation Manual (this manual)

Installation, setup, and operating procedures for the Con-

troller Link Units. Controller Link Units are used to connect

PLCs to a Controller Link Network.

W309

3G8F7-CLK12-E-V1/CLK52-E-V1/

CLK21-E-V1 Controller Link Support

Boards for PCI Bus

Operation Manual

Operating procedures for Controller Link Support Boards

for PCI bus connections. Controller Link Support Boards

are used to connect IBM PC/ATs or compatibles to a Con-

troller Link Network.

W383

3G8F7-CLK12-E/CLK52-E/CLK21-E Con-

troller Link Support Boards for PCI Bus

Installation Guide

Installation and setup procedures for Controller Link Sup-

port Boards for PCI bus connections. Controller Link Sup-

port Boards are used to connect IBM PC/ATs or

compatibles to a Controller Link Network.

W388

3G8F5-CLK11-E, 3G8F5-CLK21-E Con-

troller Link Support Boards for ISA Bus

Operation Manual

Installation, setup, and operating procedures for Controller

Link Support Boards for ISA bus connections. Controller

Link Support Boards are used to connect IBM PC/ATs or

compatibles to a Controller Link Network.

W307

CS1W-CLK12, CVM1-CLK12 Optical

Ring Controller Link Units

Operation Manual

Installation, setup, and operating procedures for the Optical

Ring Controller Link Units. Controller Link Units are used to

connect C200HX/HG/HE CV-series, and CS-series PLCs

to a Controller Link Network.

W370

C200HW-ZW3AT2-E-V2 Controller Link

Support Software

Operation Manual

Installation and operating procedures for the Controller

Link Support Software. The Controller Link Support Soft-

ware enables manually set data links and other procedures

for a Controller Link Network.

W369

xiv

Section 7 describes the method used to connect multiple networks through CS/CJ-series, CVM1, and

CV-series PLCs. The section also describes remote programming and monitoring with Programming

Devices.

Section 8 explains details on Controller Link Network communications. Refer to this section for net-

work communications that require accurate communications timing.

Section 9 provides information on troubleshooting errors that occur during Controller Link Unit opera-

tion, as well as daily inspection, cleaning, and other maintenance procedures.

Section 10 provides information on functions that can be performed without turning OFF the PLC

power to the existing network, such as adding nodes to the Controller Link Network using a Repeater

Unit and changing data link tables while the data links are active.

Appendix A provides a list of standard OMRON products related to Controller Link Networks.

Appendix B provides easy reference to the words in PLC memory areas used by Controller Link Net-

works.

Appendix C provides information on how to use the CJ1W-TB101 Wired Controller Link Unit Relay

Terminal Block, including details on connection and replacement.

!WARNING Failure to read and understand the information provided in this manual may

result in personal injury or death, damage to the product, or product failure.

Please read each section in its entirety and be sure you understand the infor-

mation provided in the section and related sections before attempting any of

the procedures or operations given.

xv

Read and Understand this Manual

Please read and understand this manual before using the product. Please consult your OMRON

representative if you have any questions or comments.

Warranty and Limitations of Liability

WARRANTY

OMRON's exclusive warranty is that the products are free from defects in materials and workmanship for a

period of one year (or other period if specified) from date of sale by OMRON.

OMRON MAKES NO WARRANTY OR REPRESENTATION, EXPRESS OR IMPLIED, REGARDING NON-

INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR PARTICULAR PURPOSE OF THE

PRODUCTS. ANY BUYER OR USER ACKNOWLEDGES THAT THE BUYER OR USER ALONE HAS

DETERMINED THAT THE PRODUCTS WILL SUITABLY MEET THE REQUIREMENTS OF THEIR

INTENDED USE. OMRON DISCLAIMS ALL OTHER WARRANTIES, EXPRESS OR IMPLIED.

LIMITATIONS OF LIABILITY

OMRON SHALL NOT BE RESPONSIBLE FOR SPECIAL, INDIRECT, OR CONSEQUENTIAL DAMAGES,

LOSS OF PROFITS OR COMMERCIAL LOSS IN ANY WAY CONNECTED WITH THE PRODUCTS,

WHETHER SUCH CLAIM IS BASED ON CONTRACT, WARRANTY, NEGLIGENCE, OR STRICT

LIABILITY.

In no event shall the responsibility of OMRON for any act exceed the individual price of the product on which

liability is asserted.

IN NO EVENT SHALL OMRON BE RESPONSIBLE FOR WARRANTY, REPAIR, OR OTHER CLAIMS

REGARDING THE PRODUCTS UNLESS OMRON'S ANALYSIS CONFIRMS THAT THE PRODUCTS

WERE PROPERLY HANDLED, STORED, INSTALLED, AND MAINTAINED AND NOT SUBJECT TO

CONTAMINATION, ABUSE, MISUSE, OR INAPPROPRIATE MODIFICATION OR REPAIR.

xvi

Application Considerations

SUITABILITY FOR USE

OMRON shall not be responsible for conformity with any standards, codes, or regulations that apply to the

combination of products in the customer's application or use of the products.

At the customer's request, OMRON will provide applicable third party certification documents identifying

ratings and limitations of use that apply to the products. This information by itself is not sufficient for a

complete determination of the suitability of the products in combination with the end product, machine,

system, or other application or use.

The following are some examples of applications for which particular attention must be given. This is not

intended to be an exhaustive list of all possible uses of the products, nor is it intended to imply that the uses

listed may be suitable for the products:

• Outdoor use, uses involving potential chemical contamination or electrical interference, or conditions or

uses not described in this manual.

• Nuclear energy control systems, combustion systems, railroad systems, aviation systems, medical

equipment, amusement machines, vehicles, safety equipment, and installations subject to separate

industry or government regulations.

• Systems, machines, and equipment that could present a risk to life or property.

Please know and observe all prohibitions of use applicable to the products.

NEVER USE THE PRODUCTS FOR AN APPLICATION INVOLVING SERIOUS RISK TO LIFE OR

PROPERTY WITHOUT ENSURING THAT THE SYSTEM AS A WHOLE HAS BEEN DESIGNED TO

ADDRESS THE RISKS, AND THAT THE OMRON PRODUCTS ARE PROPERLY RATED AND

INSTALLED FOR THE INTENDED USE WITHIN THE OVERALL EQUIPMENT OR SYSTEM.

PROGRAMMABLE PRODUCTS

OMRON shall not be responsible for the user's programming of a programmable product, or any

consequence thereof.

xvii

Disclaimers

CHANGE IN SPECIFICATIONS

Product specifications and accessories may be changed at any time based on improvements and other

reasons.

It is our practice to change model numbers when published ratings or features are changed, or when

significant construction changes are made. However, some specifications of the products may be changed

without any notice. When in doubt, special model numbers may be assigned to fix or establish key

specifications for your application on your request. Please consult with your OMRON representative at any

time to confirm actual specifications of purchased products.

DIMENSIONS AND WEIGHTS

Dimensions and weights are nominal and are not to be used for manufacturing purposes, even when

tolerances are shown.

PERFORMANCE DATA

Performance data given in this manual is provided as a guide for the user in determining suitability and does

not constitute a warranty. It may represent the result of OMRON's test conditions, and the users must

correlate it to actual application requirements. Actual performance is subject to the OMRON Warranty and

Limitations of Liability.

ERRORS AND OMISSIONS

The information in this manual has been carefully checked and is believed to be accurate; however, no

responsibility is assumed for clerical, typographical, or proofreading errors, or omissions.

xviii

xix

PRECAUTIONS

This section provides general precautions for using the Controller Link Unit and related devices.

The information contained in this section is important for the safe and reliable application of the Controller Link

Unit. You must read this section and understand the information contained before attempting to set up or operate

a Controller Link Unit.

1 Intended Audience . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xx

2 General Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xx

3 Safety Precautions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xx

4 Operating Environment Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxi

5 Applications Precautions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxii

6 Conformance to EC Directives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxiv

xx

Intended Audience 1

1 Intended Audience

This manual is intended for the following personnel, who must also have

knowledge of electrical systems (an electrical engineer or the equivalent).

• Personnel in charge of installing FA systems.

• Personnel in charge of designing FA systems.

• Personnel in charge of managing FA systems and facilities.

2 General Precautions

The user must operate the product according to the performance specifica-

tions described in the operation manuals.

Before using the product under conditions which are not described in the

manual or applying the product to nuclear control systems, railroad systems,

aviation systems, vehicles, combustion systems, medical equipment, amuse-

ment machines, safety equipment, and other systems, machines, and equip-

ment that may have a serious influence on lives and property if used

improperly, consult your OMRON representative.

Make sure that the ratings and performance characteristics of the product are

sufficient for the systems, machines, and equipment, and be sure to provide

the systems, machines, and equipment with double safety mechanisms.

This manual provides information for programming and operating OMRON

PLCs and related devices. Be sure to read this manual before attempting to

use the software and keep this manual close at hand for reference during

operation.

!WARNING It is extremely important that a PLC and all PLC Units be used for the speci-

fied purpose and under the specified conditions, especially in applications that

can directly or indirectly affect human life. You must consult with your OMRON

representative before applying a PLC System to the above mentioned appli-

cations.

3 Safety Precautions

!WARNING Do not attempt to take any Unit apart while the power is being supplied. Doing

so may result in electric shock.

!WARNING Do not touch any of the terminals or terminal blocks while the power is being

supplied. Doing so may result in electric shock.

!WARNING Provide safety measures in external circuits (i.e., not in the Programmable

Controller), including the following items, to ensure safety in the system if an

abnormality occurs due to malfunction of the PLC or another external factor

affecting the PLC operation. Not doing so may result in serious accidents.

• Fail-safe measures must be taken by the customer to ensure safety in the

event of incorrect, missing, or abnormal signals caused by broken signal

lines, momentary power interruptions, or other causes.

• Emergency stop circuits, interlock circuits, limit circuits, and similar safety

measures must be provided in external control circuits.

xxi

Operating Environment Precautions 4

• The PLC will turn OFF all outputs when its self-diagnosis function detects

any error or when a severe failure alarm (FALS) instruction is executed.

As a countermeasure for such errors, external safety measures must be

provided to ensure safety in the system.

• The PLC outputs may remain ON or OFF due to deposition or burning of

the output relays or destruction of the output transistors. As a counter-

measure for such problems, external safety measures must be provided

to ensure safety in the system.

• When the 24-VDC output (service power supply to the PLC) is overloaded

or short-circuited, the voltage may drop and result in the outputs being

turned OFF. As a countermeasure for such problems, external safety

measures must be provided to ensure safety in the system.

!Caution Execute online edit only after confirming that no adverse effects will be

caused by extending the cycle time. Otherwise, the input signals may not be

readable.

!Caution Confirm safety at the destination node before transferring a program to

another node or changing contents of the I/O memory area. Doing either of

these without confirming safety may result in injury.

4 Operating Environment Precautions

!Caution Do not operate the control system in the following locations:

• Locations subject to direct sunlight.

• Locations subject to temperatures or humidity outside the range specified

in the specifications.

• Locations subject to condensation as the result of severe changes in tem-

perature.

• Locations subject to corrosive or flammable gases.

• Locations subject to dust (especially iron dust) or salts.

• Locations subject to exposure to water, oil, or chemicals.

• Locations subject to shock or vibration.

!Caution Take appropriate and sufficient countermeasures when installing systems in

the following locations:

• Locations subject to static electricity or other forms of noise.

• Locations subject to strong electromagnetic fields.

• Locations subject to possible exposure to radioactivity.

• Locations close to power supplies.

!Caution The operating environment of the PLC System can have a large effect on the

longevity and reliability of the system. Improper operating environments can

lead to malfunction, failure, and other unforeseeable problems with the PLC

System. Be sure that the operating environment is within the specified condi-

tions at installation and remains within the specified conditions during the life

of the system.

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Omron C200HW-CLK21 User manual

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