Omron CJ Series CompoNet Master Units Operating instructions

Machine Automation Controller

CJ-series

CompoNet Master Units

Operation Manual

for NJ-series CPU Unit

W493-E1-02

CJ1W-CRM21

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

constantly 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.

 OMRON, 2012

1

Introduction

CJ-series CompoNet Master Unit Operation Manual for NJ-series CPU Unit (Cat. No. W493)

Introduction

Thank you for purchasing a CompoNet Unit.

This manual contains information that is necessary to use the CJ-series CompoNet Unit. Please read

this manual and make sure you understand the functionality and performance of the NJ-series CPU

Unit before you attempt to use it in a control system.

Keep this manual in a safe place where it will be available for reference during operation.

This manual is intended for the following personnel, who must also have knowledge of electrical sys-

tems (an electrical engineer or the equivalent).

•Personnel in charge of introducing FA systems.

•Personnel in charge of designing FA systems.

•Personnel in charge of installing and maintaining FA systems.

•Personnel in charge of managing FA systems and facilities.

For programming, this manual is intended for personnel who understand the programming language

specifications in international standard IEC 61131-3 or Japanese standard JIS B3503.

This manual covers the following products.

•CJ-series CompoNet Unit

•CJ1W-CRM21

Intended Audience

Applicable Products

Relevant Manuals

2CJ-series CompoNet Master Unit Operation Manual for NJ-series CPU Unit (Cat. No. W493)

Relevant Manuals

There are three manuals that provide basic information on the NJ-series CPU Units: the NJ-series CPU

Unit Hardware User’s Manual, the NJ-series CPU Unit Software User’s Manual, and the NJ-series

Instructions Reference Manual.

Most operations are performed from the Sysmac Studio Automation Software. Refer to the Sysmac Stu-

dio Version 1 Operation Manual (Cat. No. W504) for information on the Sysmac Studio.

Other manuals are necessary for specific system configurations and applications.

Read all of the manuals that are relevant to your system configuration and application to make the most

of the NJ-series CPU Unit.

NJ-series User’s Manuals

Basic information

Introduction to NJ-series Controllers

Setting devices and hardware

Using motion control

Using EtherCAT

Using EtherNet/IP

Using CJ-series Units

Software settings

Using motion control

Using EtherCAT

Using EtherNet/IP

Programming

Using motion control

Using EtherCAT

Using CJ-series Units

Programming error processing

Testing operation and debugging

Using motion control

Using EtherCAT

Using EtherNet/IP

Maintenance

Using EtherCAT

Using EtherNet/IP

Using CJ-series Units

NJ-series CPU Unit

Hardware User´s Manual

NJ-series CPU Unit

Software User´s Manual

NJ-series Instructions

Reference Manual

NJ-series CPU Unit Motion

Control User´s Manual

NJ-series CPU Unit Built-in

EtherCAT Port User´s Manual

NJ-series Motion Control

Instructions Reference Manual

NJ-series CPU Unit Built-in

EtherNet/IP Port User´s Manual

NJ-series Troubleshooting Manual

CJ-series Special Unit Operation

Manuals for NJ-series CPU Unit

Troubleshooting and managing

errors in an NJ-series Controller

Use the

relevant

manuals for

references

according to

any error that

occurs.

3

Manual Configuration

CJ-series CompoNet Master Unit Operation Manual for NJ-series CPU Unit (Cat. No. W493)

Manual Configuration

NJ-series CPU Unit Hardware User’s Manual (Cat. No. W500)

Section Description

Section 1

Introduction This section provides an introduction to the NJ-series Controllers and their features,

and gives the NJ-series Controller specifications.

Section 2

System Configuration This section describes the system configuration used for NJ-series Controllers.

Section 3

Configuration Units This section describes the parts and functions of the configuration devices in the NJ-

series Controller configuration, including the CPU Unit and Configuration Units.

Section 4

Installation and Wiring This section describes where and how to install the CPU Unit and Configuration Units

and how to wire them.

Section 5

Troubleshooting This section describes the event codes, error confirmation methods, and corrections

for errors that can occur.

Section 6

Inspection and Maintenance This section describes the contents of periodic inspections, the service life of the Bat-

tery and Power Supply Units, and replacement methods for the Battery and Power

Supply Units.

Appendices The appendices provide the specifications of the Basic I/O Units, Unit dimensions,

load short-circuit protection detection, line disconnection detection, and measures for

EMC Directives.

NJ-series CPU Unit Software User's Manual (Cat. No. W501)

Section Description

Section 1

Introduction This section provides an introduction to the NJ-series Controllers and their features,

and gives the NJ-series Controller specifications.

Section 2

CPU Unit Operation

This section provides information that is necessary to use the CPU Unit, including how

the CPU Unit works and the operations that it performs depending on the status of the

CPU Unit.

Section 3

I/O Ports, Slave Configuration, and

Unit Configuration

This section describes how to use I/O ports, how to create the slave configuration and

unit configuration and how to assign functions.

Section 4

Controller Setup This section describes the initial settings of the function modules.

Section 5

Designing Tasks This section describes the task system and types of tasks.

Section 6

Programming This section describes programming, including the programming languages and the

variables and instructions that are used in programming.

Section 7

Checking Operation and Actual

Operation

This section describes the items and procedures for checking the operation of an NJ-

series Controller, including offline debugging procedures.

Section 8

CPU Unit Functions This section describes the functionality provided by the CPU Unit.

Section 9

Communications Setup This section describes how to go online with the CPU Unit and how to connect to other

devices.

Section 10

Example of Actual Application Pro-

cedures

This section describes the procedures that are used to actually operate an NJ-series

Controller.

Section 11

Troubleshooting This section describes the event codes, error confirmation methods, and corrections

for errors that can occur.

Appendices The appendices provide the CPU Unit specifications, task execution times, specifica-

tions of individual system-defined variables, data attribute lists, CJ-series Unit memory

information, CJ-series Unit memory allocation methods, and version information.

Manual Configuration

4CJ-series CompoNet Master Unit Operation Manual for NJ-series CPU Unit (Cat. No. W493)

Sysmac Studio Version 1 Operation Manual (Cat. No. W504)

Section Description

Section 1

Introduction This section provides an overview and lists the specifications of the Sysmac Studio

and describes its features and components.

Section 2

Installation and Uninstallation This section describes how to install and uninstall the Sysmac Studio.

Section 3

System Design This section describes the basic concepts for designing an NJ-series System with the

Sysmac Studio and the basic operating procedures.

Section 4

Programming This section describes how to create programs with the Sysmac Studio.

Section 5

Online Connections to a Controller This section describes how to go online with a Controller.

Section 6

Debugging This section describes how to debug the programs online on the Controller or debug it

offline with the Simulator.

Section 7

Other Functions This section describes other functions that are supported by the Sysmac Studio,

including security functions and troubleshooting functions.

Section 8

Reusing Programming This section describes how to reuse the programs that you create with the Sysmac

Studio.

Section 9

Support Software Provided with the

Sysmac Studio

This section describes the Support Software that is provided with the Sysmac Studio.

Section 10

Troubleshooting This section describes the error messages that are displayed when you check a pro-

gram on the Sysmac Studio and how to correct those errors.

Appendices The appendices describe the following:

Driver Installation for Direct USB Cable Connection

Specifying One of Multiple Ethernet Interface Cards

Online Help

Simulation Instructions

CJ-series CompoNet Master Unit Operation Manual for NJ-series

CPU Unit (Cat. No. W493) (This Manual)

Section Description

Section 1

Introduction This section provides an overview, the specifications, and the operating procedures of

a CompoNet Network.

Section 2

CompoNet Master Unit This section gives the part names and dimensions of the CompoNet Master Unit, and

it describes the functions of the CompoNet Master Unit.

Section 3

Wiring Configurations This section provides the wiring specifications for a CompoNet Network.

Section 4

Installation and Wiring This section describes how to install a CompoNet Master Unit, connect the cables,

process and mount the connectors, and wire the CompoNet Network power supply.

Section 5

Remote I/O Communications This section describes how to exchange data between the CPU Unit and CompoNet

Slave Unit and it describes the performance of remote I/O communications on Compo-

Net Networks.

Section 6

Message Communications This section describes message communications for the CompoNet Master Unit.

Section 7

Troubleshooting This section describes how to troubleshoot errors in the CompoNet Master Unit. It

describes the error history and event log.

Appendices The appendices describe the differences between using a CompoNet Master Unit with

an NJ-series CPU Unit and using it with a CJ-series CPU Unit.

5

Manual Configuration

CJ-series CompoNet Master Unit Operation Manual for NJ-series CPU Unit (Cat. No. W493)

CompoNet Slave Units and Repeater Unit Operation Manual (Cat.

No. W457)

Section Description

Section 1

Features and Slave Units This section describes the features of the CompoNet Slave Units and it lists the mod-

els that are available.

Section 2

Wiring Configurations This section describes the features and wiring formations of a CompoNet Network,

and it describes the types of communications cables and wiring.

Section 3

Installation and Wiring This section describes how to install the CompoNet Slave Units, connect the cables,

process and mount the connectors, and wire the CompoNet Network power supply.

Section 4

Basic Specifications of Slave Units This section provides the specifications that are common to all CompoNet Slave Units.

Section 5

Digital I/O Slave Units This section provides the specifications of the Digital I/O Slave Units.

Section 6

Analog I/O Slave Units This section provides the specifications of the Analog I/O Slave Units.

Section 7

Temperature Input Units This section provides the specifications of the Temperature Input Units.

Section 8

Expansion Units This section provides the specifications of the Expansion Units.

Section 9

Bit Slave Units This section provides the specifications of the Bit Slave Units.

Section 10

Repeater Unit This section provides the specifications of the Repeater Unit.

Section 11

Smart Functions This section describes the smart functions of CompoNet Slave Units.

Section 12

Troubleshooting and Maintenance This section describes how to troubleshoot errors in CompoNet Slave Units and it

describes device maintenance.

Appendices The appendices provide information on message communications, current consump-

tion, connection precautions, and other information.

Manual Configuration

6CJ-series CompoNet Master Unit Operation Manual for NJ-series CPU Unit (Cat. No. W493)

CX-Integrator Ver.2. @ Operation Manual (Cat. No. W464)

Section Description

Section 1

Overview This section provides an overview of the CX-Integrator and describes the CX-Integra-

tor menus and connections.

Section 2

Basic Operations This section describes the basic operations used for the CX-Integrator.

Section 3

Routing Tables This section describes how to set the routing tables. For NJ-series, routing table is cre-

ated by using Sysmac Studio instead of CX-Integrator.

Section 4

Data Links for Controller Link and

SYSMAC LINK

This section describes how to set data links for Controller Link and SYSMAC LINK net-

works.

Section 5

Ethernet This section describes the operations specific to Ethernet.

Section 6

DeviceNet This section describes the settings and operations unique to DeviceNet networks

including registering slaves in the master, I/O allocations, and device monitoring.

Section 7

CompoNet This section describes the basic usage of CompoNet networks and how to set Compo-

Net parameters.

Section 8

CompoWay/F This section describes the settings and operations specific to the CompoWay/F sys-

tem.

Section 9

NT Link This section describes the settings and operations specific to the NT Link system.

Section 10

Network Testing This section describes the operations of the network test tool.

Appendices The appendices describe the CPS files for Ethernet, Controller Link, CompoWay/F and

NT Link Networks, and EDS files for DeviceNet Networks.

7

Manual Structure

CJ-series CompoNet Master Unit Operation Manual for NJ-series CPU Unit (Cat. No. W493)

Manual Structure

The following page structure is used in this manual.

Page Structure

4-9

4 Installation and Wiring

NJ-series CPU Unit Hardware User’s Manual (W500)

stinU gnitnuoM 3-4

4

stnenopmoC rellortnoC gnitcennoC 1-3-4

4-3 Mounting Units

The Units that make up an NJ-series Controller can be connected simply by pressing the Units together

and locking the sliders by moving them toward the back of the Units. The End Cover is connected in the

same way to the Unit on the far right side of the Controller.

1Join the Units so that the connectors fit exactly.

2The yellow sliders at the top and bottom of each Unit lock the Units together. Move the sliders

toward the back of the Units as shown below until they click into place.

Precautions for Correct UsePrecautions for Correct Use

4-3-1 Connecting Controller Components

Connector

Hook Hook holes

Slider

Lock

Release

Move the sliders toward the back

until they lock into place.

Level 1 heading

Level 2 heading

Level 3 heading

Level 2 heading

A step in a procedure

Manual name

Special information

Level 3 heading

Page tab

Gives the current

headings.

Indicates a procedure.

Icons indicate

precautions, additional

information, or reference

information.

Gives the number

of the main section.

This illustration is provided only as a sample. It may not literally appear in this manual.

The sliders on the tops and bottoms of the Power Supply Unit, CPU Unit, I/O Units, Special I/O

Units, and CPU Bus Units must be completely locked (until they click into place) after connecting

the adjacent Unit connectors.

Manual Structure

8CJ-series CompoNet Master Unit Operation Manual for NJ-series CPU Unit (Cat. No. W493)

Special information in this manual is classified as follows:

Note References are provided to more detailed or related information.

In this manual, “download” refers to transferring data from the Sysmac Studio to the physical Controller

and “upload” refers to transferring data from the physical Controller to the Sysmac Studio.

For the Sysmac Studio, synchronization is used to both upload and download data. Here, “synchronize”

means to automatically compare the data for the Sysmac Studio on the computer with the data in the

physical Controller and transfer the data in the direction that is specified by the user.

Special Information

Precautions for Safe Use

Precautions on what to do and what not to do to ensure safe usage of the product.

Precautions for Correct Use

Precautions on what to do and what not to do to ensure proper operation and performance.

Additional Information

Additional information to read as required.

This information is provided to increase understanding or make operation easier.

Precaution on Terminology

9

Sections in this Manual

CJ-series CompoNet Master Unit Operation Manual for NJ-series CPU Unit (Cat. No. W493)

1

2

3

4

5

1

2

3

4

5

A

Introduction

CompoNet Master Unit

Wiring Configurations

Installation and Wiring

Remote I/O Communications

A

6

7

Appendices

I

IIndex

6

7

Message Communications

Troubleshooting

Sections in this Manual

10 CJ-series CompoNet Master Unit Operation Manual for NJ-series CPU Unit (Cat. No. W493)

CONTENTS

Introduction ...............................................................................................................1

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

Applicable Products ....................................................................................................................................1

Relevant Manuals......................................................................................................2

Manual Configuration ...............................................................................................3

Manual Structure.......................................................................................................7

Page Structure ............................................................................................................................................7

Special Information .....................................................................................................................................8

Precaution on Terminology .........................................................................................................................8

Sections in this Manual ............................................................................................9

Read and Understand this Manual ........................................................................15

Safety Precautions..................................................................................................19

Definition of Precautionary Information ....................................................................................................19

Symbols ....................................................................................................................................................20

Precautions for Safe Use........................................................................................24

Precautions for Correct Use...................................................................................30

Regulations and Standards....................................................................................33

Conformance to EC Directives .................................................................................................................33

Trademarks ...............................................................................................................................................34

Unit Versions ...........................................................................................................35

Unit Versions .............................................................................................................................................35

Related Manuals......................................................................................................37

Revision History......................................................................................................38

Section 1 Introduction

1-1 CompoNet Networks ...............................................................................................................1-2

1-1-1 Features......................................................................................................................................1-2

1-1-2 Overall System Configuration and Elements ..............................................................................1-2

1-1-3 Segments....................................................................................................................................1-5

1-1-4 System Configuration Patterns ...................................................................................................1-6

1-1-5 Features of CompoNet Networks................................................................................................1-6

1-2 CompoNet Network Specifications........................................................................................1-9

1-2-1 Cable Types, Maximum Distances, and Number of Slave Units ...............................................1-12

1-2-2 Branch Line and Multidrop Support for Cable Types and Baud Rates......................................1-14

1-2-3 Allocating I/O Ports and CPU Unit Memory Area to Slave Units According to

Communications Mode Numbers..............................................................................................1-15

1-3 Devices in a CompoNet Network..........................................................................................1-16

1-3-1 Master Unit................................................................................................................................1-16

1-3-2 Peripheral Devices....................................................................................................................1-16

1-3-3 Selecting Peripheral Devices Used According to Connection Configuration ............................1-20

1-4 Overview of Design Flow......................................................................................................1-22

11

CJ-series CompoNet Master Unit Operation Manual for NJ-series CPU Unit (Cat. No. W493)

CONTENTS

1-5 Overview of Operating Procedure........................................................................................ 1-23

1-6 Design and Operating Procedure Examples....................................................................... 1-25

1-6-1 Design....................................................................................................................................... 1-25

1-6-2 Operating Procedure ................................................................................................................ 1-32

Section 2 CompoNet Master Unit

2-1 CompoNet Master Unit Specifications .................................................................................. 2-2

2-1-1 Specifications.............................................................................................................................. 2-2

2-1-2 Component Names and Functions............................................................................................. 2-3

2-1-3 Display Section........................................................................................................................... 2-4

2-1-4 Switch Settings........................................................................................................................... 2-7

2-1-5 Terminal Arrangement.............................................................................................................. 2-10

2-1-6 Dimensions............................................................................................................................... 2-10

Section 3 Wiring Configurations

3-1 Wiring Formations................................................................................................................... 3-2

3-2 CompoNet Network Wiring ..................................................................................................... 3-4

3-2-1 Round Cable I............................................................................................................................. 3-4

3-2-2 Round Cable II............................................................................................................................ 3-6

3-2-3 Flat Cable I or Flat Cable II......................................................................................................... 3-7

3-2-4 Cable Types................................................................................................................................ 3-8

3-2-5 Connection Methods................................................................................................................. 3-12

3-2-6 Node Connection Methods....................................................................................................... 3-13

3-2-7 Branching a Communications Cable ........................................................................................ 3-14

3-2-8 Extending the Cable Length ..................................................................................................... 3-16

3-2-9 Connection Locations for Terminating Resistors ...................................................................... 3-17

3-2-10 Connection Locations for Communications Power Supply....................................................... 3-19

Section 4 Installation and Wiring

4-1 Installation................................................................................................................................ 4-2

4-1-1 Tools Required for Installation and Wiring.................................................................................. 4-2

4-1-2 Installation Locations According to Degree of Protection........................................................... 4-2

4-1-3 Installing the Master Unit............................................................................................................ 4-3

4-2 Connecting Cables.................................................................................................................. 4-5

4-2-1 Overview..................................................................................................................................... 4-5

4-2-2 Connecting to Units .................................................................................................................... 4-7

4-2-3 Branching a Communications Cable ........................................................................................ 4-10

4-2-4 Extending a Communications Cable......................................................................................... 4-13

4-2-5 Connecting Terminating Resistors............................................................................................ 4-14

4-3 Preparing and Mounting Flat Connectors........................................................................... 4-16

4-3-1 Round Cable II.......................................................................................................................... 4-17

4-3-2 Flat Cable I ............................................................................................................................... 4-20

4-3-3 Flat Cable II .............................................................................................................................. 4-25

4-4 Power Supply Wiring............................................................................................................. 4-30

4-4-1 Connecting the Communications Power Supply....................................................................... 4-32

4-4-2 Connecting the Communications Power Supply....................................................................... 4-33

4-4-3 Current Consumption of a Slave Unit or a Repeater Unit......................................................... 4-34

4-4-4 Communications Power Supply Wiring Example...................................................................... 4-34

4-4-5 Precaution in Supplying Power to Slave Units.......................................................................... 4-41

4-4-6 Precautions on Locating the I/O Power Supply ........................................................................ 4-43

4-4-7 Other Precautions..................................................................................................................... 4-44

12 CJ-series CompoNet Master Unit Operation Manual for NJ-series CPU Unit (Cat. No. W493)

CONTENTS

Section 5 Remote I/O Communications

5-1 Exchanging Data with the CPU Unit ......................................................................................5-2

5-1-1 Exchanging Data between the CPU Unit and the CompoNet Master Unit..................................5-2

5-1-2 Access Methods from User Program..........................................................................................5-5

5-1-3 I/O Ports for the CompoNet Master Unit.....................................................................................5-7

5-2 Network Status.......................................................................................................................5-13

5-2-1 Conditions for Starting and Stopping Remote I/O Communications.........................................5-13

5-2-2 Communications Errors.............................................................................................................5-13

5-2-3 Confirming Normal Slave Unit Operation..................................................................................5-14

5-3 Device Variables for the CJ-series Unit............................................................................... 5-20

5-3-1 Assigning Device Variables for the CJ-series Unit ....................................................................5-20

5-3-2 I/O Data.....................................................................................................................................5-21

5-3-3 Connect Flags and Communication Error Flags.......................................................................5-22

5-3-4 Status Information: Status (All Communications Modes)..........................................................5-30

5-3-5 Status Information: Setting (All Communications Modes).........................................................5-33

5-4 Slave Unit Allocations........................................................................................................... 5-34

5-4-1 Overview...................................................................................................................................5-34

5-4-2 Types of CompoNet Network Node Addresses.........................................................................5-35

5-4-3 I/O Port Allocations for Each Communications Mode Numbers................................................5-36

5-4-4 Details on Allocation of I/O Ports to Slave Unit I/O Data...........................................................5-42

5-4-5 Slave Unit Allocations for Communications Mode Number 8....................................................5-49

5-5 Remote I/O Communications Performance.........................................................................5-52

5-5-1 I/O Response Time...................................................................................................................5-52

Section 6 Message Communications

6-1 Message Communications ..................................................................................................... 6-2

6-1-1 Overview of Message Communications......................................................................................6-2

6-1-2 Explicit Message Communications .............................................................................................6-2

6-1-3 Message Communications Specifications...................................................................................6-2

6-1-4 Message Monitoring Timer .........................................................................................................6-3

6-2 Sending Explicit Messages ....................................................................................................6-4

6-2-1 Sending Explicit Messages.........................................................................................................6-4

6-2-2 Sending Explicit Messages Using SendCmd Instruction ..........................................................6-10

Section 7 Troubleshooting

7-1 Handling Errors........................................................................................................................7-2

7-1-1 CompoNet Master Unit Errors.....................................................................................................7-2

7-1-2 Troubleshooting Sequence When an Error Occurs.....................................................................7-2

7-2 Error History Function ............................................................................................................7-7

7-3 Event Logs .............................................................................................................................7-10

7-3-1 Overview of the Event Logs......................................................................................................7-10

7-3-2 Error Table.................................................................................................................................7-11

7-3-3 Error Descriptions .....................................................................................................................7-13

Appendices

A-1 Differences in Available Functions Depending on the CPU Unit (NJ or CJ Series) ..........A-2

A-1-1 Functional Differences ................................................................................................................A-2

A-1-2 Differences in Accessing Data from User Program.....................................................................A-2

A-2 Recommended CompoNet Cables.......................................................................................A-26

A-2-1 Recommended CompoNet Cables ...........................................................................................A-26

13

CJ-series CompoNet Master Unit Operation Manual for NJ-series CPU Unit (Cat. No. W493)

CONTENTS

Index

14 CJ-series CompoNet Master Unit Operation Manual for NJ-series CPU Unit (Cat. No. W493)

CONTENTS

15

Read and Understand this Manual

CJ-series CompoNet Master Unit Operation Manual for NJ-series CPU Unit (Cat. No. W493)

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.

Read and Understand this Manual

16 CJ-series CompoNet Master Unit Operation Manual for NJ-series CPU Unit (Cat. No. W493)

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.

17

Read and Understand this Manual

CJ-series CompoNet Master Unit Operation Manual for NJ-series CPU Unit (Cat. No. W493)

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.

Read and Understand this Manual

18 CJ-series CompoNet Master Unit Operation Manual for NJ-series CPU Unit (Cat. No. W493)

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