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Omron CJ1W- ECT21 User Manual

Omron CJ1W- ECT21
154 pages
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Cat. No. W541-E1-02
OPERATION MANUAL
SYSMAC CJ Series
CJ1W-ECT21
EtherCAT® Slave Unit

Table of Contents

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Omron CJ1W- ECT21 Specifications

General IconGeneral
BrandOmron
ModelCJ1W- ECT21
CategoryComputer Hardware
LanguageEnglish

Summary

Introduction

Intended Audience

Specifies the target personnel for this manual, requiring electrical system knowledge.

Applicable Products

Lists the specific products covered by this operation manual.

Manual Structure

Page Structure and Icons

Explains the layout of pages and the meaning of icons used in the manual.

Special Information

Details the classification and purpose of special information provided.

Precautions on Terminology

Clarifies key terms and their usage within the manual.

Terms and Conditions Agreement

Warranty, Limitations of Liability

Outlines the product warranty terms and limitations of Omron's liability.

Application Considerations

Addresses product suitability and buyer responsibilities for specific applications.

Disclaimers

States limitations regarding data accuracy, changes, and errors.

Safety Precautions

Definition of Precautionary Information

Explains the notation used for safety warnings and cautions.

Warnings

Highlights hazardous situations that could result in severe injury or damage.

Symbols

Illustrates and explains the meaning of various safety symbols.

Cautions

Alerts users to potential minor injuries or property damage.

Precautions for Safe Use

Disassembly and Dropping

Advises against disassembling, repairing, or dropping the unit.

Mounting

Provides instructions and precautions for securely mounting the unit.

Transporting

Gives guidelines for protecting the unit from vibration or impact during transport.

Installation

Covers general installation requirements, including grounding and wiring.

Wiring

Details correct procedures and precautions for electrical wiring.

Power Supply Design

Discusses considerations for power supply capacity and surge current.

Turning ON the Power Supply

Outlines the correct sequence and precautions for powering up the PLC.

Actual Operation

Emphasizes pre-operation checks for user programs and settings.

Turning OFF the Power Supply

Details precautions for powering down the PLC and its units.

Operation

Covers operational considerations for changing modes or settings.

EtherCAT Communications

Provides guidelines for EtherCAT network setup and potential issues.

Unit Replacement

Details precautions and steps for replacing faulty units.

Disposal

Gives guidance on proper disposal of the product according to ordinances.

Precautions for Correct Use

Storage, Mounting, and Wiring

Details correct practices for storing, mounting, and wiring the unit.

EtherCAT Communications

Warns against disconnecting EtherCAT cables during operation.

Operating Environment

Highlights the impact of environmental conditions on system longevity.

Regulations and Standards

Conformance to EC Directives

Details compliance with European Union directives and EMC standards.

Conformance to UL and CSA Standards

Outlines compliance with North American safety standards.

Conformance to Shipbuilding Standards

Specifies compliance with maritime industry standards.

Conformance to KC Standards

Details compliance with Korean safety standards.

Unit Versions

Notation of Unit Versions on Products

Describes how to find the unit version on the product nameplate.

Confirming Unit Versions with Support Software

Details methods to check unit versions using support software.

Unit Versions and CX-Programmer Versions

Explains compatibility between unit versions and CX-Programmer versions.

Related Manuals

Terminology

Revision History

Sections in this Manual

Section 1 Features and System Configuration

1-1 Introduction to EtherCAT

Explains EtherCAT technology, its high performance, and communication mechanisms.

1-2 EtherCAT Slave Unit Features

Highlights key features of the EtherCAT Slave Unit, including data exchange.

1-3 System Configuration of CJ-series EtherCAT Slave Unit

Illustrates a typical system configuration with components and their roles.

1-4 Specifications

Lists the general, functional, and performance specifications of the unit.

1-5 Setting Procedures

Outlines the basic hardware and software setting procedures for the unit.

Section 2 Nomenclature and Installation

2-1 Nomenclature

Identifies and describes the unit's front panel components and indicators.

2-2 Installing the EtherCAT Slave Unit

Provides instructions for mounting the unit to a CJ-series PLC system.

2-3 EtherCAT Network Wiring

Details installation standards and precautions for EtherCAT network wiring.

Section 3 Memory Allocations

3-1 Overview of the Memory Allocated to the EtherCAT Slave Unit

Describes the CIO and DM area words allocated to the unit.

3-2 CIO Area Allocations

Details the CIO area word allocations for unit status and control.

3-3 DM Area Allocations

Explains the DM area allocations for I/O communication settings.

3-4 I/O Communication Area Settings

Covers configuring I/O areas using the CX-Programmer Edit Parameters Dialog Box.

Section 4 EtherCAT Communications

4-1 Structure of CAN Application Protocol over EtherCAT (CoE)

Explains the structure of the CoE protocol for EtherCAT.

4-2 EtherCAT Slave Information Files (ESI Files)

Details the role of ESI files in EtherCAT network configuration.

4-3 Transitions of Communications States

Describes the EtherCAT Slave Unit's communication state transitions.

4-4 Process Data Objects (PDOs)

Explains Process Data Objects (PDOs) for cyclic data transfer.

4-5 Service Data Objects (SDOs)

Details Service Data Objects (SDOs) for message-based communication.

4-6 Communications Performance

Covers I/O response time and SDO message response time calculations.

Section 5 Troubleshooting

5-1 Error Notification and Checking Methods

Explains how errors are notified and provides methods for checking them.

5-2 Troubleshooting with Indicators

Guides users on diagnosing errors using the unit's indicators.

5-3 Error Log Function

Details how to access and interpret the unit's error log.

5-4 Troubleshooting with Emergency Messages

Explains the reporting of emergency messages for detected errors.

5-5 Troubleshooting with AL Status

Covers troubleshooting procedures based on AL status codes.

Section 6 Maintenance and Replacement

6-1 Cleaning and Inspection

Outlines routine cleaning and inspection procedures for regular maintenance.

6-2 Replacing Faulty Units

Details the precautions and steps for replacing a faulty EtherCAT Slave Unit.

Appendices

A-1 Example of Operations for EtherCAT Slave Unit Communications

Shows a practical example of setting up EtherCAT Slave Unit communications.

A-2 Programming Example To Detect Valid I/O Process Data

Demonstrates a programming example to verify I/O process data validity.

A-3 Process Data Exchange in PROGRAM Mode

Explains process data exchange behavior when the unit enters PROGRAM mode.

A-4 CoE Objects

Lists and describes the CoE objects implemented by the EtherCAT Slave Unit.

A-5 Creating I/O Tables

Guides on creating I/O tables using CX-Programmer or Programming Console.

A-6 FINS Commands

Details FINS commands supported by the EtherCAT Slave Unit.

A-7 Version Information

Shows compatibility between unit versions and CX-Programmer versions.

Index

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