Omron E3X-DRT21-S User manual

Communication Unit

For Digital Type Sensor

E3X-DRT21-S (DeviceNet)

User's Manual

Cat. No. Z223-E1-03

Introduction

This manual provides information regarding functions, performance and operating

methods that are required for using Communication Unit for Digital Type Sensor

E3X-DRT21-S (DeviceNet).

This communication unit is a communication unit to be used for Digital Type Sensor

E3X-DA-S Series, E3X-MDA Series, Digital Separate Amplifier Laser Sensor E3C-LDA

Series, and Digital Separate Amplifier Proximity Sensor E2C-EDA Series, which had

been developed with Omron's advanced technologies and successful experience.

Personnel in charge of installing FA systems.

Personnel in charge of designing FA systems.

Personnel in charge of managing FA systems and facilities.

Note that this product must be used in the range of the general specifications.

Intended Audience

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

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

Copyrights and Trademarks

DeviceNet is a registered trademark of the ODVA (Open DeviceNet Vendor Association).

Other product names and company names used in this manual are the trademarks or registered

trademarks of the respective companies. The copyright to the Communication Unit for Digital Type

Sensor belongs to OMRON Corporation.

Version Upgrades

The software version will be upgraded as required. Versions are indicated in the model number as

follows: E3X-DRT21-S Ver.@.

ÇÕÇ¹Ç?Ç ëÊ 1èÕ ëÊ 2èÕ ëÊ 3èÕ ëÊ 4èÕ

Introduction

Section 1 Section 2 Section 3 Section 4

Introduction

Section 1

Section 2

Section 3

Section 4

Application Considerations (Please Read)

Overview

Installation and Connection

DeviceNet Communication Settings

APPENDIX

User's Manual

Communication Unit

for Digital Type Sensor

E3X-DRT21-S (DeviceNet)

Introduction

E3X-DRT21-S

User’s Manual

Introduction

READ AND UNDERSTAND THIS DOCUMENT

Please read and understand this document before using the products. Please consult your

OMRON representative if you have any questions or comments.

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 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.

E3X-DRT21-S

User’s Manual

Introduction

SUITABILITY FOR USE

THE PRODUCTS CONTAINED IN THIS DOCUMENT ARE NOT SAFETY RATED. THEY ARE NOT

DESIGNED OR RATED FOR ENSURING SAFETY OF PERSONS, AND SHOULD NOT BE RELIED

UPON AS A SAFETY COMPONENT OR PROTECTIVE DEVICE FOR SUCH PURPOSES.

Please refer to separate catalogs for OMRON’s safety rated products.

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 product.

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 document.

• 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 PRODUCT IS PROPERLY

RATED AND INSTALLED FOR THE INTENDED USE WITHIN THE OVERALL EQUIPMENT

OR SYSTEM.

PERFORMANCE DATA

Performance data given in this document 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.

Introduction

E3X-DRT21-S

User’s Manual

Introduction

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 product

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.

ERRORS AND OMISSIONS

The information in this document has been carefully checked and is believed to be accurate;

however, no responsibility is assumed for clerical, typographical, or proofreading errors, or

omissions.

PROGRAMMABLE PRODUCTS

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

any consequence thereof.

This document shall not be copied for sales or promotions without permission.

This document is protected by copyright and is intended solely for use in conjunction with the

product. Please notify us before copying or reproducing this document in any manner, for any

other purpose. If copying or transmitting this document to another, please copy or transmit it in

its entirety.

E3X-DRT21-S

User’s Manual

Introduction

Meanings of Signal Words

The following signal words are used in this manual.

The following alert statements apply to the products in this manual. Each alert statement also

appears at the locations needed in this manual to attract your attention.

Meanings of Signal Words

Indicates a potentially hazardous situation which, if not avoided, will

result in minor or moderate injury, or may result in serious injury or

death. Additionally there may be significant property damage.

Alert statements in this Manual

Configure the safety circuits, such as emergency stop circuits, interlock circuits, and limit

circuits, with external control circuits in order to remain the safety of the entire system when

a failure due to a product failure or an external factor occurs. If not, the failure may cause a

serious incident.

Introduction

E3X-DRT21-S

User’s Manual

Introduction

Precautions for Safe Use

Please observe the following precautions for safe use of E3X-DRT21-S.

• Do not use the product in environments where it can be exposed to inflammable/

explosive gas.

• Do not use the product where to be exposed to water, oil, chemical fumes or steam.

• Do not disassemble, repair or modify this product.

• Do not wire the product when the power is ON.

• Do not drop, or subject to excessive shock or vibration. It may cause a failure or

abnormal operation.

• Use the specified communications cables.

• Wire communications within the specified distance.

• Do not wire the communications cables near or in parallel with high-voltage or high-

current lines.

• Do not bend cables past their natural bending radius or pull on cables.

• Check all wiring carefully and completely before supplying power.

• Confirm that the correct polarity has been used in wiring the terminals and that the

communications and power lines have been otherwise wired correctly. Incorrect wir-

ing may result in failure.

• Do not connect or disconnect connectors while the power supply is turned ON. Doing

so may result in failure or malfunction.

• Use the specified power supply voltage.

• Do not turn ON or OFF the power supply to the Mobile Console during communica-

tions. Doing so may result in communications errors.

• Make sure that screws for the communication connector are tightened firmly. (0.5 N·m

to 0.6N·m)

• Do not use this product if the case is damaged.

• Dispose this product as industrial waste.

Precautions for Safe Use

E3X-DRT21-S

User’s Manual

Introduction

Precautions for Correct Use

Please install this product correctly according to this manual.

• Do not install the product in locations subjected to the following conditions:

- Direct sunlight

- Ambient temperature and humidity outside the rating

- Rapid temperature transition and condensation

- Excessive dust, saline air or metal powder

- Direct vibration or shock

• Use appropriate shielding when using this product in the following places.

- Presence of noise such as static electric

- Strong magnetic or electric field

- Subject to possible expose to radiation

- Near power supply lines

• Do not clean with organic solvents, such as paint thinner. Organic solvents will dis-

solve and discolor the surface of the product.

• Take measures to stabilize the power supply to conform to the rated supply (the volt-

age, frequency, etc.) if it is not stable.

Precautions for Correct Use

Introduction

E3X-DRT21-S

User’s Manual

Introduction

Editor’s Note

Page Format

Section 4

APPENDIX

E3X-DRT21-S

User's Manual

Section 4

DeviceNet Connection Settings

DeviceNet Connect ion Sett ings

DeviceNet Connection Settings

Setting Connections without using Configurator

Connection

Poll

Bit-Strobe

COS

(Change of

state)

Cyclic

Used for basic I/O.

Description

DeviceNet supports different protocols for remote I/O communications between master

and slave devices. Connection is a unit used to manage those protocols. The

connections can be set using the configurator.

The DeviceNet remote I/O communications protocol supports four types of

connections: Poll, Bit-Strobe, COS (Change of state), and Cyclic.

The features of these connections are listed in the following table. The Sensor

communication unit supports all the protocols.

Used for input of 8 bytes or less.

Sends broadcasting requests from master

and receives input from slaves.

Communications timing is determined by regular cycles

(heartbeat timer).

The communication unit will send data at a regular cycle.

This connection can be used to send data to the master

from the

communication unit only when the data changes.

Transmission timing is determined by a heartbeat timer.

Data can be sent only when required, thereby reducing

the communications load on the network.

COS and Cyclic

connections

cannot be used

at the same time.

Poll and Bit-Strobe

connections

cannot be used

at the same time.

To use COS and Cyclic connections, the DeviceNet master must support those functions.

Confirm that the master supports COS and Cyclic connections before using them.

OMRON products, such as the CS1W-DRM21 and CJ1W-DRM21, support COS and Cyclic

The connections used for all the IN data of the Sensor communication unit are as

follows:

Data of 8 bytes or less : Bit-Strobe

Data of more than 8 bytes : Poll

Header

Overview of the header

Cross-header

Title of each section

Index label

Supplementary Explanation

Helpful information regarding operation and refer-

ence pages introduced here using symbols.

* This page does not exist.

Overview of cross-header

Explanation of options

Indicates the section num-

ber and title.

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