Omron E5 D Series Mode d’emploi

Programmable Controller CJ-series

General-purpose Serial

Connection Guide

(RS-485 CompoWay/F)

OMRON Corporation

Digital Temperature Controller

(E5□D/E5□C/E5□C-T)

P704-E1-01

About Intellectual Property Rights and Trademarks

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Table of Contents

1. Related Manuals........................................................................................ 1

2. Terms and Definitions............................................................................... 2

3. Precautions................................................................................................ 3

4. Overview .................................................................................................... 4

5. Applicable Devices and Device Configuration ....................................... 5

5.1. Applicable Devices............................................................................. 5

5.2. Device Configuration.......................................................................... 7

6. Serial Communications Settings ............................................................. 9

6.1. Parameters ........................................................................................ 9

6.2. Cable Wiring .................................................................................... 10

7. Serial Communications Connection Procedure ....................................11

7.1. Work Flow.........................................................................................11

7.2. Digital Temperature Controller Setup............................................... 13

7.3. PLC Setup........................................................................................ 17

7.4. Serial Communication Status Check................................................ 38

8. Initialization Method................................................................................ 44

8.1. Initializing a PLC .............................................................................. 44

8.2. Initializing a Digital Temperature Controller...................................... 45

9. Program.................................................................................................... 46

9.1. Overview.......................................................................................... 46

9.2. Communications Sequence............................................................. 51

9.3. Error Detection Processing.............................................................. 52

9.4. Memory Maps .................................................................................. 53

9.5. Ladder Program............................................................................... 56

9.6. Protocol Data ................................................................................... 62

9.7. Timing Charts................................................................................... 73

9.8. Error Processing .............................................................................. 74

10. Revision History .................................................................................. 77

．

Related Manuals

1. Related Manuals

To ensure system safety, make sure to always read and follow the information provided in all

Safety Precautions and Precautions for Safe Use in the manuals for each device which is

used in the system.

The table below lists the manuals pertaining to this guide.

Cat. No. Model Manual name

W472 CJ2M-CPU□□

CJ2H-CPU6□

CJ2H-CPU6□-EIP

CJ Series

CJ2 CPU Unit

Hardware USER'S MANUAL

W473 CJ2M-CPU□□

CJ2H-CPU6□

CJ2H-CPU6□-EIP

CJ Series

CJ2 CPU Unit

Software USER'S MANUAL

W336 CJ1W-SCU□1-V1

CJ1W-SCU□2 CJ Series

Serial Communications Units

OPERATION MANUAL

W474 CJ2□-CPU□□ CJ Series

Programmable Controllers

INSTRUCTIONS REFERENCE MANUAL

W446 CXONE-AL□□C-V4

/ AL□□D-V4

CX-Programmer

OPERATION MANUAL

W344 CXONE-AL□□C-V4

/ AL□□D-V4 CX-Protocol

OPERATION MANUAL

H225 E5□D Digital Temperature Controllers

Communications Manual

H224

E5□D

Digital Temperature Controllers User’s Manual

H175 E5□C Digital Temperature Controllers

Communications Manual

H174 E5□C Digital Temperature Controllers User’s Manual

H186 E5□C-T Digital Temperature Controllers

Programmable Type

Communications Manual

H185 E5□C-T Digital Temperature Controllers

Programmable Type User’s Manual

．

Terms and Definitions

2. Terms and Definitions

Term Explanation and Definition

protocol macro A data transfer procedure (protocol) with a general-purpose external

device is created and stored in a Serial Communications Board or a Serial

Communications Unit. This functional protocol enables data to be

exchanged with general-purpose external devices by executing the

protocol macro instruction (hereinafter referred to as "PMCR instruction")

in a CPU Unit.

protocol A set of rules governing the data transfer procedures that gather

independent communication processing with a specific general-purpose

device. A protocol consists of more than one sequence.

sequence A unit of action to perform the independent communication processing that

can be started by executing the PMCR instruction in a program.

A sequence that is started by the instruction executes steps registered in

its own sequence.

step A unit to execute any one of the followings: message send processing,

message receive processing, message send/receive processing, receive

buffer clear, or step wait. Up to 15 steps can be set for per sequence.

send message A communications frame (command) sent to a general-purpose external

device. A send message is invoked by steps in a sequence and is sent to a

general-purpose external device.

receive message A communications frame (response) sent from a general-purpose external

device. A receive message is invoked by steps in the sequence and is

compared with data received from general-purpose external devices.

matrix A function to register and use some communications frames (responses)

when more than one communications frame is expected to be received

from a general-purpose external device.

The receive processing can be executed according to registered

communications frames by using this function.

case A unit to register multiple communications frames (response) to a matrix.

One communications frame is registered as one case.

Up to 15 types of cases can be registered per matrix.

．

Precautions

3. Precautions

(1) Understand the specifications of devices which are used in the system. Allow some

margin for ratings and performance. Provide safety measures, such as installing a safety

circuit, in order to ensure safety and minimize the risk of abnormal occurrence.

(2) To ensure system safety, make sure to always read and follow the information provided in

all Safety Precautions and Precautions for Safe Use in the manuals for each device

which is used in the system.

(3) The user is encouraged to confirm the standards and regulations that the system must

conform to.

(4) It is prohibited to copy, to reproduce, and to distribute a part or the whole of this guide

without the permission of OMRON Corporation.

(5) The information contained in this guide is current as of March 2018. It is subject to

change for improvement without notice.

The following notations are used in this guide.

Indicates a potentially hazardous situation which, if not avoided,

may result in minor or moderate injury or property damage.

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.

Symbol

The triangle symbol indicates precautions (including warnings).

The specific operation is shown in the triangle and explained in the text.

This example indicates a general precaution.

The filled circle symbol indicates operations that you must do.

The specific operation is shown in the circle and explained in the text.

This example shows a general precaution for something that you must do.

．

Overview

4. Overview

This guide describes procedures for connecting a Digital Temperature Controller (E5□D,

E5□C or E5□C-T) to a CJ-series Programmable Controller + Serial Communications Unit

(hereinafter referred to as the "PLC") via serial communications, both produced by OMRON

Corporation (hereinafter referred to as "OMRON"), and for checking their communication

status.

Refer to Section 6. Serial Communications Settings and Section 7. Serial Communications

Connection Procedure to understand setting methods and key points to send or receive a

message via serial communications.

The ladder program in the prepared CX-Programmer project file is used to check the serial

connection by sending or receiving a message of ''Properties Read'' to/from the Digital

Temperature Controller.

■The send/receive messages of "Properties Read''

PLC

Serial communications

(RS-485)

Digital Temperature

Controller

Sending command data Executing the command

Receiving response data

and storing in memory Returning response data

Prepare the CX-Programmer project file and the CX-Protocol project file with latest versions

beforehand. To obtain the project files, contact your OMRON representative.

Name File name Version

CX-Programmer project file

(extension: cxp) P704_CJ_CWF485_OMRON_E5CD_V100.cxp Ver.1.00

CX-Protocol project file

(extension: psw) P704_CJ_CWF_OMRON_E5CDV100.psw Ver.1.00

This guide aims to explain wiring methods and communications settings

necessary to connect corresponding devices and provides the setting

procedures. The program used in this guide is not designed to be constantly

used at a site but is designed to check if the connection is properly established.

Both functionalities and performances are therefore not fully considered for the

program.

When you actually construct a system, please use the wiring methods,

communications settings and setting procedures described in this guide as a

reference, and design a program according to your application needs.

Command data

Response data

．

Applicable Devices and Device Configuration

5. Applicable Devices and Device Configuration

5.1. Applicable Devices

The applicable devices are as follows:

Manufacturer Name Model

OMRON

CJ2 CPU Unit

CJ2□-CPU□□

OMRON Serial Communications Unit CJ1W-SCU□1-V1

CJ1W-SCU□2

OMRON Digital Temperature Controller

E5CD-□□2□□M-002

E5CD-□□2□□M-004

E5ED-□□4□□M-004

E5ED-□□4□□M-008

E5ED-□□4□□M-022

E5CC-□□□□□M-002

E5CC-□□□□□M-003

E5CC-□□□□□M-004

E5AC-□□□□SM-004

E5AC-□□□□SM-008

E5AC-□□□□SM-009

E5AC-□□□□SM-012

E5AC-□□□□SM-014

E5EC-□□□□□M-004

E5EC-□□□□□M-008

E5EC-□□□□□M-009

E5EC-□□□□□M-012

E5EC-□□□□□M-014

E5DC-□□□□□M-002

E5DC-□□□□□M-015

E5GC-□□□□□M-015

E5CC-T□□3□SM-002

E5CC-T□□3□SM-003

E5CC-T□□3□SM-004

E5AC-T□□4□SM-004

E5AC-T□□4□SM-008

E5AC-T□□4□SM-020

E5AC-T□□4□SM-022

E5EC-T□□4□SM-004

E5EC-T□□4□SM-008

E5EC-T□□4□SM-020

E5EC-T□□4□SM-022

．

Applicable Devices and Device Configuration

Precautions for Correct Use

In this guide, the devices with models and versions listed in 5.2. Device Configuration are

used as examples of applicable devices to describe the procedures for connecting the

devices and checking their connection.

You cannot use devices with versions lower than the versions listed in 5.2.

To use the above devices with models not listed in 5.2. or versions higher than those listed in

5.2., check the differences in the specifications by referring to the manuals before operating

the devices.

Additional Information

This guide describes the procedures for establishing the network connection.

It does not provide information on operation, installation, wiring method, device functionality,

or device operation, which is not related to the connection procedures.

Refer to the manuals or contact your OMRON representative.

．

Applicable Devices and Device Configuration

5.2. Device Configuration

The hardware components to reproduce the connection procedures in this guide are as

follows:

Manufacturer Name Model Version

OMRON

Serial Communications Unit

CJ1W-SCU42

Ver.2.0

OMRON

CJ2 CPU Unit

CJ2M-CPU12

Ver.2.0

OMRON

Power Supply Unit

CJ1W-PA202

OMRON

CX-One

CXONE-AL□□C-V4

/AL□□D-V4

Ver.4.□□

OMRON

CX-Programmer

(Included in CX-One)

Ver.9.65

OMRON

CX-Protocol

(Included in CX-One)

Ver.1.992

OMRON

CX-Programmer project file

P704_CJ_CWF485_

OMRON_E5CD_V100.cxp

Ver.1.00

OMRON

CX-Protocol project file

P704_CJ_CWF_OMRON_

E5CD_V100.psw

Ver.1.00

Personal computer (OS: Windows 7)

USB cable

(USB 2.0 type B connector)

Serial cable (RS-485)

OMRON

Digital Temperature Controller

E5CD-RX2A6M-002

Precautions for Correct Use

Prepare the CX-Programmer project file and the CX-Protocol project file with latest versions

beforehand. To obtain the project files, contact your OMRON representative.

Precautions for Correct Use

Update CX-Programmer and CX-Protocol to the versions specified in this Clause 5.2. or to

higher versions. If you use a version higher than the one specified, the procedures and

related screenshots described in Section 7. and the subsequent sections may not be

applicable. In that case, use the equivalent procedures described in this guide by referring to

the CX-Programmer OPERATION MANUAL (Cat. No. W446) and the CX-Protocol

OPERATION MANUAL (Cat. No. W344).

CJ2M-CPU12

＋

CJ1W-SCU42

Personal computer

(CX-One installed,

OS: Windows 7)

USB cable

Serial cable (RS-485)

E5CD-RX2A6M-002

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