Omron WIRED REMOTE I-O - SYSTEM Guida utente

Cat. No. W120-E1-08

Wired Remote I/O

SYSMAC

C-series Rack PCs

Wired Remote I/O

System Manual

Revised April 2003

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.

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

serious injury.

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 “PC” means Programmable Controller and is not used as an abbreviation for any-

thing else.

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 operation

of the product.

1, 2, 3... 1. Indicates lists of one sort or another, such as procedures, checklists, etc.

OMRON, 1989

form, or by any means, mechanical, electronic, photocopying, recording, or otherwise, without the prior written permis-

sion 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 informa-

tion contained in this publication.

TABLE OF CONTENTS

vii

PRECAUTIONS xi. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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

2 General Precautions xii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3 Safety Precautions xii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4 Operating Environment Precautions xiii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5 Application Precautions xiii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6 EC Directives xv. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION 1

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

1-1 Remote I/O Systems 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-2 Wired Remote I/O Systems 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION 2

System Design 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2-1 Basic System 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2-2 C200H Systems 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2-3 Combined Systems 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2-4 Optical Connections in Wired Systems 17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2-5 Multilevel Systems 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION 3

Data Exchange and Operations 21. . . . . . . . . . . . . . . . . . . .

3-1 Block Diagrams 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-2 Unit Numbers and I/O Word Allocation 25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-3 Setting Procedure 39. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-4 Delayed Activation of Slaves 41. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION 4

Unit Components and Switch Settings 45. . . . . . . . . . . . . . .

4-1 Masters and Slaves 46. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-2 Remote Terminal 53. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION 5

System Installation 55. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5-1 Dimensions 56. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5-2 Differentiating Units 60. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5-3 I/O Block Connections 61. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5-4 Mounting and Wiring Precautions 62. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5-5 Wiring 64.................................................................

SECTION 6

I/O Response Times 69. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6-1 Introduction 70. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6-2 C500 Systems 70. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6-3 C1000H and C2000H Systems 71. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6-4 C200H Systems 72. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

TABLE OF CONTENTS

viii

SECTION 7

Error Processing 75. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7-1 Self-Diagnosis 76. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7-2 Error Codes and Monitoring 81. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7-3 Locating Transmission Errors 91. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7-4 CONTINUE and STOP Mode Operation 92. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7-5 Recovery in STOP Mode 95. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7-6 I/O Table Creation Problems 95. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7-7 Slave Unit Numbers with Multiple Terminators 95. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Appendices

A Standard Models 101. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

B Specifications 103. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C When Using CS1-series PCs 107. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Glossary 111. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Index 117. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Revision History 121. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

About this Manual:

This manual describes the means and Units necessary to construct a Wired Remote I/O System con-

sisting of at least one Remote I/O Master Unit and one or more Remote I/O Slave Units or Remote

Terminals. (The term “Wired” refers to the links used to create the Remote I/O System, e.g., that be-

tween a Remote I/O Master Unit and a Remote I/O Slave Unit.) Remote I/O Systems reduce wiring

requirements for remote control from a PC by performing distributed control actions through execution

of a program in the memory of a single PC’s CPU. The 3G2A5-RM201 Remote I/O Master Unit can

be used with any C-series Rack PC except the C200H PC. The C200H-RM201 Remote I/O Master

Unit is used with a C200H PC. Remote I/O Slave Units, though generally used with the corresponding

Remote I/O Master Unit, can be used in “combined” system configurations.

This manual has been prepared to explain how to incorporate Wired Remote I/O Systems into C120,

C500, C200H, C1000H, and C2000H PC Systems. It provides the necessary information, such as

system configuration, settings, and I/O word allocation, for connecting Remote I/O Master Units, Re-

mote I/O Slave Units, and I/O Units.

Before attempting to set up and operate your Remote I/O System, familiarize yourself with all relevant

parts of this manual. For more detailed descriptions of manual content, refer to the introductions for

individual sections.

Section 1 introduces Wired I/O Systems and describes their characteristics.

Section 2 describes some of the many possible system configurations and the limitations of each

type of system.

Section 3 provides names and descriptions of basic functions, internal circuits, and methods for dif-

ferentiating differentiating unit types. Settings required to operate the system and successfully com-

municate program actions are explained, and example system settings are provided.

Section 4 provides details on Wired Remote I/O Systems, and the main Units used to build these

Systems, included within these are mounting restrictions and wiring considerations of the systems.

Parts of the Units, switch setting, and examples of switch settings are provided.

Section 5 explains how to install Wired I/O Systems and includes information on dimensions, differ-

ences between Units, and wiring.

Section 6 offers details on response time computations.

Section 7 describes error indications and error processing. Both indicator lights and dedicated error-

related flags are provided.

Appendix A provides a list of the basic specifications and complete model numbers of products used

in Wired I/O Systems.

Appendix B provides technical specifications.

Appendix C provides information on using CS1-series PCs.

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 information provided in the section

and related sections before attempting any of the procedures or operations given.

PRECAUTIONS

This section provides general precautions for using the Wired Remote I/O System and related devices.

The information contained in this section is important for the safe and reliable application of the Wired Remote I/O

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

the Wired Remote I/O System.

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

2 General Precautions xii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3 Safety Precautions xii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4 Operating Environment Precautions xiii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5 Application Precautions xiii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6 EC Directives xv. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5Safety Precautions

xii

1 Intended Audience

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

edge 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 specifications

described in the relevant 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, amusement ma-

chines, safety equipment, and other systems, machines, and equipment 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 the System.

Be sure to read this manual before attempting to use the System and keep this

manual close at hand for reference during operation.

WARNING It is extremely important that the Wired Remote I/O System be used for the

specified 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 the Wired Remote I/O System to the

above-mentioned applications.

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.

Caution Tighten the screws on the terminal block of the AC Power Supply Unit to the

torque specified in the operation manual. The loose screws may result in burning

or malfunction.

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.

WARNING Do not attempt to disassemble, repair, or modify any Units. Any attempt to do so

may result in malfunction, fire, or electric shock.

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

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

if an abnormality occurs due to malfunction of the PC or another external factor

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

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