Omron CS1W-FLN22 User manual

Cat. No. W440-E1-03
FL-net Units
SYSMAC
CS/CJ Series
CS1W-FLN22 (100Base-TX)
CJ1W-FLN22 (100Base-TX)
OPERATION MANUAL

CS1W-FLN22 (100Base-TX)
CJ1W-FLN22 (100Base-TX)
FL-net Units
Operation Manual
Revised October 2010

iv

v
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. Additionally, there may be severe property damage.
!WARNING Indicates a potentially hazardous situation which, if not avoided, could result in death or
serious injury. Additionally, there may be severe property damage.
!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 “PLC” means Programmable Controller.
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 opera-
tion of the product.
1,2,3... 1. Indicates lists of one sort or another, such as procedures, checklists, etc.
OMRON, 2004
All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form, o
r
by any means, mechanical, electronic, photocopying, recording, or otherwise, without the prior written permission o
f
OMRON.
No patent liability is assumed with respect to the use of the information contained herein. Moreover, because OMRON is con-
stantly 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.

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vii
TABLE OF CONTENTS
PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xix
1 Intended Audience . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xx
2 General Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xx
3 Safety Precautions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xx
4 Operating Environment Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxi
5 Application Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .xxi
6 Conformance to EC Directives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxiii
7 Unit Versions of CS/CJ-series FL-net Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxiv
SECTION 1
Features and System Configuration . . . . . . . . . . . . . . . . . . . 1
1-1 FL-net Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1-2 System Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1-3 Related Programming Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
1-4 Introducing the CX-FLnet Support Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
1-5 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
1-6 Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
SECTION 2
Communications Functions . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2-1 FL-net . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
2-2 Cyclic Transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
2-3 Message Transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
2-4 FINS Communications Service. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
SECTION 3
Startup Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
3-1 Before Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
3-2 Initial Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
3-3 Nomenclature and Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
3-4 Hardware Setup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
3-5 Mounting to the PLC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
3-6 Network Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
3-7 Connecting to the Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
3-8 Creating an I/O Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
3-9 Creating Routing Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
3-10 System Setup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
3-11 Checking Communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

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TABLE OF CONTENTS
SECTION 4
System Setup and Memory Allocations . . . . . . . . . . . . . . . . 47
4-1 Allocated Words . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
4-2 CPU Bus Unit System Setup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
4-3 Allocated Words in the CIO Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
4-4 Allocated Words in the DM Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
SECTION 5
Data Link. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
5-1 Data Link Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
5-2 Setting Data Link Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
SECTION 6
Message Transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
6-1 Message Transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84
6-2 Details of Supported Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
SECTION 7
FINS Communications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
7-1 Overview of FINS Communications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
7-2 Sending Commands from a PLC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
7-3 Command Codes and Response Codes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
7-4 CS/CJ-series Memory Areas and Virtual Addresses. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
7-5 Command/Response Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
SECTION 8
Communications Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
8-1 Network Communications System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134
8-2 Communications Cycle Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134
8-3 Influence on Cycle Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .136
8-4 Calculating the Data Link I/O Response Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
8-5 Message Service Transmission Delays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
SECTION 9
Testing Communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
9-1 Communications Testing Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
9-2 PING Command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
9-3 Internode Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141

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TABLE OF CONTENTS
SECTION 10
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145
10-1 Troubleshooting with Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
10-2 Error Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
10-3 Error Log. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
10-4 Troubleshooting Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .152
10-5 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
10-6 Inspections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162
SECTION 11
CX-FLnet Support Software Operations . . . . . . . . . . . . . . . 167
11-1 CX-FLnet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168
11-2 Operating Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170
Appendices
A System Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .189
B System Configuration Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193
C Network System Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199
D FL-net Network Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205
E FL-net Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211
F FL-net Unit Support Software Ver. 1.6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221
G International System of Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245
Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251

xi
About this Manual:
This manual describes the installation and operation of the CS1W-FLN22 (100Base-TX) and CJ1W-
FLN22 (100Base-TX) FL-net Units.
FL-net Units are used to connect to FL-net networks.
Please read this manual and all related manuals listed in the following table carefully and be sure you
understand the information provided before attempting to install and operate an FL-net Unit.
Name Cat. No. Contents
SYSMAC CS/CJ Series
CS1W-FLN22 (100Base-TX) and CJ1W-FLN22
(100Base-TX) FL-net Units
Operation Manual
(this manual)
W440 Describes the installation and operation of the CS1W-
FLN22 and CJ1W-FLN22 FL-net Units.
Refer to the Communications Commands Reference
Manual (W342) for information on FINS commands that
can be addressed to CS/CJ-series CPU Units.
SYSMAC CS/CJ Series
CS1W-ETN21, CJ1W-ETN21
100Base-TX Ethernet Units
Operation Manual, Construction of Network
W420 Provides information on operating and installing
100Base-TX Ethernet Units, including details on basic
settings and FINS communications.
CXONE-AL@@C-E
CX-One FA Integrated Tool Package Setup Manual
W444 Provides an overview of the CX-One FA Integrated Tool
and installation procedures.
WS02-CXPC1-E-V61
SYSMAC CX-Programmer Ver. 6.1
Operation Manual
W446 Provides information on installing and operating the CX-
Programmer for all functions except for function blocks.
WS02-CXPC1-E-V61
SYSMAC CX-Programmer Ver. 6.1
Operation Manual Function Blocks
W447 Provides specifications and operating procedures for
function blocks.
When programming, refer to the CJ Series (W339) or CJ
Series (W393) Programmable Controllers Operation
Manual, CS/CJ Series Programmable Controllers Pro-
gramming Manual (W394), and CS/CJ Series Program-
mable Controllers Instructions Reference Manual
(W340).
CXONE-AL@@C-E
CX-Integrator Operation Manual
W445 Describes CX-Integrator operating procedures and pro-
vides information on network configuration (data links,
routing tables, Communications Units setup, etc.
SYSMAC CS Series
CS1G/H-CPU@@-EV1, CS1G/H-CPU@@H
Programmable Controllers Operation Manual
W339 Provides an outline of and describes the features, sys-
tem configuration, installation, wiring, I/O memory allo-
cations, and troubleshooting for the CS-series PLCs.
Use this manual together with the CS/CJ Series Pro-
grammable Controllers Programming Manual (W394).
SYSMAC CJ Series
CJ1G-CPU@@, CJ1M-CPU@@, CJ1G-CPU@@P,
CJ1G/H-CPU@@H
Programmable Controllers Operation Manual
W393 Provides an outline of and describes the features, sys-
tem configuration, installation, wiring, I/O memory allo-
cations, and troubleshooting for the CJ-series PLCs.
Use this manual together with the CS/CJ Series Pro-
grammable Controllers Programming Manual (W394).
SYSMAC CS/CJ Series
CS1G/H-CPU@@-EV1, CS1G/H-CPU@@H,
CS1D-CPU@@H, CS1D-CPU@@S, CJ1G-
CPU@@, CJ1M-CPU@@, CJ1G-CPU@@P, C J 1 G /
H-CPU@@H
Programmable Controllers Programming Manual
W394 This manual describes programming, tasks, file memory
function, and other functions of the CS/CJ-series PLCs.
Use this manual together with the CJ Series (W339) or
CJ Series (W393) Programmable Controllers Operation
Manual.

xii
SYSMAC CS/CJ Series
CS1G/H-CPU@@-EV1, CS1G/H-CPU@@H,
CS1D-CPU@@H, CS1D-CPU@@S, CJ1G-
CPU@@, CJ1M-CPU@@, CJ1G-CPU@@P, C J 1 G /
H-CPU@@H
Programmable Controllers Instructions Reference
Manual
W340 Describes the ladder diagram programming instructions
supported by CS/CJ-series PLCs.
Use this manual together with the CJ Series (W339) or
CJ Series (W393) Programmable Controllers Operation
Manual and the CS/CJ Series Programmable Control-
lers Programming Manual (W394).
SYSMAC CS/CJ Series
CS1G/H-CPU@@-EV1, CS1G/H-CPU@@H,
CS1D-CPU@@H, CS1D-CPU@@S, CJ1M-
CPU@@, CJ1G-CPU@@, CJ1G-CPU@@P, C J 1 G /
H-CPU@@H, CS1W-SCB21-V1/41-V1, CS1W-
SCU21-V1, CJ1W-SCU21-V1/41-V1
Communications Commands Reference Manual
W342 Describes the C-series (Host Link) and FINS communi-
cations commands used with CS/CJ-series PLCs.
This manual describes communications commands
addressed to the CPU Unit. The communications path is
not relevant, i.e., communications can be performed via
a serial port on the CPU Unit, Serial Communications
Unit/Board, or a Communications Unit.
Name Cat. No. Contents

xiii
About this Manual, Continued
This manual contains the following sections.
Section 1 introduces the overall structure of an FL-net (Ver. 2.00) network, outlines the features of the
FL-net (Ver. 2.00) Unit, describes the communications protocols used by an FL-net (Ver. 2.00) net-
work, and provides basic precautions for use of the network.
Section 2 describes the communications functions that can be used with the FL-net (Ver. 2.00) Units.
Section 3 explains the procedure for starting up the FL-net (Ver. 2.00) Unit, including mounting to the
PLC, making the required settings, and checking communications.
Section 4 explains the System Setup and the words allocated in the CIO Area and the DM Area for
FL-net (Ver. 2.00) Units.
Section 5 explains the Data Link function, including an overview and examples of how to make the
required settings.
Section 6 describes the message transmission used by an FL-net (Ver. 2.00) network.
Section 7 provides information on communicating on FL-net Systems and interconnected networks
using FINS commands. The information provided in the section deals only with FINS communications
in reference to FL-net (Ver. 2.00) Units.
Section 8 describes the communications system, communications cycle time, communications cycle
time calculation, data link I/O response time, data link I/O response time calculation, and message ser-
vice transmission delays.
Section 9 describes functions that allow you to test communications.
Section 10 describes information and procedures that can be used to troubleshoot problems that
sometimes occur with FL-net (Ver. 2.00) Unit and FL-net communications.
Section 11 describes the Support Software used to make settings for the FL-net Units.
!WARNING Failure to read and understand the information provided in this manual may result in per-
sonal 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.

xiv

xv
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.

xvi
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.

xvii
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.

xviii

xix
PRECAUTIONS
This section provides general precautions for using the CS/CJ-series Programmable Controllers (PLCs) and related devices.
The information contained in this section is important for the safe and reliable application of Programmable
Controllers. You must read this section and understand the information contained before attempting to set up or
operate a PLC system.
1 Intended Audience . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xx
2 General Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xx
3 Safety Precautions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xx
4 Operating Environment Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxi
5 Application Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxi
6 Conformance to EC Directives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxiii
7 Unit Versions of CS/CJ-series FL-net Units . . . . . . . . . . . . . . . . . . . . . . . . . . xxiv

xx
Intended Audience 1
1 Intended Audience
This manual is intended for the following personnel, who must also have
knowledge 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 specifica-
tions described in the operation 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, amuse-
ment machines, safety equipment, and other systems, machines, and equip-
ment 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 Unit. Be
sure to read this manual before attempting to use the Unit and keep this man-
ual close at hand for reference during operation.
!WARNING It is extremely important that a PLC and all PLC Units be used for the speci-
fied 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 a PLC System to the above-mentioned appli-
cations.
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.
!WARNING Do not attempt to disassemble, repair, or modify any Units. Any attempt to do
so may result in malfunction, fire, or electric shock.
!Caution Execute online editing only after confirming that no adverse effects will be
caused by extending the cycle time. Otherwise, the input signals may not be
readable.