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PDF CJ1W-CLK Data sheet ( Hoja de datos )
| Número de pieza | CJ1W-CLK | |
| Descripción | SYSMAC CJ-series Controller Link Units | |
| Fabricantes | Omron | |
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SYSMAC CJ-series Controller Link Units
CJ1W-CLK
www.DataSheet4U.com
CSM_CJ1W-CLK_DS_E_2_1
New Controller Link Units, Now with
4,000 Send Words
• The Controller Link is an FA network that can send and
receive large amounts of data easily and at high speed.
The Controller Link supports data links that enable sharing
data between PLCs and computers and a message
service that enables sending and receiving data whenever
required.
• Systems can be flexibly built by using Repeater Units to
enable T-branches, long-distance wiring, and converting
part of the network to optical cable.
Features
CJ1W-CLK23
• Large-capacity data links are easily achieved without programming simply by setting data link tables.
• Up to 20,000(See note 1.) send/receive words can be set per node for Units (up to 62,000 words for Boards).
• Data links can be performed with up to 4,000(See note 2.) words per node while ensuring data concurrency.
• User-set data link tables can be changed while data links are operating.(See note 3.)
• Errors for the entire system can be monitored by using error diagnosis support software and a variety of status flags.
Note: 1. Supported for unit version 1.2 or later.
2. CJ1W-CLK23 and 3G8F7-CLK@3 are supported.
3. Supported for CJ1W-CLK23, 3G8F7-CLK@3, and models ending with "-V1".
System Configuration
Wired Controller Link Units
Basic Wiring (Daisy Chain Connection)
AAAA
B
(1)
Long-distance Wiring
A
(1)
D
1km Max. *
(1)
D
A
B
1km Max. *
1km Max. *
1km Max. *
A: Wired Controller Link Unit
B: Wired Controller Link Support Board
C: Wire-to-Optical Repeater Unit
D: Wire-to-Wire Repeater Unit
* At 500 kbits/s
(1): Twisted-pair cable
(2): Optical cable
T-Branch Wiring, Partial Conversion to
B Optical Cable
AA
A
(1)
(1) C
(2)
D
A
C (1)
B
(1)
B
A
A
1
1 page  
Mountable Racks
CJ1W-CLK
www.DataSheet4U.com
Model
CJ1 System
CPU Rack
Expansion
Backplane
CP1H System
CP1H PLC
NSJ System
NSJ Controller
Expansion
Backplane
CJ1W-CLK23
Unit version 2.0
CJ1W-CLK21-V1 Unit version 1.2
8 Units (per CPU Unit)
2 Units
(See note 1.)
Not supported
(See note 2.)
8 Units
(See note 3.)
Note: 1. A CP1W-EXT01 CJ Unit Adaptor is required.
2. One NSJW-CLK21-V1 can be mounted to the NSJ Controller.
3. If an Expansion Rack is used, the NSJW-CLK21-V1 cannot be mounted to the NSJ Controller.
Communications Specifications
Items
Model
CJ1W-CLK23
3G8F7-CLK23-E
CJ1W-CLK21-V1
3G8F7-CLK21-EV1
Specifications
Type
Wired (shielded twisted-pair cable)
Communications method N:N token-bus method
Code
Manchester code
Modulation
Synchronization
Baseband code
Flag synchronization (conforms to HDLC frames)
Transmission path format Multidrop method (bus type)
Transmission speed
Maximum transmission
distance
The following are the maximum transmission distances depending on the transmission speed.
2 Mbits/s: 500 m
1 Mbits/s: 800 m
500 kbits/s: 1 km
Maximum distance
between nodes
Not specified. (Maximum transmission distance must be satisfied for the entire system.)
Medium
Specified shielded twist-pair cable
Two signal wires, one shield
Node connection method
Maximum number of
nodes
PLC: Connection to terminal block
Computer: Connection using special (supplied) connector
32 or 62 nodes (See note 1 and 2.)
Applicable Programming
Devices
CX-Integrator in CX-One, CX-Net in CX-Programmer (See note 2.), and Programming Console
Communications
functions
Data links and message service
Send words per node: 4,000 words max. (CJ1W-CLK@3), 1,000 words max. (All other Units)
Number of data link words
Number of send/receive words per node: 12,000 words max. (Pre-Ver. 1.2)
20,000 words max. (unit Ver. 1.2 or later)
Total number of send words per network: 62,000 words max.
Data link areas
PLC: Bit areas (CIO Area, Work Area, Link Area (See note 3.)), Data Memory (DM), Extended DM Area (EM)
Computer: FinsGateway event memory
Message length
RAS functions
2,012 bytes max. (including the header)
• Polling node backup function
• Self-diagnosis function (hardware checking at startup)
• Echoback test and broadcast test (using the FINS command)
• Watchdog timer
• Error log function
Error control
Manchester code check
CRC check (CCITT X16+X12+X5+1)
Note: 1. With wired models, the maximum number of nodes is 32 if Repeater Units are not used. A Repeater Unit is required when building a
network with more than 32 nodes. If a Repeater Unit is used, be sure to use only the following Controller Link Units or Boards and set
the Wired Network 62 Node Enable Bit in the DM Parameter Area software switches at all nodes.
CS1W-CLK23/CLK21-V1
CJ1W-CLK23/CLK21-V1
3G8F7-CLK23-E/CLK21-EV1
2. CX-Net in CX-Programmer version 3.1 or earlier can be used only in a system with a maximum of 32 nodes (node address 1 to 32). If a
system is to be used with a maximum of 62 nodes (node addresses 1 to 62), use CX-Net in CX-Programmer version 3.2 or higher or the
CX-Integrator.
3. CJ-series PLCs do not have a Link Area, but LR000 to LR199 are automatically converted CIO 1000 to CIO 1199.
5
5 Page 
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Read and Understand This Catalog
Please read and understand this catalog before purchasing the products. 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.
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 catalog.
• 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.
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 catalog 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 document has been carefully checked and is believed to be accurate; however, no responsibility is assumed for clerical,
typographical, or proofreading errors, or omissions.
OMRON Corporation
Industrial Automation Company
http://www.ia.omron.com/
2009.1
In the interest of product improvement, specifications are subject to change without notice.
(c)Copyright OMRON Corporation 2009 All Right Reserved.
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