CJ-series EtherNet/IP Unit
CJ1W-EIP21
CSM_CJ1W-EIP21_DS_E_9_3
Introducing the New EtherNet/IP Unit.
More Than 180,000 Words of Tag
Data Link Capacity!
• EtherNet/IP is an industrial multivendor network that uses
Ethernet. Managed by the ODVA (Open DeviceNet
Vendors Association), it has open standards and is used
with a wide range of industrial devices.
• The EtherNet/IP Unit supports tag data links to enable
sharing data between devices at Ethernet nodes and a
message service for sending and receiving data when
required.
• The EtherNet/IP Unit supports the same FINS/UDP and
FINS/TCP functionality as Ethernet Units.
CJ1W-EIP21
Features
• Large-capacity tag data links are easily enabled by simply setting connections, with no programming required.
• Tag data links can be used to exchange data with up to 256 nodes over up to 256 connections.
• Up to 256 connections can be set per Unit with up to 722 words of data per connection, for a total of up to 184,832 words of link data.
(There is no limit to the data link capacity for the overall network.)
• Data concurrency is maintained within each connection (for up to 722 words).
• Tag data link settings can be changed for individual Units even while tag data links are being used on a network.
• Errors can be diagnosed using the Network Configurator, and system errors can be monitored with a wide array of status flags.
System Configuration
Network
Configurator
Switching hub
Twisted-pair cable
100 m
max.
CS1W-EIP21 EtherNet/IP
Unit for CS-series
CJ1W-EIP21
EtherNet/IP Unit
CJ1W-EIP21
EtherNet/IP Unit
Ethernet (LAN) port
CS-series
PLC
CJ-series
PLC
NJ-series Machine
Automation Controller *
Built-in EtherNet/IP port on
CJ2 CPU Unit
(CJ2H-CPU6@-EIP/
CJ2M-CPU3@)
* EtherNet/IP Unit with unit version 2.1 or later is required to connect C1JW-EIP21 to NJ-series CPU Unit.
Use CPU Unit with version 1.01 or later and Sysmac Studio with version 1.02 or later.
1
CJ1W-EIP21
Ordering Information
International Standards
• The standards are abbreviated as follows: U: UL, U1: UL (Class I Division 2 Products for Hazardous Locations), C: CSA, UC: cULus, UC1: cULus
(Class I Division 2 Products for Hazardous Locations), CU: cUL, N: NK, L: Lloyd, and CE: EC Directives.
• Contact your OMRON representative for further details and applicable conditions for these standards.
EtherNet/IP Unit
Unit
type
Product
name
Specifications
Communications
cable
Communications
functions
Shielded twisted-pair
(STP) cable
Categories: 100 Ω at
5, 5e
Tag Data Link
Functions, Message
Communications
Functions
No. of
unit
numbers
Units per CPU Unit allocated
Current
consumption (A)
5V
system
Model
24 V
system
Standards
EtherNet/IP
Unit
CJ1 CPU
Bus Unit
8 max.
*1
1
−
0.41
CJ1W-EIP21
*2
UC1, N, L,
CE
*1. Up to four EtherNet/IP Units can be connected to a NJ CPU Unit. Up to seven EtherNet/IP Units can be connected to a CJ2H-CPU6@-EIP. Up
to two EtherNet/IP Units can be connected to a CJ2M CPU Unit.
*2. EtherNet/IP Unit with unit version 2.1 or later is required to connect C1JW-EIP21 to NJ-series CPU Unit. Use CPU Unit with version 1.01 or
later and Sysmac Studio with version 1.02 or later.
Industrial Switching Hubs
Specifications
Product name
Appearance
Functions
Failure
detection
Accessories
3
No
• Power supply
connector
5
No
Quality of Service (QoS):
EtherNet/IP control data priority
Failure detection:
Broadcast storm and LSI error detection
10/100BASE-TX, Auto-Negotiation
Industrial
Switching Hubs
Current
consumption
(A)
No. of
ports
5
Yes
• Power supply
connector
• Connector
for informing
error
Model
0.22
W4S1-03B
0.22
W4S1-05B
0.22
W4S1-05C
Standards
UC, CE
CE
Recommended Network Devices
The following table shows the devices recommended for use with the EtherNet/IP.
Part
Manufacturer
Switching Hub
Model number
Inquires
Phoenix Contact
FL SWITCH SFN 8TX (8 ports)
Phoenix Contact USA Customer Service
Contec USA, Inc.
SH8008(FIT)H (8 ports)
CONTEC USA Inc.
Cisco Systems, Inc.
WS-C2955T-12 (12 ports)
Cisco Systems, Inc. Main Corporate HQ
Twisted-pair
cable
100BASE-TX
Connectors
(Modular plug)
STP Plug
Panduit Corporation
MPS588
Panduit Corporation US Headquarters
Boots
Tsuko Company
MK boot (IV) LB
Tsuko Company Japan Headquarters
−
EtherNet/IP compliant cable
Note: 1. Always use a switching hub when using tag data links in the network.
2. If a repeater hub is used for EtherNet/IP tag data links (cyclic communications), the network's communications load will increase, data
collisions will occur frequently, and stable communications will be impossible.
Mountable Racks
NJ system
Model
CJ1W-EIP21
CPU Rack
Expansion
Rack
4 Units (per CPU Unit)
*1
CJ1 system
CPU Rack
Expansion
Backplane
8 Units (per CPU Unit)
*2
CP1H system
NSJ system
CP1H PLC
NSJ Controller
Expansion
Backplane
2 Units
*3
Not supported
8 Units
*1. EtherNet/IP Unit with unit version 2.1 or later is required to connect C1JW-EIP21 to NJ-series CPU Unit. Use CPU Unit with version 1.01 or
later and Sysmac Studio with version 1.02 or later.
*2. Up to seven EtherNet/IP Units can be connected to a CJ2H-CPU6@-EIP. Up to two EtherNet/IP Units can be connected to a CJ2M CPU Unit.
*3. A CP1W-EXT01 CJ Unit Adaptor is required.
Sysmac is a trademark or registered trademark of OMRON Corporation in Japan and other countries for OMRON factory automation products.
Windows are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries.
EtherNet/IPTM and DeviceNetTM are trademarks of the ODVA.
Other company names and product names in this document are the trademarks or registered trademarks of their respective companies.
2
CJ1W-EIP21
EtherNet/IP Units Specifications
Item
Specifications
Model number
CJ1W-EIP21
Type
100Base-TX *1
Applicable PLCs
NJ-series, CJ (CJ1, CJ2) series, CP1H, and NSJ series PLCs.
Unit classification
CJ-series CPU Bus Unit
Mounting location
CPU Rack or Expansion Rack
Number of Units that can be mounted
NJ-series System : 4 max. (including Expansion Racks)
CJ series System and NSJ series System: 8 max. (including Expansion Racks) *2
CP1H System: 2 max.
Allocated CIO Area words
(CPU Bus Unit words)
CPU Unit
words used
Allocated DM Area words
(CPU Bus Unit words)
User-set area
CPU Bus Unit System
Setup
Non-volatile memory within EtherNet/IP
Unit (See note.)
Transfer
specifications
25 words/Unit (one unit number’s words)
These words contain control bits and flags, the target node PLC’s operating and error information, Unit status,
communications status, registered/normal target node information, and FINS/TCP connection status.
100 words/Unit (one unit number’s words)
These words contain the IP address display/setting area.
Any usable data area words
Target node PLC’s operating and error information, and registered/normal target node information
Not used.
The following settings are stored in the EtherNet/IP Unit’s non-volatile memory.
Note: Unlike the regular Ethernet Units, the CPU Bus Unit Setup Area in the CPU Unit is not used for these settings.
1. Unit Setup (communications settings for the EtherNet/IP Unit, such as the IP address, DNS server settings, host
name, baud rate, FINS/UDP settings, and FINS/TCP settings)
2. Tag data link settings (device parameters)
Media access method
CSMA/CD
Modulation method
Baseband
Transmission paths
Star form
Baud rate
100 Mbit/s (100Base-TX)
Transmission media
Shielded twisted-pair (STP) cable
Categories: 100 Ω at 5, 5e
Transmission distance
100 m (distance between hub and node)
Number of cascade
connections
There is no limitation when a switching hub is used.
Current consumption (Unit)
410 mA max. at 5 V DC
Weight
94 g max.
Dimensions
31 × 90 × 65 mm (W × H × D)
Other general specifications
Other specifications conform to the general specifications of the CJ-series.
*1. If tag data links are being used, use 100Base-TX. Otherwise, 10Base-T can be used, but this is not recommended.
*2. Up to seven EtherNet/IP Units can be connected to a CJ2H-CPU6@-EIP. Up to two EtherNet/IP Units can be connected to a CJ2M CPU Unit.
3
CJ1W-EIP21
Communications Specifications
Item
Tag data links
(Cyclic
communications)
CIP
service
CJ1
Number of
connections
256
Packet interval
(refresh cycle)
0.5 to 10,000 ms (in 0.5-ms units)
Can be set independently for each connection.
(Data is refreshed over the network at the preset interval and does not depend on the number of nodes.)
Maximum allowed
communications
bandwidth per Unit
Number of tag sets
Tag types
Number of tags
per connection
(= 1 tag set)
Maximum link data
size per node
Maximum data size
per connection *4
Number of
registrable tag sets
Maximum size
of 1 tag set
Maximum number
of tags that can
be refreshed per
CPU Unit cycle *5
Data that can be
refreshed per
CPU Unit cycle *5
Explicit
messaging *9
Specifications
CJ2
NJ
Changing tag data
link parameters
during operation
Multicast packet filter
function *8
Class 3
(connected)
UCMM
(unconnected)
CIP routing *10
FINS/UDP
FINS/TCP
EtherNet/IP conformance test
FINS service
Ethernet interface
6,000 to 12,000 pps *1 *2
256
CIO Area, DM Area, EM Area, Holding Area, Work Area, and network symbols *3
8 (7 tags when the tag set contains the controller status)
184,832 words
504 bytes (252 words) or 1444 bytes (722 words) *3
Data synchronicity is maintained within each connection.
256 (1 connection = 1 tag set)
722 words
(The controller status uses 1 word when the tag set contains the PLC status.)
Output/Transmission
(CPU to EtherNet/IP): 19
Input/Reception (EtherNet/IP to CPU):
20 *6
Output/Transmission
(CPU to EtherNet/IP): 7,405 words
Input/Reception
(EtherNet/IP to CPU): 7,405 words
Output/Transmission (CPU to EtherNet/IP): 256
Input/Reception (EtherNet/IP to CPU): 256
Output/Transmission
(CPU to EtherNet/IP): 6,432 words
Input/Reception
(EtherNet/IP to CPU): 6,432 words
Supported *7
Supported
Number of connections: 128
Number of clients that can communicate at one time: 32 max.
Number of servers that can communicate at one time: 32 max.
Supported
CJ1W-EIP21, CS1W-EIP21, NJ-501-@@@@, NJ-301-@@@@, CJ2H-CPU@@-EIP, CJ2M-CPU3@
Not supported
Supported
Not supported
16 connections max.
Conforms to A8
10BASE-T or 100BASE-TX
Auto Negotiation or fixed settings
*1. In this case, pps means "packets per second" and indicates the number of packets that can be processed in one second.
*2. When using the EtherNet/IP Unit with version 3.0 or later. When using the EtherNet/IP Unit with version 2.1 or earlier, the maximum allowed
communications bandwidth per Unit is 6,000 pps. When using the EtherNet/IP Unit with version 3.0 or later, the Network Configurator with
version 3.57 or higher is required.
*3. Network symbols can be used only by the NJ501-@@@@, NJ301-@@@@, CJ2H-CPU6@-EIP and CJ2M-CPU3@.
*4. To use 505 to 1,444 bytes as the data size, the system must support the Large Forward Open standard (an optional CIP specification). The
CS/CJ-series Units support this standard, but before connecting to nodes of other companies, confirm that those devices also support it.
*5. If the maximum data size is exceeded, the data refreshing with the CPU Unit will extend over two or more cycles.
*6. If status layout is selected in the user settings, the maximum number of tags that can be received is 19 tags.
*7. If parameters are changed in the EtherNet/IP Unit, however, the EtherNet/IP Unit will be restarted. When other nodes are communicating with
the affected node, the communications will temporarily time out and automatically recover later.
*8. Because the EtherNet/IP Unit is equipped with an IGMP client, unnecessary multicast packets can be filtered by using a switching hub that
supports IGMP snooping.
*9. The EtherNet/IP Unit uses the TCP/UDP port numbers shown in the following table.
Service
Used by system
Tag data links
Class3, UCMM
DNS
BOOTP client
FINS/UDP service
FINS/TCP service
FTP
SNTP
SNMP
SNMP trap
Protocol
CJ1/CJ2
--UDP
TCP/UDP
UDP
--UDP
TCP
TCP
UDP
UDP
UDP
Port number
NJ
UDP
CJ1/CJ2
---
Remarks
NJ
2223, 2224
2222
44818
53
UDP
9600
9600
20, 21
123
161
162
NJ
Fixed value
---
-----
CJ1/CJ2
68
----21
Port numbers in the
Unit Setup can be
changed with the
CX-Programmer.
Port numbers in the
Unit Setup can be
changed with the
Sysmac Studio.
*10.When NJ-Series CPU Units is described, Supported only by the EtherNet/IP Units with unit version 2.1 or later and NJ-Series CPU Units with
unit version 1.01 or later.
4
CJ1W-EIP21
Unit Versions and Software Versions
The following versions of the Sysmac Studio, CX-Programmer and Network Configurator are required to set EtherNet/IP Units.
Yes:Supported, ---:Not supported
Sysmac Studio *1
Ver.1.01 or lower Ver.1.02 or higher
----------Yes
--Yes
CJ1W-EIP21
Ver.1.0
Ver.2.0
Ver.2.1
Ver.3.0 *4
*1.
*2.
*3.
*4.
Ver.7.1 or lower
---------
CX-Programmer *2
Ver.8.0 or higher Ver.8.02 or higher
Yes *3
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Network Configurator for EtherNet/IP
Ver.3.40 or lower Ver.3.50 or higher
Yes
Yes
Yes
Yes
--Yes
--Yes
Available only when connecting with NJ-series CPU Units.
Available only when connecting with CJ1/CJ2-series CPU Units.
The most recent version of the common module for CX-One version 3.@@ must be installed.
Using the Sysmac Studio auto-update (November 2014 or later).
Network Configurator Requirements
The Network Configurator Ver. 3.0 or higher is a software package designed for building, setting, and controlling a multi-vendor EtherNet/IP
Network using OMRON's EtherNet/IP. It is included in CX-One version 3.0. The Network Configurator provides the following functions for building,
setting, and controlling EtherNet/IP.
Item
Operating environment
Network
connection
method
Serial interface
Ethernet interface
Location on Network
Number of Units that can be connected to
Network
Main
functions
Network control functions
Configuration functions
Supported file formats
Specification
Refer to the CX-One Setup Manual (Cat. No. W463).
CXONE-AL@@D-V@
CS1/CJ1
CJ2
NJ
CPU Unit’s Peripheral or RS-232C port CPU Unit’s USB or RS-232C port
CPU Unit’s USB port
CPU Unit’s Ethernet port
EtherNet/IP Unit’s Ethernet port
EtherNet/IP Unit’s Ethernet port
A single node address is used (only when directly connected to EtherNet/IP).
A single Network Configurator per Network (More than one Configurator cannot be used in the same system.)
• The Network configuration can be created and edited regardless of whether the Network Configurator is online or offline.
• The Network configuration can be read from a file or the network.
The EDS files used by the Network Configurator can be installed and deleted.
Configurator network configuration files (*.ncf)
Configuration files (*.ncf) created using the Network Configurator for EtherNet/IP (version 2) can be imported
by selecting External Data - Import from the File Menu.
External Interface
CJ1W-EIP21
LED Indicators
These indicators display the Unit and network status.
Unit number setting switch
This rotary switch sets the unit number on the CPU Unit with one hexadecimal digit.
Node address setting switches
These two rotary switches set the node address for the EtherNet/IP Unit on the
EtherNet/IP network with two hexadecimal digits.
This setting is also used as the host ID in the default IP address (192.168.250.@).
Label showing IP address
A label that can be used to show the IP address and subnet mask is provided.
Ethernet connector
The network is connected with shielded twisted-pair cable.
Ethernet Connectors
The following standards and specifications apply to the connectors for the Ethernet twisted-pair cable.
• Electrical specifications: Conforming to IEEE802.3 standards.
• Connector structure:
RJ45 8-pin Modular Connector
(conforming to ISO 8877)
Connector pin
1
2
3
4
5
6
7
8
Hood
Signal name
Transmission data +
Transmission data −
Reception data +
Not used.
Not used.
Reception data −
Not used.
Not used.
Frame ground
Abbr.
TD+
TD−
RD+
−
−
RD−
−
−
FG
Signal direction
Output
Output
Input
−
−
Input
−
−
−
5
CJ1W-EIP21
Functional Comparsion of EtherNet/IP Functionality
OK:Supported, ---:Not supported
EtherNet/IP Unit (built-in port on CJ2 CPU Unit)
Unit version 1.0
Unit version 2.0
Unit version 2.1
Unit version 3.0
Built-in EtherNet/
IP port on NJseries CPU Unit
CJ-series Ethernet
Unit
Tag data link communications service
OK
OK
OK
OK
---
CIP message communications service
OK
OK
OK
OK
---
Socket service
---
---
---
OK
OK
File transfer (FTP)
---
OK
OK
OK
OK
Mail send/receive
---
---
---
---
OK
Web functions
---
---
---
---
OK
Automatic adjustment of PLC/Controller’s internal clock
---
OK
OK
OK
OK
Error history
OK
OK
OK
OK *1
OK
Response to PING command
OK
OK
OK
OK
OK
SNMP/SNMP trap
---
OK
OK
OK
---
CIDR function for IP addresses
---
OK
OK
OK
---
Online connection via EtherNet/IP using CX-One/Sysmac Studio
---
OK
OK
---
---
Online connection via EtherNet/IP using Network Configurator
OK
OK
OK
OK
---
Mounting in a Controller with an NJseries CPU Unit
---
---
OK *2
---
---
Item
*1. This is equivalent to the event log of the built-in EtherNet/IP port of an NJ-series Controller.
*2. You cannot use the following functions if you connect to the CPU Unit through an EtherNet/IP Unit.
• Going online with a CPU Unit from the Sysmac Studio. (However, you can go online from the Network Configurator.)
• Troubleshooting from an NS-series PT
Dimensions
(Unit: mm)
CJ1W-EIP21
31mm
65mm
90mm
6
CJ1W-EIP21
Related Manuals
Manual
number
Model
Name
Contents
CS1W-EIP21
CJ1W-EIP21
CJ2H-CPU@@-EIP
CJ2M-CPU3@
EtherNet/IP Units Operation
Manual
Provides information on operating and installing EtherNet/IP Units, including details
on basic settings, tag data links, and FINS communications.
Refer to the Communications Commands Reference Manual (W342) for details on
FINS commands that can be sent to CS-series and CJ-series CPU Units when
using the FINS communications service.
Refer to the Ethernet Units Operation Manual Construction of Applications (W421)
for details on constructing host applications that use FINS communications.
W495
CJ1W-EIP21
CJ-series EtherNet/IP Units
Operation Manual for NJ-series
CPU Unit
Information on using an EtherNet/IP Unit that is connected to an NJ-series CPU
Unit is provided. Information is provided on the basic setup, tag data links, and
other features. Use this manual together with the NJ-series CPU Unit Hardware
User’s Manual (Cat. No. W500) and NJ-series CPU Unit Software User’s Manual
(Cat. No. W501).
W421
CS1W-ETN21
CJ1W-ETN21
Ethernet Units Operation Manual
Construction of Applications
Provides information on constructing host applications for 100Base-TX Ethernet
Units, including functions for sending/receiving mail, socket service, automatic
clock adjustment, FTP server functions, and FINS communications.
W342
CS1G/H-CPU@@H
CS1G/H-CPU-@@V1
CS1W-SCU21
CS1W-SCB21/41
CJ1G/H-CPU@@H
CJ1G-CPU@@
CJ1W-SCU41
Communications Commands
Reference Manual
Describes the C-series (Host Link) and FINS communications commands used
when sending communications commands to CS-series and CJ-series CPU Units.
W463
CXONE-AL@@D-V@
CX-One Setup Manual
Describes the setup procedures for the CX-One. Information is also provided on the
operating environment for the CX-One.
W465
7
Terms and Conditions Agreement
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.
Warranties.
(a) Exclusive Warranty. Omron’s exclusive warranty is that the Products will be free from defects in materials and workmanship
for a period of twelve months from the date of sale by Omron (or such other period expressed in writing by Omron). Omron
disclaims all other warranties, express or implied.
(b) Limitations. OMRON MAKES NO WARRANTY OR REPRESENTATION, EXPRESS OR IMPLIED, ABOUT
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ACKNOWLEDGES THAT IT ALONE HAS DETERMINED THAT THE
PRODUCTS WILL SUITABLY MEET THE REQUIREMENTS OF THEIR INTENDED USE.
Omron further disclaims all warranties and responsibility of any type for claims or expenses based on infringement by the
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AND THAT THE OMRON PRODUCT(S) IS PROPERLY RATED AND INSTALLED FOR THE INTENDED USE WITHIN THE
OVERALL EQUIPMENT OR SYSTEM.
Programmable Products.
Omron Companies shall not be responsible for the user’s programming of a programmable Product, or any consequence
thereof.
Performance Data.
Data presented in Omron Company websites, catalogs and other materials 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 user must correlate
it to actual application requirements. Actual performance is subject to the Omron’s Warranty and Limitations of Liability.
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 part 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 part numbers
may be assigned to fix or establish key specifications for your application. Please consult with your Omron’s representative at
any time to confirm actual specifications of purchased Product.
Errors and Omissions.
Information presented by Omron Companies has been checked and is believed to be accurate; however, no responsibility is
assumed for clerical, typographical or proofreading errors or omissions.
2019.3
In the interest of product improvement, specifications are subject to change without notice.
OMRON Corporation
Industrial Automation Company
http://www.ia.omron.com/
(c)Copyright OMRON Corporation 2019 All Right Reserved.