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CJ-series DeviceNet Unit
CJ1W-DRM21
CSM_CJ1W-DRM21_DS_E_8_3
Smallest in the Industry! A DeviceNet
Unit for the CJ Series that Boasts
Industry-leading Performance and
Functions
CJ1W-DRM21
Features
• Allows control of up to 32,000 points (2,000 words) per master, and ensures a high degree of simultaneity between data.
• Can be used as both a master and a slave at the same time.
• Equipped with settings and monitor functions aimed at improving both design and startup efficiency. Achieve maximum performance by using
in combination with a Configurator.
• Files of master and slave settings can be uploaded and downloaded using memory cards, allowing effective debugging and easier setup.
System Configuration
DeviceNet
Configurator
Control system
Maintenance system
Ethernet
Maintenance information
Common Smart Slave Functions
Controller
Network power supply voltage monitor
DRT2-series
MIL Connector
Terminals
Control
information
Unit/Connected device comments
E5ZN-DRT
Smart Slave DeviceNet
Communications Unit
Unit power-ON time monitor
DRT2-series
Remote I/O Terminals
Models with 3-tier
Terminal Blocks
DRT2-series
Remote I/O Terminals
Relay Output Terminals
DRT2-series
Smart Slave
Remote I/O Terminals
DRT2-series
Smart Slave
Analog I/O Terminals
DRT2-series
Smart Slave
Environment-resistive
Terminals
DRT2-series
Smart Slave
Sensor Terminals
Reduce Setup Time
Reduce Downtime
• Network power supply monitor function • Moving average processing function
• Input filter function
• Number of A/D conversion points
(conversion cycle) setting
• Power-ON inrush current
• Unit comments function
• Connected device comments function
• I/O power supply monitor function
• Sensor power supply short-circuit detection function
• External load short-circuit detection function
• Disconnected sensor detection function
protection function
• Communications speed
auto-detect function
• Scaling function
• User compensation function
• Cumulative counter
• Peak/bottom hold function
• Top/valley hold function
• Percentage change calculation
function
DRT2-series
Screw-less Clamp
Terminals
Smart Slave:
DRT2-series
Board Terminals
with MIL Connectors
Improve Maintenance
• Operation time monitor function
• Contact operations counter (See note.)
• Unit conduction time monitor function
• Total ON time monitor function (See note.)
• Network power supply voltage monitor function
• Communications error log function
• Last maintenance date
• Comparator function
• Selectable output value after error
Note: The number of contact operations monitor function and the cumulative ON time monitor function cannot be used simultaneously for the same
contact.
1
CJ1W-DRM21
Communication Specifications
Item
Specifications
Communications protocol
DeviceNet
Connection methods
Multi-drop and T-branch connections can be combined (for trunk and branch lines) *1
Baud rate
500 Kbps, 250 Kbps, or 125 Kbps
Communications media
Special 5-wire cables (2 signal lines, 2 power lines, 1 shield line)
Special 4-wire flat cables (2 signal lines, 2 power lines)
Baud rate
Communications distances for 500 kbps
special 5-wire cables
250 kbps
125 kbps
Baud rate
Communications distances for 500 kbps
special 4-wire flat cables
250 kbps
125 kbps
Network length
Branch line length
Total branch line length
100 m max.
6 m max.
39 m max.
250 m max. *2
6 m max.
78 m max.
500 m max. *2
6 m max.
156 m max.
Network length
Branch line length
Total branch line length
75 m max.
6 m max.
35 m max.
150 m max.
6 m max.
48 m max.
265 m max.
6 m max.
135 m max.
Communications
power supply
24 V DC supplied externally
Max. number of nodes
64 nodes (including Masters, Slaves, and Configurator)
*1. Terminators are required at both ends of trunk line.
*2. Indicates the maximum network length when thick cables are used. Reduce the network length to 100 m max. when using thin cables.
Network Specifications
Trunk Line Length (100 m: 500,000 bps; 250 m: 250,000 bps; or 500 m: 125,000 bps)
24 V DC power supply
for network
Multidrop
Terminating
resistance
Device
Tap
Device
Device
Device
Device
Device
Star Connections
Device
T-Branch
Tap
(Branch line length: 6 m max.)
Tap
Tap
Terminating
resistance
Tap
Tap
Device
Device
Device
Device
Device
Branching to
Branch Lines
2
CJ1W-DRM21
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.
Unit
classification
Product
name
Specifications
Communications
No. of unit
numbers
allocated
• Remote I/O Communications
Equipped with
Master (fixed allocations or
Master and Slave
user-set allocations)
functionality.
• Remote I/O Communications 1
Controls for up to
Slave (fixed allocations or
32,000 points per
user-set allocations)
Master.
• Message communications
CJ1 CPU
Bus Unit
Current consumption (A)
5V
Model
24 V
−
0.29
CJ1W-DRM21
Note: When using with the Machine Automation Controller NJ Series, note the following points:
• Simple backup function cannot be used.
• DeviceNet configurator cannot be used. Use CX-Integrator.
Software
How to Select Required Support Software for Your Controller
The required Support Software depends on the Controller to connect. Please check the following table when purchasing the Support Software.
Item
Omron PLC System
Omron Machine Automation Controller System
Controller
CS, CJ, CP, and other series
NJ-series
Software
FA Integrated Tool Package CX-One
Automation Software Sysmac Studio
FA Integrated Tool Package CX-One
Product name
Specifications
Number of
licenses
Model
Media
Standards
The CX-One is a comprehensive software package that
integrates Support Software for OMRON PLCs and
components.
FA Integrated Tool
Package CX-One
Ver.4.@
CX-One runs on the following OS.
OS:Windows XP (Service Pack 3 or higher, 32-bit
version) / Windows Vista (32-bit/64-bit version) /
Windows 7 (32-bit/64-bit version) / Windows 8 (32bit/64-bit version) / Windows 8.1 (32-bit/64-bit
version) / Windows 10 (32-bit/64-bit version)
1 license *
DVD
CXONE-AL01D-V4
−
CX-One Version 4.@ includes CX-Integrator Ver.3.@.
For details, refer to the CX-One catalog (Cat. No. R134)
* Multi licenses (3, 10, 30, or 50 licenses) and DVD media without licenses are also available for the CX-One.
Automation Software Sysmac Studio
Please purchase a DVD and required number of licenses the first time you purchase the Sysmac Studio. DVDs and licenses are available
individually. Each model of licenses does not include any DVD.
Product name
Specifications
The Sysmac Studio provides an integrated
development environment to set up, program, debug,
and maintain NJ-series Controllers and other Machine
Automation Controllers, as well as EtherCAT slaves.
Sysmac Studio
Standard Edition
Ver.1.@@
Number of
licenses
Media
−
DVD
(Media only)
Model
Standards
SYSMAC-SE200D
−
SYSMAC-SE201L
−
Sysmac Studio runs on the following OS.
OS:Windows XP (Service Pack 3 or higher, 32-bit
version) / Windows Vista (32-bit version) /
Windows 7 (32-bit/64-bit version) / Windows 8 (32bit/64-bit version) / Windows 8.1 (32-bit/64-bit
version) / Windows 10 (32-bit/64-bit version)
1 license
The Sysmac Studio Standard Edition DVD includes
*
Support Software to set up EtherNet/IP Units, DeviceNet
slaves, Serial Communications Units, and Support
Software for creating screens on HMIs (CX-Designer).
For details, refer to the Sysmac Integrated Catalogue (P072).
−
* Multi licenses are available for the Sysmac Studio (3, 10, 30, or 50 licenses).
3
CJ1W-DRM21
Specifications
Communications power supply voltage
11 to 25 VDC *1
Current consumption
Communications:18 mA max.
Internal circuit: 290 mA max.
Max. number of
Remote I/O, explicit message service
connectable slaves
63 *2
Fixed allocations
Max. number of I/O
points
User-set
allocations
User-set
allocations
When used as
32 points
a slave
When used as
16,000 points
Using
a master
allocated DM
When used as
Area words
3,200 points
a slave
When used as
32,000 points
a master
Using
Configurator When used as
4,800 points
a slave
Fixed allocations
Number of
allocated words
When used as
2,048 points
a master
When used as 64 input and 64 output words
a master
Software switch/status area: 25 words
When used as
1 input word, 1 output word *3
a slave
When used as
Using
a master
allocated DM
When used as
Area words
a slave
500 input and 500 output words
Software switch/status area: 25 words
100 input and 100 output words *3
Software switch/status area: 25 words
When used as 500 input words x 2 blocks, 500 output words x 2 blocks
a master
Software switch/Status area: 25 words
Using
Configurator When used as 100 input words x 1 blocks, 100 output words x 2 blocks
(See note 3.)
a slave
Software switch/Status area: 25 words
Message
communications
Max. message length
542 bytes *4
Applicable Controllers
CJ/NJ Series
Max. number of
Fixed allocations
Units mountable to
User-set allocations
Controller
3
Weight
118 g max.
16
*1. Refer to the DeviceNet Operation Manual (W267) for the communications power supply specifications.
*2. The Device Unit uses a node, and so connection is possible to 63 slaves only.
*3. When the DeviceNet is used as a slave, "input" and "output" respectively refer to input from the slave to the master and output from the master
to the slave.
*4. The maximum message length includes the command code when using the CMND instruction. (SendCmd instruction with NJ-series controller)
4
CJ1W-DRM21
External Interface
Indicators
DRM21
MS
NS
789A
F 012
3456
D
BC E
9 01
78
9 01
23
456
456
23
Unit No. switch
This switch sets the unit number of the DeviceNet Unit as a onedigit hexadecimal value.
UNIT
NO.
Node address switches
These switches set the node address as a two-digit decimal value.
78
HOLD
ESTP
DR1
DR0
1 2 3 4
ON
ON
4
3
2
1
DIP switch
The pins have the following functions:
Pins 1 and 2: Baud rate
Pin 3: Continue/Stop communications for error (when used as a Master)
Pin 4: Hold/clear I/O for communications error (when used as a Slave)
Communications connector
Connect the Network communications cable to this connector. The
communications power for this Unit is also supplied through this connector.
A parallel connector with screws (XW4B-O5C1-H1-D) is provided
for node connection.
Communications Connectors
Color stickers that match communications cable colors are attached to the communications connectors. Match the colors when connecting
communications cables to the connectors. These colors are given in the following table
Color
Signal
Black
Power line, negative voltage (V−)
Blue
Communications line, low (CAN L)
−
Shield
White
Communications line, high (CAN H)
Red
Power line, positive voltage (V+)
Dimensions
(Unit: mm)
13.7
31
65
DRM21
MS
NS
F 012
789A
3456
01
D
BC E
50
789
01
UNIT
NO.
23
456
456
23
789
90
4
3
2
1
HOLD
ESTP
DR1
DR0
1 2 3 4
ON
ON
35
5
11
15
5
5
CJ1W-DRM21
Related Manuals
Manual name
Cat. No.
CS/CJ Series
DeviceNet Unit
Operation Manual
W380
CJ-series DeviceNet
Units Operation
Manual for NJ-series
CPU Unit
W497
DeviceNet
Configurator Ver. 2. @
Operation Manual
W382
Model numbers
Application
Description
CS1W-DRM21(-V1)
CJ1W-DRM21
Learning about the functions and
operating procedure for CS/CJ
Series DeviceNet Units.
The functions and operating procedures when
the CS/CJ Series DeviceNet Unit is used in CS/
CJ series system configuration are described.
CJ1W-DRM21
Learning about the functions and
operating procedures when the CJseries DeviceNet Unit is used in an
NJ-series system configuration.
The functions and operating procedures when
the CJ-series DeviceNet Unit is used in an NJseries system configuration are described.
−
Learning about the operating
procedures for DeviceNet
Configurator.
The operating procedures for DeviceNet
Configurator are described in details.
−
Learning about the
communications specifications
and wiring methods common
among the DeviceNet
communications networks.
The communications specifications and wiring
methods common among the DeviceNet
communications networks are described.
Please read this manual and familiarize yourself
with the functions and characteristics of the
DeviceNet before use.
W404
DRT2-ID/OD/
MD32SL(H)(-1)
DRT2-MD16S
DRT2 Series
Learning about the DRT2 Series
DeviceNet Slaves.
The types of DRT2 DeviceNet Slaves, the
functions, specifications, and operating
procedures are described in details.
W348
DRT1-COM
GT1 Series
Learning about the Multiple I/O
Terminal, which is a type of
DeviceNet Slave.
The types of Multiple I/O Terminal, which are
kinds of DeviceNet Slaves, are provided. Also,
their functions, specifications, and operating
procedures are described in details.
CX-Integrator Ver.2. @
W464
Operation Manual
−
Learning about the CX-Integrator
that is used to set up the DeviceNet
networks and to make settings.
The operating procedures for CX-Integrator are
described.
DeviceNet Operation
Manual
DRT2 Series
DeviceNet Slaves
Operation Manual
GT1 Series DeviceNet
Multiple I/O Terminal
Operation Manual
W267
6
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
NON-INFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OF THE PRODUCTS. BUYER
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
Products or otherwise of any intellectual property right. (c) Buyer Remedy. Omron’s sole obligation hereunder shall be, at
Omron’s election, to (i) replace (in the form originally shipped with Buyer responsible for labor charges for removal or
replacement thereof) the non-complying Product, (ii) repair the non-complying Product, or (iii) repay or credit Buyer an amount
equal to the purchase price of the non-complying Product; provided that in no event shall Omron be responsible for warranty,
repair, indemnity or any other claims or expenses 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. Return of any Products by Buyer must be approved in writing by Omron before shipment. Omron Companies shall
not be liable for the suitability or unsuitability or the results from the use of Products in combination with any electrical or
electronic components, circuits, system assemblies or any other materials or substances or environments. Any advice,
recommendations or information given orally or in writing, are not to be construed as an amendment or addition to the above
warranty.
See http://www.omron.com/global/ or contact your Omron representative for published information.
Limitation on Liability; Etc.
OMRON COMPANIES SHALL NOT BE LIABLE FOR SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES,
LOSS OF PROFITS OR PRODUCTION OR COMMERCIAL LOSS IN ANY WAY CONNECTED WITH THE PRODUCTS,
WHETHER SUCH CLAIM IS BASED IN CONTRACT, WARRANTY, NEGLIGENCE OR STRICT LIABILITY.
Further, in no event shall liability of Omron Companies exceed the individual price of the Product on which liability is asserted.
Suitability of Use.
Omron Companies shall not be responsible for conformity with any standards, codes or regulations which apply to the
combination of the Product in the Buyer’s application or use of the Product. At Buyer’s request, Omron will provide applicable
third party certification documents identifying ratings and limitations of use which apply to the Product. This information by itself
is not sufficient for a complete determination of the suitability of the Product in combination with the end product, machine,
system, or other application or use. Buyer shall be solely responsible for determining appropriateness of the particular Product
with respect to Buyer’s application, product or system. Buyer shall take application responsibility in all cases.
NEVER USE THE PRODUCT FOR AN APPLICATION INVOLVING SERIOUS RISK TO LIFE OR PROPERTY OR IN LARGE
QUANTITIES WITHOUT ENSURING THAT THE SYSTEM AS A WHOLE HAS BEEN DESIGNED TO ADDRESS THE RISKS,
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.
2016.5
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 2016 All Right Reserved.
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