OMRON CJ1W-DRM21 catalog

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Global Edition

For ordering in Singapore, please note some product models not sold in Singapore may be included in the following catalog(s) for our global customers.

*It is recommended to select “Save” from the right-click due to large size of catalog PDF data.

Catalog Name	Catalog Number [size]	Last Update
CJ1W-DRM21 Data Sheet	- [918KB]	Feb 01, 201820180201	CJ1W-DRM21 Data Sheet

OMRON CJ1W-DRM21 dimension

last update: August 21, 2013

CJ1W-DRM21

last update: August 21, 2013

OMRON CJ1W-DRM21 lineup

last update: February 1, 2018

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 classifi- cation	Product name	Specifications	Communications	No. of unit numbers allocated	Current consumption (A)		Model
					5 V	24 V
CJ1 CPU Bus Unit		Equipped with Master and Slave functionality. Controls for up to 32,000 points per Master.	Remote I/O Communications Master (fixed allocations or user-set allocations) Remote I/O Communications Slave (fixed allocations or user-set allocations) Message communications	1	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			Model	Stand- ards
		Number of licenses	Media
FA Integrated Tool Package CX-One Ver.4.[]	The CX-One is a comprehensive software package that integrates Support Software for OMRON PLCs and components. CX-One runs on the following OS. OS: Windows XP (Service Pack 3 or higher,32-bit version)/ Windows Vista (32-bit/64-bitversion)/ Windows 7 (32-bit/64-bit version)/ Windows 8 (32-bit/64-bit version)/ Windows 8.1 (32-bit/64-bit version)/ Windows 10 (32-bit/64-bit version) CX-One Version 4.[] includes CX-Integrator Ver.3.[]. For details, refer to the CX-One catalog (Cat. No. R134)	1 license *1	DVD *2	CXONE-AL01D-V4	-

*1. Multi licenses (3, 10, 30, or 50 licenses) and DVD media without licenses are also available for the CX-One.
*2. The CX-One is also available on CD (CXONE-AL[][]C-V4).

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			Model	Stand- ards
		Number of licenses	Media
Sysmac Studio Standard Edition Ver.1.[][]	The Sysmac Studio is the software that provides an integrated environment for setting, programming, debugging and maintenance of machine automation controllers including the NJ/NX-series CPU Units, NY-series Industrial PC, EtherCAT Slave, and the HMI. Sysmac Studio runs on the following OS. OS: Windows 7 (32-bit/64-bit version) / Windows 8 (32-bit/64-bit version) / Windows 8.1 (32-bit/64-bit version) / Windows 10 (32-bit/64-bit version) 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). Refer to your OMRON website for details.	- (Media only)	DVD	SYSMAC-SE200D	-
		1 license *	-	SYSMAC-SE201L	-

* Multi licenses are available for the Sysmac Studio (3, 10, 30, or 50 licenses).

last update: February 1, 2018

OMRON CJ1W-DRM21 specification

last update: August 21, 2013

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)
Communications distances for special 5-wire cables	Baud rate	Network length	Branch line length	Total branch line length
	500 kbps	100 m max.	6 m max.	39 m max.
	250 kbps	250 m max. *2	6 m max.	78 m max.
	125 kbps	500 m max. *2	6 m max.	156 m max.
Communications distances for special 4-wire flat cables	Baud rate	Network length	Branch line length	Total branch line length
	500 kbps	75 m max.	6 m max.	35 m max.
	250 kbps	150 m max.	6 m max.	48 m max.
	125 kbps	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

Specifications

Communications power supply voltage				11 to 25 VDC
Current consumption				Communications:18 mA max. Internal circuit: 290 mA max.
Max. number of connectable slaves	Remote I/O, explicit message service			63 *1
Max. number of I/O points	Fixed allocations		When used as a master	2,048 points
			When used as a slave	32 points
	User-set allocations	Using allocated DM Area words	When used as a master	16,000 points
			When used as a slave	3,200 points
		Using Configurator	When used as a master	32,000 points
			When used as a slave	4,800 points
Number of allocated words	Fixed allocations		When used as a master	64 input and 64 output words Software switch/status area: 25 words
			When used as a slave	1 input word, 1 output word *2
	User-set allocations	Using allocated DM Area words	When used as a master	500 input and 500 output words Software switch/status area: 25 words
			When used as a slave	100 input and 100 output words *2 Software switch/status area: 25 words
		Using Configurator	When used as a master	500 input words x 2 blocks, 500 output words x 2 blocks Software switch/Status area: 25 words
			When used as a slave	100 input words x 1 blocks, 100 output words x 2 blocks *2 Software switch/Status area: 25 words
Message com- munications	Max. message length			542 bytes *3
Applicable Controllers				CJ/NJ Series
Max. number of Units mountable to Controller	Fixed allocations			3
	User-set allocations			16
Weight				118 g max.

*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)

last update: August 21, 2013

• NO. CJ1W-DRM21
• TYPE:Programmable Controllers CJ1 CPU Bus Units
• DATE:2021-06-09
• Associated products:
  CJ1W-SCU CJ-series Serial Communications Units/Features CJ1W-IC / II CJ-series I/O Control Unit / I/O Interface Unit/Features