Part Number - CJ1W-DRM21

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Product Details

  • CJ1 Control Module with DeviceNet (CJ1WDRM21)
  • Manufacturer: Omron
  • Series: CJ1

Product Description

The Omron CJ1W-DRM21 (CJ1WDRM21) is a CJ1 control module with DeviceNet. This control module can only work in an Omron configuration. This may be connected to a remote Input output terminal if the DRT2 series that acts as a slave in the master/slave relationship. This DRT2 may connect with a myriad of other DRT2-series terminals using the DeviceNet system whose provenance is in the CJ1W-DRM21 control module. All these control module terminals act as smart slaves for a personal computer that behaves as a DeviceNet configuring for the entire system.

The CJ1W-DRM21 control module has a communication connector at the base of the module. This connector attached this control module the network by a cable. The power for the communication of this module is contributed by this connection to this connector. Above the connector is a 4-pin DIP switch. Pin 1 and 2 control the baud rate, while pin 3 can resume or cease communications when there is error if the CJ1W-DRM21 module is being employed as a master, finally the 4th pin can hold or clear inputs and outputs for communication errors if the module is used as a slave. Lastly, above that there are three switches: a unit number switch and two node address switch. The unit switch sets the will set the unit number that the CJ1W-DRM21 is within the configuration. The node switches manage the node address.

The CJ1W-DRM21 control module has a power supply voltage whose ambit is between 11 to 25VDC. The current consumption is 18mA for communications and 290mA for the internal circuit.

Here is the source material that may have been referenced:

Technical Specifications

Part Number: CJ1W-DRM21 (CJ1WDRM21)
Module Type: Control Module with DeviceNet
Power Supply: 24VDC
Weight: 0.26lbs (0.118kg)

Related Parts

CJ1M-CPU12 - Omron CJ1 Programmable Control Module (CJ1MCPU12)
CJ1M-CPU13 - Omron CJ1 Control Module (CJ1MCPU13)
CJ1M-CPU21 - Omron CJ1 Control Module (CJ1MCPU21)

Shipping and Order Information

  • TRW Supply can usually ship in stock items same day before 3:30 PM EST for no extra cost and before 5 PM with a rush fee
  • Omron CJ1 Shipping options vary by location. Call for an accurate quote.


  • The Omron CJ1W-DRM21 comes with a one-year warranty.

Additional Information

TRW Electric & Supply Company is a global automation supplier. We deliver reliable new and refurbished parts at a great value. Our product focus is Omron and Mitsubishi products, but we have been able to provide our customers with solutions from other manufacturers as well. Our goal is to supply the automation industry with the best service and pricing, and of course conduct business with a high level of integrity.

Authorized Distributors

A Omron Authorized Distributor for CJ1 is not the only source for Omron products. Many of the Omron products have been discontinued and therefore are no longer available from authorized suppliers. Omron Authorized Supplier of Omron Automation. TRW Electric & Supply has many new and refurbished Omron CJ1 parts available for purchase.

More Information: CJ1 W DRM 21, CJ1W DRM 21, CJ1WDRM21, CJ1 WDRM 21

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