Omron CJ1W-DRM21 | DeviceNet Master/Slave Unit

Omron CJ1W-DRM21 | DeviceNet Communication Module – Master/Slave for CJ-Series

Overview

The Omron CJ1W-DRM21 is a DeviceNet master/slave communication module designed for integration into Omron CJ-series PLCs. It enables the controller to function as either a master or slave on a DeviceNet network, allowing for flexible communication with remote I/O, sensors, actuators, and other networked devices.

With real-time data exchange and robust network diagnostics, this unit is ideal for distributed control systems and modular automation environments.

Key Features

• Dual Functionality – Operates as a DeviceNet master or slave

• Seamless Integration – Designed for CJ-series Omron PLC racks

• High-Speed Communication – Real-time data exchange with field devices

• Network Diagnostic Functions – For easy troubleshooting

• Compact & DIN Rail Mountable – Space-saving installation

Technical Specifications

• Catalog Number: CJ1W-DRM21

• Network Type: DeviceNet (Open Network)

• Communication Mode: Master or Slave

• Baud Rate: 125 kbps, 250 kbps, 500 kbps (selectable)

• Max Number of Nodes: Up to 63

• Mounting: CJ-Series PLC backplane

• Power Supply: Via CJ-series base unit

• Operating Temperature: 0°C to +55°C

• Weight: Approx. 150 g

Applications

• Distributed Control Systems – Modular expansion of I/O and devices

• Machine Automation – Communication with sensors, drives, actuators

• Factory Networking – Efficient and standardized device integration

Why Choose the CJ1W-DRM21?

• Omron reliability for industrial network communication

• Flexible master/slave functionality

• Supports multi-vendor DeviceNet device communication

Order Now

In stock and ready for global delivery. Fully compatible with CJ-series PLCs and DeviceNet-certified devices.

NEW product in original sealed packaging. The product may be of older version or design. The packaging may have markings, signs of discoloration, and wear. DDPARTSSOLUTION Warranty: 1 Year. Manufacturer's Warranty and Support NEVER apply