CJ1W-DRM21 DeviceNet Master/Slave Unit for CJ-Series | Omron

The Original New Omron CJ1W-DRM21 is a DeviceNet master/slave unit for SYSMAC CJ-series PLCs, enabling seamless integration of Omron PLCs into DeviceNet fieldbus networks. This CPU Bus Unit provides both master and slave functionality simultaneously, supporting up to 32,000 I/O points per master. It offers flexible remote I/O communications with fixed or user-set allocations, message communications, and advanced configuration options to streamline system design and commissioning. The unit supports both multi-drop and T-branch connections, making it suitable for factory automation, material handling, and process control applications.

Core Engineering Highlights:
Master and slave functionality simultaneously | Controls up to 32,000 points (2,000 words) per master | 500/250/125 kbps selectable baud rates | 64 max nodes per network | 63 max connectable slaves | 1 unit number allocation | 0.29 A @ 5 V DC current consumption | 120 g weight

Key Features:

• Original New Omron CJ1W-DRM21 module

• DeviceNet master and slave functionality in a single unit

• Controls up to 32,000 points per master (2,000 words)

• Remote I/O communications master (fixed or user-set allocations)

• Remote I/O communications slave (fixed or user-set allocations)

• Selectable baud rates: 125 kbps, 250 kbps, or 500 kbps

• Supports up to 64 nodes per network

• Multi-drop and T-branch connection methods

• Configuration via CX-Integrator software

• Upload/download of master/slave settings via Memory Card

• LED indicators for communication and module status

• CE, UL, NK, Lloyd's Register certified

Applications:

• Factory automation and production line control

• Material handling and conveyor systems

• Packaging machinery

• Automotive assembly lines

• Process control and monitoring

• Distributed I/O systems with DeviceNet slave devices

Technical Specifications:

System Compatibility:

• Compatible with Omron SYSMAC CJ-series PLCs

• Compatible with NJ-series Machine Automation Controllers

• Supports DeviceNet remote I/O stations, remote device stations, and intelligent device stations

• Configuration via CX-Integrator (CX-One software package)

• Simple backup function not supported for NJ-series

Related Products:

• CS1W-DRM21-V1 – DeviceNet unit for CS-series (similar functionality)

• DRT2 series – DeviceNet remote I/O slave terminals

• XWT series – DeviceNet remote I/O terminals

• 3G8F7-DRM21 – DeviceNet PCI board for PC interface

• CX-One – FA Integrated Tool Package including CX-Integrator

• Sysmac Studio – Automation software for NJ/NX-series

PLC ERA is an independent industrial automation distributor supplying genuine Original New products through established global supply channels. All products are factory sealed when applicable and undergo quality inspection prior to shipment. Omron, SYSMAC, and DeviceNet are trademarks of Omron Corporation.