CJ1W-DRM21 High-Speed Data Transfer Module | DeviceNet Master Module for CJ1 PLC Series
SKU: CJ1W-DRM21Omron CJ1W-DRM21 DeviceNet Master Unit for CJ1 series PLCs. Enables high-speed communication and control of up to 63 DeviceNet slave devices in industrial automation networks.
Key Features
- DeviceNet Master functionality for CJ1 series PLCs with control of up to 63 slave nodes
- Dedicated communication processor for high-speed, deterministic network performance
- Supports both explicit messaging (parameter setup, diagnostics) and I/O messaging (real-time control)
- Seamless integration with CJ1 CPU unit via dedicated high-speed bus connection
- Comprehensive diagnostic functions for network monitoring and troubleshooting
DeviceNet Master Communication Module for Omron CJ1 Programmable Logic Controllers
The Omron CJ1W-DRM21 is a high-performance DeviceNet Master Unit designed for seamless integration with the CJ1 series of Programmable Logic Controllers (PLCs). This industrial communication module serves as a master station on the DeviceNet network, enabling centralized control and monitoring of up to 63 slave devices such as sensors, drives, I/O units, and valves. Featuring a dedicated high-speed processor for network management, the CJ1W-DRM21 offloads communication tasks from the main CPU, ensuring fast, deterministic data exchange and optimal PLC performance. With support for both explicit and I/O messaging, this module provides flexible connectivity for factory automation systems, supporting remote I/O control, device parameter configuration, and real-time diagnostics. Its rugged design is built for industrial environments, offering reliable operation in demanding applications including automotive manufacturing, material handling, and process control systems.
Technical Specifications
| Module Type | DeviceNet Master Unit |
|---|---|
| Compatible PLC Series | Omron CJ1 Series |
| Network Protocol | DeviceNet (Conformance Tested) |
| Maximum Slave Units | 63 nodes |
| Communication Speed | 125 kbps, 250 kbps, 500 kbps (selectable) |
| Connection Method | D-sub 5-pin connector (conforms to DeviceNet standards) |
| I/O Points | Up to 1600 input points and 1600 output points |
| Current Consumption | 5V DC, 0.45A (from PLC backplane) |
| Mounting | CJ1 Series CPU Rack or Expansion Rack |