CJ1W-DRM21 DeviceNet Slave Unit with 64 I/O Points for PLC Connectivity

Product Overview

The Omron CJ1W-DRM21 is a high-performance DeviceNet slave unit designed for seamless integration into CJ-series Programmable Logic Controller (PLC) systems. This industrial automation component enables reliable communication between the PLC and DeviceNet-compatible field devices, facilitating efficient data exchange and real-time control in demanding manufacturing environments. Engineered for durability and precision, this unit supports distributed control architectures while maintaining robust network performance.

Key Features and Benefits

• High-Density I/O Capacity: Supports up to 64 inputs and 64 outputs (maximum 512 points per network) for comprehensive device connectivity
• Compact Industrial Design: Space-saving dimensions of 31 mm (W) × 90 mm (H) × 65 mm (D) with only 200 g weight for easy panel integration
• Optimized Power Efficiency: Low power consumption of 100 mA maximum at 5 V DC reduces energy requirements
• Configurable Network Performance: Selectable communication speeds of 125 kbps, 250 kbps, or 500 kbps to match application requirements
• Robust Environmental Tolerance: Operates reliably in industrial temperature ranges from 0°C to 55°C with storage capability from -25°C to 65°C
• Simplified Configuration: Intuitive rotary switch (0-63) for node address setting eliminates complex programming
• Reliable Warranty Protection: Backed by Omron's standard 1-year manufacturer warranty for peace of mind

Industrial Applications

• Factory Automation Systems: Enables real-time monitoring and control of production line devices including sensors, actuators, and drives
• Material Handling Solutions: Ideal for conveyor systems, automated storage, and retrieval systems requiring distributed I/O
• Packaging Machinery: Provides synchronized communication between multiple packaging devices and central control systems
• Automotive Assembly Lines: Supports complex manufacturing processes with reliable device networking capabilities
• Food and Beverage Processing: Facilitates equipment integration in hygienic production environments

Detailed Technical Specifications

Parameter	Specification
Model Number	CJ1W-DRM21 (Omron genuine part)
I/O Capacity	64 inputs / 64 outputs (maximum 512 points per DeviceNet network)
Physical Dimensions	31 mm (Width) × 90 mm (Height) × 65 mm (Depth)
Unit Weight	200 grams (excluding packaging)
Power Requirements	5 V DC, 100 mA maximum current draw
Network Communication	DeviceNet protocol with selectable baud rates: 125/250/500 kbps
Operating Conditions	0°C to 55°C (32°F to 131°F), 10% to 90% RH (non-condensing)
Storage Conditions	-25°C to 65°C (-13°F to 149°F), 10% to 90% RH (non-condensing)
Node Configuration	Mechanical rotary switch for address setting (0 to 63)
Compatibility	Designed for Omron CJ-series PLC systems
Warranty	1-year manufacturer warranty against defects

Integration and Performance

The CJ1W-DRM21 DeviceNet slave unit delivers exceptional performance in industrial networking applications. Its rugged construction ensures reliable operation in challenging environments, while the compact form factor allows for flexible installation in control panels. The unit's selectable communication speeds provide adaptability to various network requirements, from simple device monitoring to high-speed control applications. As part of Omron's comprehensive industrial automation portfolio, this DeviceNet interface module maintains the company's reputation for quality and reliability in factory automation solutions.