CJ1W-CRM21

Overview of "Omron CJ1W-CRM21"

The Omron CJ1W-CRM21 is a CompoNet Master Unit designed for the CJ-series PLCs, enabling high-speed industrial communication and control of multiple I/O devices. It supports up to 64 slave units and up to 2,560 I/O points, facilitating efficient network management and data exchange in complex automation systems.

Key Features of "Omron - CJ1W-CRM21"

• Network Type: CompoNet field network for sensor and actuator communication.
• Max Number of Slaves: Supports up to 64 slave units.
• Max I/O Points: Controls up to 2,560 I/O points across the network.
• Communication Speeds: Selectable baud rates of 4 Mbps, 3 Mbps, 1.5 Mbps, and 93.75 kbps.
• Communication Protocol: Base-band Manchester coding with error detection via CRC.
• Power Consumption: 0.38 A at 5 V DC.
• Mounting: Mounts on CJ-series PLC rack backplane for easy integration.
• Memory and Control: Intuitive memory mapping separates word and bit slave unit areas for efficient programming.
• Diagnostics: Seven-segment display for startup and troubleshooting assistance.
• Compatibility: Integrates seamlessly with NJ and CJ series controllers.
• Operating Temperature: 0°C to 55°C for industrial environments.
• Dimensions & Weight: 90 mm height, 31 mm width, 80.7 mm depth, weighing approximately 130 g.

Technical Specs of "CJ1W-CRM21"

Applications / Use Case

The Omron CJ1W-CRM21 is ideal for managing large decentralized I/O systems in factory automation, process control, and complex manufacturing lines. Its high-speed communication and flexible configuration help optimize control system performance and reduce wiring complexity.