Omron CJ1W-SCU31-V1 | 2-Port RS-232C/RS-422A/485 Serial Unit

Omron CJ1W-SCU31-V1 | Flexible Serial Communication Expansion for Omron CJ PLCs

Overview

The Omron CJ1W-SCU31-V1 is a 2-port serial communication unit for CJ-Series PLCs, supporting both RS-232C and RS-422A/485 interfaces. It allows direct and efficient connection to external devices such as barcode readers, HMIs, inverters, and other controllers. The unit supports multiple protocols and ensures high-speed, stable communication across industrial environments.

Key Features

• 2 Serial Ports: Configurable for RS-232C or RS-422A/485 communication

• Multi-Protocol Support: Protocol Macro, Host Link, No-Protocol, NT Link, Modbus (via function blocks)

• Flexible Baud Rates: Up to 115.2 kbps per channel

• Easy Integration: DIN rail mount and direct compatibility with Omron CJ-Series PLCs

• Reliable Communication: Built-in buffer memory for stable data transmission

• Compact Design: Minimal panel space required for installation

Technical Specifications

• Model Number: CJ1W-SCU31-V1

• Communication Ports: 2 (RS-232C/RS-422A/485 selectable)

• Baud Rate: 300 to 115.2 kbps

• Data Format: 7/8 data bits, 1/2 stop bits, odd/even/no parity

• Power Supply: 5 VDC (from PLC backplane)

• Power Consumption: Approx. 0.45 A

• Mounting Type: DIN rail

• Operating Temperature: 0°C to 55°C

• Dimensions: Approx. 90 mm (H) × 31 mm (W) × 85 mm (D)

• Certifications: CE, cULus

Applications

• Barcode and RFID Reader Integration

• Serial Communication with Drives and HMIs

• PLC-to-PLC Networking

• Data Collection from Weighing Systems and Sensors

Why Choose Omron CJ1W-SCU31-V1?

• Dual-port design for simultaneous connection to two devices

• Supports multiple protocols for flexible system configurations

• Compact and reliable for tight industrial spaces

• Seamless compatibility with Omron CJ1 and CJ2 PLC systems

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Omron CJ1W-SCU31-V1 dual-port serial unit with RS-232C/RS-422A/485 support for CJ-Series PLCs, ideal for device integration.

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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