Omron CJ1W-SCU42 | 2-Port Serial Communication Unit

Omron CJ1W-SCU42 | Flexible Serial Interface for Multi-Device Connectivity

Overview

The Omron CJ1W-SCU42 is a 2-port serial communication unit designed for CJ-Series PLCs, supporting both RS-232C and RS-422A/485 interfaces. This module allows for serial communication with various field devices such as barcode readers, printers, sensors, and other PLCs, offering flexibility in automation systems that require serial data exchange.

Key Features

• Two Independent Ports: Each port configurable for either RS-232C or RS-422A/485

• Baud Rate: Up to 115.2 kbps per port

• Protocol Support: Host Link, NT Link, no-protocol, Modbus (via function blocks), and user-defined

• Versatile Wiring: DIP switch settings allow individual port configuration

• Integration: Easily fits into CJ-Series CPU rack or expansion rack

• Data Handling: Capable of both point-to-point and multidrop communication setups

Technical Specifications

• Model Number: CJ1W-SCU42

• Number of Ports: 2

• Supported Interfaces: RS-232C, RS-422A/485

• Maximum Baud Rate: 115.2 kbps

• Mounting: DIN rail

• Power Supply: 5 VDC from PLC bus

• Power Consumption: Approx. 0.45 A

• Operating Temperature: 0°C to 55°C

• Dimensions: 31 mm (W) × 90 mm (H) × 83 mm (D)

• Weight: Approx. 200 g

• Certifications: CE, cULus

Applications

• Barcode and RFID Readers

• Serial Printers and Scanners

• Weighing Systems

• Legacy Equipment Integration

• Multi-Device Field Communication

Why Choose Omron CJ1W-SCU42?

• Dual-port design supports simultaneous communication with multiple serial devices

• Flexible protocols make integration with diverse hardware easy

• Reliable performance backed by Omron’s industrial standards

• Compact form fits neatly in CJ-Series systems