Omron CJ1W-SCU22 2-Port RS-232C Serial Communication Unit

The Omron CJ1W-SCU22 is a powerful serial communication unit designed for the CJ-series and CJ2-series PLCs, offering flexible and high-speed data exchange via two RS-232C serial ports. Supporting a range of communication protocols—including Protocol Macro, Host Link, 1:N NT Link, No Protocol, MODBUS-RTU, MODBUS-ASCII, CompoWay/F, and Serial Gateway—this module allows seamless integration with a wide variety of field devices.

With transmission speeds up to 230 kbps, the CJ1W-SCU22 is ideal for applications requiring fast and reliable data exchange between PLCs and external devices such as barcode readers, inverters, sensors, and temperature controllers.

Technical Specifications

• Model: CJ1WSCU22
• Series: Omron CJ / CJ2
• Module Type: CPU Bus Unit – Serial Communication
• I/O System: CJ I/O Bus
• Communication Interfaces:
  • 2 × RS-232C Ports
  • Supports MODBUS Master/Slave, Host Link, Serial Gateway, Protocol Macro, NT Link, and CompoWay/F
• Maximum Baud Rate: 230 kbps
• Protocols Supported:
  • MODBUS-RTU (Master & Slave)
  • MODBUS-ASCII
  • Host Link
  • Protocol Macro
  • Serial Gateway
  • CompoWay/F
  • No Protocol
• IO-Link Master: Not applicable
• Dimensions (HxWxD): 90 x 31 x 65 mm
• Weight: 220 g

Key Features & Advantages

✅ Two independent RS-232C ports enable communication with multiple serial devices.

✅ Protocol versatility includes standard industrial communication formats such as MODBUS and Host Link.

✅ 230 kbps high-speed transmission for fast and efficient data transfer.

✅ Protocol Macro support allows users to define their own custom communication procedures.

✅ Compact DIN-rail form factor with easy integration into CJ-series PLC systems.

✅ Perfect for serial networking of barcode scanners, HMIs, drives, and more.

📦 Available from Drive Outlet Megastore

The CJ1W-SCU22 serial communication unit provides reliable and flexible connectivity for a wide variety of industrial devices. Fully compatible with the Omron CJ1 and CJ2 PLCs, it enables fast data integration in demanding environments.

Smart serial communication—Omron’s performance, Drive Outlet’s delivery.