CJ1W-SCU42 | Omron Serial High-Speed Communication Unit RS-232C + RS-422/485 230kbps
Omron · Industrial Automation & Electrical
Description The Omron CJ1W-SCU42 Serial High-Speed Communication Unit is a dual-port communication module designed for use with Omron CJ-series PLC systems. It features one RS-232C port and one RS-422/485 port, supporting high-speed data transmission up to 230 kbps for flexible integration with MODBUS, Host Link, and other industrial serial communication protocols. Technical Specifications Condition New/Never Used Surplus Brand Omron Category Industrial Automation and Controls Part Number CJ1W-SCU42 Subcategory Communication Modules Series CJ1W Module Type Serial High-Speed Communication Unit System Interface CJ I/O Bus (CPU Bus Unit) Number of Ports 2 (1 × RS-232C, 1 × RS-422/485) Supported Protocols MODBUS RTU/ASCII, MODBUS Master/Slave, Host Link, CompoWay/F, Serial Gateway, No Protocol, Protocol Macro Communication Speed Up to 230 kbps Functionality Dual-port communication with configurable modes Supported Devices PLCs, drives, HMIs, sensors, barcode scanners, controllers Mounting Type DIN rail / PLC rack mount Input Voltage Supplied via CJ PLC backplane Indicators LED status indicators for TX/RX and power Dimensions (H × W × D) 90 mm × 31 mm × 81.9 mm Weight 190 g (approx.) Operating Temperature 0°C to 55°C (32°F to 131°F) Communication Standards RS-232C, RS-422, RS-485 compliant Ingress Protection IP20 (indoor, panel use) Certifications CE, UL, RoHS, REACH Country of Origin Japan Application PLC-to-device communication for industrial automation Information About CJ1W-SCU42 The CJ1W-SCU42 is part of the Omron CJ1W communication module family, engineered to expand PLC networking and serial communication capabilities. It supports a wide range of protocols, including MODBUS Master/Slave, CompoWay/F, Host Link, and Serial Gateway, making it suitable for connecting intelligent devices such as barcode readers, inverters, sensors, and external controllers. This unit connects directly to the CJ-series CPU Bus, enabling high-speed, reliable data exchange between serial devices and the PLC. Compact and lightweight, the module is easy to install in a DIN-rail-mounted PLC rack, and its 230 kbps maximum baud rate ensures smooth data flow in complex automation systems. Key Features: Dual Communication Ports: Includes one RS-232C and one RS-422/485 serial port for versatile connectivity. High-Speed Transmission: Supports communication speeds up to 230 kbps for fast data exchange. Protocol Flexibility: Compatible with MODBUS RTU/ASCII, Host Link, CompoWay/F, and Serial Gateway modes. Master/Slave Functionality: Operates as a MODBUS Master or Slave for integrated device control. Programmable Communication: Supports Protocol Macro for custom serial data structures. PLC Integration: Connects via the CJ I/O Bus as a CPU Bus Unit for direct CJ-series PLC communication. Compact Form Factor: 90 × 31 × 81.9 mm module fits easily into standard PLC configurations. Wide Application Range: Ideal for linking PLCs with external devices such as sensors, HMIs, drives, and instrumentation. The CJ1W-SCU42 delivers the reliability and precision required for high-performance serial communication in industrial automation networks.
Brand: Omron · Category: Industrial Automation & Electrical
Key features
- Dual Communication Ports: Includes one RS-232C and one RS-422/485 serial port for versatile connectivity.
- High-Speed Transmission: Supports communication speeds up to 230 kbps for fast data exchange.
- Protocol Flexibility: Compatible with MODBUS RTU/ASCII, Host Link, CompoWay/F, and Serial Gateway modes.
- Master/Slave Functionality: Operates as a MODBUS Master or Slave for integrated device control.
- Programmable Communication: Supports Protocol Macro for custom serial data structures.
- PLC Integration: Connects via the CJ I/O Bus as a CPU Bus Unit for direct CJ-series PLC communication.
- Compact Form Factor: 90 × 31 × 81.9 mm module fits easily into standard PLC configurations.
- Wide Application Range: Ideal for linking PLCs with external devices such as sensors, HMIs, drives, and instrumentation.
Specifications
| Manufacturer part number | CJ1W-SCU42 |
|---|---|
| Condition | New/Never Used Surplus |
| Brand | Omron |
| Category | Industrial Automation and Controls |
| Part Number | CJ1W-SCU42 |
| Subcategory | Communication Modules |
| Series | CJ1W |
| Module Type | Serial High-Speed Communication Unit |
| System Interface | CJ I/O Bus (CPU Bus Unit) |
| Number of Ports | 2 (1 × RS-232C, 1 × RS-422/485) |
| Supported Protocols | MODBUS RTU/ASCII, MODBUS Master/Slave, Host Link, CompoWay/F, Serial Gateway, No Protocol, Protocol Macro |
| Communication Speed | Up to 230 kbps |
| Functionality | Dual-port communication with configurable modes |
| Supported Devices | PLCs, drives, HMIs, sensors, barcode scanners, controllers |
| Mounting Type | DIN rail / PLC rack mount |
| Input Voltage | Supplied via CJ PLC backplane |
| Indicators | LED status indicators for TX/RX and power |
| Dimensions (H × W × D) | 90 mm × 31 mm × 81.9 mm |
| Weight | 190 g (approx.) |
| Operating Temperature | 0°C to 55°C (32°F to 131°F) |
| Communication Standards | RS-232C, RS-422, RS-485 compliant |
| Ingress Protection | IP20 (indoor, panel use) |
| Certifications | CE, UL, RoHS, REACH |
| Country of Origin | Japan |
| Application | PLC-to-device communication for industrial automation |
| Product type | Serial High-Speed Communication Unit |
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