Abb 103-342-4

1. Basic Product Information

Item	Details
Full Model Number	COZBU 103 342/4 R1J
Product Series	ABB EXLAN-HW PCB Board
Product Type	Communication Interface Module / Control Card
Matching Model	ROFBU 367 025/71
Serial Number	SL NO 3772214841
Manufacturer	ABB (Switzerland/Sweden)

2. Product Features

2.1 Core Advantages

• High-performance Industrial Communication Component: It delivers stable and reliable communication performance, supporting equipment interconnection and data exchange for industrial control systems.
• Multi-protocol Support: Compatible with a variety of mainstream industrial communication protocols, including Ethernet, Profibus and other standard protocols to meet diverse industrial connection requirements.
• Modular Design: The standardized modular structure facilitates system integration, on-site installation, subsequent maintenance and functional expansion, improving system flexibility and scalability.
• High-speed Data Transmission: Capable of meeting the high-precision and high-speed data transmission requirements of complex automatic control systems, ensuring real-time and accurate data interaction.

2.2 Technical Characteristics

• Equipped with definite-time and inverse-time tripping characteristics, which can be flexibly selected according to actual application requirements.
• Supports two-level ground fault monitoring (IE, IE>>) to effectively monitor circuit operating status and improve system safety.
• Built-in self-test system to real-time monitor the operating status of the module and ensure stable operation of the equipment.

3. Product Structure and Composition

3.1 Hardware Components

• Main Circuit Board (COZBU 103 342/4 R1J): The core communication processing unit of the product, responsible for core data processing, signal conversion and communication scheduling.
• Matching Board Card (ROFBU 367 025/71): Extended interface module, used to expand product communication interfaces and enrich connection functions.
• Industrial Connector: Professional industrial-grade connector for physical equipment connection and stable signal transmission.

3.2 Software Characteristics

• Supports mainstream industrial communication protocol stacks to adapt to various industrial control scenarios.
• Configurable parameters, including equipment acquisition settings and channel configuration (T on/T off).
• Built-in event detection and delay calculation functions to realize intelligent monitoring and data analysis.

4. Partial Technical Parameters

The complete official specification is not publicly available. The following are the verified available technical and commercial parameters:

Parameter Category	Details
Product Version	R1J, R1H, etc.
Product Condition	New / Unused / Second-hand Available
Supply Status	In Stock
Warranty Period	12 Months
Delivery Cycle	1-2 Weeks
Serial Number	SL NO 3772214841

5. Application Fields

This ABB industrial communication module is widely used in multiple professional industrial and commercial scenarios due to its stable performance and strong compatibility:

• Industrial Automation: Production line control systems, PLC data communication and industrial equipment interconnection.
• Energy Management: Power system real-time monitoring, power distribution automation and energy data collection.
• Building Automation: Intelligent building control systems, supporting unified scheduling and signal transmission of building electromechanical equipment.
• Transportation and Logistics: Control and real-time monitoring of transportation operation systems.
• Robot Control: Communication interface connection and data interaction for industrial robots.
• Medical Equipment: Data communication and signal transmission of professional medical instruments.
• Power Plant Control System: Furnace Control System (FCS) for thermal power plants and other core power plant control scenarios.

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