Product Introduction
The ABB TC811 3BSE078714R1 Fiber Ethernet Adapter is an industrial-grade communication module designed to provide reliable and deterministic fiber-optic Ethernet connectivity within ABB control and automation systems. It is primarily used to extend Ethernet communication over long distances while maintaining high noise immunity and signal integrity in harsh industrial environments.
This adapter supports 100BASE-FX fiber Ethernet communication and is specifically engineered for integration with ABB Select I/O architectures and distributed control systems. By using single-mode fiber technology, the TC811 enables stable data transmission over distances far beyond the limits of copper Ethernet, making it suitable for geographically dispersed installations such as power plants, substations, offshore platforms, and large manufacturing facilities.
The TC811 is built to meet stringent industrial requirements, including wide operating temperature ranges, resistance to electromagnetic interference, and compliance with international insulation and pollution standards. Its compact mechanical design allows easy installation in dense control cabinets while ensuring long-term operational stability.
Product Specifications
| Parameter | Description |
|---|---|
| Product Type | Fiber Ethernet Adapter |
| Ethernet Standard | 100BASE-FX |
| External Interface | Fiber optic Ethernet |
| Connector Type | LC connector |
| Number of External Ports | 2 |
| Fiber Type | 9/125 µm single-mode fiber |
| Nominal Wavelength | 1310 nm |
| Maximum Cable Length | 27.5 km |
| Operating Temperature | −40 °C to +65 °C |
| Storage Temperature | −40 °C to +85 °C |
| Relative Humidity | 5–95 %, non-condensing |
| Pollution Degree | Pollution Degree 2 according to IEC 60664-1 |
| Installation Altitude | −1000 to 5000 m (restrictions apply) |
| Mechanical Compatibility | Select I/O systems |
| Dimensions | 110 × 24.5 × 101.3 mm |
| Weight | 0.161 kg |
Applications
• Long-distance Ethernet communication between distributed control cabinets in large industrial plants
• Noise-immune networking in environments with high electromagnetic interference, such as substations and heavy industrial zones
• Remote I/O connectivity within ABB Select I/O and automation architectures
• Process automation systems requiring deterministic and stable Ethernet data transfer
• Energy and utility installations, including power generation, transmission, and distribution facilities
• Offshore and infrastructure projects where copper Ethernet distance limitations cannot be met
Advantages
• Extended communication distance enabled by single-mode fiber, supporting links up to 27.5 km
• High resistance to EMI and electrical noise, ensuring reliable operation in harsh industrial environments
• Wide operating temperature range, suitable for extreme climate and outdoor installations
• Industrial compliance with IEC pollution degree requirements for safe long-term deployment
• Compact and lightweight design, simplifying cabinet layout and system expansion
• Seamless integration with ABB Select I/O and Ethernet-based automation systems
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