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ABB 3BSE061637R1 TB826

1. Product Overview

The ABB 3BSE061637R1 TB826 is a Single Mode Optical Media Converter designed for the ABB S800 I/O system and System 800xA distributed control system (DCS). It provides long-distance optical ModuleBus communication by converting between short-distance plastic/HCS optical fiber and single-mode glass fiber with an SC connector.

The TB826 is built using S800L mechanics and supports DIN rail mounting, making it suitable for industrial control cabinets where extended communication distances are required.

2. Technical Parameters

3. Product Features

Long-Distance Optical Communication

• Converts between:
  • Plastic optical fiber / HCS fiber with versatile link connector
  • Single-mode glass optical fiber with SC connector
• Enables extended ModuleBus communication distances.

Extended Network Range

• Supports optical ModuleBus distribution up to 5000 m per cluster in star configurations.
• In S800 I/O High Integrity (HI) applications, some configurations support longer communication distances.

Industrial Installation

• DIN rail mounting for easy cabinet installation.
• Designed for ABB S800 I/O modular process automation environments.

4. Structural Composition

The TB826 mainly consists of:

• Optical fiber conversion interface
• ModuleBus communication interface
• 24 V DC power input circuit
• Status indication LEDs
• DIN rail mounting housing
• S800L-compatible mechanical structure

It functions as a communication bridge between local S800 I/O modules and remote optical ModuleBus networks.

5. Application Fields

The ABB TB826 is commonly used in:

• ABB System 800xA DCS
• S800 I/O remote I/O systems
• Power generation plants
• Oil & gas facilities
• Chemical processing plants
• Water treatment systems
• Large industrial automation networks

Typical applications include extending I/O communication distances between control rooms and remote field cabinets.

6. Advantages

• Supports long-distance fiber communication
• Reduces electromagnetic interference compared with copper communication
• Compatible with ABB S800 I/O architecture
• Compact DIN rail installation
• Suitable for harsh industrial environments

7. Conclusion

The ABB 3BSE061637R1 TB826 is a specialized single-mode optical ModuleBus media converter for ABB automation platforms. It provides reliable long-range communication between S800 I/O clusters and controllers, making it an important component for large-scale distributed control installations requiring high-speed and interference-resistant communication.