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ABB TB850 CEX-Bus Terminator

ABB TB850 is a CEX-Bus Terminator used in ABB automation control systems. It is commonly applied in AC 800M controllers and the 800xA system to terminate the communication bus and ensure stable signal transmission.

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ABB TB850

ABB TB850 is a CEX-Bus Terminator used in ABB automation control systems. It is commonly applied in AC 800M controllers and the 800xA system to terminate the communication bus and ensure stable signal transmission.


1. Basic Product Information

  • Model: TB850

  • Order Number: 3BSC950193R1

  • Type: CEX-Bus Terminator

  • Manufacturer: ABB

  • Main Function: Terminates the CEX-Bus to prevent signal reflection and ensure reliable communication.


2. Main Functions

  • Bus Termination: Installed at the end of the CEX-Bus to provide proper impedance matching.

  • Signal Stability: Reduces signal reflection and communication interference.

  • System Reliability: Ensures stable communication between controller modules and communication interfaces.


3. Typical Applications

The TB850 is mainly used in ABB industrial automation systems, including:

  • Distributed Control Systems (DCS)

  • Power generation and power distribution systems

  • Oil and gas process control

  • Chemical and petrochemical plants

  • Large industrial automation control systems


4. System Compatibility

The TB850 is designed for use with ABB control platforms such as:

  • AC 800M controllers

  • ABB 800xA control system

  • Communication interface modules using the CEX-Bus

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