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TB807 3BSE008538R1 Module Bus Terminator

1. Product Title

TB807 3BSE008538R1 Module Bus Terminator (Dedicated for Industrial Bus Signal Termination & Matching)

2. Product Data

The TB807 3BSE008538R1 is an industrial-grade module bus terminator, specifically engineered for industrial control system bus networks (e.g., Profibus, Modbus). It integrates a precision matching resistor to suppress signal reflection at the end of the bus, preventing data transmission errors caused by signal distortion. With an operating voltage of 24V DC, it is compatible with typical bus topologies and serves as a critical component for optimizing signal integrity in long-distance or multi-node bus networks. It is widely used in automation systems, PLC/DCS networks, and industrial instrument bus loops.

3. Product Description

This terminator features a compact, DIN rail-mountable design, enabling easy integration into standard control cabinets without occupying excessive space. It supports "plug-and-play" installation via dedicated bus connectors, eliminating the need for complex wiring and reducing on-site commissioning time. The module is built with industrial-grade components, ensuring stable operation within a temperature range of -25℃~+60℃ and resistance to electromagnetic interference (EMI) in harsh industrial environments. It also includes LED status indicators to visually confirm power supply and bus connection status, facilitating quick fault diagnosis. Additionally, it complies with industrial safety standards, providing overload protection for the bus circuit.

4. Detailed Parameters

Parameter Category	English Parameters
Function	Bus signal termination, reflection suppression
Compatible Protocols	Profibus, Modbus, and other mainstream industrial bus protocols
Matching Resistor Value	120Ω (precision ±1%)
Operating Voltage	24V DC (±10% tolerance)
Operating Temperature	-25℃~+60℃
Protection Class	IP20 (module body)
Installation Method	35mm standard DIN rail mounting
Connector Type	Dedicated industrial bus connector (matching bus module interface)
Power Consumption	≤1W
Status Indication	LED (power on: green; bus normal: blue)
Dimensions (L×W×H)	80mm×60mm×30mm (typical)

5. Advantages & Features

① Effective Reflection Suppression: 120Ω precision resistor eliminates bus signal reflection, ensuring data transmission accuracy; ② Wide Compatibility: Works with Profibus, Modbus, and other common industrial bus protocols; ③ Easy Installation: DIN rail mounting + plug-and-play design simplifies system integration; ④ Harsh Environment Adaptability: -25℃~+60℃ operating range and EMI resistance suit industrial sites; ⑤ Status Visibility: LED indicators enable real-time monitoring of power and bus status for quick troubleshooting.

6. Application Fields

① PLC/DCS Systems: Termination of Profibus/Modbus bus networks in control systems; ② Smart Manufacturing: Signal optimization for production line sensor/actuator bus loops; ③ Energy Industry: Bus termination for wind farm, photovoltaic inverter control networks; ④ Process Industry: Signal stabilization for chemical, metallurgical industrial instrument buses; ⑤ Infrastructure: Bus end matching for water treatment, smart grid control system buses.

7. Precautions

① Confirm the bus protocol matches the terminator’s compatible range before installation; ② Install only at the end node of the bus topology (do not install in middle nodes to avoid signal interference); ③ Ensure the operating voltage (24V DC) matches the system power supply to prevent module damage; ④ Avoid installation near strong magnetic field sources (e.g., large transformers) to prevent EMI-induced malfunctions; ⑤ Regularly check connector tightness and LED status to ensure stable bus operation

The structure and details of the product：

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TB807 3BSE008538R1 Module Bus Terminator

TB807 3BSE008538R1 Module Bus Terminator

1. Product Title

2. Product Data

3. Product Description

4. Detailed Parameters

5. Advantages & Features

6. Application Fields

7. Precautions

ABB

TB807 3BSE008538R1

PLC modules

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