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- ABB
- TB807
- Modulebus Terminator
- Sweden
- 17 mm × 13 mm × 19 mm
- 0.01kg
- 3BSE008538R1
- Xiamen, China
- New & In Stock
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All our products are priced very favorably because we have our own warehouse and supply.
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ABB TB807 (3BSE008538R1) Product Overview
Product Introduction
The ABB TB807, with part number 3BSE008538R1, is a Modulebus terminator designed for use in industrial automation communication networks. Its purpose is to provide proper termination of the Modulebus communication line used in distributed control systems (DCS) and I/O module networks. Terminators like the TB807 are essential for maintaining high signal integrity and stable data transmission by absorbing reflections on the bus line that would otherwise distort communication signals.
This compact device fits seamlessly into Modulebus racks and termination points, ensuring that distributed controllers and I/O modules in a large automation architecture can communicate without errors. It is designed to operate reliably under industrial environmental conditions and is compatible with ABB’s S800 I/O family and other Modulebus‑based networks.
Product Parameters
| Parameter | Specification |
|---|---|
| Model | ABB TB807 (3BSE008538R1) |
| Product Type | Modulebus Terminator |
| Function | Terminates Modulebus communication line to prevent signal reflections |
| Compatible System | Modulebus networks and S800 I/O system series |
| Input Voltage | 24 V DC (typical logic bus condition) |
| Protection Rating | IP20 |
| Operating Temperature | 0 °C to +55 °C |
| Storage Temperature | –25 °C to +70 °C |
| Relative Humidity | 5 % to 95 % non‑condensing |
| Pollution Degree | 2 |
| Protection Class | Class I |
| EMC Compliance | EN 61000‑6‑4 and EN 61000‑6‑2 |
| Mechanical Protection | Robust industrial module enclosure |
| Mounting | DIN‑rail / Modulebus rack |
| Dimensions (L × W × H) | 17 mm × 13 mm × 19 mm |
| Weight | 0.01 kg |
Product Applications
The ABB TB807 terminator is used in industrial automation and control scenarios where communication integrity on bus networks is critical:
• Distributed control systems (DCS) requiring stable bus communication across I/O modules.
• Process automation plants where data accuracy impacts safety and control logic.
• Factory automation lines with numerous sensors and actuator networks on Modulebus protocols.
• Energy, manufacturing, and utility control cabinets that use distributed I/O modules.
• Reducing communication errors on networks connecting PLCs, remote I/O racks, and field modules.
• Any bus‑based communication system where termination is necessary to prevent signal reflection.
Product Advantages
• Ensures Signal Integrity: Terminators like the TB807 minimize reflections and distortions on Modulebus lines, ensuring reliable data transmission.
• Compact Size: Its very small footprint allows integration in crowded automation panels and communication racks.
• Low Weight: Light construction simplifies mounting and doesn’t add mechanical load to bus racks.
• Industrial‑Grade Design: Built to operate over wide temperature ranges and withstand typical industrial conditions.
• Standard Compliance: Meets industrial EMC and safety standards for reliable operation in automation environments.
• Easy Installation: Mounts directly on Modulebus racks or DIN rails without additional tools.
• Passive Operation: No configuration or power input control needed — simply terminates the line.
• Reliable Performance: Designed for long‑term use in automated systems with minimal maintenance.
Brand and Series Information
• Brand: ABB
• Series: Modulebus Terminators — communication network termination components for distributed automation systems.
Recommended Related Models (Same Series or Network Components)
| Model | Function | Dimensions (mm) | Weight (kg) |
|---|---|---|---|
| TB801 | Network Terminator (Modulebus) | 17 × 13 × 19 | 0.01 |
| TB802 | Line Terminator for I/O Bus | 18 × 14 × 20 | 0.02 |
| TB803 | High‑speed bus Terminator | 20 × 15 × 22 | 0.02 |
| TB810 | Redundant bus Terminator | 25 × 18 × 25 | 0.03 |
| TB820 | Differential bus terminator | 22 × 16 × 24 | 0.025 |
These parts are typically used in similar distributed control and communication network environments and serve related signal integrity roles.
Recommended Popular Models (Same Brand)
| Model | Type | Primary Function | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| D16 | Solid‑State Relay | Switching low to mid power loads | 85 × 30 × 55 | 0.23 |
| D25 | Solid‑State Relay | Higher current load switching | 90 × 35 × 60 | 0.30 |
| D40 | Solid‑State Relay | Up to 40 A switching | 120 × 50 × 80 | 0.52 |
| T7 | Control Relay | Logic and control circuits | 70 × 25 × 45 | 0.18 |
| T9 | Control Relay | Broader voltage and control range | 80 × 30 × 50 | 0.20 |
FAQ – ABB TB807
Q1: What is the primary function of the TB807?
A1: It is a Modulebus terminator that prevents signal reflections and maintains communication integrity on distributed control networks.
Q2: Where is the TB807 typically used?
A2: In distributed control systems and automation cabinets with Modulebus bus networks.
Q3: What are its physical dimensions?
A3: It measures approximately 17 mm × 13 mm × 19 mm.
Q4: How much does the TB807 weigh?
A4: The unit weighs about 0.01 kg.
Q5: Does the TB807 require configuration or power input to operate?
A5: No, it is a passive terminator that does not require configuration or active power control.
Q6: What temperature range can it withstand?
A6: It is designed to operate between about 0 °C and +55 °C, with safe storage down to about –25 °C.
Q7: What protection rating does the TB807 have?
A7: It has an IP20 protection rating suitable for industrial panel environments.
Q8: Why is termination important in bus networks?
A8: Proper termination eliminates signal reflections that can corrupt data, ensuring accurate communication between devices.
Q9: Can the TB807 be mounted in standard automation racks?
A9: Yes, it is designed for DIN‑rail or Modulebus rack mounting.
Q10: Is it compatible with different ABB automation systems?
A10: Yes, it works with Modulebus networks including the S800 I/O family and related communication architectures.