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- ABB
- TC520
- System Status Collector
- Sweden
- 65 × 18 × 50 mm
- 0.06kg
- 3BSE001449R1
- Xiamen, China
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Product Overview: ABB TC520 (3BSE001449R1)
Brand & Series
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Brand: ABB
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Series: S800 / AC 800M / 800xA Automation Accessories
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Product Type: Termination and Coupling Module for S800 I/O Systems
Product Description
The TC520 (3BSE001449R1) is a termination and coupling module designed for ABB’s S800 series I/O systems. It functions as an interface between I/O modules and the distributed bus, ensuring reliable signal transmission and proper termination at the end of S800 bus segments.
The module is compact, lightweight, and DIN-rail mountable, suitable for industrial environments. Its passive design eliminates the need for external power and reduces maintenance requirements. TC520 provides robust signal integrity, preventing reflections and disturbances that could compromise bus communication in AC 800M and 800xA control systems.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | TC520 |
| Part Number | 3BSE001449R1 |
| Function | Termination and coupling module |
| Bus Compatibility | S800 I/O bus |
| Voltage Requirement | Passive, no external power required |
| Bus Connector | 25‑pin DB25 female / S800 bus compatible |
| Mounting Type | DIN rail / Panel mount |
| Dimensions (H×W×D) | 65 × 18 × 50 mm |
| Weight (kg) | 0.06 |
| Operating Temperature | 0–55 °C |
| Storage Temperature | −40–+70 °C |
| Humidity | 5–95 % non-condensing |
| Environmental Compliance | RoHS, CE, UL |
| Compatibility | S800 I/O, AC 800M, 800xA systems |
Applications
TC520 is designed for industrial automation where reliable communication and proper bus termination are required:
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Termination and coupling of S800 I/O buses
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Process automation in chemical, petrochemical, and pharmaceutical industries
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Power generation and distribution monitoring systems
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Water and wastewater treatment automation
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Manufacturing production line automation
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Mining and raw material processing systems
It ensures error-free communication by preventing signal degradation and reflections in complex I/O networks.
Key Advantages
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Enhanced Signal Integrity: Prevents reflections and ensures stable communication across S800 buses.
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Compact & Lightweight: Small footprint, weight 0.06 kg, easy to install in control cabinets.
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Maintenance-Free: Passive design eliminates power requirements and reduces service needs.
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Flexible Installation: DIN rail or panel mounting supported.
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Industrial Compatibility: Works seamlessly with AC 800M and 800xA distributed control systems.
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Durable Design: Can withstand wide ranges of temperature and humidity in industrial settings.
Recommended Related Models (Same Series / Similar Function)
| Model | Description | Basic Parameters |
|---|---|---|
| TC512 | Termination & coupling module | 60×18×48 mm, Weight 0.05 kg, passive |
| TC511 | S800 bus termination module | DIN rail mount, passive |
| TC513 | Coupling and termination module | Signal isolation, passive, S800 compatible |
| TU845 | S800 I/O termination unit | DIN rail mount, passive |
| CI872K01 | AC 800M communication interface | Interface module for bus networks |
Popular ABB Models (Other Hot Units)
| Model | Category | Key Features |
|---|---|---|
| PM861AK01 | AC 800M CPU module | Central controller CPU for AC 800M |
| PM867 | High-end processor | Redundant CPU, advanced computing |
| AI810 | Analog Input Module | 8-channel AI for S800 systems |
| DP840 | Pulse Counter Module | Specialty I/O for counting and measurement |
| CI840A | Profibus DP Interface | Communication interface for Profibus networks |
FAQ (10 Q&A)
Q1: What is the main function of TC520?
A1: TC520 terminates and couples S800 I/O bus segments, ensuring signal integrity and proper isolation.
Q2: Does TC520 require power?
A2: No, it is a passive module and does not require external power.
Q3: Where should TC520 be installed?
A3: On DIN rails or panels within S800 I/O networks in control cabinets.
Q4: Which systems is TC520 compatible with?
A4: S800 I/O modules in AC 800M and 800xA distributed control systems.
Q5: Can TC520 be reused in another project?
A5: Yes, if it remains functional and installed correctly.
Q6: What happens if a terminator or coupler is missing?
A6: Signal degradation or reflections may occur, causing communication errors.
Q7: What environmental conditions can TC520 handle?
A7: Operating temperature 0–55 °C, storage −40–+70 °C, humidity 5–95 % non-condensing.
Q8: How is TC520 mounted?
A8: On DIN rails or panels using standard screws.
Q9: Does TC520 provide diagnostic feedback?
A9: No, it is passive; bus performance is monitored indirectly.
Q10: Is TC520 compliant with environmental standards?
A10: Yes, it meets RoHS, CE, and UL standards for industrial safety and environmental compliance.