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Product Introduction
The ABB DSTC 176 57310001-KT is a terminator unit designed to ensure proper signal termination in bus extension systems. It plays a critical role in maintaining the integrity of communication networks within ABB’s distributed control systems (DCS). By preventing signal reflections and reducing noise, the DSTC 176 ensures reliable data transmission across extended bus systems.
Product Specifications
The DSTC 176 is engineered with precision to meet the demands of industrial automation environments. Its compact design and robust construction make it suitable for various applications.
| Parameter | Specification |
| Model | DSTC 176 57310001-KT |
| Product Type | Bus Extension Terminator Unit |
| Dimensions (L x W x H) | 255 × 20 × 115 mm |
| Weight | 0.03 kg |
| Mounting | Panel Mounting |
| Protection Class | IP20 |
| RoHS Compliance | Not RoHS Compliant |
| WEEE Category | Category 5 (Small Equipment) |
| Country of Origin | Sweden |
Applications
The DSTC 176 is utilized in various industrial settings where reliable communication is paramount. Its applications include:
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Distributed Control Systems (DCS): Ensures signal integrity in extended bus configurations.
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Industrial Automation: Facilitates stable communication between control modules.
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Process Industries: Used in sectors like oil and gas, chemical, and power generation for reliable data transmission.
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Manufacturing Plants: Supports complex automation systems requiring extended bus networks.
Advantages
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Signal Integrity: Prevents signal reflections, ensuring clear and reliable communication.
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Compact Design: Its small footprint allows for easy integration into existing systems.
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Ease of Installation: Designed for straightforward panel mounting.
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Durability: Built to withstand industrial environments with an IP20 protection rating.
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Compatibility: Seamlessly integrates with ABB’s range of control systems.
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Maintenance-Free: Requires minimal maintenance, reducing downtime.
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Cost-Effective: Provides a reliable solution without significant investment.
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Global Availability: Manufactured in Sweden, ensuring high-quality standards.
Latest News Titles
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“ABB Enhances Bus Communication Reliability with DSTC 176 Terminator Unit”
Highlights the role of DSTC 176 in improving signal integrity in industrial networks. -
“ABB’s DSTC 176: A Compact Solution for Complex Bus Systems”
Discusses the design and application benefits of the DSTC 176 in modern automation. -
“Ensuring Data Transmission Stability: ABB Introduces DSTC 176 Terminator”
Focuses on the importance of proper signal termination in extended bus systems. -
“ABB’s Commitment to Industrial Communication: The DSTC 176 Advantage”
Explores how the DSTC 176 aligns with ABB’s vision for reliable industrial communication.
Frequently Asked Questions (FAQ) – ABB DSTC 176 57310001-KT
1. What exactly does the DSTC 176 Bus Extension Terminal Unit do?
The DSTC 176 is used as a terminator in an extended bus system to maintain proper impedance and prevent data signal reflections, ensuring communication stability.
2. Is the DSTC 176 only compatible with ABB systems?
While it is optimized for ABB’s Advant Master DCS and similar ABB systems, it may technically function with other industrial bus architectures if the interface specifications match.
3. Can this unit be installed in hazardous or outdoor environments?
No. The DSTC 176 has an IP20 rating, meaning it is intended for indoor environments with basic protection from dust. It is not suitable for harsh or outdoor installations without additional enclosure.
4. How do I mount the DSTC 176 in a control cabinet?
It is designed for easy panel mounting, typically using screws or DIN-rail brackets depending on cabinet configurations.
5. Does the DSTC 176 have active components or is it a passive unit?
It is a passive terminator unit; it does not contain active electronics or require power to function.
6. Is there any firmware or software configuration needed?
No configuration or firmware update is needed. It’s a plug-and-play component specifically meant for physical signal termination.
7. What type of connectors are used on the DSTC 176?
The unit generally uses terminal screw connections compatible with ABB bus cabling systems, ensuring secure and reliable connection points.
8. Does it require any routine maintenance?
No maintenance is required under normal conditions. Periodic visual inspections for dust or corrosion in harsh environments are recommended.
9. What happens if a bus system is missing a terminator like DSTC 176?
Without proper termination, communication signals can reflect back through the bus, causing data errors, intermittent faults, and system instability.
10. Can I use more than one DSTC 176 in the same bus line?
Typically, only one terminator is placed at each end of a bus line. Adding more than the recommended number can cause impedance mismatch.
Related Models (Same Series or Functional Compatibility)
| Model Number | Description | Function | Form Factor |
| DSTC 175 57310001-KS | Bus Terminator Unit | Bus Line Termination | Compact module |
| DSTC 177 57310001-KU | Terminator for Redundant Bus | High-reliability bus termination | Compact unit |
| DSTC 178 57310001-KV | Redundant Bus Connector/Terminator | Bus extension & redundancy | Modular unit |
| DSTA 160 57120001-AH | Connection Unit | I/O Signal Bus Interface | Rack-mountable |
| DSTC 172 57310001-KM | Bus Extension Terminator | Segment Termination | Panel-mounted |
| DSTC 173 57310001-KN | Bus Coupler Unit | Extension Coupler | DIN-rail type |
| DSTC 179 57310001-KW | System Bus Resistor Unit | Communication stabilizer | Compact unit |
| DSTF 180 57310001-KX | Fieldbus Extension Module | Field network interface | Modular type |
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