ABB DSBC172 bus repeater

ABB DSBC172 Bus Repeater – Product Information

1. Product Overview

The ABB DSBC172 is an industrial-grade bus repeater designed to extend the communication range and number of nodes in ABB bus networks.
It amplifies signals in KNX/Bus systems to ensure reliable data transmission, and features overload protection and interference resistance. DSBC172 supports DIN rail mounting and hot-swappable installation, making it easy to integrate into automation control systems. It is a key communication component in building automation, industrial control, and energy management systems.

2. Technical Specifications

• Model: DSBC172

• Type: Bus Repeater

• Operating Voltage: 29 V DC (bus-powered)

• Power Consumption: Max 10 mA

• Communication Standard: KNX / Bus

• Max Bus Length: Up to 1000 m

• Max Number of Nodes: Up to 64 nodes per bus segment

• Operating Temperature: -5 ℃ to +45 ℃

• Storage Temperature: -25 ℃ to +70 ℃

• Mounting Method: DIN Rail

• Dimensions: 90 × 18 × 64 mm

• Protection Class: IP20

• Certifications: KNX certified, CE

3. Features and Advantages

1. Signal Amplification – Extends bus communication distance and improves data stability.

2. Node Expansion – Supports adding more devices, allowing flexible system expansion.

3. High Interference Resistance – Industrial-grade design ensures reliable signal transmission.

4. Hot-Swappable Installation – Enables quick installation and maintenance without power off.

5. Energy Efficient – Low power consumption suitable for continuous operation.

6. High Compatibility – Fully compatible with KNX/Bus systems and ABB devices.

4. Application Areas

• Building automation systems

• Industrial control networks

• Energy management systems (EMS)

• Smart lighting and HVAC systems

• Automation production line bus expansion

5. Precautions

1. Ensure bus voltage and number of nodes meet system design requirements before installation.

2. Disconnect power before wiring or operation to ensure safety.

3. Avoid exposure to high humidity or corrosive environments.

4. Ensure proper bus termination resistors are installed to prevent communication issues.

5. Regularly check bus connections to ensure stable signal transmission.

6. Do not disassemble or modify the repeater, as it may compromise performance and safety.

The structure and details of the product：

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