ABB DSPC173 repeater module

ABB DSPC173 Repeater Module – Product Information

1. Product Overview

The ABB DSPC173 is an industrial-grade bus repeater module designed to extend the communication range and number of devices in ABB bus systems.
It amplifies bus signals, isolates bus segments, and supports multi-segment connections to ensure stable and reliable data transmission in KNX/Bus systems. DSPC173 features DIN rail mounting for easy installation and is widely used in building automation, industrial control, and energy management systems.

2. Technical Specifications

• Model: DSPC173

• Type: Repeater Module

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

• Power Consumption: Max 10 mA

• Communication Standard: KNX / Bus

• Max Bus Length: Up to 1000 m per segment

• 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. Bus Isolation – Supports multi-segment bus isolation to reduce interference and enhance reliability.

3. Node Expansion – Allows additional bus devices, enabling flexible system expansion.

4. Hot-Swappable Installation – Facilitates easy installation and maintenance without power off.

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

6. Low Power Design – Energy-efficient, suitable for continuous operation.

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 module, as it may compromise performance and safety.

The structure and details of the product：

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