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1. Product Overview
The ABB DSDX451 5716075-AH Remote Access Expansion Unit is an industrial-grade communication expansion device designed for ABB automation systems. It enables remote monitoring, data access, and system maintenance. The module connects controllers and remote devices via secure communication protocols, supporting data acquisition, remote diagnostics, and system upgrades, thereby improving industrial system management efficiency and reliability.
The DSDX451 module features a modular design with industrial-grade interference resistance and high reliability, suitable for continuous operation and high-load industrial environments. It is a key component for remote management in modern automation systems.
2. Technical Specifications
| Item |
Specification |
| Model |
DSDX451 |
| Part Number |
5716075-AH |
| Type |
Remote Access Expansion Unit |
| Function |
Remote monitoring, data access, system diagnostics, and upgrades |
| Input Voltage |
24 V DC |
| Communication Interfaces |
Ethernet, CAN, RS-485 (depending on configuration) |
| Supported Protocols |
TCP/IP, Modbus TCP, EtherNet/IP (depending on configuration) |
| Data Transfer Rate |
10/100 Mbps (Ethernet) |
| Indicators |
LED for power, communication, and status |
| Operating Temperature |
0°C to +55°C |
| Storage Temperature |
-25°C to +70°C |
| Mounting |
DIN-rail or modular slot installation |
| Dimensions |
Approx. 160 × 100 × 45 mm |
| Weight |
Approx. 0.7 kg |
| Manufacturer |
ABB Automation Products |
3. Advantages and Features
Key Advantages:
-
Remote access and monitoring: Supports secure remote system access and management.
-
Modular design: Facilitates installation, maintenance, and system expansion.
-
Industrial-grade reliability: Resistant to interference and vibration in harsh environments.
-
Multi-protocol support: Compatible with TCP/IP, Modbus TCP, EtherNet/IP, and other industrial protocols.
-
Real-time status indication: LED indicators show power, communication, and operation status.
Main Features:
-
Supports remote data acquisition and system diagnostics.
-
Modular structure for quick replacement and system expansion.
-
Clear LED indicators for easy fault diagnosis.
-
Industrial-grade design for long-term continuous operation.
-
Seamless integration with ABB PLCs, robots, and automation systems.
4. Application Fields
-
Remote monitoring and management of ABB automation systems
-
Remote diagnostics and data acquisition for industrial production lines
-
Remote maintenance for industrial robot systems
-
Automation systems in power, metallurgy, chemical, mining, and manufacturing industries
-
Remote management of centralized and distributed control systems
5. Precautions
-
Disconnect power before installing or removing the module.
-
Follow anti-static precautions to protect the module’s electronics.
-
Ensure input voltage and communication interfaces comply with module specifications.
-
Avoid high humidity, high temperature, or strong electromagnetic interference environments.
-
Regularly check LED indicators and communication status to ensure stable operation.
-
Use only ABB-certified modules and accessories for maintenance or replacement.
The structure and details of the product:

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