Product Overview
The A-B 1747-CP3 is a high-performance communication processor designed to enable seamless connectivity and data transfer between different Allen-Bradley control systems. Part of the renowned Allen-Bradley SLC 500 series, this module plays a crucial role in linking SLC 500 processors with peripheral devices or other controllers via multiple communication protocols. The A-B 1747-CP3 ensures robust and reliable communication, making it ideal for various industrial applications that require fast and stable data exchange.
With its user-friendly design and compatibility with a wide range of Allen-Bradley devices, the A-B 1747-CP3 simplifies system integration and enhances operational efficiency. It supports both serial communication (RS-232) and other industrial communication protocols, providing flexible options for setting up communication networks. Whether you’re integrating new equipment or upgrading legacy systems, the A-B 1747-CP3 offers a reliable solution for communication management within automation systems.
Technical Specifications
| Parameter | Value |
|---|---|
| Product Model | 1747-CP3 |
| Manufacturer | Allen-Bradley |
| Product Type | Communication Processor |
| Power Supply | 24V DC |
| Protocol | RS-232, DH-485 |
| Operating Temp | 0°C to 60°C |
| Mounting Type | DIN Rail |
| IP Rating | IP20 |
Key Features and Benefits
Flexible Communication Options
The A-B 1747-CP3 supports multiple communication protocols, including RS-232 and DH-485, enabling flexible connectivity between SLC 500 processors and other Allen-Bradley devices. This flexibility allows for easy integration into existing systems and supports diverse communication needs across industrial environments.

Reliable and Robust Performance
Designed for industrial use, the A-B 1747-CP3 delivers reliable, high-speed communication with minimal downtime. Its rugged design ensures stable performance even in challenging environments, maintaining operational continuity in critical industrial applications.
Easy System Integration
The A-B 1747-CP3 is easy to configure and integrate, allowing for quick setup and streamlined system deployment. It eliminates the complexities often associated with communication modules, providing a hassle-free solution for connecting various Allen-Bradley control systems and devices.
Enhanced Diagnostics
This communication processor comes equipped with advanced diagnostic features, allowing operators to monitor system health in real-time. These diagnostic tools enable quick identification of potential issues, minimizing downtime and ensuring that the system remains operational with minimal interruptions.
Compact and Space-Saving
The A-B 1747-CP3 is designed to be compact, making it ideal for space-constrained environments. Its DIN rail mounting option further simplifies installation and helps optimize the use of space in control panels and industrial enclosures.
Related Models
- 1747-CP2 – A predecessor model with similar functionality but fewer communication protocol options for less complex applications.
- 1747-CP4 – A more advanced model with additional communication ports and extended protocol support for larger systems.
- 1747-CP1 – A simplified model designed for smaller control systems requiring only basic communication capabilities.
- 1747-CP3R – A ruggedized version with enhanced resistance to extreme temperatures and vibrations, ideal for harsh industrial environments.
- 1747-CP5 – A high-performance variant offering enhanced diagnostic features and support for faster data throughput.
Hainan Jinlin Mechanical & Electrical provides high-quality Allen-Bradley products, along with exceptional customer service and technical support. If you require assistance or cannot find the exact model you’re looking for, please don’t hesitate to contact us directly.


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