Description
Allen-Bradley 1771-ACN: Advanced Communication Adapter for PLC Systems
If you’re looking to enhance the communication capabilities of your Allen-Bradley PLC system, the 1771-ACN is a reliable choice. This module bridges the gap between legacy hardware and modern industrial networks, ensuring seamless data exchange in demanding environments.
Key Features
- High-Speed Data Transfer: Optimized for fast and reliable communication between PLCs and peripheral devices, reducing latency in critical operations.
- Compatibility with Legacy Systems: Designed to integrate effortlessly with Allen-Bradley’s 1771 I/O chassis, preserving your existing infrastructure investment.
- Robust Industrial Design: Built to withstand harsh conditions, including extreme temperatures and electromagnetic interference, ensuring consistent performance.
- Flexible Network Integration: Supports DH+ (Data Highway Plus) protocol, enabling connectivity across multiple devices in a distributed control setup.
Technical Specifications
| Specification | Details |
|---|---|
| Brand/Model | Allen-Bradley 1771-ACN |
| HS Code | 85371090 |
| Power Requirements | 5V DC (supplied by the 1771 I/O chassis) |
| Dimensions & Weight | Approx. 8.5 x 2.5 x 6 inches, 1.2 lbs |
| Operating Temperature | 0°C to 60°C (32°F to 140°F) |
| Signal Input/Output Types | Digital signals via DH+ network |
| Communication Interfaces | DH+ (Data Highway Plus) |
| Installation Method | Plug-in module for 1771 I/O chassis |
Application Fields
The 1771-ACN is widely used in industries that rely on real-time data communication, such as automotive manufacturing, food processing, and water treatment facilities. For example, one customer mentioned how it streamlined their assembly line operations by synchronizing multiple PLCs without requiring costly upgrades to their existing setup. In most cases, this adapter proves invaluable for businesses aiming to extend the life of their automation systems while maintaining high performance.
Advantages & Value
From my experience, what sets the 1771-ACN apart is its balance of reliability and cost-effectiveness. It eliminates the need for a complete system overhaul, saving both time and money. Additionally, its compatibility with older equipment ensures minimal downtime during integration. Technical support from the manufacturer also seems to be responsive, which can be a lifesaver when troubleshooting complex installations.
Installation & Maintenance
Installing the 1771-ACN typically involves sliding it into an available slot within a 1771 I/O chassis. Ensure proper ventilation around the cabinet to prevent overheating, and follow standard wiring practices to avoid electrical interference. Routine maintenance includes periodic firmware updates and cleaning dust from the module’s vents using compressed air. Calibration isn’t usually necessary unless specific application requirements dictate otherwise.
Quality & Certifications
This product complies with key industry standards, including CE, UL, and RoHS. The manufacturer offers a standard warranty period of 365 days, providing peace of mind for long-term deployments. Should any issues arise, replacement parts are generally available within a week for in-stock items, though lead times may extend up to a month for special orders.





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