Allen-Bradley 1771-ACNR/B | Two-Port ControlNet Communication Interface

Overview:

The Allen-Bradley 1771-ACNR/B is a two-port ControlNet communication interface module, designed for redundant media operation in high-reliability industrial automation networks. Supporting ControlNet 1.0, 1.25, and 1.5+, this module enables deterministic data transfer with redundancy for enhanced fault tolerance.

As a 1771 I/O adapter, the 1771-ACNR/B provides seamless integration with legacy PLC-5 systems, improving network stability and communication reliability in mission-critical applications.

Key Features:

• Two-Port ControlNet Communication – Supports redundant media for fault tolerance
• Compatible with ControlNet 1.0, 1.25, and 1.5+ – Ensures backward compatibility
• Supports 1771 I/O Adapter Systems – Designed for seamless integration
• Series B Design – Improved reliability and communication stability
• High-Speed Data Transfer – Enables real-time industrial control applications
• Backup System Compatibility – Only the 1771-ACNR15 supports the ControlNet PLC-5 backup system (1785-CHBM)

Technical Specifications:

• Model: 1771-ACNR/B
• Series: B
• Communication Type: ControlNet
• Port Configuration: Two-Port, Redundant Media
• Supported Protocols: ControlNet 1.0, 1.25, and 1.5+
• I/O Compatibility: 1771 I/O Adapter
• Backup Compatibility: 1771-ACNR15 supports ControlNet PLC-5 backup (1785-CHBM)
• Mounting: PLC-5 / 1771 Chassis-Based
• Certifications: UL, CE, RoHS

Applications:

• Industrial Automation & Process Control – Provides robust real-time network communication
• SCADA & Distributed Control Systems (DCS) – Enhances system integration and data reliability
• Factory & Machine Control – Supports automation processes requiring network redundancy
• Material Handling & Robotics – Ensures seamless and precise system operation
• Power & Utility Systems – Supports high-availability industrial automation networks

Why Choose the Allen-Bradley 1771-ACNR/B?

The Allen-Bradley 1771-ACNR/B ControlNet interface module delivers redundant communication, high-speed data transfer, and seamless integration with 1771 I/O adapters, making it ideal for mission-critical industrial automation applications.

Order Now

Fast shipping worldwide delivery available.