Allen-Bradley 1719-AENTR Ex I/O Communication Interface

Product Overview

The Allen-Bradley 1719-AENTR is a high-performance Ex I/O Ethernet/IP adapter module designed for seamless integration in hazardous area industrial environments. As a primary communication interface, it allows various Allen-Bradley controller platforms to interface with intrinsically safe I/O modules. With its dual-port design, the 1719-AENTR supports Device Level Ring (DLR) topologies, providing robust network redundancy and ensuring high system availability in critical processing applications.

Technical Configuration

• Manufacturer: Allen-Bradley / Rockwell Automation
• Product Line: 1719 Ex I/O Series
• Catalog Number: 1719-AENTR
• Network Type: EtherNet/IP (Dual Port)
• Communication Rate: 10/100 Mbps
• Power Requirement: Backplane-powered via 1719 Chassis
• Diagnostics: Real-time Status and Link/Activity LED Indicators

Technical Specifications

Networking & Innovative Features

1. Dual-Port Redundancy: The 1719-AENTR features two Ethernet ports that facilitate "easy daisy-chaining" of modules. This innovative architecture supports Linear and Device Level Ring (DLR) topologies, effectively eliminating the need for an external switch in many configurations and providing a secondary path for data in case of cable failure.

2. Hazardous Area Safety: Specifically engineered for the 1719 Ex I/O platform, this adapter enables communication between the standard control room environment and intrinsically safe field modules. Its compact 25mm width allows for high-density mounting within 1719 terminal base assemblies.

3. Advanced Diagnostics: Real-time monitoring is enhanced through integrated diagnostic capabilities. The status LEDs provide immediate visual feedback on module health and network activity, while the software interface supports detailed troubleshooting to minimize downtime.

Engineering Advantages

The Allen-Bradley 1719-AENTR simplifies the bridge between Ethernet/IP networks and specialized I/O modules. By utilizing a backplane-powered design, it reduces the complexity of field wiring and centralized power distribution. Furthermore, the inclusion of modern security features like data encryption and user authentication ensures that industrial control data remains protected against unauthorized access, making it a future-proof choice for secure industrial automation.

Technical FAQs

Q1: Does the 1719-AENTR require an external 24V DC power connection?
A1: No, the module is powered directly through the 1719 chassis backplane, simplifying the installation process.

Q2: Can this adapter be used in a DLR (Device Level Ring) network?
A2: Yes, the dual-port Ethernet design is fully compatible with DLR topologies for enhanced network resiliency.

Q3: What software is used to configure this adapter?
A3: The 1719-AENTR is typically configured using Studio 5000 Logix Designer® software, allowing for easy integration with ControlLogix or CompactLogix systems.