1734-AENTR

Reliable EtherNet/IP adapter 1734‑AENTR for POINT I/O distributed systems

The Allen‑Bradley 1734‑AENTR is a dual-port EtherNet/IP adapter designed for the POINT I/O system. It allows distributed I/O modules to be connected to an EtherNet/IP network with redundancy and high reliability. Featuring two RJ45 ports, it supports linear, star, and Device Level Ring (DLR) topologies, making it suitable for high-availability systems.

Technical specifications

• Manufacturer: Allen‑Bradley (Rockwell Automation)

• Module type: EtherNet/IP Network Adapter

• Communication: EtherNet/IP protocol

• Ports: 2 × RJ45 10/100 Mbps Ethernet (auto-negotiate)

• Network topologies: linear, star, DLR (Device Level Ring)

• Max. I/O modules per node: 63

• Backplane current draw: 400 mA

• Power supply input: 19.2–28.8 VDC (nominal 24 VDC)

• Power dissipation: 3.5 W max

• Status LEDs: Module, Network Activity, Link Status, and DLR ring indicators

• Isolation voltage: 50 V (continuous), tested at 500 V AC

• Operating temperature: –20 °C to +55 °C

• Mounting: DIN rail via POINT I/O terminal base

• Dimensions (H × W × D): approx. 77 mm × 25 mm × 55 mm

• Weight: ~130 g

Key advantages

• Enables EtherNet/IP communication for POINT I/O modules

• Dual ports allow ring or redundant network setups

• Supports Device Level Ring (DLR) for fault tolerance

• Compact and modular design ideal for distributed installations

• Easy integration with Logix controllers and Studio 5000

• LED indicators for quick diagnostics and network status

Applications

The 1734‑AENTR adapter is commonly used in:

• Distributed control systems

• Modular machine and process automation

• Safety systems with redundant communication needs

• Applications requiring fast I/O response over Ethernet

• Systems with Device Level Ring (DLR) network topologies

About the manufacturer

Allen‑Bradley, part of Rockwell Automation, is a global leader in industrial automation. The 1734‑AENTR module extends the POINT I/O platform with reliable EtherNet/IP communication and redundancy, enabling high-performance modular control systems.