Allen-Bradley 1734-AENTR EtherNet/IP Adapter Module

 

 

Product Overview

The Allen-Bradley 1734-AENTR is a POINT I/O dual-port EtherNet/IP adapter module that serves as the communication interface between a POINT I/O rack and an EtherNet/IP network. It enables CompactLogix, ControlLogix, and other EtherNet/IP controllers to communicate with distributed POINT I/O modules.

Key Specifications

• Brand: Allen-Bradley (Rockwell Automation)
• Series: Bulletin 1734 POINT I/O
• Model: 1734-AENTR
• Product Type: Dual-Port EtherNet/IP Adapter Module
• Communication Protocol: EtherNet/IP (CIP)
• Ethernet Ports: 2 × RJ45, 10/100 Mbps
• Supported Network Topologies: Star, Linear (Daisy Chain), Tree, and Device Level Ring (DLR)
• Power Supply: 24 VDC
• Maximum Expansion: Up to 63 POINT I/O modules (with extension power supplies as required)
• Configuration: Rotary thumbwheel switches, BOOTP/DHCP, or software configuration
• Mounting: 35 mm DIN rail
• Operating Temperature: -20°C to +55°C

What It Does (Simple Explanation)

The adapter acts as the communication hub for a distributed POINT I/O system.

Working process:

1. Receives commands from the PLC over EtherNet/IP.
2. Transfers commands to the connected POINT I/O modules.
3. Collects input and output data from all installed modules.
4. Sends real-time data back to the PLC.

This allows remote I/O stations to be installed close to field devices, reducing wiring costs and improving system flexibility.

Key Features

• Dual-port EtherNet/IP communication
• Supports Device Level Ring (DLR) network redundancy
• Compatible with standard and safety POINT I/O modules
• High-speed real-time I/O communication
• Supports up to 63 expansion modules
• DIN rail mounting
• Flexible IP address configuration
• Compact industrial design

Advantages

• Reduces field wiring and installation costs
• Simplifies distributed I/O architecture
• Supports multiple Ethernet network topologies
• Easy integration with CompactLogix and ControlLogix PLCs
• Reliable industrial Ethernet communication
• Modular system for easy expansion and maintenance

Applications

• Industrial automation systems
• Packaging machinery
• Material handling systems
• Automotive production lines
• Process control
• Conveyor systems
• Remote I/O stations
• Factory automation