Allen-Bradley 1769-AENTR CompactLogix Ethernet IP Adapter

Overview

The Allen-Bradley 1769-AENTR is a CompactLogix communication adapter designed to bridge 1769-series distributed I/O modules into Ethernet/IP control architectures. Equipped with dual RJ45 Ethernet ports, it supports ring, linear, and device-level network configurations, enabling flexible integration within modern industrial control networks.

Communication & Network Capabilities

• Network Protocol: EtherNet/IP

• Port Configuration: Dual 10/100 Mbps RJ45 Ethernet ports

• Supported Topologies:

• Device Level Ring (DLR)

• Linear network structure

• Single Network Architecture: Supported for simplified system design

• IP Security Features: Integrated network security functions for controlled access

• Servo & Motion Integration: Compatible with motion control and servo-based systems

• Designed for real-time deterministic communication within CompactLogix systems

Power & Electrical Requirements

• Input Voltage: 24 V DC

• Current Consumption: Approx. 500 mA at 5 V DC internal logic

• Optimized for low power draw in distributed I/O architectures

• Industrial-grade power conditioning recommended for stable operation

I/O & System Compatibility

• Supports Allen-Bradley 1769 Compact I/O modules

• Enables expansion of distributed control points via Ethernet/IP backbone

• Typical system capacity supports up to ~69 I/O points depending on configuration

• Fully integrated with CompactLogix controller platforms

Interface & Hardware Design

• Ethernet Connectors: Dual RJ45 ports

• Built for redundant communication paths and network resilience

• Compact module form factor for DIN-rail or chassis mounting

• Designed for high vibration and industrial enclosure environments

System Features

• Supports robotic and motion control communication traffic

• High-speed data exchange for distributed control applications

• Redundant communication paths improve system uptime

• Simplified wiring compared to traditional fieldbus architectures

Physical Characteristics

• Weight: 0.31 lbs

• Compact lightweight design for control cabinet installation

• Suitable for space-constrained automation panels

Engineering Notes

• Requires compatible CompactLogix controller for full functionality

• Recommended for Ethernet/IP-based distributed control architectures

• Ensure proper network segmentation for high-load systems

• DLR topology recommended for enhanced fault tolerance

Applications

• Distributed I/O expansion in CompactLogix systems

• Industrial Ethernet/IP control networks

• Machine automation and packaging systems

• Motion and servo control integration

• Factory communication backbone expansion

FAQ

Q1: Does this adapter support redundant Ethernet networks?
Yes, dual ports support linear and Device Level Ring (DLR) configurations for redundancy.

Q2: Can it be used with non-1769 I/O modules?
No, it is specifically designed for 1769 Compact I/O modules.

Q3: Is it suitable for motion control systems?
Yes, it supports servo and robotic communication integration within Ethernet/IP networks.