Allen‑Bradley 1794-AENTR – FLEX I/O EtherNet/IP Adapter Module

Specifications

• Communication Protocol: EtherNet/IP
• Ethernet Ports: 2 × RJ45 10/100 Mbps (supports linear/device-level ring topology DLR)
• Max FLEX I/O Modules Supported: Up to 8 I/O modules on one local terminal base
• Backplane Current Draw: 650 mA @ 5 VDC
• Input Power: 24 VDC (19.2–31.2 VDC), 11 W max power consumption
• Address Assignment: Software-configurable IP address via BOOTP/DHCP or static setting
• Status Indicators: Module OK, Network Link/Activity, Fault LED
• Supported Controllers: ControlLogix, CompactLogix, Micro800 series PACs
• Operating Temperature: 0 °C to +60 °C
• Humidity: 5%–95% RH, non-condensing
• Mounting: DIN rail mount, fits standard 1794 terminal bases
• Dimensions: 134 × 40 × 87 mm
• Weight: Approx. 0.18 kg
• Certifications: UL/cULus, CE, C-Tick

Key Features

• Dual Ethernet ports support DLR ring network for redundant communication path
• High-speed EtherNet/IP connection linking distributed FLEX I/O to Logix controllers
• Compact modular design for flexible cabinet layout and remote field installation
• Built-in fault diagnostics LED for quick network and module troubleshooting
• Supports standard CIP messaging, explicit and implicit I/O data exchange
• Compatible with full range of 1794 digital, analog, relay and specialty I/O modules
• Wide operating voltage range adapts to industrial 24VDC power supply systems

Applications

• Distributed remote I/O expansion for factory automation
• Packaging lines, conveyor systems, automotive assembly equipment
• Process industry signal collection for tanks, valves and sensors
• Cabinet space-saving decentralized I/O installation via EtherNet/IP networks