Allen-Bradley 1794-AENTR FLEX I/O Dual-Port EtherNet/IP Adapter with DLR

Allen-Bradley · HMIs & Displays

Description  The Allen-Bradley 1794-AENTR is a FLEX I/O Ethernet adapter designed for reliable distributed I/O communication. It provides dual Ethernet ports with embedded Device Level Ring (DLR) support, ensuring high availability and network redundancy.     Technical Specifications  Condition New/Never used Manufacturer Rockwell Automation Power Dissipation 6.1 W @ 19.2V DC Power Consumption 500 mA 400 mA @ 24V DC Operating Shock 30 g peak acceleration, 11(+1)ms pulse width Vibration Tested 5 g @ 10-500Hz per IEC 68-2-6 Storage Temperature -40 to 85 C (-40 to 185 F) Operating Temperature 0 to 55 C (32 to 131 F) Wire Size 0.34…2.5 mm2 (22…12 AWG) stranded copper wire rated at 75 °C (167 °F) or higher, 1.2 mm (3/64 in.) insulation max Ethernet cable RJ45 Cat.5 Mounting DIN Rail Indicators Mod Status; Network Status; Link1 Status; Link2 Status Data Transfer speed 10 to 100 Mbps Supported topologies Linear Supported Protocol Ethernet I/P Communication Port Two (2) RJ45 Product Description Redundant Ethernet Adapter Module Brand Allen-Bradley Part Number/Catalog No. 1794-AENTR Thermal Dissipation 20.8 BTU/hr @ 24V DC Product Type Flex I/O Dual Port Ethernet/IP Adapter Module I/O Capacity 8 Modules Communication Rate 10/100 Mbps Input Voltage Range nom. 19.2 to 31.2 Volts DC Input Voltage nominal 24 Volts DC Inrush Current 18 Amps for 2 milliseconds Enclosure Type Rating None (open-style) Isolation Voltage 50 Volts Continuous Flexbus Current 640 mA at 5 Volts DC maximum Series A   Information About 1794-AENTR The 1794-AENTR is part of the Allen-Bradley FLEX I/O 1794 series, offering modular and distributed I/O solutions for scalable control systems. This adapter supports up to 8 FLEX I/O modules and connects seamlessly to ControlLogix and CompactLogix controllers over EtherNet/IP. Equipped with two RJ45 Ethernet ports, it enables Device Level Ring (DLR) topologies for network redundancy and high system availability. The 1794-AENTR provides system status and diagnostics through LED indicators, simplifying monitoring and troubleshooting. Mounted on DIN rails, its compact design saves panel space while maintaining robust performance in industrial environments. Key Features: Design: Compact DIN rail–mounted Ethernet adapter for FLEX I/O systems. Connectivity: Dual RJ45 ports supporting EtherNet/IP networks. Redundancy: Built-in Device Level Ring (DLR) capability for fault-tolerant operation. Expansion: Supports up to 8 FLEX I/O modules per adapter. Compatibility: Integrates with ControlLogix and CompactLogix controllers. Performance: Provides high-speed, reliable data exchange with distributed I/O. Diagnostics: LED indicators for network and module status monitoring. Application Range: Suitable for machine automation, manufacturing, and process industries requiring redundant networks. The 1794-AENTR delivers the redundancy and reliability required for high-availability distributed I/O in modern industrial automation.

Brand: Allen-Bradley · Category: HMIs & Displays

Key features

• Design: Compact DIN rail–mounted Ethernet adapter for FLEX I/O systems.
• Connectivity: Dual RJ45 ports supporting EtherNet/IP networks.
• Redundancy: Built-in Device Level Ring (DLR) capability for fault-tolerant operation.
• Expansion: Supports up to 8 FLEX I/O modules per adapter.
• Compatibility: Integrates with ControlLogix and CompactLogix controllers.
• Performance: Provides high-speed, reliable data exchange with distributed I/O.
• Diagnostics: LED indicators for network and module status monitoring.
• Application Range: Suitable for machine automation, manufacturing, and process industries requiring redundant networks.

Specifications

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