Description

Brief Product Description

The Allen-Bradley 1794-AENTRXT is a high-performance, dual-port EtherNet/IP network adapter designed for the FLEX I/O system. It features conformal coating and an extended operating temperature range, ensuring reliable communication for distributed I/O in harsh industrial environments.

​Product Description

High-Reliability Network Redundancy

The Allen-Bradley 1794-AENTRXT serves as a specialized communication gateway for FLEX I/O systems, enabling seamless data exchange via the EtherNet/IP protocol. This adapter incorporates dual Ethernet ports to support various network topologies, including Device Level Ring (DLR), linear, and star configurations. By utilizing these dual ports, the module provides essential network redundancy, which maintains system connectivity even if a single cable failure occurs. The adapter efficiently manages communication for up to eight I/O modules, translating network commands into local bus signals with high precision.

Optimized for Extreme Industrial Conditions

As part of the “XT” (Extended Temperature) series, the 1794-AENTRXT operates across a broad thermal spectrum from -20°C to +70°C. To further enhance its durability, Rockwell Automation applies a conformal coating that protects the internal circuitry against moisture, dust, and corrosive chemical vapors. This treatment ensures compliance with rigorous ISA/ANSI-71.04-1985 standards for noxious gas resistance. Because it meets North American hazardous location requirements, engineers frequently specify this module for demanding sectors such as oil and gas extraction, chemical processing, and outdoor power distribution.

Advanced Integration and Power Management

This adapter module simplifies installation through its integrated power conversion capabilities. It accepts a 24V DC input and converts it to the 5V DC required to power the internal backplane for the connected FLEX I/O modules. The unit mounts easily on a standard zinc-plated DIN rail, which also serves as the functional ground for the system. Furthermore, the front panel features intuitive LED indicators that provide real-time status updates regarding module health, network link activity, and communication parity. These diagnostic features, combined with its 10/100 Mbps auto-sensing data rate, make the 1794-AENTRXT a cornerstone for modern, high-speed distributed control architectures.

Technical Specification Overview