Allen Bradley 1794-AENTRXT Flex I/O Dual-Port EtherNet/IP Adapter Module

Applications

• Distributed FLEX I/O systems requiring high-speed EtherNet/IP communication in ControlLogix architectures

• Factory automation networks with modular I/O expansion across multiple machine zones

• Real-time data acquisition for process control in manufacturing and utility environments

• Machine-level control systems requiring scalable remote I/O connectivity

• High-availability industrial networks using dual Ethernet ports for redundancy or line topology

• Brownfield upgrades replacing legacy remote I/O adapters with Ethernet-based architectures

• Packaging, automotive, and material handling systems requiring flexible I/O distribution

Key Advantages

• Dual-port EtherNet/IP architecture enabling line or Device Level Ring (DLR) network topologies

• Compact FLEX I/O form factor designed for dense DIN-rail control cabinet installations

• High reliability industrial design with robust EMI and vibration resistance

• Seamless integration with Rockwell Automation ControlLogix and CompactLogix systems

• Supports scalable I/O expansion up to multiple FLEX I/O modules per adapter

• Built-in diagnostics for fast network status and module health monitoring

• Efficient 24V DC operation with low power consumption for distributed systems

Technical FAQs

1. What is the function of the 1794-AENTRXT module?
It acts as a dual-port EtherNet/IP adapter for FLEX I/O systems, connecting distributed I/O modules to a PLC network.

2. Does it support Device Level Ring (DLR)?
Yes, dual Ethernet ports allow DLR and linear network topologies.

3. What systems is it compatible with?
It is compatible with Allen-Bradley ControlLogix and CompactLogix platforms.

4. How many FLEX I/O modules can it support?
Typically up to 8 modules per adapter depending on configuration.

5. Does it require configuration before use?
Yes, IP address and network parameters must be configured via BOOTP/DHCP or software tools.

6. What communication protocol does it use?
It uses EtherNet/IP (CIP protocol).

7. Is it suitable for harsh environments?
Yes, XT variants are designed for extended temperature and industrial-grade environments.

8. Can it operate in redundant network setups?
Yes, dual-port design supports network redundancy strategies.

9. Does it support hot swapping of I/O modules?
Yes, FLEX I/O systems generally support removal and insertion under power (RIUP).

10. What software is used for setup?
Typically Studio 5000, RSLinx, and BOOTP/DHCP utilities.