The 1794-AENTRXT is a high-performance Allen-Bradley Flex I/O dual port EtherNet/IP adapter designed for reliable communication in extended temperature and hazardous environments.
The 1794-AENTRXT adapter module by Allen-Bradley offers high-speed EtherNet/IP connectivity for robust Flex I/O automation systems. Engineers utilize this module to bridge communication between controllers and remote I/O devices over a dual-port network. The rugged design ensures stable performance in harsh industrial settings that require extended temperature tolerance and conformal coating protection.
Core Technical Specifications
- Manufacturer: Allen-Bradley / Rockwell Automation
- Model Number: 1794-AENTRXT
- Product Line: Flex I/O 1794
- Adapter Type: Dual Port EtherNet/IP
- Module Capacity: Supports up to 8 Flex I/O modules
- Communication Rate: 10 / 100 Mbps auto-sensing
- Input Voltage: 19.2 to 31.2 Volts DC (24V DC Nominal)
- Current Draw: 400 mA typical at 24 Volts DC
- Protection: Conformal coating for harsh gas environments (ISA/ANSI-71.040)
- Operating Temp: Extended range for extreme industrial conditions
- Dimensions: 87.4 x 94 x 92 millimeters
- Weight: 0.26 kg (0.56 lbs)
- Enclosure Type: Open style for DIN rail mounting
Installation and Grounding Guidelines
- Mount the 1794-AENTRXT module securely on a zinc-plated yellow-chromate steel DIN rail.
- The DIN rail provides the essential functional ground connection for the entire module chassis.
- Connect the module to a SELV or PELV compliant power supply for safety compliance.
- Verify that the power remains off before you attach or remove any adapter components.
- Maintain a static-safe workstation and wear grounded wrist straps during all handling procedures.
- Avoid touching internal electrical components or connectors to prevent permanent electrostatic discharge damage.
Network and Environmental Features
- Utilize the dual Ethernet ports to create reliable DLR or daisy-chain network topologies.
- The module eliminates the need for complex network scheduling or internal routing tables.
- Monitor system health using the four dedicated LED indicators for module and network status.
- Install the unit in North American Hazardous Locations according to the approved safety ratings.
- The conformal coating protects internal circuitry from noxious gases per ISA/ANSI-71.040 standards.
Packing and Shipping List
- One Allen-Bradley 1794-AENTRXT Dual Port Ethernet Adapter Module.
- Factory original static-safe packaging for secure storage and safe transportation.
- Shipping available globally via FedEx, UPS, or DHL.
Frequently Asked Questions (FAQ)
- What makes the 1794-AENTRXT different from the standard AENTR version?
The XT version features an extended temperature range and conformal coating for high-reliability applications. - Can I use this module with standard Category 5 Ethernet cables?
Yes, the module features two standard RJ45 connectors compatible with high-quality Category 5 cables. - How should I select the right power supply for this specific adapter?
Always choose a 24V DC supply that meets SELV or PELV standards to ensure CE compliance. - Does this adapter support the Device Level Ring (DLR) network topology?
The dual port design specifically allows users to implement high-availability DLR or linear networks.
Author: Oiltech Controls
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