Product Details
Overview
The Allen-Bradley 1794-AENTR is a dual-port Ethernet/IP adapter designed for FLEX I/O systems, providing reliable and redundant network connectivity. This module allows up to 8 FLEX I/O modules to communicate via Ethernet/IP, supporting linear topologies and industrial-grade performance for factory automation and control applications.
Technical Specifications
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Model / Part Number: 1794-AENTR
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Brand: Allen-Bradley
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Product Type: FLEX I/O Dual Port Ethernet/IP Adapter
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Product Line: FLEX I/O 1794
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Weight: 0.56 lbs (0.26 kg)
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Power Dissipation: 6.1 W @ 19.2 V DC
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Thermal Dissipation: 20.8 BTU/hr @ 24 V DC
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Communication Ports: 2 × RJ45
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Supported Protocols: Ethernet/IP
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Supported Topology: Linear
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Data Transfer Speed: 10–100 Mbps
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Indicators: Module Status, Network Status, Link1 Status, Link2 Status
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Mounting: DIN Rail
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Ethernet Cable: RJ45 Cat.5
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Wire Size: 0.34–2.5 mm² (22–12 AWG), stranded copper, insulation rated 75°C max
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Operating Temperature: 0–55°C (32–131°F)
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Storage Temperature: -40–85°C (-40–185°F)
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Vibration Resistance: 5 g @ 10–500 Hz per IEC 68-2-6
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Shock Resistance: 30 g peak, 11 (+1) ms pulse width
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Power Consumption: 400–500 mA @ 24 V DC
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I/O Capacity: Supports up to 8 FLEX I/O modules
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Input Voltage Range (Nominal): 19.2–31.2 V DC
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Nominal Input Voltage: 24 V DC
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Inrush Current: 18 A for 2 ms
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Enclosure Type: Open-style
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Isolation Voltage: 50 V continuous
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Flexbus Current: 640 mA max @ 5 V DC
Applications
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Integrates FLEX I/O modules into Ethernet/IP networks
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Provides redundant network connectivity for mission-critical automation
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Supports industrial linear topologies in manufacturing and processing systems
FAQs
Q1: How many FLEX I/O modules can this adapter support?
The 1794-AENTR supports up to 8 FLEX I/O modules on a single adapter.
Q2: What type of network topology does it support?
It is optimized for linear topologies, ensuring reliable data communication across connected devices.
Q3: Can this module operate in high-vibration environments?
Yes, it has been tested for vibration resistance at 5 g from 10–500 Hz and shock up to 30 g peak acceleration.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Understanding Safety Relays in Industrial Automation: Architecture, Operation, and Functional Safety
Standard electromechanical relays provide basic electrical isolation between low-voltage control circuits and high-power output loads. A traditional switching relay features a magnetic coil driving mechanical Common (COM), Normally-Open (NO), and Normally-Closed (NC) contacts. However, standard relays pose severe functional risks when deployed in critical safety interlock circuits. High current inrush or mechanical wear can weld contacts together permanently. If contact welding occurs in an emergency stop circuit, pressing the button fails to halt hazardous machinery movements. Consequently, global functional safety standards prohibit standard relays for critical machine guarding functions.
Mastering Wire Identification in Industrial Automation: The Power of Ferrules and Cross-Ferruling
Proper wire labeling forms the cornerstone of reliable control system installation and long-term maintenance. In complex industrial automation environments, technicians terminate thousands of conductor ends inside control panels, marshalling racks, and field junction boxes. Ferrules serve as individual tube-shaped sleeve markers slipped onto conductors before final termination. While technicians historically relied on pre-printed individual letter rings, modern control panel builders utilize automated ferrule printing machines. These thermal-transfer printers generate durable, single-sleeve heat-shrink tags directly matching approved wiring schematics, significantly accelerating cabinet assembly workflows.
Understanding Marshalling Cabinets in Industrial Automation and Control Systems
Marshalling cabinets serve as the crucial connection hub between field instruments and centralized processing units. In large DCS and PLC control system architectures, hundreds of multipair field cables run from local junction boxes to the central instrument equipment room. The marshalling cabinet houses field terminal blocks, surge arresters, intrinsic safety isolation barriers, and interposing relays. By segregating field field-wiring terminations from sensitive processor hardware, engineers protect expensive controller backplanes from high-voltage transients. Consequently, this modular separation dramatically streamlines maintenance workflows and simplifies system expansion.