Description
1. Unboxing & Physical Snapshot
- Model & Brand: Rockwell Automation / Allen-Bradley FLEX I/O Series EtherNet/IP Adapter Module (Part No. 1794-AENT)
- Physical Dimensions (Approximate W x H x D): 94.0 mm x 94.0 mm x 69.0 mm (3.7 in x 3.7 in x 2.7 in).
- Estimated Shipping Weight: 0.18 kg (0.40 lbs).
- What’s in the Box: FLEX I/O EtherNet/IP adapter module, dual RJ45 communication ports, rotary address switches, removable terminal base connection interface, and manufacturer compliance documentation.
2. Product Introduction
Distributed automation architectures and remote skid control systems require high-performance communication adapters to bridge local I/O islands with plant-wide Ethernet networks. This Allen-Bradley FLEX I/O EtherNet/IP adapter snaps onto standard DIN-rail terminal bases—which is vital for gathering discrete and analog data from up to eight plug-in I/O modules and transmitting deterministic control packets back to Logix controllers.
The ruggedized polymer housing shields internal switching processors and transceiver circuitry from airborne dust and ambient cabinet humidity. Translating high-speed Ethernet communications into reliable backplane control data, this hardware maintains seamless network integration under continuous industrial operation.
3. Core Technical Specifications
| Parameter | Value |
| Module Type | EtherNet/IP Communication Adapter Module |
| Series Compatibility | Allen-Bradley FLEX I/O System Architecture |
| Communication Rate | 10/100 Mbps auto-negotiating Ethernet interface |
| Maximum I/O Capacity | Supports up to 8 FLEX I/O modules per adapter |
| Power Requirements | 24V DC nominal operating voltage (19.2…31.2V DC range) |
| Isolation Voltage | 50v (continuous), basic insulation type (network-to-backplane) |
| Operating Temperature Range | -20 °C to +55 °C (-4 °F to +131 °F operational limits) |
| Enclosure Protection Class | IP20 open-style module classification |
4. Global Compliance & Industry Certifications
- Expected Regulatory Approvals: CE Mark, UL Listed (UL 508), cUL, CSA C22.2 No. 14, ATEX/IECEx hazardous location compliance (Class I, Division 2), and RoHS environmental directives.
- Safety & Compliance Impact: Compliance with stringent hazardous location standards guarantees that low-voltage communication circuits won’t spark volatile atmospheres when deployed inside Class I, Division 2 control enclosures.
- Verify specific lot certifications with OEM.
5. Long-Term Storage & Asset Preservation Guide
Keep this network adapter sealed inside its original anti-static (ESD) shielding bag to protect sensitive internal microprocessors and Ethernet PHY chips from electrostatic discharge events. Maintain warehouse storage conditions at a relative humidity level strictly below 60% to prevent micro-corrosion on the backplane connector pins over extended holding cycles. Store the unit flat on shelving racks, avoiding heavy stacking loads that could crack or warp the polymer housing enclosure.
6. Physical Installation Prerequisites
- Verify that the compatible 1794 terminal base is securely mounted and grounded onto a standard DIN rail prior to module insertion.
- Configure the physical node address using the onboard rotary switches or via BOOTP/DHCP software tools before network commissioning.
- Route industrial-grade shielded twisted-pair (STP) Ethernet cables completely away from high-voltage motor power lines and variable frequency drives to prevent induced communication jitter or packet loss.
7. Buyer’s FAQ (Logistics & Compliance Focus)
- Q: What Harmonized System (HS) code applies for international customs clearance on this adapter module?
- A: Industrial automation control modules, programmable logic controller parts, and network communication interface units typically classify under HS code 8517.62 or 8537.10. Confirm local code accuracy with your trade compliance broker.
- Q: Does this module ship with a terminal base included?
- A: No. FLEX I/O adapter modules are typically supplied as plug-in units; the matching 1794 terminal base must be ordered separately or sourced from existing panel assemblies.
- Q: How does the Country of Origin (COO) documentation affect our import compliance audit?
- A: Manufacturing origin records correspond to authorized global production facilities for this automation series. Check commercial invoice documentation for precise country records to satisfy trade treaty requirements.
- Q: Is specialized transit insurance recommended during shipment?
- A: Yes. Because network communication adapters contain delicate high-speed transceivers and microprocessors, comprehensive transit insurance guarding against mechanical shock damage is strongly advised.
- A: Yes. Because network communication adapters contain delicate high-speed transceivers and microprocessors, comprehensive transit insurance guarding against mechanical shock damage is strongly advised.
