Product Details
Product Overview
The Allen Bradley 1784-U2CN facilitates high-speed communication between a computer’s USB port and a ControlNet network. This industrial-grade adapter enables engineers to perform programming, configuration, and real-time diagnostics on ControlLogix, PLC-5, and SLC 500 systems via a standard USB 2.0 interface. It acts as a portable, high-performance gateway, replacing older, bulky PCMCIA or parallel port cards with a streamlined plug-and-play solution.
Technical Specifications
| Parameter | Value |
| Manufacturer | Allen Bradley / Rockwell Automation |
| Part Number | 1784-U2CN |
| Interface Type | USB to ControlNet |
| Input Voltage | 5.25 Volts DC (via USB Port) |
| Operating Current | 225 mA |
| ControlNet Current | 70 mA @ 24 Volts |
| Isolation Voltage | 30 Volts |
| Protection Rating | IP 30 |
| Operating Temperature | 0–55 °C (32–131 °F) |
| Condition | 100% Brand New Original |
Engineering Advantages
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Eliminate Obsolete Hardware: The 1784-U2CN modernizes your toolkit by allowing modern laptops without legacy slots to interface directly with existing ControlNet infrastructures.
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Bus-Powered Efficiency: The adapter draws its 5.25V DC power directly from the host USB port. This eliminates the need for external power bricks or localized AC outlets during field commissioning and site audits.
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Ruggedized Portability: Weighing only 0.50 lbs, this compact unit withstands industrial environments. The IP30-rated enclosure protects internal circuitry from solid objects larger than 12mm, ensuring longevity during floor-level troubleshooting.
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High-Voltage Isolation: With 30V isolation, the module shields your workstation or laptop from electrical noise and ground loops common in complex industrial networks, preventing hardware damage during live hot-plugging.
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Broad Network Support: This cable supports multiple Allen Bradley platforms, making it a universal tool for facilities running a mix of legacy PLC-5 systems and modern ControlLogix architectures.
FAQs
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Is this 1784-U2CN unit Brand New?
Yes. We provide only 100% Brand New, original Allen Bradley equipment in factory-sealed packaging. This ensures maximum driver compatibility and hardware reliability.
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Does the 1784-U2CN require a separate power supply?
No. The device utilizes the power provided by your computer's USB port (5.25V DC, 225 mA), making it completely self-sufficient for mobile diagnostics.
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Which operating systems support this adapter?
The 1784-U2CN works with Windows-based environments that run RSLinx Classic. Always ensure you have the latest EDS files and drivers installed within your Rockwell software suite for seamless device recognition.
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Can I use this for permanent installations?
While primarily designed as a portable diagnostic and programming tool, its rugged IP30 enclosure allows it to remain connected for long-term monitoring tasks within a controlled panel environment.
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
Master Acceptance Testing: Understanding FAT and SAT in Industrial Control Systems
Factory Acceptance Testing (FAT) and Site Acceptance Testing (SAT) serve as critical quality assurance gateways in complex industrial control systems. Both procedures verify that programmable logic controllers (PLCs), distributed control systems (DCS), and associated field devices meet strict functional specifications. However, executing these tests effectively requires clear delineation between off-site staging and final field commissioning.
Industrial Networking Essentials: Demystifying Hubs, Switches, and Routers in Control Systems
Industrial automation relies heavily on robust networking infrastructure to connect programmable logic controllers (PLCs), distributed control systems (DCS), and human-machine interfaces (HMIs). Modern factory automation environments generate vast amounts of real-time operational data across deterministic networks. Understanding the structural differences between hubs, switches, and routers ensures optimal traffic segmentation, minimizes latency, and maintains high network availability.
Safety Relays in Industrial Automation: Fundamentals, Design Standards, and Fail-Safe Architecture
Safety relays form the bedrock of functional safety in modern factory automation, preventing catastrophic equipment failure and protecting plant personnel. While standard electromechanical relays handle basic load switching, they lack the redundant diagnostics required for high-risk industrial environments. Modern industrial automation platforms—including programmable logic controllers (PLCs) and distributed control systems (DCS)—rely on specialized safety relays to monitor field devices and isolate hazards instantly.