News

To safeguard operational continuity for manufacturing plants running legacy communication infrastructures, Softing Industrial has released its engineered usbLink CN interface adapter. Developed to bridge the gap between modern field laptops and older network architectures, this compact hardware module provides system integrators with a reliable mechanism to view, program, and maintain critical field configurations. By stepping directly into the market vacancy left by recently discontinued OEM hardware, Softing ensures that maintenance crews can keep vital processing assets online without undergoing a costly, premature overhaul of their entire automation backbone.

Before the industry-wide consolidation around modern industrial Ethernet protocols, heavy manufacturing sectors relied extensively on high-speed, deterministic fieldbus infrastructures to handle time-critical programmable logic controller and distributed I/O communications. These networks utilized a unique node-addressing topology over physical RJ45 connections to ensure steady data throughput across the factory floor. Connecting a modern deployment PC to these architectures historically required specialized PC cards or dedicated USB-to-fieldbus interface modules. However, the recent decision by original equipment manufacturers to phase out legacy communication kits, such as the widely used 1784-U2CN adapter, left field engineers without a clear path forward for hardware diagnosis and routine configuration.

Softing Industrial, a verified member of the Rockwell Automation Technology Partner program, engineered the usbLink CN to resolve this specific bottleneck. The newly launched adapter functions as a transparent, drop-in replacement for the discontinued hardware, preserving essential engineering workflows without requiring specialized driver modifications. Featuring a standard USB 2.0 interface on one side and a robust RJ45 network port on the other, the adapter allows field technicians to easily connect standard service laptops directly to active network taps to extract real-time diagnostic parameters and modify module configurations.

To simplify deployment during high-pressure troubleshooting windows, the usbLink CN incorporates physical rotary switches on its housing for fast manual node addressing, alongside localized diagnostic status LEDs that give technicians immediate visual feedback regarding active USB or fieldbus communication health. The internal electronics are optimized to guarantee seamless compatibility with legacy software suites, allowing engineers to connect to active devices via established network management tools like RSLinx and RSNetWorx. This tight software integration removes the need for custom scripting or third-party middleware, ensuring a smooth configuration experience during critical maintenance cycles.

Maintaining support for aging communication lines remains a priority for maintenance managers tasked with managing multi-decade facility lifecycles. While greenfield projects benefit from the convenience of standardized single-cable industrial networks, brownfield plants frequently manage a complex mix of hardware generations. Deployed alongside high-performance legacy control nodes like theAllen Bradley ControlLogix and CompactLogixseries, having a dedicated hardware tool like the usbLink CN in an automation engineer's kit ensures that legacy operations can avoid unexpected downtime. Rather than forcing a capital-intensive system migration, sourcing specialized connectivity modules throughRockwell Automation partner hardwarechannels allows firms to extend the commercial life of their current field investments and schedule system overhauls strictly on their own financial timelines.

Written by: Julian Vance, a veteran field service engineer with over 15 years of technical expertise specializing in legacy network migrations, industrial fieldbus troubleshooting, and industrial communication interface design for large-scale manufacturing infrastructures.