Hardy Process Solutions is celebrating the 20th anniversary of its breakthrough process weighing PLC Plug-in modules.

Hardy was the first weighing company to engineer and manufacture PLC plug-in weight modules, which are used in applications including: batching/blending, filling/dispensing, check weighing, level by weight, rate control, and rate monitoring. Available in single-scale or dual-scale configurations, the modules transfer clean, accurate weight data directly to the PLC/PAC, which uses its rack I/O for application control. Modules communicate over the backplane of the PLC, which means no other interface or communication wiring, routers or switches are needed, and writing special communications drivers is unnecessary.

Hardy’s modules are the result of long and collaborative relationships with Allen-Bradley and Rockwell Automation. Hardy’s proprietary technology was essential in developing the products Allen-Bradley envisioned to meet specific customer needs. Today, Hardy modules are available for Allen-Bradley ControlLogix, CompactLogix, Micro800, or SLC500 chassis. Integration is easy with free Add-on Profiles, free Faceplates/AOIs for HMIs, and direct backplane connectivity.

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