Compact solutions for small-scale automation and distributed I/O. Key Features and Capabilities
By the mid-2000s, the automation world was moving toward the standard. Schneider Electric introduced Unity Pro (later EcoStruxure Control Expert) for the new Modicon M340, M580, and Quantum V2.0 PLCs. Unity Pro offered tag-based programming, user-defined function blocks, SFC, ST, and much better memory management. proworx 32
Despite its necessity in maintaining aging hardware, seasoned automation engineers routinely share strong perspectives on its limitations on community forums like PLCTalk.net : user-defined function blocks