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Industrial-grade program-controlled exchange
"Soft PLCs" running on desktop-type computers can interface with industrial I/O hardware while executing programs within a version of commercial operating systems adapted for process control needs.Invention and early developmentThe PLC originated in the late 1960s in the automotive industry in the US and was designed to replace relay logic systems. Before, control logic for manufacturing was mainly composed of,,,. A programmable logic controller (PLC) or programmable controller is an industrial that has been and adapted for the control of manufacturing processes, such as, machines,.