Some of the major elements of the specification included: General Motors designed a specification for a ‘ Standard Machine Controller’ and distributed it to vendors for a quote. The first PLC began being developed in 1968. ![]() ![]() This article will discuss the history of PLC programming and how it has evolved over the years. ![]() Since then, PLCs have been broadly adopted as the standard automation control system in discrete manufacturing industries. Their aim was to replace the hardwired relays and timers with programmable and flexible controllers. The automobile sector was the first industry to deploy PLCs into its operations. It is designed to help in the control of manufacturing processes. ![]() The first PLC was introduced in the late 1960s.Ī programmable logic controller is an industrial computer. PLC Programming Then & Now: The History of PLC’s
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