{"id":104056,"count":494,"description":"Programmable logic controller (PLC) is a type of industrial computer that makes a decision to help guide or monitor a process, often for factory automation or machine control in discrete applications and sometimes in other control processes (continuous, batch or hybrid). A PLC often accepts inputs from sensors and sends instructions to actuators. PLCs have been defined by the number of inputs\/outputs they can control and by processing speeds. PLC programming occurs with IEC 61131-3 programming languages and some can accept other programming. A programmable automation controller (PAC) is a type of industrial logic device based on a PC (personal computer) platform.","link":"https:\/\/www.controleng.com\/control-systems\/plcs-pacs\/","name":"PLCs, PACs","slug":"plcs-pacs","taxonomy":"category","parent":104070,"meta":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>PLCs, PACs - Control Engineering<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.controleng.com\/control-systems\/plcs-pacs\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PLCs, PACs - Control Engineering\" \/>\n<meta property=\"og:description\" content=\"Programmable logic controller (PLC) is a type of industrial computer that makes a decision to help guide or monitor a process, often for factory automation or machine control in discrete applications and sometimes in other control processes (continuous, batch or hybrid). A PLC often accepts inputs from sensors and sends instructions to actuators. PLCs have been defined by the number of inputs\/outputs they can control and by processing speeds. PLC programming occurs with IEC 61131-3 programming languages and some can accept other programming. 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