PLC與CPU區(qū)別


 PLC是ProgrammableLogicController的英文縮寫，中譯名：可編


程邏輯控制器。


 簡單理解的話，它和個人電腦上的CPU類似，都屬于某一類系統上


進行數據采集處理的核心，但使用范圍和作用與一般CPU不同，而且

PLC不像個人電腦上的CPU一樣單單指一個CPU，準確說它是一種控制

聯系人：小蘇


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系統，擁有自己的CPU，同時配置了各種功能面板和I/O口，可通過


I/O采集模擬量、開關量等進行分析處理，同時擁有強大的可編程能


力，一般利用梯形圖程序中提供的各種軟繼電器即可實現一些復雜的


邏輯控制，省去了傳統的硬件式繼電器復雜的接線和經濟成本。


 PLC較之個人電腦的CPU來說，其特點是擁有強大的數據采集能力和


對某一種自動控制過程的優(yōu)秀處理能力，在工業(yè)上、制造業(yè)上，民用


比如電梯、自動洗衣機等的過程控制中有著廣泛的應用。




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