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微控制器MCU

可編程序控制器智能單元的作用是什么?

發布日期:2022-04-22 點擊率:109


為了增強PLC的功能,擴大其應用領域,減輕CPU的負擔,PLC廠家開發了各種各樣的功能模塊,以滿足更加復雜的控制功能的需要。這些功能模塊一般有自己的CPU,具有自己的系統軟件,能獨立完成一項專門的工作。功能模塊主要用于時間要求苛刻、存儲器容量要求較大的過程信號處理任務,如需要調節位置的位置閉環控制模塊,對高速脈沖進行計數和處理的高速計數模塊等。


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