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plc使用STL指令的編程方法

發布日期:2022-04-26 點擊率:1251 品牌:組態王_Kingview

    1.STL指令

    步進梯形指令簡稱為STL指令。使用STL指令的狀態續電器的常開觸點稱為STL觸點,它是一種“胖”觸點,STL觸點驅動的電路塊具有三個功能,即對負載的驅動處理、指定轉換條件和指定轉換目標。

    2.使用STL指令的編程方法

    STL觸點以便是與左側母線相連的常開觸點,當某一步為活動步時,對應的STL觸點接通,它右邊的電路被處理,直到下一步被激活。

    某一STL觸點閉合后,該步的負載線圈被驅動,該步后面的轉換條件滿足時,轉換實現,即后續步對應的狀態繼電器為ON,后續步變為活動步,同時與原活動步對應的狀態繼電器被系統程序自動復位,原活動步對應的SET觸點斷開。

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