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三菱FX系列PLC SUB減法指令指令代碼、操作數

發布日期：2022-04-26 點擊率：766 品牌：組態王_Kingview

    該指令的助記符、指令代碼、操作數、程序步如表所示。

    SUB減法指令是將指定的源元件中的二進制數相減，結果送到指定的目標元件中去。SUB減法指令的說明如圖表示。

    當執行條件X0由OFF→ON時，[D10]-[D12]→[D14]。運算是代數運算，如5-（-8）=13。

    各種標志的動作、32位運算中軟元件的指定方法、連續執行型和脈沖執行型的差異均與上述加法指令相同。

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