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daleiplc
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樓主  發(fā)表于: 2017-07-25 13:57
在三菱PLC 中，用兩個(gè)開(kāi)關(guān)x1 x2控制電路啟動(dòng),必須要X1，X2同時(shí)啟動(dòng)，才可以接通電路。若X1 X2不是同時(shí)按下，則電路無(wú)法啟動(dòng)  請問(wèn)要怎樣才可以實(shí)現��？
pgq0011
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1樓  發(fā)表于: 2017-07-25 14:13
用plc程序就把兩個(gè)開(kāi)關(guān)的IO點(diǎn)串起來(lái)用；如果點(diǎn)數不夠，就要用傳統的，把兩個(gè)按鈕串起來(lái)，俗稱(chēng)雙手啟動(dòng)，防止手被夾，盡量選擇平頭按鈕。

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