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xq123456
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樓主  發(fā)表于: 2020-09-30 09:54
我現在只把程序寫(xiě)進(jìn)去了接上了按鈕和中間繼電器，沒(méi)有接地線(xiàn)會(huì )導致plc燒毀嗎？另外我的輸入公共端一個(gè)接開(kāi)關(guān)電源的正極一個(gè)接負極這個(gè)也沒(méi)有問(wèn)題吧.
xiaolongfei
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1樓  發(fā)表于: 2020-09-30 15:15
接線(xiàn)問(wèn)題，3樓正解

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