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aijun2010
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樓主  發(fā)表于: 2011-01-07 09:28
一個(gè)接觸器由兩條線(xiàn)路進(jìn)行供電   ，一條是PLC輸出，   一條是外部電路，   兩條線(xiàn)路在一條相線(xiàn)上  ，兩條線(xiàn)路沒(méi)有設計互鎖，這樣對PLC或整個(gè)電路有什么影響，會(huì )造成PLC的輸出繼電器燒壞嗎？急�。�！
天馬奔月
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1樓  發(fā)表于: 2011-01-07 19:41
沒(méi)有多大問(wèn)題的。大膽使用，

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