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huangjiahong
天才也是百分九十九的血汗加百分一的靈感
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樓主  發(fā)表于: 2016-05-09 19:17
多個(gè)變頻器(或不同品牌)采用繼電器輸出型PLC控制。"SD"和“DCM"表示運行控制信號的公共端,"STF"和"FWD"表示正轉控制端子。
請教熟悉變頻器電路的高手:假設確定公共端都是DC24V的負極(或正極),這樣的接法是否可行?
有你的幫助!我的學(xué)識更進(jìn)步
建控電
野蠻其體魄、文明其精神!
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1樓  發(fā)表于: 2016-05-09 21:33
可以的。通常都是低電頻有效。你可以COM和運轉信號連,如果COM和0V連的話(huà),運轉信號接低電頻,電機也會(huì )運轉的。
不知道你是不是這個(gè)意思!

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