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yj615284163
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樓主  發(fā)表于: 2014-12-27 18:12
求高手幫忙請問(wèn)S7-200PLC和變頻MM40無(wú)極調速怎么編和接線(xiàn)
天使之心
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1樓  發(fā)表于: 2014-12-30 18:40
用USS通訊，S7-200的編程軟件里有幫助例子。PLC的Port口3腳接變頻器的29端子、8腳接變頻器的30端子。
樓主留言：
PORTO中的3腳和8腳是不是網(wǎng)絡(luò )連接器插再上面有A和B二跟線(xiàn)才可以用呀，另外是不是還要加電阻呀，不加沒(méi)事嗎
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