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樓主  發(fā)表于: 2017-10-31 22:11
請教下 5臺變頻器和電腦通訊 那種連接方式好 現在可以用USB轉485連接  但5個(gè)太多了   485總線(xiàn)沒(méi)有用過(guò) 如果走485總線(xiàn)需要什么硬件
[ 此帖被我不懂在2017-10-31 22:17重新編輯 ]
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1樓  發(fā)表于: 2017-10-31 22:55
一個(gè)USB轉485就可以了，或者買(mǎi)個(gè)板卡，PCI串口
都接到485上
樓主留言：
電腦是工控機 有232的口 轉成485的  多個(gè)變頻器的A B都接在一起嗎
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