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我不懂
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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 ]
15770511692
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1樓  發(fā)表于: 2017-11-01 13:46
這個(gè)幾分錢(qián)，有這么便宜嗎

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