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az526357932
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樓主  發(fā)表于: 2018-10-25 18:41
大神們好，請教下我三菱PLC和三菱變頻器自由口通訊沒(méi)通訊上買(mǎi)了個(gè)USB轉485轉接頭調試該怎么接線(xiàn)？
   USB轉485接線(xiàn)端：T/R+ T/R- RXD+ RXD-
   三菱變頻器PU口端：RDA+ SDB- SDA+ RDB-  對應變頻器接收+ 發(fā)送- 發(fā)送+ 接收-
az526357932
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1樓  發(fā)表于: 2018-10-27 15:40
對照你說(shuō)的接上去通訊還是沒(méi)反應不知道哪里沒(méi)搞對
az526357932
級別: 探索解密
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2樓  發(fā)表于: 2018-11-14 09:03
感謝你的解答，已經(jīng)通訊好了

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