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smile一下
錢(qián)途無(wú)量
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樓主  發(fā)表于: 2015-07-06 10:25
西門(mén)子200與變頻器485通訊  232轉485與變頻器鏈接，剛連接plc  prot0 就冒煙了,無(wú)語(yǔ)了

通訊連接的硬件連線(xiàn)沒(méi)做好嗎，軟件還沒(méi)開(kāi)始。
sxjtwsy
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1樓  發(fā)表于: 2015-07-17 00:31
看看是不是針腳焊接到電源上了。

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