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wyhghmei
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樓主  發(fā)表于: 2015-01-30 18:04
我的USB轉232串口線(xiàn)與永宏P(guān)LC通信時(shí)經(jīng)常掉線(xiàn)是什么原因？USB轉232線(xiàn)是力特的。我有兩個(gè)串口，一個(gè)掉線(xiàn)后重新連接就行，不過(guò)過(guò)幾秒又掉線(xiàn)了。另一個(gè)掉線(xiàn)后電腦要重新開(kāi)機才能再通信上。各位大俠這是 什么原因呢？
wuwm_1974
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1樓  發(fā)表于: 2015-02-26 11:18
深圳宇泰科技的不錯啊，USB轉232 485的使用都很好

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