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樓主  發(fā)表于: 2009-12-28 12:08
圖片：
[    sell=1][/sell]
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1樓  發(fā)表于: 2010-01-01 22:30
這么簡(jiǎn)單。不知是否好用。
我用現成的RS232/RS422轉換器連接25針插頭做的SC-09， 就是把RS422的TXD+/TXD-接到2和15，RXD+/RXD-接到3和16，挺好用的，用在老的三菱PLC上，25針插頭直接用，后來(lái)的8針插頭實(shí)在找不到，買(mǎi)了一個(gè)連接電纜接到25針插頭上，現在一直用著(zhù)。

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