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樓主  發(fā)表于: 2009-04-07 11:28
麻煩各位幫我解答一下：計算機可以讀入 寫(xiě)出程序，但用FX通信測試軟件測試通信口時(shí)顯示通信超時(shí)，應檢查相關(guān)參數設置。我用FX2N-RS232BD，PLC程序中設置了D8120,并與測試通信口設置的參數一致，為什么回顯示這樣的錯誤？那個(gè)計算機串口應該是RS232C的呀。
liujianbo818
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1樓  發(fā)表于: 2009-04-07 15:05
和什么通信 ？PC與PLC嗎？
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2樓  發(fā)表于: 2009-04-07 15:52
是的，用VB編寫(xiě)的人機界面。

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