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kira88
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樓主  發(fā)表于: 2015-09-21 09:20
  現有一塊觸摸屏，三菱GT1572，通訊口是RS232的9針接口，要如何才能與三菱的FX2N-48MR  PLC通訊？PLC的接口是8針圓口的RS422


PS:已經(jīng)用422轉422的線(xiàn)加轉接頭試驗過(guò)，無(wú)效，依舊無(wú)法通訊
13725835670
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1樓  發(fā)表于: 2015-09-21 10:56
觸摸屏的是232接口，PLC是422的接口；
首先，你需要一條422轉232的線(xiàn)，然后，焊線(xiàn)
只看觸摸屏側的接線(xiàn)圖腳位
zl6079
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2樓  發(fā)表于: 2015-09-22 15:50
俺用過(guò)GT1585加1條SC09直接通訊

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