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樓主  發(fā)表于: 2017-02-10 14:38
圖片：
各位高手，附件圖里的三菱PLC有485接口嗎，那個(gè)空接口是干什么用的
hmilydyk
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1樓  發(fā)表于: 2017-02-12 10:20
CPU上的25針借口是編程口和通訊口，編程使用，也可以和觸摸屏通訊使用，右側增加那個(gè)通訊模塊，一般也是和觸摸屏通訊的，為的就是編輯程序時(shí)候不需要一直插拔觸摸屏借口，為了方便而增加的。
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