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dyysam513
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樓主  發(fā)表于: 2018-05-15 15:01
現在要一個(gè)功能為一臺觸摸屏控制2臺FX5U的PLC，觸摸屏還沒(méi)選型，請問(wèn)一下怎么控制？用以太網(wǎng)口用交換機不知道可不可用？還是在FX5U上面安裝一個(gè)232BD模塊。一臺用232通信一臺用以太網(wǎng)通信？師傅指導一下~
nightblueblu
道阻且長(cháng)，窮且益堅。
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1樓  發(fā)表于: 2018-05-30 16:55
485也可以連多臺PLC吧 ，輪詢(xún)方式，數量多了有延遲，以太網(wǎng)好得多
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