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王春杰
WCJ ZYR
級別: 略有小成
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樓主  發(fā)表于: 2020-04-23 14:22
各位好，
          我用一臺三菱PLC通訊，485通訊
主站：FX3U，從站FX3GPLC，
主站帶自422跟屏通訊，用一斷時(shí)間后，跟屏通訊不了了。但是把把兩臺PLC通訊線(xiàn)拔掉屏通訊就正常了，求解？
（換過(guò)屏，換過(guò)通訊線(xiàn)，PLC都沒(méi)有換過(guò)，兩臺PLC都能正常運行，都能讀寫(xiě)程序）
wu19821221
級別: 探索解密
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注冊時(shí)間: 2016-11-04
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1樓  發(fā)表于: 2020-04-23 17:09
換用485模塊試試
樓主留言：
換了，聯(lián)不上，所以有第一個(gè)求助帖“用擴展口連屏PLC里要不要寫(xiě)程序”

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