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coi
從電工到工程師.......................
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樓主  發(fā)表于: 2016-05-02 12:34
我們這里有41臺3U  有40臺能正常讀寫(xiě)程序 另外一臺就是不能讀寫(xiě) －－－－－－－通訊不上  

但是該PLC和威綸屏的通訊確是正常的， 是編程口有問(wèn)題，還是設置有問(wèn)題？
jack007kkk
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1樓  發(fā)表于: 2016-05-02 13:53
個(gè)人感覺(jué)是那臺PLC加密了，如果40臺3U程序都一樣，那么對調2臺PLC的程序和設置，看看連接狀態(tài)有變化沒(méi)？你要是沒(méi)有源程序而有問(wèn)題的那臺PLC又都加密了，就不好判斷了。

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