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18980424613
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樓主  發(fā)表于: 2016-05-19 11:55
現在一樓是昆侖通態(tài)觸摸屏Modbus串口數據轉發(fā)設備,連接二樓觸摸屏莫迪康ModbusRTU。有時(shí)候二樓不需要工作就會(huì )關(guān)閉電源,485通訊就會(huì )斷了。
結果一樓的觸摸屏運行幾分鐘就會(huì )失靈。沒(méi)辦法正常工作。從新上電又可運行幾分鐘,再死機。


一樓觸摸屏485串口接了兩個(gè)485PLC和Modbus串口數據轉發(fā)設備,通訊失靈后,兩個(gè)PLC的數據和觸摸屏無(wú)法聯(lián)機。


求高手解答,和解決方案,謝謝!
lyconly1
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1樓  發(fā)表于: 2016-05-24 10:56
一樓觸摸屏是MODBUS的主機么?
haiyouyang
LabVIEW & C++
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2樓  發(fā)表于: 2016-05-24 12:35
在策略控制中,先關(guān)閉設備后,再關(guān)閉設備電源

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