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南鵬
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樓主  發(fā)表于: 2013-06-26 16:19
請教各位同行！
    本人做了一個(gè)300PLC的系統，運行了2年，前段時(shí)間有2快模擬量模塊SFC故障燈亮，檢查了硬件線(xiàn)路和軟件，沒(méi)有排查出什么問(wèn)題，就更換了模塊，正常運行。今天又出現另外模擬量模塊的SFC故障燈亮。同行們是否遇到過(guò)此類(lèi)問(wèn)題？請大家幫我支支招？謝謝！
beichen
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1樓  發(fā)表于: 2013-06-26 16:48
模塊可能壞了，要徹底避免，可以考慮在模擬量模塊的輸入或輸出側加隔離柵。
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