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hsyyqq
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樓主  發(fā)表于: 2010-02-21 10:11
跟pc能通信上但是寫(xiě)程序速度非常非常慢要7到8分鐘 不要懷疑我的線(xiàn)，我用同一根線(xiàn)跟一個(gè)128mt的通訊下載上載速度都非�？�，而且下載完我寫(xiě)的測試程序 撥到run的時(shí)候開(kāi)始還正常過(guò)不了一分鐘程序錯誤指示燈就亮了 是不是plc壞了��？？
我愛(ài)工控
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1樓  發(fā)表于: 2010-02-21 11:24
感應器的線(xiàn)(三芯線(xiàn))接錯也會(huì )報警,COM與24V的瞬間碰頭不會(huì )燒壞PLC的多檢查線(xiàn)路.

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