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各位大俠，你們好！最近在運(yùn)行西門子SIMATIC NET時(shí)，CP5611總是報(bào)以下故障信息：A SYNI error occurred in \Device\s7opciax0: Bus short circuit or wrong transmission rate or partner device not powered up.查了Profibus線，也沒短路，；波特率也正常；設(shè)備都上了電源。最后換了張CP5611卡，SIMATC NET 依然報(bào)上述故障！請(qǐng)求各位大俠指點(diǎn)！謝謝！