各位大俠,你們好!最近在運行西門子SIMATIC NET時,CP5611總是報以下故障信息: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 依然報上述故障!請求各位大俠指點!謝謝!