運(yùn)行8年設(shè)備，傳動(dòng)偶爾一直都有問(wèn)題（有時(shí)幾天無(wú)故障，有時(shí)間隔2小時(shí)，不固定）?。?br />出故障時(shí)，有時(shí)能看到cpu診斷信息如下，但有時(shí)出現(xiàn)如下診斷信息時(shí)，傳動(dòng)正常！
現(xiàn)場(chǎng)fm模塊正常，無(wú)故障指示燈??！
diagnosticbufferofmodulecpu416-2dp

orderno./descriptioncomponentversion
6es7416-2xk02-0ab0hardware7
---firmwarev3.1.3

rack:0
slot:3

event1of120:eventid16#3842
moduleok
moduletype:fm
inputaddress:44
channelinformationavailable
requestedob:diagnosticinterruptob(ob82)
priorityclass:25
externalerror,outgoingevent
09:25:45.922pm04/14/2013

event2of120:eventid16#3942
moduleproblemormaintenancenecessary
moduletype:fm
inputaddress:44
hardwareinterruptlost
channelinformationavailable
module/submodulefault
internalmoduleerror
requestedob:diagnosticinterruptob(ob82)
priorityclass:25
externalerror,incomingevent
09:25:45.842pm04/14/2013

event3of120:eventid16#3842
moduleok
moduletype:fm
inputaddress:84
channelinformationavailable
requestedob:diagnosticinterruptob(ob82)
priorityclass:25
externalerror,outgoingevent
05:38:05.080pm04/14/2013

event4of120:eventid16#3942
moduleproblemormaintenancenecessary
moduletype:fm
inputaddress:84
hardwareinterruptlost
channelinformationavailable
module/submodulefault
internalmoduleerror
requestedob:diagnosticinterruptob(ob82)
priorityclass:25
externalerror,incomingevent
05:38:05.055pm04/14/2013

event5of120:eventid16#3842
moduleok
moduletype:fm
inputaddress:44
channelinformationavailable
requestedob:diagnosticinterruptob(ob82)
priorityclass:25
externalerror,outgoingevent
04:48:09.902pm04/14/2013

event6of120:eventid16#3942
moduleproblemormaintenancenecessary
moduletype:fm
inputaddress:44
hardwareinterruptlost
channelinformationavailable
module/submodulefault
internalmoduleerror
requestedob:diagnosticinterruptob(ob82)
priorityclass:25
externalerror,incomingevent
04:48:09.835pm04/14/2013

佳答案

應(yīng)該和dp頭松動(dòng)、干擾或內(nèi)部電源等有聯(lián)系，可參考這里的討論和出現(xiàn)的問(wèn)題一樣。
《s7300sf故障診斷》
https://www.ad.siemens.com.cn/club/bbs/post.aspx?b_id=4&a_id=960758