DiagnoSTicbufferofmoduleCPU315-2DPOrderNo./DEScrIPtionComponentVersion6ES7315-2AG10-0AB0Hardware7–––FirmwareV2.6.6BootLoaderFirmwareexpansionA0.21.0Rack:0Slot:2Event1of10:EventID16#38C4DistributedI/Os:stationreturnAddressoftheaffectedDPslave:stationnumber:4DPmAStersystemID:1Log.baseaddressoftheDPslave:Inputaddress:2044Log.baseaddressoftheDPmaster:2047RequestedOB:RackfailureOB(OB86)Priorityclass:26Externalerror,Outgoingevent02:13:13.891AM07/23/2016Event2of10:EventID16#2942I/OacCEsserror,readingParea,wordaccess,Accessaddress:518RequestedOB:I/OaccesserrorOB(OB122)Priorityclass:1Externalerror,Incomingevent02:13:13.639AM07/23/2016Event3of10:EventID16#2942I/Oaccesserror,readingParea,wordaccess,Accessaddress:518RequestedOB:I/OaccesserrorOB(OB122)Priorityclass:1Externalerror,Incomingevent02:13:13.638AM07/23/2016Event4of10:EventID16#2942I/Oaccesserror,readingParea,wordaccess,Accessaddress:518RequestedOB:I/OaccesserrorOB(OB122)Priorityclass:1Externalerror,Incomingevent02:13:13.637AM07/23/2016Event5of10:EventID16#2942I/Oaccesserror,readingParea,wordaccess,Accessaddress:516RequestedOB:I/OaccesserrorOB(OB122)Priorityclass:1Externalerror,Incomingevent02:13:13.637AM07/23/2016Event6of10:EventID16#2942I/Oaccesserror,readingParea,wordaccess,Accessaddress:516RequestedOB:I/OaccesserrorOB(OB122)Priorityclass:1Externalerror,Incomingevent02:13:13.636AM07/23/2016Event7of10:EventID16#2942I/Oaccesserror,readingParea,wordaccess,Accessaddress:516RequestedOB:I/OaccesserrorOB(OB122)Priorityclass:1Externalerror,Incomingevent02:13:13.635AM07/23/2016Event8of10:EventID16#2942I/Oaccesserror,readingParea,wordaccess,Accessaddress:514RequestedOB:I/OaccesserrorOB(OB122)Priorityclass:1Externalerror,Incomingevent02:13:13.634AM07/23/2016Event9of10:EventID16#2942I/Oaccesserror,readingParea,wordaccess,Accessaddress:514RequestedOB:I/OaccesserrorOB(OB122)Priorityclass:1Externalerror,Incomingevent02:13:13.634AM07/23/2016Event10of10:EventID16#2942I/Oaccesserror,readingParea,wordaccess,Accessaddress:514RequestedOB:I/OaccesserrorOB(OB122)Priorityclass:1Externalerror,Incomingevent02:13:13.633AM07/23/2016正在运行的系统出现上述异常诊断信息，导致4#站数据中断两分钟，从而引起设备跳停，请帮助分析具体原因。
最佳答案
cpu至远程站通讯出现中断，检查通讯电缆、接头、模块、干扰、接地等内容。
提问者对于答案的评价：
如何解决干扰问题？
最佳答案作者回复:
最少要做到通讯线远离动力线敷设，做好屏蔽接地。技术论坛里有些dp故障处理的帖子可以参考一下
