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1、em277通讯不稳定 300主站200+2773个从站，两个正常，第三个通讯不正常，报i/o写错误，接着报dp掉站，sf灯和bu灯闪烁，接着正常上午8点到下午3点之间工作正常，下午3点之后该站开始报错，故障灯闪烁频率逐渐增大？？ diagnosticbufferofmodulecpu313c-2dp orderno./descriptioncomponentversion 6es7313-6cf03-0ab0hardware1 ---firmwarev2.0.12 em277通讯不稳定 300主站200+2773个从站，两个正常，第三个通讯不正常，报i/o写错误，接
2、着报dp掉站，sf灯和bu灯闪烁，接着正常上午8点到下午3点之间工作正常，下午3点之后该站开始报错，故障灯闪烁频率逐渐增大？？ diagnosticbufferofmodulecpu313c-2dp orderno./descriptioncomponentversion 6es7313-6cf03-0ab0hardware1 ---firmwarev2.0.12 em277通讯不稳定 300主站200+2773个从站，两个正常，第三个通讯不正常，报i/o写错误，接着报dp掉站，sf灯和bu灯闪烁，接着正常上午8点到下午3点之间工作正常，下午3点之后该站开始报错，故障
3、灯闪烁频率逐渐增大？？ diagnosticbufferofmodulecpu313c-2dp orderno./descriptioncomponentversion 6es7313-6cf03-0ab0hardware1 ---firmwarev2.0.12 rack:0 slot:2 event1of10:eventid16#38c4 distributedi/os:stationreturn addressoftheaffecteddpslave:stationnumber:6 dpmastersystemid:1 log.baseaddressof
4、thedpslave:inputaddress:1020 log.baseaddressofthedpmaster:1023 requestedob:rackfailureob(ob86) priorityclass:26 externalerror,outgoingevent 01:01:00.909pm09/18/1999 event2of10:eventid16#2943 i/oaccesserror,writing parea,wordaccess,accessaddress:166 requestedob:i/oaccesserrorob(ob12
5、2) priorityclass:1 externalerror,incomingevent 01:01:00.853pm09/18/1999 event3of10:eventid16#2943 i/oaccesserror,writing parea,wordaccess,accessaddress:164 requestedob:i/oaccesserrorob(ob122) priorityclass:1 externalerror,incomingevent 01:01:00.852pm09/18/1999 event4of10:eventi
6、d16#2943 i/oaccesserror,writing parea,wordaccess,accessaddress:162 requestedob:i/oaccesserrorob(ob122) priorityclass:1 externalerror,incomingevent 01:01:00.852pm09/18/1999 event5of10:eventid16#2943 i/oaccesserror,writing parea,wordaccess,accessaddress:160 requestedob:i/oaccesserro
7、rob(ob122) priorityclass:1 externalerror,incomingevent 01:01:00.851pm09/18/1999 event6of10:eventid16#2943 i/oaccesserror,writing parea,wordaccess,accessaddress:158 requestedob:i/oaccesserrorob(ob122) priorityclass:1 externalerror,i
