s7-400h 瞬停

event15of3000:eventid16#5371
distributedi/os:endofthesynchronizationwithadpmaster
slotofthedpmaster:3inrack0
numberofdistributedstations:19
eventoccurredinthemastercpuinrack0
incomingevent
09:31:16.403am07/24/2012

event16of3000:eventid16#530d
newstartupinformationinstopmode
startuppreventedby:
-coldrestartorwarmrestartnecessary
startupinformation:
-timefortimestampatthelastbackeduppoweron
-singleprocessoroperation
current/laststartuptype:
-warmrestarttriggeredviampi
permissibilityofcertainstartuptypes:
-manualwarmrestartpermitted
-automaticwarmrestartpermitted
lastvalidoperationorsettingofautomaticstartuptypeatpoweron:
-automaticwarmrestartafterbackeduppoweron
operatingmode:stop(internal)
eventoccurredinthemastercpuinrack0
incomingevent
09:31:11.136am07/24/2012

event17of3000:eventid16#3925
battf:atleastonebackupbatteryfailedonaredundantcentralrack
detectedinmastercpuinrack0
requestedob:powersupplyerrorob(ob81)
obnotfound,ordisabled,orcannotbestartedintheinthecurrentoperatingmode
externalerror,incomingevent
09:31:10.259am07/24/2012

event18of3000:eventid16#4300
poweronbackedup
initializationinformation:initializationafterpoweron(backedupcpu)
previousoperatingmode:novoltage
requestedoperatingmode:stop(owninitialization)
eventoccurredinthemastercpuinrack0
incomingevent
09:31:09.512am07/24/2012
event19of3000:eventid16#494e
powerfailure
previousoperatingmode:run
requestedoperatingmode:novoltage
eventoccurredinthemastercpuinrack0
externalerror,incomingevent
09:31:03.511am07/24/2012

event20of3000:eventid16#43e3
mastercpu:changefromredundantmodetosolomode
previousoperatingmode:run(redundantmode)
requestedoperatingmode:run
eventoccurredinthemastercpuinrack0
incomingevent
09:31:03.506am07/24/2012

event21of3000:eventid16#7331
switchoverofstandbycpuandmastercpuduetofailureofmastercpu
cpuaffected:standbycpuinrack1
event:###0###anzeigetextecpu=
requestedob:cpuredundancyerrorob(ob72)
priorityclass:28
incomingevent
09:31:03.506am07/24/2012

event22of3000:eventid16#43f1
switchoverofmastercpuandstandbycpu
previousoperatingmode:run(redundantmode)
requestedoperatingmode:run(redundantmode)
eventoccurredinthestandbycpuinrack0
incomingevent
09:31:03.506am07/24/2012
报错内容如上，求为什么瞬停啊(ups供电)

佳答案

requestedob:powersupplyerrorob(ob81)
......
powerfailure
previousoperatingmode:run
requestedoperatingmode:novoltage
eventoccurredinthemastercpuinrack0。
从上述信息中看，是电源故障所引起的externalerror。