
Commissioning
Value Description Features
tBatt Timeduringwhichthesystemis
operatedviathebattery.
Variable,dependingonthedurationofthe
powerfailure.IftBatt>=tCAtheUPS
serviceirrevocablystartsshuttingdownthe
system.
tCA Maximumtimeonbatteryvoltage
beforecriticalalarm.Oncethistimehas
elapsedtheUPSserviceirrevocably
startsshuttingdownthesystem.
ConfigurableinminutesviatheBeckhoff
UPSconfigurationdialog.
IftCA=0theUPSserviceimmediately
startsshuttingdownthesystem.
tSDtask AtimewindowprovidedbytheUPS
serviceforashutdownapplication
(shutdowntask).
Notconfigurable,fixedandlimitedtoa
maximumof30seconds.
• NT4:tSDtask=0ifnoshutdown
applicationwasconfiguredand
tSDtask=tSDappifashutdown
applicationwasconfigured.
• Allotheroperatingsystems:tSDtask
alwaysrequires30seconds.
tSDapp Timeactuallyrequiredbytheshutdown
application(shutdowntask).
Variable,dependsonthefeaturesofthe
application.Limitedtoamaximumof30
seconds.After30secondstheshutdownis
irrevocablycontinued.tSDappshould
alwaysbe<maximumoftSDtask.
tTCstop Thistimeisrequiredforstoppingthe
TwinCATsystem.Duringthistimethe
UPSservicestopsallTwinCATservers.
Variable,dependsonthenumberof
configuredTwinCATservers.Limitedtoa
maximumof45seconds.Shutdown
continuesirrevocablyafter45seconds.
tTCstop=0ifTwinCATisnotinstalledor
hasalreadybeenstoppedbeforehand.
tUPSoff DelaytimeforswitchingofftheUPS.
Theactualshutdownoftheoperating
systemstartsoncetheUPSservicehas
completedallinternalshutdowntasks.
Oncethistimehasstartedtheoperating
systemtakesovercontroland
continueswiththeshutdown(window
applicationsandservicesincludingthe
UPSservicesareclosedandthe
systemisshutdowncompletely).Once
thistimehaselapsedtheUPS
irrevocablyswitchesofftheoutputsand
theIPCinordertosavebattery
capacity.
ConfigurableviatheBeckhoffUPS
configurationdialog.Theavailablevalues
arehardwarespecific.tUPSoffshould
alwaysbe>tSDwin.
tSDsrv TimerequiredbytheUPSservicefor
shuttingdowninternaltasks.
tSDsrv=tSDtask+tTCstop
tSDwin Timerequiredbytheoperatingsystem
forashutdown.
Variable,dependsonthenumberof
runningapplicationsthathavetobeclosed.
tDlg Forsystemswithoutsoftpoweroff
functionality(e.g.NT4):Forsystems
withsoftpowerofffunctionality(e.g.
XP):
Variable,dependsontheoperatingsystem
used,thenumberofrunningapplications,
themotherboardandtheUPShardware:
tDlg=tUPSofftSDwintDlgshouldalways
be>0.Youcanonlyinfluencethisvalueby
thechoiceoftUPSoff.Forsystemswithout
softpowerofffunctionalitythedialog
shouldbevisibleatleastforashorttime
beforetheUPSswitchesofftheIPC.For
systemswithAPCUPSandsoftpoweroff
functionalitytheIPCshouldswitchofffirst,
followedbytheUPS.
CX210009x460 Version1.1
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