Beckhoff CX210009x4 Manuale Utente Scaricare il pdf (Pagina 56)

Commissioning

AsfromUPSsoftwareversionv1.0.0.48thefollowingwarningwillbedisplayedifanunsupporteddelay

timeisfoundwhenthealarmconfigurationdialogisopened:

TheunsupporteddelaytimeisplacedintotheComboBoxas(notsupported):

5.2.1.5.1 AdvancedSettingsdialog

ThefollowingsettingsareonlyavailableinsystemswithoutSoftPowerOffsupport(S5state)(e.g.NT4

systems).APCsystemwithSoftPowerOffsupportcanswitchoffthepowersupplyaftershutdown.Theend

ofasessionincludesashutdownorrestartofthePC,i.e.allsettingsrelatingtotheendofthesessionnot

onlyapplytotheshutdown,butareretainedwhenthePCisrestarted.

OnceamainsoperatedNT4systemhasbeenshutdown,itcannotdistinguishbetweendeliberateandnon

deliberatepowerfailure.ThismeanstheUPSsoftwareandthehardwarecannotdistinguishbetweena

genuinepowerfailureandtheoperatoroperatingthemainswitch(inordertoswitchoffthesystem

completely).TheUPSmerelydetectsapowerfailureandswitchestobatteryoperation.Iftheoperatorhas

switchedoffthemainswitch,thePCwillremainonbatterypower,eventuallydrainingthebattery.

Inordertopreventthis,theBeckhoffP24VxxxxUPSfeaturesanoptiontodeactivateUPSprotectionaftera

certaindelaytime.Duringthedelaytime,thePCisprotectedagainstpossiblepowerfailure.ThePCwill

remainonuntiltheexternalpowersupplyisswitchedoff.

CX210009x456 Version1.1

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Beckhoff CX2100­09x4 Manuale Utente Pagina 56