Beckhoff CX9020 Instrukcja Użytkownika Pobierz pdf (Strona 32)

Commissioning

4.2 1SecondsUPS

4.2.1 Overview

ThelibraryTcSUPS_CX9020_U900.libincludesfunctionsandfunctionblocksrequiredforcontrollingthe

onesecondUPS.

Functionblocks

Name Description

FB_S_UPS_CX9020_U900 BlockforcontrollingtheonesecondUPS

FB_NT_QuickShutdown InternalblockforQuickShutdown,usedbythe

FB_S_UPS.

Functions

Name Description

F_GetVersionTcSUPS_CX9020_U900 ThisfunctioncanbeusedtoreadPLClibraryversion

information.

Component Version

TwinCATonthedevelopmentPCandonthecontrol

system

TwinCAT2.11R3Build2047orhigher

4.2.1.1 FUNCTION_BLOCKFB_S_UPS_CX9020_U900

ThefunctionblockFB_S_UPS_CX9020_U900canbeusedonCXdeviceswithonesecondUPStocontrol

theonesecondUPSfromthePLC.Thisallowsthepersistentdatatobesavedandaquickshutdowntobe

performedintheeventofapowerfailure.IfpossiblethedefaultvaluesoftheINPUTsofthe

FB_S_UPS_CX9020_U900shouldberetained.

Attention

Lossofdata

ThesecondsUPScanbeusedonlyforafewsecondsintheeventofapowerfailureinor

der,tosavepersistentdata.Thedatamustbesavedinthefast“persistentmode”

“SPDM_2PASS”,eventhoughthiscanleadtorealtimeviolations.Sufficientroutermemory

mustbeconfiguredforthestorageofthepersistentdata!

ThesecondUPSdoesnothavesufficientcapacityforbridgingpowerfailures.OnlytheCFastcardcanbe

usedfordatastorage,inviewofthefactthattheUPScapacityisinadequateforoperatingaharddisk.

AQuickShutdownisperformedautomaticallyintheeSUPS_WrPersistData_Shutdownmode(standard

setting)afterthestorageofthepersistentdata.

IneSUPS_WrPersistData_NoShutdownmodeonlythepersistentdataarestored.NoQuickShutdownis

executed.

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Beckhoff CX9020 Instrukcja Użytkownika Strona 32