Beckhoff CX51x0 Manuale Utente Scaricare il pdf (Pagina 21)

SecondsUPS

3.2 Overview

ThelibraryTcSUPS_CX51x0.libincludesfunctionsandfunctionblocksrequiredforcontrollingtheone

secondUPS.Seeprojectexample.

Functionblocks

Name Description

FB_S_UPS_CX51x0 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_CX51x0 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

TwinCAT3.1Build4018orhigher

3.2.1 FUNCTION_BLOCKFB_S_UPS_CX51x0

ThefunctionblockFB_S_UPS_CX51x0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_CX51x0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.

IntheeSUPS_ImmediateShutdownmodeaQuickShutdownisexecutedimmediatelywithoutsavingdata.

CX51x0 21Version1.0

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Beckhoff CX51x0 Manuale Utente Pagina 21