ABB产品说明书english图文Word格式文档下载.docx
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ABB产品说明书english图文Word格式文档下载.docx
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2.2.3LEDIndication(11
2.2.4Bardisplays(11
2.2.5Controlpushbuttons(12
2.2.6Electronickey(12
2.3Measurement(12
2.3.1Valuesmeasureddirectly(12
2.3.2Calculatedvalues(13
2.3.3Othervalues(13
2.4Protection(13
2.5Control(14
2.6Eventrecording(14
2.7Faultrecording(15
2.8Realtimeclock(16
2.9Processinterface(16
2.9.1Analoginputs(16
2.9.2Binaryinputsandoutputs(18
3Diagnosisandmonitoring(19
4Analogoutput(20
5Communication(21
6Housing(23
7Mechanicaldesign(26
7.1REF542plusstandardcaseversion:
(26
7.2REF542pluswidecaseversion:
7.3Analoginputs(26
8Listoftheprotectionfunctions(27
9Technicaldata(32
9.1Analoginputchannels(32
9.1.1Currentandvoltagetransformerinputvalues(32
9.1.2Currentandvoltagesensorinputvalues(32
9.2Binaryinputsandoutputs(33
9.2.1BIOmodulewithmechanicaloutputrelays(version3(33
9.2.2BIOmodulewithstaticoutputs(34
9.3Interfaces(34
9.3.1HMIControlUnit:
(34
9.3.2CentralUnit:
9.4Analogoutputboard(optional(34
9.5Communication(optional(34
9.6Powersupply(35
9.6.1CentralUnit(35
9.6.2HMIControlUnit(35
9.7Environmentalconditions(35
9.8Degreeofprotectionbyenclosure(36
9.8.1CentralUnit(36
9.8.2RHMIControlUnit(36
10Typetest(37
10.1Protectionfunction(37
10.2Electromagneticcompatibility(38
10.2.1Emissiontest(38
10.2.2Immunitytests-enclosureport(39
10.2.3Immunitytests-powersupplyport(40
10.2.4Immunitytests-communicationports(41
10.2.5Immunitytests–binaryinputandoutputports(42
10.3Insulationresistance(42
10.4Mechanicalrobustness(42
10.5Climaticconditions(42
11ConnectionDiagram(43
11.1ConnectorPlate(43
11.2HMIControlUnit(44
11.3REF542pluswithmechanicalbinaryI/O(45
11.4REF542pluswithsolidstatebinaryI/O(48
11.5REF542pluswithmechanicalbinaryI/O(version2(51
11.6Analoginputboardversions(52
1General
TheREF542plusMultifunctionProtectionandSwitchbayControlUnitisthefurtherdevelopmentoftheformerREF542unit.Likeitspredecessor,itfeaturesthefollowingfunctions:
Protection
Measurement
Control
Monitoring
Allfunctionsmentionedaboveandpowerqualityfunctionsareintegratedinaprogrammableenvironment.Theexceptionalflexibilityandscalabilityofthesenewgenerationdevicesleadtoasmartandcleansolutionwherethetraditionalapproachwouldbeineffectiveandexpensive.
ThefollowingfiguresshowexamplesoftheREF542plusinstallationinseveralswitchboards.
Figure1:
REF542plusinstalledingasinsulatedswitchboards(GIS
Figure2:
REF542plusinstalledinanairinsulatedswitchboard(AIS
TheREF542plusisbasedonareal-timemicroprocessorsystem.ThemeasurementandprotectionfunctionsareexecutedbyaDigitalSignalProcessor(DSP,whileaMicro
Controller(MCisexecutingthecontrolfunctions.Duetothistaskseparationthereisnoimpactbetweenthestartandthetripbehavioroftheimplementedprotectionscheme,shouldthecontrolschemebemodified.TheCommunicationProcessor(CPisneededforconnectiontoastationautomationsystem.AblockdiagramoftheREF542plusis
showninfigure3.
Figure3:
REF542plusBlockdiagram
REF542plus,asshowninfigure3,consistsoftwoparts,aCentralUnitandaseparateHumanMachineInterface(HMI.TheCentralUnitcontainsthepowersupply,processorandanalogandbinaryInputandOutput(I/Omodules,aswellasoptionalmodulesforsupplementaryfunctions.
TheHMIControlUnitisastand-aloneunitwithitsownpowersupply.ItcanbeinstalledontheLowVoltage(LVcompartmentdoororinadedicatedcompartmentclosetotheCentralUnit.TheHMIisnormallyusedtosettheprotectionparametersandtolocallyoperatetheswitchingdevicesintheswitchbay.TheHMIisconnectedtotheCentralUnitbyashielded,isolatedtwistedpairaccordingtotheRS485interface.Figure4showsaninstallationoftheCentralUnitandtheHMIControlUnitintheLVcompartmentofaswitchboardfortheswitchbay.
Figure4:
MountingoftheCentralUnitintheLVcompartmentandtheHMIonthedoor
TheHMIControlUnit,asshowninfigure5,featuresaback-illuminatedLiquidCrystal
Display(LCD,eightpushbuttons,severalLEDsandanelectronickeyinterface.Thelanguageofthedisplaycanbeselectedviatherelatedconfigurationsoftwaretool,whichisalsousedtodefinetheprotectionandthecontrolscheme.
Figure5:
TheHMIControlUnit
ThelefthalfoftheLCDdisplayisreservedfortheSingleLinediagram.Therighthalfisusedtodisplaytheappropriatemenuorsubmenuasdeterminedbytheuser.Twodifferentelectronickeyswithdifferentaccessrightsareavailable.Eachofthekeysareprogrammedtopermiteither:
protectionfunctionsparameterizationofthe
modeselectionofthecontrolfunctions
ThreefreelyprogrammableLEDbarshavebeenprovidedonthefrontoftheHMIControlUnit.EachLEDbarconsistsoftengreenandtworedLEDsandisuserconfigurabletodisplayanyrequiredmeasurementvalue.TheredLEDsareusedtoindicatevaluesabovetheratedvalue.
ThefunctionsoftheREF542pluscanbetailoredtothesystemrequirementsviaauser-specificconfiguration.Theuser-specificconfigurationisloadedduringcommissioning.Forthatpurposetheconfigurationcomputer,normallyapersonalcomputer(notebookrunningWindowsNT,isconnectedtotheopticalinterfaceonthefrontsideoftheHMIControlUnit.
TheinterfaceofthemultifunctionalunitREF542plustotheMediumVoltage(MVprimaryprocessisasfollows:
Analoginputstomeasurecurrentandvoltagesignalsfrominstrumenttransformersornonconventionalsensors
Binaryinputswithopticalcouplersforthegalvanicseparationoftheexternalsignalstobeprocessed;
Binaryoutputswithconventionalmechanicalrelaysorstaticoutputsforthecontrolofswitchingdevices;
Optionalfourchannelanalogoutputs0to20mAor4to20mA
OptionalconnectiontoABBorthirdpartystationautomationsystem.
REF542plusisacertifiedproductforcompliancetotheIndustrialITarchitectureconceptofABB.
IndustrialITproductscanbeeffectivelycombinedtogetherintovalue-addedsystemsandsolutionsina“Plug&
Produce”manner.
Complianceaccordingto“Level0:
Information”ensuresthatallrelevantproductdocumentation–includingtheoperationmanual,instructionsforinstallationandmaintenance,electricalandmechanicaldrawings,testreportsandspecificorderinformation-isonlineavailable,inelectronicformat,foraccessviasoftwareproductsandsystemsbasedontheABBAspectIntegratorPlatform.
Inthisway,significantbenefitsareenabledtothefinaluserformucheasierandeffectiveinstallation,configuration,operationandmaintenanceoftheproductintheplant.DetailedinformationonIndustrialITisavailableatit
2Functions
REF542plusMultifunctionProtectionandSwitchbayControlUnitintegratesallthe
secondaryfunctionsinasingleunit.Thismultifunctionalunitalsofeaturesaself-
monitoringfunction.Allfunctionsaredesignedasfreelyconfigurablesoftwaremodules.
Therefore,awiderangeofoperationrequirementsinMVstationscanbemetwithoutanyproblems.TheversatilityofthesoftwaremakesitpossibletousetheREF542plusoneveryswitchboardindependentonthespecificapplicationrequired.
2.1Configuration
Eachapplicationforprotectionandcontrolcaneasilybeconfiguredbysoftwarefunctionmodules,whichmakearbitrarydefinitionofthefollowingfeaturesaspartofthesecondarysystempossible:
LED'
s(meaningandcolorsforlocalindication
SingleLinediagramtoshowthestatusofswitchingdevices
Protectionschemes
Controlschemes
Interlockingschemes
Automationsequences
AllfunctionsintheswitchbaycanbespecifiedincollaborationwithABB.Theresultoftheconfigurationissavedanddeliveredtogetherwiththeswitchboardtotheusers.Byusingthe"
FUnctionalblockProgrammingLanguage”(FUPLAtheREF542plusMultifunctionProtectionandSwitchbayControlUnitoffersengineers,especiallythosewhoarenotsoftwareexperts,theopportunityofeasilyupdatingtheoperationandhandlingoftheswitchbay.
WithREF542plustheuserhasthebenefitofasecondarysystemthatisfullyintegratedin
atrueprogrammablecontroller.Thisflexibilityisveryadvantageousfordefiningcontrol
functionsforautomationsequences,whichcan,forexample,includetheinterlockingoftheswitchingdevices,blockingthereleaseofspecificprotectionfunctions,aswellasstartingswitchingsequences.
REF542plusmultifunctionalunitprovidesawiderangeoflogicalfunctionssothateachrequiredcontrolschemescanbeconfigured.Therangeoflogicalfunctionsincludes:
ANDlogicgate
NANDlogicgate
ORlogicgate
NORlogicgate
XORlogicgate
Bistableandmonostableflipflop
Counters
Timers
Pulsegenerators
Memories
Similartothefreedefinitionofthecontrolscheme,eachrequiredprotectionschemecanbeconfiguredbythecombinationoftheavailableprotectionfunctionmodules.For
example,thefollowingprotectionfunctionsareavailable:
Definitetimeovercurrentprotection
Inversetimeovercurrentprotection
Directionalovercurrentprotection
Under-orovervoltageprotection
Distanceprotection
Differentialprotectionfortransformerandmotor
Thermalprotectionforcable,t
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