Operating Instructions - VEGAVIB 63 with relay …

1 , ,tip, ,warning, , , , ,thecountry-specificinstallationstandard s( ) (89/336/EWG),fulfilstheNAMUR recommendationNE21andisinCEconformitywit hLVD(73/23/EWG). :lEMC:-EmissionEN61326:1997(classB)-Susc eptibilityEN61326:1997/A1:1998lLVD:EN610 10-1 "Functionalsafety". :lChapter"Storageandtransport"lChapter"D isposal" :lVEGAVIB63levelsensorlDocumentation-thi soperatinginstructionsmanual-Ex-specific safetyinstructions(withExversions)and,if necessary,furthercertificatesVEGAVIB63 , , (density:1g/cm ) ( ,sludge,graveletc.) :lCorrectvibratingfrequencylLinebreaktot hepiezodriveIfoneofthesefaultsisdetected orincasethepowersupplyfails,theelectroni cstakesonadefinedswitchingcondition, (safecondition).

2 , , ,aconnecteddevicecanbeoperateddirectly( ,aPLC,apumpetc.). > (> ) :PhysicalprinciplePowersupply8 VEGAVIB63-withrelayoutputProductdescript ion29277-EN-050812lsignallampforindicati onoftheswitchingcondition(green/red) , , "Supplement-Technicaldata-Ambientconditi ons" , (seechapter"Connectingtopowersupply") ,inareaswheremoistureisexpected( ) , , :Thehousingmustnotbeusedtoscrewtheinstru mentin! , ,vibrationsorsimilar, ,donotuseanoverlylongextensiontubeforVEG AVIB63, , , , , ,agitators, , , , :Fillinginthecenter,emptyinglaterally1 VEGAVIB632 Emptyingopening3 FillingopeningInapplicationssuchasgritch ambersorsettlingbasinsforcoarsesediments , >.

3 LConnectonlyinthecompleteabsenceoflinevo ltageInhazardousareasyoushouldtakenoteof theappropriateregulations, , ,connectVEGAVIB63tovesselground(PA),orin caseofplasticvessels, , ( ) , , , (4in)ofthecablemantle, ( )insulationfromtheendsoftheindividualwir es4 Insertthecableintothesensorthroughthecab leentry5 Lifttheopeningleversoftheterminalswithas crewdriver(seefollowingillustration)6 Insertthewireendsintotheopenterminalsacc ordingtothewiringplan7 Pressdowntheopeningleversoftheterminals, youwillheartheterminalspringclosing8 Checktheholdofthewiresintheterminalsbyli ghtlypullingonthem9 Tightenthecompressionnutofthecableentry, , :Materialversions,singlechamberhousing1 Plastic(notwithEExd)2 Aluminium3 Stainlesssteel(notwithEExd)4 Filterelementforpressurecompensation(not withEExd).

4 Electronicsandconnectioncompartment1 Potentiometerforswitchingpointadaptation (covered)2 DILswitchformodeadjustment3 Groundterminal4 Terminals5 ControllampWerecommendconnectingVEGAVIB6 3insuchawaythattheswitchingcircuitisopen whenthereisalevelsignal,linebreakorfailu re(safecondition). :lPotentiometerforswitchingpointadaptati on(1)lDILswitchformodeadjustment-min/max (2)lSignallamp(5)Note:Asarule,alwayssett hemodewiththemodeswitch(2) (2) :ElectronicsmoduleVB60R-Relayoutput1 Potentiometerforswitchingpointadaptation 2 DILswitchformodeadjustment3 Groundterminal4 Terminals5 ,thepotentiometerofVEGAVIB63issettomidpo sition( ).

5 Inverylightsolids,turnthepotentiometerto completeleftposition( ).Bydoingthis, ,turnthepotentiometertothecompleterightp osition(> or> ). , ( ) "Functionchart"( , ). (replaycontactdeenergizeswhenreachingthe switchingpoint),becausetherelaytakesonth esame(safe) (flashing)= (8)(6)(7)RelayenergizedgreenSwitchingpoi ntadaptation(1)Modeadjustment(2)Signalla mp(5) (8)(6)(7) (8)(6)(7) (8)(6)(7)Relaydeener-gizedredFailureofth esupplyvoltage( )any534(8)(6)(7)Relaydeener-gizedFailure any534(8)(6)(7) , , ,pleasecallinurgentcasestheVEGA servicehotlineunderthephonenumber+ , , "covered"whenthevibratingelementisnotsub merged(overfillprotection)?

6 VEGAVIB63signals"uncovered"whenthevibrat ingelementissubmerged(dryrunprotection)l Supplyvoltagetoolow CheckthepowersupplylElectronicsdefective Pushthemodeswitch( ).Iftheinstrumentthenchangesthemode, , , Checkifthereisbuilduponthevibratingeleme nt,andifso, Mounttheinstrumentatalocationwherenodead zonesormoundscanforminthevessel. Setthecorrectmodeonthemodeswitch(max:ove rfillprotection;min:dryrunprotection). , , , :1 Switchoffpowersupply2 Unscrewthehousingcover3 Lifttheopeningleversoftheterminalswithas crewdriver4 Pulltheconnectioncablesoutoftheterminals 5 LoosenthetwoscrewswithaPhillipsscrewdriv er(size1) :Loosenthescrews1 Electronicsmodule2 Screws(2pcs.)

7 , :Youcandownloadareturnform(23KB) :"Services Downloads FormsandCertificates Repairform". :Beforedismounting, ,hightemperatures, "Mounting"and"Connectingtopowersupply" , ( ).Materials:see"Technicaldata"Ifyoucanno tdisposeoftheinstrumentproperly, , :lMode"max"foroverfillprotectionlMode"mi n" :lSIL2witharchitecture1oo1D(singlechanne l)lSIL3witharchitecture1oo2D(double-chan nel/redundant)Withaspecialfactorysetting ,themeasuringsystemisalsosuitablefordete ctionofsolidsinwater(seeoperatinginstruc tionsmanual). :lInmode"max":condition"covered"lInmode" min":condition"uncovered"lIEC61508-1,-2, -4-Functionalsafetyofelectrical/electron ic/programmableelectronicsystemsThefailu relimitvaluesforasafetyfunction,dependin gontheSILclass(ofIEC61508-1, )SafetyintegritylevelLowdemandmodeHighde mandmodeSILPFDavgPFH4>=10-5upto<10-4>=10-9upto<10-83>=10-4upto<10-3>=10-8upto<10-72>=10-3upto<10-2>=10-7upto<10-61>=10-2upto<10-1>=10-6upto<10-5 ValidityAreaofapplicationSafetyfunctionR elevantstandardsSafetyrequirements28 VEGAVIB63-withrelayoutputFunctionalsafet y29277-EN-050812 Safetyintegrityofthehardwareforsafety-re latingsubsystemsoftypeB(IEC61508-2, )

8 SafefailurefractionHardwarefaulttoler-an ceSFFHFT=0 HFT=1 HFT=2<60%notpermittedSIL1 SIL260%upto<90%SIL1 SIL2 SIL390%upto<99%SIL2 SIL3(SIL4)>=99%SIL3(SIL4)(SIL4) , :lAvoidbuilduponthevibratingsystem(possi blysmallerprooftestintervals)Fortheimple mentationofFMEDA(FailureMode,EffectsandD iagnosticsAnalysis)thefollowingassumptio nsformthebasis:lFailureratesareconstant, wearofthemechanicalpartsisnottakenintoac countlFailureratesofexternalpowersupplie sarenotincludedlMultipleerrorsarenottake nintoaccountlTheaverageambienttemperatur eduringtheoperatingtimeis+40 C(104 F)lTheenvironmentalconditionscorrespondt oanaverageindustrialenvironmentlThelifet imeofthecomponentsisaround8to12years(IEC 61508-2, ,remark3) ( )afterafail-safeerroriseighthours(MTTR=8 h)lInthemodewiththelowestdemandrate, ,thenthemeasuringsystemcanbeusedassafety -relevantsubsystemin"lowdemandmode"(IEC6 1508-4, ).

9 Iftheratiooftheinternaldiagnosticstestra teofthemeasuringsystemtothedemandrateexc eedsthevalue100,themeasuringsystemcanbet reatedinthewayitisexecutingasafetyfuncti oninthemodewithlowdemandrate(IEC61508-2, ).Correspondingcharacteristicsisthevalue PFDavg(averageProbabilityofdangerousFail ureonDemand). "Safety-technicalcharacteristics".Ifthe" lowdemandmode"doesnotapply,themeasurings ystemmustbeusedassafety-relevantsubsyste min"highdemand"(IEC61508-4, ). (failurerate).Numbersseeparagraph"Safety -technicalcharacteristics".Thesafecondit ionofthemeasuringsystemistheswitchedoffs tatus(quiescentcurrentprinciple):lVB60R( relayoutput) RelaydeenergizedAfail-safefailure(safefa ilure) , ( ).

10 , , ,theelectronicsorthecompletesensorisinte rchanged,themanufacturermustbeinformed( ). "Safety-relatedcharacteristics".Configur ationoftheprocess-ingunitMountingandinst allationVEGAVIB63-withrelayoutput31 Functionalsafety29277-EN-050812 Inhighdemandrate, , , +40 C(104 F).Thecalculationsarealsobasedonthespeci ficationsstatedinchapter"Planning".Modes witchissetto"max" sd0 FITsafedetectedfailure(1 FIT=failure/109h) su586 FITsafeundetectedfailure dd124 FITdangerousdetectedfailure du27 FITdangerousundetectedfailureSFF>96%Safe FailureFractionDCS0%DiagnosiscoverageDCS = sd/( sd+ su)DCD82%DiagnosiscoverageDCD= dd/( dd+ du)Overfillprotection32 VEGAVIB63-withrelayoutputFunctionalsafet y29277-EN-050812 Modeswitchissetto"min" sd0 FITsafedetectedfailure su565 FITsafeundetectedfailure dd135 FITdangerousdetectedfailure du37 FITdangerousundetectedfailureSFF>95%Safe FailureFractionDCS0%DiagnosiscoverageDCS = sd/( sd+ su)DCD78%DiagnosiscoverageDCD= dd/( dd+ du)