SEIKAfrontpageS***85BRS232/RS485interfaceconverterforconnectionofSEIKAsensorswithRS485interfacetoRS232portofacomputer[+]SEIKAfrontpageprintversion(pdf)Featuresrobust,pressurediecastaluminiumhousing(IP65)withsaltwaterproofcoating9...15Voltsupplyvoltageeitherconnectionpolarityinternal5Voltstabilizingandinternalgenerationofthe+/-RS232voltagelevelshalf-duplexRS232/RS485busupto128participantsonRS485bus9channelSubDRS232portLEDindicatingbusactivityDescriptionTheinterfaceconverterc***istsofanaluminiumhousingwithaPCB,a9-channelSubDportfortheRS232bus,a4-channelclampfortheRS485bus,aplugfortheexternal12Vsupplyvoltage,twoLEDsformonitoringsystemoperation,thebusvoltagelevelandterminationresistancesandtheinterfaceelectronicswithvoltagelevelconvertersandtran***issionlinedriversandreceivers.ApplicationTheinterfaceconverterconnectsanySEIKAsensorwithRS485dataoutputinterfacetotheRS232portofacomputer.TechnicalSpecificati***Supplyvoltage12Volt&plu***n;3VoltCurrentdrawnapprox.30mA+currentdrawnbysensorsRS485terminals4x1.5mm2RS232portDSub9socketRS485BushalfduplexTerminatorresistance100Ohm,canbedisengagedbysolderbridgeESDprotectiononRS485bus&plu***n;15kV(HumanBodyModel)Participantsonsinglebusmax.128Datatransferratemax.250kbpsConnectiontoSEIKA-RS232/485converterS***85BNV4aFilteringsignalconditionerforsensorsignalmatchingwithsymmetrical+/-4VvoltageoutputSEIKAfrontpageprintversion(pdf)Featureslownoiseandlowdriftnoregulatedsupplyvoltagenecessaryinternalgenerationofnegativeoperatingvoltageintegratedreversepolarityprotectionoutputsareshortcircuitproofhighlystablevoltagesupplyforoperationofasensorprotectionagainstreversesensorpolarityzeropositionandgainadjustableviapotentiometerselectroniccomponentshermeticallysealedoptionallyfrequencyprogrammable,active5thorderlowpassfilteroptionalhighpassfilterdifferentconnectoropti***DescriptionTheNV4aamplifies,filtersandnormalizestheoutputsignalsofSEIKAsensors.Thesymmetricaloutputsignalenablesunproblematicsubsequentsignalprocessingwithstandardmeasuringinstrumentssuchasoscilloscopes,transientrecorders,A/Dconverters,multimeters,etc.Multipleinternalswitchingvariantsallowforoptimaladaptationofsignalprocessingparameters,suchassettlingtime,filtercut-offfrequenciesandamplificationandzeropointadjustment,tothemeasuringtask.ApplicationTheNV4ahasitsapplicationanywhereaSEIKAsensoris,withoutmuchexpenditureandunderoptimalcompatibility,tobeconnectedtoapplicationspecificmeasuringequipmentwithoptimalmatchingconditi***andsubsequentadjustmentstoamplificationandzerovoltagearenecessary.TechnicalSpecificati***Dimensi***seedimensiondrawingSupplyvoltage9V...30V(polarityprotectedupto-70Volt)Currentdrawnexcludingsensorsapprox.5mAOperatingtemperature0...70°CInternallygeneratedsensorsupplyvoltage5.00VoltTemperaturedriftofsensorsupplyvoltage20ppm/KelvinOutputsignalrange&plu***n;3.5VoltOffsetadjustrange2.4V...2.6V(largerrangesonrequest)Outputimpedanceapprox.100OhmSignal-to-noiseratio30μVs.s.Signal-to-noiseratiowithstandardsensorsapprox.80dBFrequencyrange0...10Hz,0...200Hz,0...2kHz,customrangesonrequestElectricalconnecti***pinconnector2.54mm,length5.7mm,?0.63mmgold-plated;solderpadsoptionalDimensi***(inmm)NV6aFilteringsignalconditionerforsensorsignalmatchingtoa4...20mA,2-wireinterfaceSEIKAfrontpageprintversion(pdf)Featureslownoiseandlowdrift2-wireconnection-powersuppliedbycurrentlooploopcurrentlimitationintegratedreversepolarityprotectionhighlystablesensorsupplyvoltageprotectionagainstreversepolarityofsensorconnectionzeropositionandgainadjustableviapotentiometerselectroniccomponentshermeticallysealedoptionallyfrequencyprogrammable,active3rdorderlowpassfilteroptionalhighpassfilterdifferentconnectoropti***DescriptionTheNV6aamplifies,filtersandnormalizestheoutputsignalsofSEIKAsensors.Thesymmetricaloutputsignalenablesunproblematicsubsequentsignalprocessingonthebasisof4...20mAcurrentlooptechnology.TheNV6adoesnotrequireaseparatesupplyvoltage,astheinternaloperatingvoltagefeedsoffthecurrentloop.TheNV6afurthermoreprovidesahighlystable5Vsensorsupplyvoltagewithshortcircuitcurrentlimitation.Multipleinternalswitchingvariantsallowforoptimaladaptationofsignalprocessingparameters,suchassettlingtime,filtercut-offfrequenciesandamplificationandzeropointadjustment,tothemeasuringtask.ApplicationTheNV6ahasitsapplicationanywhereaSEIKAsensoris,withoutmuchexpenditureandunderoptimalcompatibility,tobeconnectedtomeasuringequipmentoperatingon4...20mA,2-wirecurrentloopbasisandsubsequentadjustmentofamplificationandzeropositionarenecessary.Typicalapplicati***arethecouplingwithmemoryprogrammablecontrolsystemsandthesignaltran***issionoverlongdistanceswithlittletran***issionlinesetup.TechnicalSpecificati***Terminalvoltage10V...30V(reversepolarityprotectedto-70Volt)Minimumloopcurrentexcludingsensor2.5mA...3.5mAMaximumloopcurrent22mA...26mAOperatingtemperature-40°C...+85°CInternallygeneratedsensorsupplyvoltage+5.00VoltTemperaturedriftofsensorsupplyvoltage20ppm/KelvinMaximumallowablesensorcurrentapprox.2mASignalloopcurrentrange4...20mAZerocurrent12mACompensationrangeofsensoroffsetvoltageUS_offset2.3V...2.7V(largerranges,e.g.forB1inZdirectiononrequest)Amplificationrangewithrespecttoaloopcurrentof12&plu***n;8mAUS_offset&plu***n;100mV,US_offset&plu***n;300mV(onrequest)Maximumloadresistanceat24Vsupplyvoltage500OhmSignal-to-noiseratio30μVs.s.Signal-to-noiseratiowithstandardsensors>65dBFrequencyrange0...10Hz,0...200Hz,0...1kHz,customrangesonrequestElectricalconnecti***pinconnector2.54mm,length5.7mm,?0.63mmgold-platedsolderingpadsoptionalNV8aFilteringsignalconditionerforsensorsignalmatchingwithanasymmetric0...5VoutputvoltageSEIKAfrontpageprintversion(pdf)Featureslownoiseandlowdriftnostabilizedsupplyvoltagenecessaryintegratedreversepolarityprotectionoutputsareshortcircuitproofhighlystablesupplyvoltageforsensoroperationprotectionagainstreversepolarityofsensorconnectionzeropositionandgainadjustableviapotentiometerselectroniccomponentshermeticallysealedoptionallyfrequencyprogrammable,active4thorderlowpassfilteroptionalhighpassfilterdifferentconnectoropti***DescriptionTheNV8aamplifies,filtersandnormalizestheoutputsignalsofSEIKAsensors.Theasymmetricoutputsignalenablesunproblematic,subsequentsignalprocessingwithstandardmeasuringequipment,suchasoscilloscopes,transientrecorders,A/Dconverters,multimeters,etc.,operatingwiththisasymmetricsignallevel.TheNV8arequiresanon-stabilizedsupplyvoltageintherangeof9...30Volt.TheNV8aprovidesahighlystable5Vvoltagewithshortcircuitcurrentlimitationasasensorsupplyvoltage.Multipleinternalswitchingvariantsallowforoptimaladaptationofsignalprocessingparameters,suchassettlingtime,filtercut-offfrequenciesandamplificationandzeropointadjustment,tothemeasuringtask.ApplicationTheNV8ahasitsapplicationanywhereaSEIKAsensoris,withoutgreatexpendituresandunderoptimalcompatibility,tobeconnectedtoapplicationspecificmeasuringequipmentandsubsequentadjustmentofamplificationandzeropositionarenecessary.Theuseofanasymmetricoutputvoltagerequiresminimalelectronicsforfurthersignalprocessing.TechnicalSpecificati***Supplyvoltage+9...+30Volt(reversepolarityprotectedto-70Volt)Currentdrawnexcludingsensorapprox.5mAOperatingtemperature-40°C...+85°CInternallygeneratedsensorsupplyvoltage5.00VoltTemperaturedriftofsensorsupplyvoltage20ppm/KelvinMaximumoutputvoltagerange0.05V...4.95VOutputsignalrange(2.5&plu***n;2)VoltZerooffsetrange2.4V...2.6V(largerranges,e.g.forB1inZdirectiononrequest)Outputimpedanceapprox.100OhmSignal-to-noiseratio30μVs.s.Signal-to-noiseratiowithstandardsensorsapprox.80dBFrequencyrange0...10Hz,0...200Hz,0...2kHz,customrangesonrequestElectricalconnecti***pinconnector2.54mm,lenght5.7mm,?0.63mmgold-platedsolderingpadsoptionalSW3SensorcubeformultiaxialarrangementofSEIKAaccelerometersand/orSEIKAinclinometersSEIKAfrontpageprintversion(pdf)DescriptionTheSW3canaccommodateSEIKAsensorsformeasurementsinuptothreedirecti***.TheSEIKAinclinometersN3,N4,NB3andallSEIKAaccelerometerscanbeintegratedinanycombinationaccordingtocustomer'sspecificati***.ApplicationTheinterfaceconverterconnectsanySEIKAsensorwithRS485dataoutputinterfacetotheRS232portofacomputer.TechnicalSpecificati***Materialnickel-platedbrassWeightexcludingsensors78gramsWeightincludingsensorsapprox.145gramsElectricalconnectioncableorsinglewiresasrequiredSBBS1,SBBB1,SBBW1Fixingplatesfromstainlesssteelforsensorboxes[+]SEIKAfrontpageprintversion(pdf)ApplicationThefixingplatesareusedforthesimplifiedfixingandpositioningofthesensorboxesSB..atthepointofmeasurement,withoutthesensorboxmustbeopenedforthispurpose.TechnicalSpecificati***MaterialstainlesssteelWeightSBBS1,SBBB1,SBBW1withoutsensorbox102,128,272gramsWeightaccessorys(screwsandtappedbushings)approx.10gramsDimensi***seedimensiondrawingsAccessorys(screwsandtappedbushings)includingDimensi***SBBS1(inmm))