dsx_seminar0810

ExplosionProofServoMotorTechnologyAugust2010

ElwoodHighPerformanceMotorsweb:http://www.elwood.com/gettys.shtmlemail:[email protected]:2626376591

.../212/51/dSX_Seminar0810.pptslide:1

Overview ElwoodCorporation,BackgroundInformation

Encompass/EnabledPartnerProducts(RockwellAutomation)

Definitions

HazardousLocationClassification

ServoMotorRatings

ServoMotorConstruction

ConnectionDiagrams

AdditionalResources

ElwoodContacts



ElwoodCorporation:Background Privatelyheld

Founded:1973

Diversebusinessgroups ElectronicProducts

FluidPower

HighPerformanceMotors

HighVoltageCapacitors

ISO9001:2000Certified:Certificate ATEX,ULProducts

AS9102Products



EncompassPartnerProducts ElwoodHSeriesServoMotors

Authorized,truedropinreplacementsforRockwellAutomationS,H,W,and1326ASseries

Website:Elwood'sHSeriesServoMotorWebsite

Brochure:Elwood'sHSeriesBrochure

EncompassWebsite:RockwellAutomation'sHSeriesEncompassWebsite

Pricelist:Elwood'sHSeriesServoMotorPriceList



EncompassPartnerProducts ElwoodSXSeries(ExplosionProof)ServoMotors

M43x,M44x:ClassI,Div.1&2,GroupsC&D,T4

M46x,M47x:ClassI,Div.1&2,GroupsC&D,T3C

ClassII,Div.1&2,GroupsE,F,&G,T3C

Website:Elwood'sSXSeriesWebsite

Brochure:Elwood'sSXSeriesBrochure

EncompassWebsite:RockwellAutomationsEncompassWebsiteforSXSeriesMotors



EnabledPartner SXSeries(ExplosionProof)ServoMotorsareaRockwellAutomation

EnabledPartnerProduct. MotorsintegrateasiftheywereproducedbyRockwellAutomationproduct

MotordatafilesincludedinLogixdatabase

Blobfilespreloadedforselfrecognition(onversionswithabsolute(Stegmann)feedback)



Definitions(FromNEC): HazardousLocation:Wherefireorexplosionhazardsmayexistduetoflammable

gasesorvapors,flammableliquids,combustibledust,orignitablefibersorflyings.

ExplosionProof(flameproof):Anenclosuredesignedtocontaintheexplosionofaflammablemixtureoriginatinginternallywithoutdamageandwithoutcausingignitionintheexternalenvironment.

FlamePath:Thejointsofaflameproofenclosuredesignedtocontainaninternalflame.

IncreasedSafety:Protectionappliedtoelectricalequipmentthatwillnotproducearcsandsparksintypicaluseandspecifiedabnormalconditions.

IntrinsicSafety:Protectionwhereanysparkorthermaleffectisincapableofcausingignition.



HazardousLocationClassification NationalElectricCode(NEC)sections500517classifyandspecify

installationrequirementsofHazardouslocations.

TheOccupationalSafetyandHealthAdministrationhasoversightforinspecting/evaluatinginstallationsinHazardouslocations.

Typically,organizationswillconductariskassessmenttodeterminerequirementsforspecificinstallations Safetycommittee

Consultants



ClassI:GasAtmospheres

FromNEC500.5:ClassIlocationsarethoseinwhichflammablegases,flammableliquidproducedvapors,orcombustibleliquidproducedvaporsareormaybepresentintheair.



ClassI:DivisionClassification Division1:Whereignitableconcentrationsofflammablegases,

vaporsorliquidscanexistallofthetimeorsomeofthetimeundernormaloperatingconditions.

Division2:Whereignitableconcentrationsofflammablegases,vaporsorliquidsarenotlikelytoexistundernormaloperatingconditions.



ZoneClassification ZoneClassificationisanalternativemethodtoDivisionClassification

fromCSA,IEC,andEUStandards Zone0:Whereignitableconcentrationsofflammablegases,vapors

orliquidsarepresentcontinuouslyorforlongperiodsoftimeundernormaloperatingconditions.

Zone1:Whereignitableconcentrationsofflammablegases,vaporsorliquidsarelikelytoexistundernormaloperatingconditions.

Zone2:Whereignitableconcentrationsofflammablegases,vaporsorliquidsarenotlikelytoexistundernormaloperatingconditions.



DivisionZoneComparison Division1isequatedtoZones0andZone1

Division2isequatedtoZone2

ZoneClassificationisthemethodusedbyIECandEU(ATEX)



ClassIGroups Groupsdefinethehazardouschemicalspresent.

DivisionClassification: GroupA:(acetylene) GroupB(hydrogen) GroupC(ethylene) GroupD(propane)

ZoneClassification: IIC(acetylene&hydrogen) IIB(ethylene) IIA(propane)



ClassII:DustAtmospheres

FromNEC502.1:ClassIIlocationsarethoseinwhichfireorexplosionhazardsmayexistduetocombustibledust



ClassII:Divisions,Zones Divisions1and2forClassIIenvironmentsareequivalenttoClassI

ZonesforClassIIenvironmentsareequivalenttoClassIbutprecededby2 Zone0(ClassI)~Zone20(ClassII)

Zone1(ClassI)~Zone21(ClassII)

Zone2(ClassI)~Zone22(ClassII)



ClassIIGroups

Groupsdefinethehazardousdustpresent. GroupE(metalsDiv.1only)

GroupF(coal)

GroupG(grain)



TemperatureRatings Temperatureratingsreflectthemaximumsurfacetemperatureallowed Temperatureratingofadevicemaynotexceedtheignition

temperatureofthehazardousgas,liquid,vapor,dustpresent.T1 450C

T2 300C

T3 200C

T3A 180C

T3B 165C

T3C 160C

T4 135C

T5 100C

T6 85C



MotorRatings DivisionSystem(Example)

ClassIDiv.1GroupCT3 ClassI:GasAtmosphere Div.1:Division1Continuouspresenceofhazard GroupC:Ethertypehazard(group) T3:Maximumsurfacetemperature135C

ZoneSystem(EquivalentExample)ClassIZone1AExdIIBT3

Zone1:Likelypresenceofhazard AEx:USStandard,ExplosionProof d:Flameproofenclosure IIB:Ethertypehazard(group)



MotorConstruction Materialsarecertified(tensiletested)

Tiebolts

Weldedconductorstandoff

Pottedconductorexits

Sealsarepresentbutnotincludedinflamepath

Assemblyfitcalculationsandrecords(verification)

ClassIImotorsincorporateaslingerattheshaft

Repairsmustbeconductedatthefactorytomaintainmotorrating/certification



MotorConstruction



MotorFlamePathFit



ConnectionDiagrams ConnectionDiagramforSXSeriesMotorswithResolvers:

Resolver

ConnectionDiagramforSXSeriesMotorswithIncrementalEncoders:Incremental

ConnectionDiagramforSXSeriesMotorswithAbsolute(Stegmann)Encoders:Absolute



AdditionalResources

OSHAswebsitedescribingandclassifyinghazardouslocations

UL:OnsiteSafetyEvaluations

Adalet:ExplosionProofEnclosures

AppletonElectric:ExplosionProofEnclosures

Kilark(Hubbell):ExplosionProofEnclosures

ExpoTechnologies:HazardousAreaSolutions



ContactElwood SalesandCustomerService

[email protected]

2626376591ext.474

[email protected]

2626376591ext.413

SalesManagerandApplicationAssistance [email protected]

2626376591ext.495



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