第8章EPC與物聯(lián)網(wǎng)技術(shù)之EPC數(shù)據(jù)轉(zhuǎn)換

《EPC數(shù)據(jù)轉(zhuǎn)換》教學設(shè)計

物流信息系米志強2011.8.9一、教學課題引入

二、EPC碼介紹三、EPC資料結(jié)構(gòu)四、EPC碼標準規(guī)格文件主要內(nèi)容五、EPC與EAN條碼的轉(zhuǎn)換EAN/UCC-14指示碼代表意義指示碼當EAN-13的號碼，需以EAN-14來印制條碼符號時，則在前面補“0”，以編成14位數(shù)的EAN-14的號碼“0”有時也代表綜合包裝的商品0表示相同產(chǎn)品，但包裝數(shù)量不同之規(guī)格化包裝1～8數(shù)量變動之非規(guī)格化包裝，可結(jié)合EAN-128的AI(30)來表示其實際數(shù)量9一、教學課題引入

商品編號的包裝層級4710001000010EAN/UCC-1314710001000017EAN/UCC-1424710001000014EAN/UCC-14?單瓶裝 ?箱-內(nèi)裝20瓶?棧版-內(nèi)裝40箱一、教學課題引入

EPC碼介紹EPC產(chǎn)品電子碼EPC(ElectronicProductCode)AnidentifierUniquenumberAkeytounlocknetworkinformation二、EPC碼介紹ElectronicProductCode(EPC碼)是物件的身分證號碼一連串結(jié)構(gòu)化編號用以識別貨物、位置、服務、資產(chǎn)等有形無形的物體

EPC標簽除儲存識別碼之外，級別較高之標簽可儲存使用者所定義的資料

EPC編碼具全球唯一、包容及延展性，除編立新號碼外，亦可涵蓋既存的編碼方案二、EPC碼介紹EPC--------Flexibility(靈活性）Currentlysupportsthefollowing:GTIN(GlobalTradeItemNumber) GIAI(GlobalIndividualAssetIdentifier)SSCC(SerializedShippingContainerCode) GRAI(GlobalReusableAssetIdentifier)GLN(GlobalLocationNumber) US/DoD-CAGENDC(NationalDrugCode)Futuresupportforothers,suchasVIN(VehicleIdentificationNumber)二、EPC碼介紹TheRole（角色）

ofEPCsALE二、EPC碼介紹ElectronicProductCodeElectronicProductCode………inaTag二、EPC碼介紹RFIDTags物件唯一性編碼：EPC

HeaderFilterandPartitionValueDomainIdentifierEPCorEPCIdentifiere.g.SGTIN,SGLN,SSCCStandardEPCTagEncodingGTINSSCCGLNGRAIGIAIDOD二、EPC碼介紹EPC資料結(jié)構(gòu)EPC資料結(jié)構(gòu)GeneralIdentifier(GID-96位元)2.68億個公司1千6百萬個物件680億個單一品項EPCEncoding-HeaderAVariablelength

（可變長度）2bitsor8bits（2位或8位）00isinvalid(無效）Header---標頭HeaderValue(二進位)HeaderValue(十六進位)編碼長度編碼類型001011112F96bitsDoD-96001100003096bitsSGTIN-96001100013196bitsSSCC-96001100103296bitsSGLN-96001100113396bitsGRAI-96001101003496bitsGIAI-96001101013596bitsGID-960011011036198bitsSGTIN-1980011011137170bitsGRAI-1700011100038202bitsGIAI-2020011100139195bitsSGLN-195TheRepresentation（表現(xiàn)）

ofEPCurn:epc:id:sgtin:0037000.112345.400sgtin:Header8bits00110000FilterValue3bits0115Partition3bits1010037000CompanyPrefix20-40bits0000100101011110111111234ItemReference24-4bits11010001100010010111111400SerialNumber38bits000000000000000000000000000000110010000urn:epc:id:sgtin:0037000.112345.400001100000111010000100101011110111111010001100010010111111000000000000000000000000000000110010000??EPC碼標準規(guī)格文件EPCTagDataStandardsVersion1.27Thisversion1.27onlyappliestotagtypesincommonuseatthetimeofitspublicationanditdoes“not”providespecificguidanceforusingUHFClass1Gen2.ReleasedonMay10,2005Owner:TagDataStandardWorkingGroupForClass0&Class1TagsSupporttheGS1BarcodesystemandDODidentitytypesEPCTDSVersion1.3.1ReleasedonMarch8,2006Owner:TagDataStandardWorkingGroupForClass-1Generation-2Tags&UHFRFIDProtocolSupporttheGS1systemandDODidentitytypesIdentityConcept（同一內(nèi)容）純標識層編碼層物理實現(xiàn)層IdentityConceptEPC與EAN條碼的轉(zhuǎn)換GTINvs.SGTINIndicatorDigitCheckDigitSerialNumberItemReferenceSerialNumberCompanyPrefixIndicatorDigitItemReferenceCompanyPrefixSGTINBit-LevelEncodingGTINplusSerialNumberIdentityStructureSGTIN-9600110000GID-96FilterValue用以快速篩選并預選基本的物流型態(tài)Partition

為指示公司前置碼與位址號碼分隔點，分隔值大小對應到公司前置碼和位址關(guān)聯(lián)號的長度SGTIN-198HeaderFilter

ValuePartitionCompanyPrefixItemReferenceSerialSGTIN-1988bits3bits3bits20-40bits24-4bits140bits00110110999,999–999,999,999,999(十進位容量)9,999,999-9(十進位容量)Upto20AlphanumericcharactersSSCCSSCC-96HeaderFilter

ValuePartitionCompanyPrefixSerialReferenceUnallocatedSSCC-968bits3bits3bits20-40bits38-18bits24bits00110001999,999–999,999,999,999(十進位容量)99,999,999,999–99,999(十進位容量)NotUsedSGLNSGLN-96HeaderFilter

ValuePartitionCompanyPrefixLocationReferenceExtensionComponentSGLN-968bits3bits3bits20-40bits21-1bits41bits00110000999,999–999,999,999,999(十進位容量)999,999–0(十進位容量)999,999,999,999(十進位容量)(該欄位未使用時必須設(shè)定為0)SGLN-195HeaderFilter

ValuePartitionCompanyPrefixLocationReferenceExtensionComponentSGLN-1958bits3bits3bits20-40bits21-1bits140bits00111001999,999–999,999,999,999999,999–0Upto20AlphanumericCharacters(假如該欄位不使用，其值必須設(shè)為0110000，后面再接133個2進位的0)GRAIGRAI-96HeaderFilter

ValuePartitionCompanyPrefixAssetTypeSerialNumberGRAI-968bits3bits3bits20-40bits24-4bits38bits00110011999,999–999,999,999,999(十進位容量)99,999–0(十進位容量)274,877,906,943(十進位容量)GRAI-170HeaderFilter

ValuePartitionCompanyPrefixAssetTypeSerialNumberGRAI-1708bits3bits3bits20-40bits24-4bits112bits00110111999,999–999,999,999,999(十進位容量)99,999–0(十進位容量)Upto16alphanumericcharactersGIAIGIAI-96HeaderFilter

ValuePartitionCompanyPrefixIndividulalAssetReferenceGIAI-968bits3bits3bits20-40bits62-42bits00110100999,999–999,999,999,9994,611686,018,427,387,903–4,398,046,511,103GIAI-202HeaderFilter

ValuePartitionCompanyPrefixIndividulalAssetReferenceGIAI-2028bits3bits3bits20-40bits168-162bits00111000999,999–999,999,999,999Upto24alphanumericcharactersDOD-96HeaderFilterValueGovernmentManagedIdentifierSerialNumberDoD-9684483600101111(Binaryvalue)(ConsultproperUSDept.defensedocumentfordetails)EncodedwithsuppliersCAGEcodeintruncatedASCIIformat(ConsultproperUSDept.Defensedocumentfordetails)68,719,476,735(Max.decimalvalue)EPCglobalStandardsOverviewEPCglobalSubscriberEPCglobalSubscriberEPCPhysicalObjectExchangeStandardsEPCInfrastructureStandardsEPCData

ExchangeStandardsEPCglobalCoreServicesandothersharedservicesExchangeofphysicalobjectswithEPCsPeer-to-peerexchangeofdataaboutEPCsSharedServiceInteractionsEPCglobalStandardsOverviewEPCglobalSubscriberEPCglobalSubscriberEPCPhysicalObjectExchangeStandardsEPCInfrastructureStandardsEPCData

ExchangeStandardsEPCglobalCoreServicesandothersharedservicesExchangeofphysicalobjectswithEPCsPeer-to-peerexchangeofdataaboutEPCsSharedServiceInteractionsEPCTagDataStandardRFIDProtocolsClass0Class1UHFClass1Gen2TagDataStandards

ConsistentGlobalIdentification

AnExampleofHowGTINIntegrationCouldWorkWiththeEPCEAN-1301234567890128312345678901200000001234561234567890128CompanyPrefixItemReferenceCheckDigit)IllustrativeExample(EAN-13):1234567890128RemoveCheckDigitHeaderEPCManagerNumberObjectClassNumberSerialNumberGTINEPC:1

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>EPCFormats（EPC數(shù)據(jù)格式）Binary–on-tagrepresentation001100000111010000100101011110111111010001100010010111111000000000000000000000000000000000000010TagURI–insoftwarewhenalltaginfoneedstoberepresented

urn:epc:tag:sgtin-96.3.0614141.100743.2PureIdentityURI–justtheEPC

urn:epc:id:sgtin:0614141.100743.2TagDataStandardsIdentityTypeTagEncodingsRelatedEAN.UCCCodeGIDGID-96SGTINSGTIN-64

SGTIN-96GTIN(withaddedserial#)SSCCSSCC-64

SSCC-96SSCCSGLNSGLN-64

SGLN-96GLN(withadditionalserial#)GRAIGRAI-64

GRAI-96GRAIGIAIGIAI-64

GIAI-96GIAISGTIN-96SchemeHeaderFilterValuePartitionCompanyPrefixItemReferenceSerialSGTIN-968bits3bits3bits20-40bits24-4bits38bits00110000(actualvalue)8(decimalcapacity)8(decimalcapacity)999.999–999.999.999.999(decimalcapacity)9.999.999-9(decimalcapacity)274,877,906,943(decimalcapacity)SGTINFilterValue（濾值）TypeBinaryValueAllothers000RetailConsumerTradeItem001StandardTradeItemGrouping010SingleShipping/ConsumerTradeItem011Reserved100Reserved101Reserved110Reserved111SGTINPartitionPartitionValueCompanyPrefixItemReferenceandIndicatorDigitbitsdigitsbitsdigits04012411371172234101033309144427817552472066206247SSCC-96SchemeHeaderFilterValuePartitionCompanyPrefixSerialReferenceUnallocatedSSCC-968bits3bits3bits20-40bits38-18bits24bits00110001(actualvalue)8(decimalcapacity)8(decimalcapacity)999.999–999.999.999.999(decimalcapacity)99.999.999.999–99.999(decimalcapacity)[Notused]PartitionValueCompanyPrefixSerialReferencebitsdigitsbitsdigits040121851371121623410247330928842783195247341062063811SSCCPartitionSGLN-96SchemeHeaderFilterValuePartitionCompanyPrefixLocationReferenceSerialNumberSGLN-968bits3bits3bits20-40bits21-1bits41bits00110010(actualvalue)8(decimalcapacity)8(decimalcapacity)999.999–999.999.999.999(decimalcapacity)999,999-0(decimalcapacity)2.199.023.255.551(decimalcapacity)GRAI-96SchemeHeaderFilterValuePartitionCompanyPrefixAssetTypeSerialGRAI-968bits3bits3bits20-40bits24-4bits38bits00110011(actualvalue)8(decimalcapacity)8(decimalcapacity)999.999–999.999.999.999(decimalcapacity)9.999.999-9(decimalcapacity)274,877,906,943(decimalcapacity)GIAI-96SchemeHeaderFilterValuePartitionCompanyPrefixIndividualAssetReferenceGIAI-968bits3bits3bits20-40bits62-42bits00110100(actualvalue)8(decimalcapacity)8(decimalcapacity)999.999–999.999.999.999(decimalcapacity)4,6111,686,018,427,387,903–4,398,046,511,103(decimalcapacity)HowGen2worksTagpopulationSelectedpopulationSingletagidentifiedTagisread/writtento/killedStep1.ReaderRFsettings:CountryAggressivenessReaderdensityReaderisnowready2.Readerselectstags3.Readerdoes

anticollision4.ReaderaccessestagrepeatFundamentalGen2OperationsOperationFunctionDataFlowInventorySingulatetagsandreceivetheirEPCsReadertonetworkReadReadtagmemoryBidirectionalWriteWritetagmemoryBidirectionalLockPermalock,lock,orunlocktagmemoryBidirectionalKillRenderatagpermanentlyinoperativeBidirectional

TAGData轉(zhuǎn)換標準不同階段CODE的儲存格式EPCISCaptureProgram

ALEMiddlewareReaderQueryClient96bitrawdataPureidentityurn:epc:id:sgtin:000100.0000024.16

User

TIDEPCReserved52C63000

07800190000060000000010307800190000060000000010EPCTagURI:urn:epc:tag:sgtin-96:3.000100.0000024.16①②③④⑤TagDataTranslationProcess指定TagDataTranslationProcess往外的表示供應參數(shù)TagDataTranslationProcess遺留編碼遺留編碼ONSEncode/DecodeEx1.HEXRAW轉(zhuǎn)URITAG307800190000060000000010第一步:看Header決定DataType,

30->00110000->表示為SGTIN-96第二步:依SGTIN格式，Partitionvalue決定companyprefix和itemrference

長度

Hex->Binary307800190000060000000010解成Binary(二進制）307800190000060011000001111000000000000001100100000000000000000000011000000000100000000000000000000000000000000000010000Header部份內(nèi)容HeadValue(Binary)TagLength(bits)EPCencodingScheme0011000096SGTIN-960011000196SSCC-960011001096GLN-960011001196GRAI-960011010196GID-9600110110…0011111196{10reservedforfuture96-bitscheme}00000000….{reservedforfutureheaderlongerthan8bits}SGTIN-96FilterValue&PartitionValuePartition307800190000060000000010解成Binary307800190000060011000001111000000000000001100100000000000000000000011000000000100000000000000000000000000000000000010000HeaderFilterPartitionCompanyprefix(20bits)Itemreference(24bits)Serialnumber(38bits)取出binary計算Decimalvalue換成10進位Companyprefix

00000000000001100100=22+25+26=4+32+64=100Itemreference

0000000000

0000

0000011000=23+24=8+16=24Serialnumber

0000000000

0000

0000

0000

0000

000000010000=16換成URI

SGTIN-96的URI有兩種格式,在Middlewale

和EPCIS不同urn:epc:tag:sgtin-96:3:100:24:16(ALEMiddleware)urn:epc:id:sgtin:100:24:16(EPCIS)省去第一段filtervalue,只用來查詢用程式驗證307800190000060000000010HEXRAW轉(zhuǎn)URITAG350000064000018000000020Hex->Binary350000064000018000000020350000064000010011010100000000000000000000011001000000000000000000000180000000201000000000000000000000000000000000100000GID-96Hex->Binary350000064000018000000020350000064000010011010100000000000000000000011001000000000000000000000180000000201000000000000000000000000000000000100000Header(8bits)Generalmanager(28bits)Objectclass(24bits)Serialnumber(36bits)取出binary計算Decimalvalue換成10進位Generalmanager(28bits)

00000000

0000

0000

000001100100=22+25+26=4+32+64=100Objectclass(24bits)00000000

0000

000000011000=23+24=8+16=24Serialnumber(36bits)00000000

0000

0000

0000

0000

000000100000=25=32HEXRAW轉(zhuǎn)URITAG350000064000018000000020urn:epc:tag:gid-96:100:24:32(middleware)urn:epc:id:gid:100:24:32(EPCIS)用程式驗證350000064000018000000020使用FosstrakTDTEngingEPC如何編碼ConsistentGlobalIdentification

AnexampleofhowGTINIntegrationcouldworkwiththeEPCglobalEAN-1301234567890128312345678901200000001234561234567890128CompanyPrefixItemReferenceCheckDigit)IllustrativeExample(EAN-13):1234567890128RemoveCheckDigitHeaderEPCManagerNumberObjectClassNumberSerialNumberGTINEPC:1

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>TestEPCManagerNumberIndicatorDigitObjectClassSerialNumber(自行編碼)EAN-14IndicatorDigitCompanyPrefixItemReferenceCheckDigit00614141007349?EAN-14v.s.EPC0614141000734200000TestEAN-13v.s.EPCEPCManagerNumberObjectClassItemReferenceEAN-13CompanyPrefixItemReferenceCheckDigit47159640116499?4715964011649123456(自行編碼)TestEAN-8v.s.EPCEPCManagerNumberObjectClassItemReferenceEAN-8CountryCodeItemReferenceCheckDigit47112353?由縮短碼回溯原廠商，得其代碼4710716331235123456(自行編碼)將EPC碼寫入標簽-----eg.SGTIN-96查詢Header(3)選擇FilterValue(6)決定PartitionValue(5)

管理人號碼EPCManagerNumber(7701234)ItemReference(156789)

加上SerialNumber(525467)10進位呈現(xiàn)：依順將前五項組合一起

換算成標簽上的2進位呈現(xiàn)設(shè)定標簽內(nèi)容后，再藉由Reader將EPC碼寫入標簽SGTIN-96:7701234156789525467GTINIntegrationExample117701234567897GTIN300110000Header6101Filter5100Partition7701234011101011000001011110010EPCManager15678900100110010001110101ObjectClass5254670000000000000000010000000010010011011SerialNumberIndicatorDigitCompanyPrefixItemReference7701234156789525467SGTINPureIdentityEncodingGTINIntegrationExample200110000101100011101011000001011110010001001100100011101010000000000000000010000000010010011011PhysicalRepresentation供應鏈中的EPC編碼應用品項EPC碼商品裝箱后的EPC碼物流單位的EPC碼---托盤物流單位的EPC碼--托盤+商品裝箱運送車的EPC編碼Gen2資料規(guī)格補充TDS1.27v.s.TDS1.3.11.容量不同---Gen2標簽在屬于使用者記憶容量部分較大：在規(guī)格書中，Gen1標簽資料屬于使用者使用的部份，只有64位元和96位元兩種規(guī)格，尤其64位元漸漸淡出使用市場，成為被淘汰的規(guī)格。而在Gen2資料標簽有其容量擴充的設(shè)計，容量范圍自96位元到202位元之間的變化。從資料標簽結(jié)構(gòu)看來，Gen2的規(guī)格增加在識別單一品項的容量擴大，以SGTIN和SGLN而言，各有140個位元支援；GIAI的部份，個別資產(chǎn)關(guān)聯(lián)號的容量可達168位元。目前市場上流通的Gen2標簽在容量上有些許的差別，雖說96位元是最低的限制，標簽制造商也有提供高達256位元容量的Gen2標簽。

TDS1.27v.s.TDS1.3.1TDS版本編碼系統(tǒng)位元數(shù)64961701951982021.1(0級和1級標簽)SGTIN▲▲SSCC▲▲SGLN▲▲GRAI▲▲GIAI▲▲DOD▲▲1.3(1級標簽)SGTIN▲▲SSCC▲SGLN▲▲GRAI▲▲GIAI▲▲DOD▲TDS1.27v.s.TDS1.3.12.安全性---Gen2標簽安全性超越Gen1標簽

Gen2標簽因為內(nèi)含32-bitkillpassword，比起Gen1僅有8-bitkillpassword的設(shè)計，Gen2更具安全性。假設(shè)商品不再流通或是遭遇消費者隱私權(quán)等問題，該標簽必須停止使用，這時Gen2標簽隨時可發(fā)揮效用。簡單說來，Gen2標簽內(nèi)容的設(shè)計提供更嚴格的密碼設(shè)置和刪除的功能，保障供應鏈中不同節(jié)點對標簽的運作需求。TDS1.27v.s.TDS1.3Gen2Gen1ReadertoTagDataRateMax128kbps70kbpsTagtoReaderDataRateMax640kbps140kbpsTagDataverification16bitsCRC(Bothreadandwrite)16bits(Onlyread)Security32-bitlockandkillpassword8-bitkillpasswordMemoryUpto512bitsitemIDUpto96bitsItemIDMultiplereaderoperationFrequencyHoppingListen-beforetalkDenseReaderModesSessions–MultiplereaderstalktoonetagFrequencyHoppingListen-beforetalkTDS1.27v.s.TDS1.3.13.Gen2容量擴增：Comprisesof4memorybanks---Reserved:containskillandaccesspasswordsEPC:containsdatausedforidentifyingtheobjecttowhichthetagisorwillbeattachedTID:containsdatathatcanbeusedbyreadertoidentifythetag’scapabilityUser:containsuser-specificdata.EPCMemoryBankContentsEPCMemoryBankContentsCRC-1616bitsErrorcheckcodeAuto-calculatedbytheTagEPCMemoryBank內(nèi)容Protocol-Control(PC)----16bitsLength(5bits):EPCMemory使用情形ReservedforFutureUse(RFU)(2bits):設(shè)定為0NumberingSystemIdentifier(NSI)(9bits): 1.Togglebit(1bit):設(shè)定0為指向EPC;設(shè)定1則為指向ISO Application FamilyIdentifier 2.ReservedAFI(8bits):受到Togglebit影響EPCMemoryBank內(nèi)容EPC:取決于Togglebits“0”:其編碼如規(guī)格書所定義“1”:代表非EPC編碼EPCMemoryBank內(nèi)容Zerofill:IfthereisanyadditionalmemorybeyondEPCTagEncodingrequiredtomeetthe16bitwordboundariesspecifiedinGen2Spec,itisfilledwith“0”EPCEncoding&Decoding編碼舉例：GTIN轉(zhuǎn)成SGTIN-96SGTINBit-levelCoding001100000001010000000100100000010001001111010100011110101SGTINGTINplusSerialNumberIdentityStructure00737965100210011000000737962510021000562IndicatordigitCompanyPrefixItemReferenceCheckdigitSerialnumberHeaderFilterValuePartitionCompanyPrefixItemReferenceSerialNumber資訊系統(tǒng)中的EPC碼呈現(xiàn)URIRepresentationEPCURI編碼供RFID標簽以及系統(tǒng)軟體使用本標準中定義四類URI（UniformResourceIdentifier）：1.URIFormsforPureIdentifier，識別特定實體物件獨立標簽編碼2.URIFormsforRelatedDataTypes，用在編碼方案相關(guān)軟體程式以便將資料寫入標簽3.URIthatrepresentpattern，orsetsofEPCs

用來呈現(xiàn)軟體如何過濾標簽資料4.表現(xiàn)原始標簽資料之URI，僅使用于「錯誤」報告純身分URI語法URIFormsforPureIdentifier，識別特定實體物件獨立標簽編碼語法：urn：epc：id：gid：GeneralManageNumber.ObjectClass.SerialNumber1.urn：epc：id：sgtin：CompanyPrefix.ItemReference.SerialNumber

GTIN-14：80652642000311urn：epc：id：sgtin：0652642.800031.400

2.urn：epc：id：sscc：CompanyPrefix.SerialNumber

SSCC：006526421234567896urn：epc：id：sscc：0652642.0123456789 3.urn：epc：id：sgln：CompanyPrefix.LocationReference.SerialNumber

GLN：0652642123458urn：epc：id：sgln：0652642.12345.400 URIFormsforRelatedDataTypes舉例目的：用在編碼方案相關(guān)軟體程式urn：epc：tag：EncName：EncodingSpecificFieldAserializedGTIN64-bitsencoding：urn：epc：tag：sgtin-64：3.0652642.800031.400“3”是濾值DoDIdentifier： Urn:epc:tag:tagType:filter.CAgECodeOrDODAAC.seri

alNumberURI表示無效標簽目的：表現(xiàn)原始標簽資料之URI，僅使用于「錯誤」報告urn：epc：raw：BitLength.Value舉例二進位元串：0000000000000000010010001101011011111010101110111111011101111URI：urn：epc：raw：64.x00001234DEADBEEFURIsforPatterns舉例說明URIthatrepresentpattern，orsetsofEPCs

用來呈現(xiàn)軟體如何過濾標簽資料目的：某些程式在某些情境為了過濾一串EPC名單須因而提供patternURIform：urn：epc：pat：sgtin-64：3.0652642.﹝1024-2047﹞條件說明：濾值：3公司前置碼：0652642品項：1024≦Itemnumber≦2047EPCglobalNetwork里的URIEPC-URI和其他EPC展現(xiàn)之轉(zhuǎn)換1.位元層級的EPC譯碼轉(zhuǎn)換為EPC-URI(以SGTIN為例)*由位元層級的EPC譯碼得到CompanyPrefixp1p2…pL、ItemReferencei1i2…i(13-L)以及序號S*連接下列形成EPC-URI:Urn:epc:id:sgtin:.CompanyPrefixp1p2…pL.ItemReferencei1i2…i(13-L).SEPC-URI和其他EPC展現(xiàn)之轉(zhuǎn)換2.位元層級的EPC譯碼轉(zhuǎn)換為EPCTagURI(以SSCC為例)*由位元層級的EPC譯碼得到CompanyPrefixp1p2…pL、SerialReferencei1i2…s(17-L)以及篩選值F*連接下列形成EPCTagURI：

Urn:epc:tag:(SSCC-64/SSCC-96):篩選值F.CompanyPrefixp1p2…pL.SerialReferencei1i2…s(17-L)EPC-URI和其他EPC展現(xiàn)之轉(zhuǎn)換3.URI轉(zhuǎn)換為位元層級的EPC(以GIAI為例)*URI以如下格式呈現(xiàn)：Urn:epc:tag:encName:f1f2…fF.p1p2…pL.s1s2…ss*將f1f2…fF轉(zhuǎn)成十進位整數(shù)F*還原成位元層級EPC：p1p2…pL.s1s2…ss為EAN.UCCGIAI，L為EAN.UCC公司前置碼的長度，F(xiàn)為篩選值(須注意，假若輸入長度大于范圍限制，或是程序有誤，請停止轉(zhuǎn)換，該URI無法轉(zhuǎn)譯入EPC標簽)EPC碼與供應鏈應用EPC碼與供應鏈應用善用GID-96條碼系統(tǒng)或是DOD系統(tǒng)轉(zhuǎn)成EPC碼：

GTIN(全球交易品項碼)：EAN-13、EAN-14SSCC(運輸容器序號)GLN(全球位址碼)GRAI(全球可回收資產(chǎn)識別碼)GIAI(全球個別資產(chǎn)識別碼)BeefSupplyChain–EPC與條碼并用urn:epc.id:sgtin:0614141.000025.serial#?10=02004032123511&93=20……………………Cutters/ColdStorage……….MeatCutsGS1-128EPCTagMeataggregatedintoTotewithEPCTag…….urn:epc.id:grai:662161.000026.0urn:epc.id:sgtin:0662161.0000260.serial#.?10=002422543&93=11.….…MeatProcessors………MeatPackagesEPCTagGS1-128MeatPackagesaggregatedintoTotewithEPCTagurn:epc.id:grai:772161.000055.0urn:epc.id:sgtin:0772161.000012.serial#.?10=003522643&93=35……RetailerConsumerPackagesUCC-12…......urn:epc.id:sgtin:049545.000001.0UniformDataFormats…………......AnimalSlaughterhouseCarcassGS1-128…………EPCglobal----GettingStarted!!Don’tactlikeaOSTRICH!!JoinasaEnd-User……….EPCManager’sNumberJoinasaSolutionProvidePartner……….Participateintheon-goingdevelopmentoftheEPCNetworkstandards

GTIN1233465712354HeaderCompanyPrefixTradeItemReferenceEPCManagerNumberTradeItemReference0000000123456SerialNumberGTIN1234657123546EPC8GTIN

vs.EPCTheEPCcanonlybeinterpretedincombinationwiththecorrespondingdatabaseSUPPLYCHAIN:1.PACKAGINGPLANTObjectEvent:EventTimeEpcListEPC:urn:epc:id:sgtin:0614141.107340.1

Action:ADDObjectEvent:EventTimeEpcListEPC:urn:epc:id:sscc:0614141.0000000001Action:ADDAggregationEvent:EventTimeParentID:urn:epc:id:sscc:0614141.0000000001-ChildEPCs:EPC:urn:epc:id:sgtin:0614141.