EPC Technologies Electronic product code EPC an unique

EPC Technologies • Electronic product code (EPC): an unique code for each object • RFID Tag • RFID reader • Object Name Service( ONS) : each number corresponds with an address in database • Product Markup Language(PML): In PML server, PML is used to describe and store information about the item. • Savant: can work as a router, it get EPC information from the RFID reader, send the information to ONS Server and combine with application program for management of the item. 3

EPC C 1 G 2 • 全名 EPC Class 1 Generation 2 • Four “sessions”, each of which have their own • Access and Kill passwords • Four memory “banks” 9

Defined Gen 2 Requirements • Dozens of the world’s leading retail supply chain organizations defined Gen 2 user requirements 10

Four sessions • “Inventoried” flag • “Select” (SL) flag • Only one “inventory” (identify) operation at a time 11

Access and Kill passwords • Used to restrict reading and writing • EPC code is returned during inventory • Kill operation is permanent 12

Four memory banks • • Reserved (Bank 0) EPC (Bank 1) TID (Tag ID) (Bank 2) User (Bank 3) 13

Memory Bank 0 (Reserved) • Reserved memory (bank 0) contains the kill and access passwords • The kill password occupies bytes 0 -1 (MSB first) • The access password occupies bytes 2 -3 (MSB first) • If a tag does not implement the kill and/or access passwords, it acts as though it had zero-valued passwords that are permanently read/write locked 14

Detailed Content of Bank 1 (EPC) • Contains CRC-16, Protocol Control (PC), and EPC code • PC bits specify EPC length in 16 -bit words • EPC code begins at byte 3 (EPC header) • Caution: EPC C 1 G 2 uses 16 -bit data words on even boundaries, so you must format and write a proper PC word to write the EPC! CRC-16 PC EPC less header 64 - or 96 -bit EPC code 15

Detailed Content of Bank 1 (EPC) • Length is expressed in units of words, so 6 is the length of EPC-96 • RFU is always zero • EPCISO bit is zero for EPC • NSI (Number System ID) is used only if EPCISO bit is 1 • To avoid all this, use “WRITE EPCID=Hxxx…xxx” with BRI 16

Detailed Content of Bank 1 (EPC) CRC (Bytes 0 -1) PC (Bytes 2 -3) Bytes 4 -n NSI EPCISO Bit Length 1 byte EPC Header RFU CRC-16 1 byte 64 - or 96 -Bit EPC 17 Zero Fill

Memory Bank 2 (Tag ID) • Contains an 8 -bit ISO/IEC 15963 allocation class identifier (0 x. E 2 for EPCglobal) in byte 0 • The next 12 bits are a mask-designer identifier (manufacturer ID) (obtained from EPCglobal) • The 12 bits after the manufacturer is a 12 -bit tag model. • The manufacturer ID and tag model must provide sufficient information for a reader to uniquely identify the custom commands and/or optional features that a tag supports • Bytes 4 and up may contain Tag- and vendorspecific data such as a tag serial number 8 bits 12 bits Vendor-specific IEC 15963 ID (0 x. E 2) Manufacturer ID Tag Model Tag Serial Number 18

Memory Bank 3 (User) • Organization and use is user-defined • Memory capacity determined by chip manufacturer 19

案例分享 • • • Auto Receiving /Shipping Fork Lift Application Drug Counterfeit & e. Pedigree Wal*Mart 廢棄物處理RFID 應用 20

Auto Receiving /Shipping Real Cases • Wal-Mart Mandate • Metro Mandate • Target Mandate 21 Benefits • 減少清點每箱貨物的 時間 • 與ASN比較用以減少 補貨時間及成本 • 減少尋找貨物時間 • 增加客戶滿意度

Gate reader 22

Fork Lift Application Dock Door 1 Co st S av $ ings Dock Door 20 23

Forklift Related Application 1 2 3 4 C B Pick Go to S 3 A Return to Receiving Benefits • 減少盤點時間 • 減少建置閘門式 Reader之固定成本 • 減少尋找貨物時間 • 增加客戶滿意度 Real Cases • Worley 3 PL S 1 25 S 2 S 3

Drug Counterfeit & e. Pedigree 100, 000 Tags used 1 st counterfeit Project in Asia Purdue Pharma & H. D. Smith Pilot 26

Wal*Mart 27

廢棄物處理RFID 應用-收料 i. PAQ PDA RFID讀取模組 BT(10 m) GPRS(3 -5 km) BT(10 m) 廢棄物 With RFIDLabel WLAN(100 m) 電子數位輸出磅秤 28 電腦列印模組

廢棄物處理RFID 應用-焚化爐管理 Data Server RFID 天線x 4 AP 廢棄物 With RFID Label & External Barcode Label WLAN(100 m) 電腦控制模組 RFID 外接天線模組 29