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  • UCC/EAN-128

    TIU CHUN PHN NH NG DNG

    Thng 1 nm 1993

    ( c xem li v in li thng 7 nm 1995)

    HI NG M THNG NHT CA M (UCC, INC)

  • 2

    Tng kt trong lnh vc iu hnh

    Tiu chun phn nh ng dng UCC/EAN-128 l mt cng c a nng m bn c th

    dng tr gip s vn chuyn c hiu qu ca hng ha v thng tin. Bn c th p

    dng tiu chun ny trong phm vi mt cng ty, gia cc cng ty, qua nhiu ngnh

    cng nghip v trn khp th gii.

    Chng ti thit k tiu chun ny cho n s c tinh linh hot cao theo mc c th

    v s c kh nng c tnh gi mt cch hiu qu vic x l nhiu tnh hung phm

    phi tm thy trong thng mi ton cu. ng thi, chng ti ht sc c gng ci

    tin kh nng qun l ca h thng. Chng ti lm c iu ny bng vic sp xp

    nhiu dng d liu vo cc cch dng mang tnh chc nng v bng vic gp cc

    dng d liu ging nhau vo cc yu t d liu mang tnh ton cu. Kt qu l, tiu

    chun ny ging nh mt ngn ng ton cu. Chng ti xy dng mt vi t c

    cch nh vn v nh ngha c tiu chun ha. Bn c th dng nhng t ny khi

    cn xy dng nhng h thng lin lc ph hp vi loi hng ha v mi trng

    phn phi ca bn. Bt c ai, bt k ni u cng c th hiu c h thng lin lc

    ny.

    Chng ti xy dng Tiu chun Phn nh ng dng ny b sung, ch khng

    thay th, cc tiu chun UCC/EAN khc. Phn ln cc tiu chun UCC/EAN c xy

    dng phn nh sn phm. Cc ngnh cng nghip th hin nhu cu tiu chun ha

    nhiu hn l vic phn nh sn phm. V th, Tiu chun Phn nh ng dng

    UCC/EAN-128 ny c xy dng. B sung vo s phn nh lc ban u ca sn

    phm, tiu chun ny thm tnh a nng trao i thng tin v ngy m hng ha d

    b hng, v s phn nh ca l/ chuyn, v s phn nh cngten ring bit, v cc

    n v o lng, v m a im, v trao i mt vi thng tin khc gia cc cng ty.

    Tiu chun ny thm tr cn cung cp mt phng php lun phin th hin mt vi m

    UCC/EAN hin ti ang c dng vi cc m vch khc nh m SCC-14. Chng ti

    a c trng ny vo thnh mt phn ca tiu chun n gin m rng c hi

    sn c cho vic xy dng cc trao i c hiu qu v mt chi ph.

    Tiu chun Phn nh ng dng UCC/EAN-128 trnh by nhiu hn mt m vch. N l

    mt cng c trao i hp nht c th kt ni thng tin v hng ha. N b sung cho cc

    qu trnh phn nh sn phm UCC/EAN, n ni cc sn phm v mt vt cht vi

    thng tin EDI, v n c th c s dng to thun li cho vic xy dng li cc

    qu trnh kinh doanh b thng tin chi phi.

  • 3

    Tnh cht n nh di hn ca Tiu chun Phn nh ng dng UCC/EAN-128 t ra c

    nhiu trin vng trong vic p dng phn mm tr gip chuyn hng ha v thng tin

    gia cc cng ty. Tiu chun ny l hin thn ca mt cch tip cn mang tnh kin

    trc. Chng ti xy dng cn thn tiu chun ny dnh cho s pht trin c lp

    rp vi nhng ph v nh nht. V chng ti t nn mng ca cng vic sao cho

    cc bn c th d dng nhn ra li ch t cc ci tin cng ngh m khng phi thay

    i nhiu phn mm ng dng hin ti.

    Tiu chun Phn nh ng dng UCC/EAN 128 l mt cng c linh hot v quan trng

    m bn c th dng ci tin lung hng ha v thng tin. N l mt qu trnh trao i

    kinh doanh ton din v c h thng v n b sung vo phn chng do cc tiu chun

    UCC/EAN li. mt mc gii hn n trng lp mt phn vi cc tiu chun

    UCC/EAN khc, n cng cn cung cp tnh tip din v tnh linh hot. Chng ti xy

    dng n vi s cn nhc v tng lai, ng thi xem xt chnh xc v thn trng

    nhng g c trong hin ti.

  • 4

    Li ni u

    S suy xt v h thng nh s UPC/EAN ton cu

    Cc h thng ca UCC v EAN quc t (nay l GS1 quc t) to kh nng cho bt k

    sn phm c th hoc cngten vn chuyn no u c cp m s tiu chun

    phn nh chng mt cch r rng mi ni trn th gii. UCC/EAN l mt tiu chun

    m, khng ring bit cho mt cng ty hay mt lnh vc cng nghip. N c UCC

    qun l M v PCCC qun l Canada v EAN quc t qun l nhng nc cn

    li.

    Tt c cc bn trong mt knh phn phi nn s dng mt th tc phn nh chun cho

    c cc sn phm chun v cc sn phm duy nht, v cc m phn nh chun trong

    trao i c dng giy vit v dng in t. S phn nh chun cho php ci tin v

    tnh hiu qu v tnh chnh xc nh sn xut, nh phn phi v cc hot ng ca

    khch hng cui cng.

    H thng nh s UCC/EAN cn c vo hai nguyn tc:

    1. Cc m phi phn nh, ch khng phn loi, vt phm. iu ny a ra tnh linh

    hot to kh nng cho cc tiu chun c dng bt k loi hnh kinh doanh no.

    N to kh nng cho vic phn phi c hiu qu mt sn phm n khch hng

    cui cng trong a ngnh cng nghip.

    2. UCC hoc ngi c thm quyn nh m EAN ph hp s cp m phn nh

    nh cung cp. Nh cung cp, thng l nh sn xut, cp m cho cc sn phm

    c th. Vic kt hp s phn nh nh cung cp do UCC/EAN cp v m vt phm

    do nh cung cp cp m bo mi ni trn th gii khng c hai m b cp trng

    nhau. Nh sn xut c trch nhim cp m cho sn phm ca mnh v thng bo

    cho khch hng nhng m ny.

    Vic nh s UCC/EAN c xy dng lm vic vi my vi tnh ci tin vic

    phn phi c hiu qu v chnh xc. C hai cch kt ni ni b s dng m s sn

    phm chun:

    1. M s sn phm chun c th hin thnh m vch trn chnh vt phm mang

    tnh vt cht. Trn vt phm tiu dng, nhng m vch ny c th l m UPC hoc

    l m EAN. Trn cngten vn chuyn n c th l m ITF hoc l UCC/EAN-128.

    Mt vi cngten vn chuyn c th c gn mt cch c gi tr vi ch m UPC

    hoc EAN khi m cngten vn chuyn cng l vt phm tiu dng.

  • 5

    2. Trong trao i, cc m s sn phm chun m t vt phm hoc l trn giy, hoc

    l bng trao i d liu in t, hoc l my vi tnh iu khin.

    S phn nh c kt cu chng li s phn nh khng c kt cu

    M s UPC v EAN khng c hm vn c. Chng c chiu di c nh v bao gm

    mt k t kim tra. Bn s dng h thng my vi tnh tm s m t vt phm v

    thng tin khc v sn phm khi m s vt phm UPC c qut t m vch hoc c

    nh trn bn phm bng tay.

    Cu trc ca m UPC ch tn ti nh mt s tr gip trong qun l vic cp m s v

    trong m bo tnh duy nht. Bn nn lun lun s dng ton b m s UPC hoc EAN

    phn nh m ng c gn ngha vo bt k b phn ring r no ca m s. Cun

    Tiu chun ng dng cho m cngten vn chuyn a ra s gii thch y cu

    trc d liu.

    Cu trc ca m UPC-A v EAN-13

    M UPC-A c chiu di gm 12 ch s thp phn. Cu trc ca chng c ch ra

    hnh 1. Bt u t bn tri sang bn phi, m s UPC-A bao gm m s nh sn xut

    gm 6 ch s thp phn do UCC cp. Chng ti xem ch s u tin ca 6 ch s ny

    l k t thuc h thng s (NSC). Sau trng 6 s ny (bao gm NSC) l m s vt

    phm gm 5 ch s thp phn do ngi ch hay ngi kim sot nhn sn phm cp.

    Ch s th 12 bn ngai cng pha tay phi l k t kim tra.

    M EAN-13 c chiu di gm 13 ch s thp phn. Cu trc m c xc nh bi t

    chc c thm quyn cp m qu gia c m phn nh nh sn xut. Cu trc m EAN-

    13 c ch ra hnh 1. Tnh duy nht ca EAN t UPC t c thng qua vic s

    dng cc k t ca h thng s. K t th 13 ca m EAN l k t ca h thng s (pha

    ngai cng bn tri) c th t cao . Gi tr ca ch s ny l t 1 n 9. Gi tr 0 v tr

    ny ch ra y l mt m UPC . Bn phi thm mt con s 0 vo u m UPC khi s

    dng m s EAN v UPC t rong cng h thng c s d liu hoc khi s dng SCC-

    14.

    c c k t th 13 trong m EAN, cu trc EAN cho php trn ln parity chn v

    l na bn tri na m mt khc c th l m vch UPC chun (tt c cc k t

    na bn tri c m ha vi parity l). iu ny c ngha l m vch EAN 13 ch s

    c chiu di ng bng chiu di ca m vch UPC 12 ch s. My qut thng c

    lp trnh tun theo qui nh k thut sao cho nu na bn tri m vch c tt c

  • 6

    parity l, my qut s phn nh n l m vch UPC v s pht ra 12 ch s. Nu na

    tri ca m vch c ln parity l v chn, my qut s t ng tnh ton gi tr (1 n 9)

    v cng thm ch s thp phn u theo yu cu cho m EAN-13.

    c tnh ny l mt s cn nhc quan trng khi, v d, cn so snh m c in ra trn

    sn phm vi m hin ra trn my vi tnh hoc c in ra t my vi tnh. M UPC-A

    lun c in ra vi 12 ch s thp phn v m EAN-13 c in ra vi 13 ch s thp

    phn.

    Hnh 1

    Cu trc ca m UPC-E v EAN-8

    Hai dng b sung ca m UPC v EAN l m EAN-8, m gm 8 ch s thp phn, v

    UPC-E (8 ch s thp phn). M UPC-E l phin bn b trit ca m UPC-A 12 ch s

    thp phn vi k t thuc h thng s bng 0. m UPC-E lun c duy tr dng 12

    ch s thp phn ca n trong phm vi h thng my vi tnh chnh s trng lp vi

    m EAN-8 l m sn phm gm 8 ch s thp phn. M EAN-8 khng m rng thnh

    m EAN-13.

    SCC-14

    SCC-14, thng c bit n nh l m cng ten vn chuyn, l m c 14 ch s

    thp phn dng phn nh nhiu ti c sc cha c nh, cc cng ten vn chuyn,

    cc palet v cc lng hng n v. N c dng phn nh cc cng ten vn

    chuyn v cc gi hng trung gian thc t khng c dng lm cng ten vn chuyn.

    Cc cng ten vn chuyn c th c qut trong mi trng bn hn, c th c m

    vch in trn vt liu th rp (nh b nhn), v thng c c t xa, nh t my

    nng. V th chng c dn nhn nt cch c trng bng vic s dng m vch 2.5

  • 7

    (ITF), m ny p ng c cc iu kin trn. Cu trc ca m SCC-14 c ch ra

    hnh 1.

    K t th 14 ngoi cng bn tri ca SCC-14 l s ch vic ng gi (PI). Cc s cn

    li ca m s dng cng cu trc s phn nh vt phm v nh sn xut nh c

    dng trong m vt phm UPC v EAN. S PI khng phn nh s lng, ng nh bn

    thn s UPC khng nh ngha sn phm. Thay vo vic cc s ny khng mang tnh

    hm , chng c dng truy cp vo c s d liu ca my vi tnh. C s d liu

    ca my vi tnh nh ngha sn phm k c s lng. i vi mt sn phm c s

    lng i cng vi PI=3 c th l 112, trong khi i vi mt sn phm khc, s lng i

    cng vi PI=3 c th l 10. Nh vy l, s lng ph thuc vo c PI v s UPC c s.

    Bn c th dng PI=0 trong 2 trng hp. Trng hp th nht ch ra rng s phn

    nh vt phm UPC phn nh cng ten l khc vi s phn nh vt phm trn cc

    n v bn trong cng ten . Trng hp th hai l khi cng ten vn chuyn ging vi

    n v tiu dng (s lng l 1). M UPC 12 ch s thp phn hoc m EAN 13 ch s

    thp phn c c vo trng s 14 ch s thp phn trong phm vi 1 c s d liu

    s ging m SCC-14 vi PI=0. S lng mt s la chn c dng m bo rng

    s trn cng ten vn chuyn l ging vi s trn sn phm t nhin. Bn s truy cp

    c vo cng trng c s d liu m khng cn quan tm n liu m vch UPC,

    EAN hoc SCC-14 c c c hay khng.

    Vic lp k hoch cho phn mm v h thng

    Bn nn dng cc trng phn nh 14 ch s thp phn khi xy dng cc h thng

    my