International Stan ard IEC 613 0-6 has b en pre ared by s bcommit e 3D: Prod ct pro erties an clas es an their identif i ation, of IEC tec nical commite 3: Inf ormation stru tures an ele
Trang 1Part 6: IEC Common Dat a Dict ionary (IEC CDD) qual t y guidel nes
directrices pour la qual té
Trang 2THIS PUBLICATION IS COPYRIGHT PROT CTED
Copyr ight © 2 16 IEC, Ge e a, Switzer la d
Al r i hts r es r ve Unle s oth r wis s e ifi d, n p r t of this p blc tio ma b r epr od c d or uti z d in a y for m
or b a y me n ,ele tr onic or me h nic l in lu in p oto o yin a d microfim, with ut p r mis io in wr itin fr om
eith r IEC or IEC's memb r Natio al Commite in th c u tr y of th r eq e ter If y u h v a y q e tio s a o t IEC
c p r i ht or h v a e q iry a o t o tainin a ditio al r i hts to this p blc tio , ple s c nta t th a dr es b low or
y ur lo al IEC memb r Natio al Commite for f ur th r infor matio
Droits d r epro u tio r és r vé Sa f in ic tio c ntrair e, a c n p r tie d c te p blc tio n p ut êtr e r epro uite
ni uti s e s u q elq e forme q e c s it et p r a c n pr oc d , éle tr oniq e o mé a iq e, y c mp s la p oto o ie
et le micr ofims, s n la c r d é r it d l EC o d Comité n tio al d l EC d p y d d ma d ur Si v u a e d s
q e tio s s r le c p r i ht d l EC o si v u d sire o te ir d s dr oits s p léme tair es s r c te p blc tio , uti s z
le c or do n e ci-a r ès o c nta te le Comité n tio al d l EC d v tr e p y d ré id n e
Th Inter natio al Ele tr ote h ic l Commis io (IEC) is th le din glo al or ga iz tio th t pr ep r es a d p bls e
Intern tio al Sta d r ds for al ele tr i al ele tr onic a d relate te h olo ie
A bout IEC publc tio s
Th te h ic l c nte t of IEC p blc tio s is k pt u d r c n ta t r eview b th IEC Ple s ma e s r e th t y u h v th
late t e itio , a c r r ig n a or a ame dme t mig t h v b e p bls e
IEC Catalo u - webstore.e ch/cat alo u
Th st an -alo e a plc at io for c on ult in t he e t ire
biblo ra hic al informat io o IEC Int ern tio al St an ard ,
Te h ic al Sp cific at io s, Tec hnic al R ep rt s a d ot her
d c ume t s A v aia le for PC, Ma OS, A ndroid Ta let s a d
iPa
IEC publc t io s s arch - w w w.e ch/s arch ub
Th a v anc ed s arc h e a le t o fin IEC p blc t io s b a
v riety of c riteria (efere c e n mb r, text, t ec hnic l
c mmit t ee,…) It als giv es informat io o projec t s, re lac ed
Ele tro edia - www.ele tro edia.org
Th world's le din o ln dict io ary of elec t ro ic a d
elec t ric l t erms c ont ainin 2 0 0 t erms a d d finitio s in
En ls a d Fre c , wit h e uiv le t t erms in 15 a dit io al
la g a e A ls k nown a t he Int ern t io al Ele t rot ec hnic al
V oc ab lary (IEV ) o ln
IEC Glos ar y - st d.e ch/glos ary
6 0 0 elec t rote h ic l t ermin lo y e t rie in En ls a d
Fre c ex t rac t ed fom t he Terms a d Definit io s cla s of
IEC p blc tio s is u d sin e 2 0 Some e trie h v b e
c lec t ed fom e rler p blc tio s of IEC TC 3 , 7 , 8 a d
CIS R
IEC Cu t omer Servic Centre - webst ore.e ch/cs
If y ou wis t o giv u your fe d ac k o t his p blc t io or
n e furt her a sist an e,ple s c ont ac t t he Cu t omer Servic
Ce t re: c sc@ie c h
A pro os de l'IEC
L Commis io Ele trote h iq e Inter natio ale (IEC) e t la pr emièr e org nis tio mo diale q i éla ore et p ble d s
Nor me intern tio ale p ur to t c q i a tr ait à léle tr i ité, à léle tr oniq e et a x te h olo ie a p r enté s
A pro os de publc t io s IEC
L c nte u te h iq e d s p blc tio s IEC e t c n tamme t r ev Ve i e v u a s r er q e v u p s é e lé itio la
plu ré e te, u c r r ig n um o ame d me t p ut a oir été p blé
Cat alo u IEC - webstore.e ch/cat alo u
A pplc t io a t on me p ur c n ult er tou le re s ig eme t s
biblo ra hiq e s r le Norme intern t io ale ,
Sp cific t io s t ec niq e , R ap ort s t ec hniq e et a t re
d c ume t s d l EC Dis o ible p ur PC, Ma OS, t ablett es
A ndroid et iPa
R echerche de publc t io s IEC - w w w.e ch/se rch ub
L rec herc e a a c ée p rmet d t ro v r d s p blc at io s IEC
e ut ils nt difére t s crit ère (n méro d référe c , t ex te,
c mit é d’ét ud s,…) Ele d n e a s i d s informat io s s r le
projet s et le p blc t io s remplac ée o ret iré s
IEC J st Publshed - webstore.e ch/j st publshed
R est ez informé s r le n uv ele p blc at io s IEC Ju t
Pu ls e d t ai e le n u ele p blc tio s p ru s
Dis o ible e lg e et a s i u e fois p r mois p r emai
Ele tro edia - www.ele tro edia.org
L premier dic t io n ire e lg e d t erme élec tro iq e et
élec t riq e I c nt ie t 2 0 0 t erme et d finit io s e a glais
et e fa ç is, ain i q e le t erme é uiv ale t s d n 15
la g e a dit io n le Eg leme t a p lé V oc ab laire
Ele t rot ec hniq e Int ern tio al (IEV ) e lg e
Glos aire IEC - st d.e ch/glos ary
6 0 0 e t ré s termin lo iq e éle t rot ec hniq e ,e a glais
et e fa ç is, ext raites d s article Terme et Définit io s d s
p blc t io s IEC p ru s d p is 2 0 Plu c rt ain s e t ré s
a t érie re ex t rait es d s p blc at io s d s CE 3 , 7 , 8 et
CIS R d l EC
Servic Clent s - webstore.e ch/cs
Si v u d sire n u d n er d s c mme t aire s r c et t e
p blc at io o si v u a e d s q e t io s c nt act ez-n u :
c c@ie c
Trang 3Part 6: IEC Common Dat a Dict ionary (IEC CDD) qual t y guidel nes
Ty pes normal sés d’éléments de données av ec plan de classificat ion pour
direct rices pour la qual té
W arnin ! Mak e s re th t you o tain d this publc tion from a a thorize distribut or
A tt ention! Veui ez vou a s rer qu vou avez o te u c t te publc tion v ia u distribute r a ré
c olour
inside
Trang 4CONTENTS
FOREWORD 4
INTRODUCTION 6
1 Sco e 7
2 Normative ref eren es 7
3 Terms, def i ition an a breviated terms 7
3.1 Terms an def i ition 7
3.2 Ab reviated terms 9
4 Data stru ture f un amentals 9
4.1 General 9
4.2 Clas 10 4.3 Pro erty 1
4.4 At ribute 1
4.5 Key at ributes of IEC CDD entries 13 4.5.1 Overview 13 4.5.2 Def i ition 14 4.5.3 Note 15 4.5.4 Remark 15 4.5.5 Overview on mandatory at ributes 15 5 Writin of def i itional content 16 5.1 Basic req irements 16 5.2 Prin iples for defi ition writin 16 5.3 Con isenes 17 5.4 Prin iple of s bstitution 17 5.5 Def i ient defi ition 17 5.5.1 General 17 5.5.2 Circ lar def i ition 18 5.5.3 In omplete defi ition 18 5.5.4 Negative defi ition 19 5.6 Notes an examples 19 6 Recommen ation f or textual inf ormation in dictionaries ac ordin to IEC 613 0 series 2
6.1 General 2
6.2 Recommen ation that emerge from the implementation of IEC CDD 2
6.3 L n uages 2
6.4 Ac e ta le wordin 2
6.4.1 General 2
6.4.2 Usin “s al ” an “s al not 2
6.4.3 Usin “mu t an “mu t not 21
6.4.4 Usin “s ould” an “s ould not 21
6.4.5 Use of “may” an “ne d not 21
6.4.6 Use of “can” an “can ot 21
6.4.7 Use of “i.e.”, “e.g.”, an “etc.” 2
6.4.8 Use of a breviation 2
6.5 Quotation from stan ard or doc mented sources 2
6.6 Use of q otation mark 23 6.7 Sp l n 2
Trang 56.8 Hyphenation 2
6.9 Word to avoid 2
6.10 Freq ently u ed word 2
7 Names 2
7.1 General 2
7.2 Pref er ed name 25 7.3 Sy on mou name 25 7.4 Names s al not infer ran e values 2
7.5 Names s al not imply prod ct p c agin 2
8 Units of me s re 2
9 Imp rt of data into IEC CDD 2
10 Qualty of content 2
1 Contributin content an co yrig t is ues 2
An ex A (informative) Use of to ls to c ec con isten y of data 2
An ex B (normative) Sco e an f ield of a pl cation of pro osed data 30 An ex C (normative) Chec l st 31
C.1 General 31
C.2 Generic is ues 31 C.3 Exten ion of existin clas es by ad in pro erties 31
C.4 Set in up new clas es with as ociated pro erties 32 An ex D (informative) IEC Maintenan e proced re f or IEC stan ard in data ase f ormat 3
An ex E (informative) Nature of def i ition an terminological prin iples 3
An ex F (informative) Con ention for writin def i ition 3
F.1 General 3
F.2 ISO/IEC 1 17 -4 3
F.2.1 Req irements 3
F.2.2 Recommen ation 3
F.3 ISO 7 4 3
F.4 Ad itional con ention 3
Bibl ogra h 3
Fig re 1 – Characterization tre f or ampl f iers 10 Fig re 2 – Pro erties of a clas 11 Fig re 3 – At ributes of a clas 12 Fig re 4 – At ributes of a pro erty 13 Fig re 5 – Input by an authorized p rson or b d 2
Fig re 6 – Contributin content alre d contained in publ s ed stan ard 2
Fig re 7 – Data ase maintenan e 2
Fig re D.1 – The normal data ase proced re (se ISO/IEC Directives Sup lement:2 16, An ex SL) 33 Fig re D.2 – The exten ed data ase proced re (se ISO/IEC Directives Sup lement:2 16, An ex SL) 34 Fig re D.3 – Proces an related doc mentation 3
Ta le 1 – Man atory atributes of selected IEC CDD o jects an their sources 15
Trang 6INTERNATIONAL ELECTROTECHNICAL COMMISSION
Part 6: IEC Common Data Dictionary (IEC CDD) qual ty guidel nes
1 Th Intern tio al Ele trote h ic l Commis io (IEC) is a worldwid org niz tio for sta d rdiz tio c mprisin
al n tio al ele trote h ic l c mmite s (IEC Natio al Commite s) Th o je t of IEC is to promote
intern tio al c -o eratio o al q e tio s c n ernin sta d rdiz tio in th ele tric l a d ele tro ic f i ld To
this e d a d in a ditio to oth r a tivitie , IEC p bls e Intern tio al Sta d rd , Te h ic l Sp cif i atio s,
Te h ic l Re orts, Pu lcly Av ia le Sp cific tio s (PAS) a d Guid s (h re f ter refere to a “IEC
Pu lc tio (s)”) Th ir pre aratio is e tru te to te h ic l c mmite s; a y IEC Natio al Commite intere te
in th s bje t d alt with ma p rticip te in this pre aratory work Intern tio al g v rnme tal a d n
n-g v rnme tal org niz tio s laisin with th IEC als p rticip te in this pre aratio IEC c la orate clo ely
with th Intern tio al Org niz tio for Sta d rdiz tio (ISO) in a c rd n e with c n itio s d termin d b
a re me t b twe n th two org niz tio s
2) Th formal d cisio s or a re me ts of IEC o te h ic l maters e pre s, a n arly a p s ible, a intern tio al
c n e s s of o inio o th rele a t s bje ts sin e e c te h ic l c mmite h s re re e tatio f rom al
intere te IEC Natio al Commite s
3) IEC Pu lc tio s h v th form of re omme d tio s f or intern tio al u e a d are a c pte b IEC Natio al
Commite s in th t s n e Whie al re s n ble eforts are ma e to e s re th t th te h ic l c nte t of IEC
Pu lc tio s is a c rate, IEC c n ot b h ld re p n ible for th wa in whic th y are u e or f or a y
misinterpretatio b a y e d u er
4) In ord r to promote intern tio al u iformity, IEC Natio al Commite s u d rta e to a ply IEC Pu lc tio s
tra s are tly to th ma imum e te t p s ible in th ir n tio al a d re io al p blc tio s An div rg n e
b twe n a y IEC Pu lc tio a d th c r e p n in n tio al or re io al p blc tio s al b cle rly in ic te in
th later
5) IEC its lf d e n t pro id a y ate tatio of c nformity In e e d nt c rtif i atio b die pro id c nformity
a s s me t s rvic s a d, in s me are s, a c s to IEC mark of c nformity IEC is n t re p n ible for a y
s rvic s c rie o t b in e e d nt c rtif i atio b die
6) Al u ers s o ld e s re th t th y h v th late t e itio of this p blc tio
7) No la i ty s al ata h to IEC or its dire tors, emplo e s, s rv nts or a e ts in lu in in ivid al e p rts a d
memb rs of its te h ic l c mmite s a d IEC Natio al Commite s for a y p rs n l injury, pro erty d ma e or
oth r d ma e of a y n ture wh ts e er, wh th r dire t or in ire t, or f or c sts (in lu in le al fe s) a d
e p n e arisin o t of th p blc tio , u e of, or rela c u o , this IEC Pu lc tio or a y oth r IEC
Pu lc tio s
8) Ate tio is drawn to th Normativ refere c s cite in this p blc tio Us of th refere c d p blc tio s is
in is e s ble f or th c re t a plc tio of this p blc tio
9) Ate tio is drawn to th p s ibi ty th t s me of th eleme ts of this IEC Pu lc tio ma b th s bje t of
p te t rig ts IEC s al n t b h ld re p n ible f or id ntifyin a y or al s c p te t rig ts
International Stan ard IEC 613 0-6 has b en pre ared by s bcommit e 3D: Prod ct
pro erties an clas es an their identif i ation, of IEC tec nical commite 3: Inf ormation
stru tures an elements, identifi ation an markin prin iples, doc mentation an gra hical
s mb ls
The text of this stan ard is b sed on the fol owin doc ments:
Ful inf ormation on the votin f or the a proval of this stan ard can b f ou d in the re ort on
votin in icated in the a ove ta le
This publcation has b en draf ted in ac ordan e with the ISO/IEC Directives, Part 2
Trang 7A l st of al p rts in the IEC 613 0 series, publ s ed u der the general title Stand ard data
eleme t ty e with a s ciated cla sificatio s h me for electric c mp n nts, can b f ou d on
the IEC we site
The commit e has decided that the contents of this publcation wi remain u c an ed u ti
the sta i ty date in icated on the IEC we site un er "htp:/we store.iec.c " in the data
related to the sp cifi publ cation At this date, the publ cation wi b
• with rawn,
• re laced by a revised edition, or
IMPORTANT – Th 'colour in ide' logo on the cov r pa e of this publ c tion indic te
understa ding of its conte ts Us rs s ould therefore print this doc me t usin a
colour printer
Trang 8The u e of prod ct data is an es ential p rt of electronic bu ines Prod ct selection,
bu ines tran action , maintenan e proced res, etc rely on the avai a i ty of data a out
prod cts an services To en ure a common u derstan in an a general tre tment of
prod ct data, clas if i ation an dictionary s stems are u ed to def i e their es ential tec nical
p rameters or to categorize prod cts
The stan ard of the series IEC 613 0 sp cif y rules for stru ture an content of col ection of
prod ct pro erties an its clas if i ation stru tures In most cases the clas es an pro erties
contained in s c col ection are intuitively u derstan a le But, u fortu ately, cre tin the
information o jects an their textual content, s c as def i ition , has proved to b a
deman in tas with p tential pitfal s an pro lems For avoidin s c dif f ic lties explanatory
material an section of other stan ard are colected in this p rt of IEC 613 0 providin the
neces ary k owled e f or s c es f ul y cre tin clas es an pro erties Th s, IEC 613 0-6
provides g idan e f or sp cif yin the inf ormation content of IEC 613 0 clas es an pro erties
This p rt of IEC 613 0 is inten ed f or domain sp cial sts who are tec nical exp rts in their
sp cif i tec nical domain The domain sp cial sts do not neces ari y have an in-de th
k owled e of IEC 613 0-1 or IEC 613 0-2
Trang 9STANDARD DATA ELEMENT TYPES WITH
Part 6: IEC Common Data Dictionary (IEC CDD) qual ty guidel nes
This p rt of IEC 613 0 provides g idan e f or the def i ition of con e ts that are u ed to
des rib clas es an pro erties s bmit ed f or update of the content of IEC Common Data
Dictionary (IEC CDD) This in lu es
– a b sic u derstan in of key con e ts an proced res u ed within IEC CDD;
– a bin in referen e f or q al ty control of IEC 613 0 compl ant dictionary content;
– g idan e on doc ments where neces ary in-de th k owled e can b ac uired (se
Clau e 2 an An ex D)
This p rt of IEC 613 0 in lu es the f ol owin s bjects:
– b sic overview a out fun amental con e ts of IEC 613 0;
– f ormulatin defi ition an other textual elements;
– overview of IEC maintenan e proced re for IEC CDD;
– c ec l st for providin input to the IEC CDD content
The f olowin doc ments, in whole or in p rt, are normatively ref eren ed in this doc ment an
are in isp n a le f or its a pl cation For dated ref eren es, only the edition cited a pl es For
u dated ref eren es, the latest edition of the referen ed doc ment (in lu in an
amen ments) a pl es
IEC 613 0-1, Standard data eleme t typ s with a s ciated cla sific tio s h me for electric
c mp n nts – P art 1: Definitio s – P rin iples a d methods
IEC 613 0-2:2 12, Sta dard data eleme t ty e with a s ciated clas ific tio s h me for
electric c mp n nts – P art 2: EXP RESS dictio ary s h ma
IEC 6 6 6-1, Standardiz d product o tolog re ister a d tra sfer b s re ds e ts – P art 1:
L gic l stru ture for data p rc ls
IEC TS 6 6 6-2:2 13, Standardiz d produ t o tolog re ister a d tra sfer b s re dsh ets –
P art 2: Ap lc tio g id e for u e with the I EC c mmo data d ictio ary (CDD)
ISO 7 4:2 0 , Terminolog work – P rinciples a d methods
3 Terms, def initions and a bre iated terms
3.1 Terms a d def initions
For the purp ses of this doc ment, the fol owin terms an def i ition a ply
Trang 10ISO an IEC maintain terminological data ases for u e in stan ardization at the f olowin
• IEC Electro edia: avai a le at ht p:/ www.electro edia.org/
• ISO Onl ne browsin platf orm: avai a le at htp:/ www.iso.org/o p
3.1.1
at ribute
data element f or the computer sen ible des ription of a pro erty, a relation or a clas
EX MPLE Cre tio d te of a pro u t c ara teriz tio cla s o je t in a c mp ter s stem
[SOURCE: ISO/IEC Guide 7 -2:2 0 , 2.2, modif ied – The note has b en deleted an the
example re laced
3.1.2
c ara teristic
distin uis in f eature
Note 1 to e try: A c ara teristic c n b in ere t or a sig e
Note 2 to e try: A c ara teristic c n b q altativ or q a titativ
[SOURCE: ISO 2 2 4:2 13, 3.3, modif ied – The notes 3 an 4 an the example have b en
deleted
3.1.3
cla s
a straction of a set of simi ar prod cts
EX MPLE Th s t of pro u ts u e b a p rtic lar e terpris a d th s t of al ISO-sta d rdiz d pro u ts are
two e ample of c nte ts In th s two c nte ts (th p rtic lar e terpris a d ISO), th s t of pro u ts th t are
c n id re a memb rs of th si ngle b l l b ari ng cla s c n b dif fere t, in p rtic lar b c u e emplo e s of e c
e terpris ig ore a n mb r of e istin sin le b l b arin pro u ts
Note 1 to e try: A pro u t th t c mple with th a stra tio d fin d b a cla s is c le a cla s memb r
Note 2 to e try: A cla s is a inte tio al c n e t th t c n ta e diff ere t e te sio al me nin s in difere t
c nte ts
Note 3 to e try: Cla s s are stru ture b cla s in lu io relatio s ip
Note 4 to e try: A cla s of pro u ts is a g n ral c n e t a d fin d in ISO 10 7- Th s, it is a vis ble th t th
rule d fin d in ISO 7 4 b u e for d f i in th d sig atio a d d finitio atrib te of cla s s of pro u ts
Note 5 to e try: In th c nte t of th ISO 13 8 s rie , a cla s is eith r a c ara teriz tio cla s, a s ciate with
pro ertie a d u a le f or c ara terizin pro u ts, or a c te oriz tio cla s, n t a s ciate with pro ertie a d n t
u a le for c ara terizin pro u ts
Trang 11Note 1 to e try: Obje ts ma b material (e.g a e gin , a s e t of p p r, a diamo d), immaterial (e.g.
c n ersio ratio, a proje t pla ) or ima in d(e.g a u ic rn)
IEC CDD IEC Common Data Dictionary
4 Data structure f undamentals
For the con enien e of the re der, Clau e 4 des rib s key con e ts u ed in the IEC 613 0
series an in related stan ard in a generic f orm for cre tin a b sic u derstan in of the
information o jects that make up IEC 613 0 compl ant dictionaries F r the detai ed,
normative inf ormation, ple se ref er to Part 1 an Part 2 of IEC 613 0 Ad itional information
can b f ou d in [7]
1
An IEC 613 0 compl ant dictionary provides an ordered col ection of con e ts an
c aracteristic that can b u ed f or des ribin prod cts or services in data s e ts,
en ine rin to ls, or electronic bu ines a pl cation , etc These items may b an material
or non-material prod cts, services, fun tion , location , doc mentation , etc Al con e ts an
c aracteristic s al b val d within a wel def i ed domain an s al alway have a def i ition
For this the u derstan in of the folowin f un amental con e ts is es ential:
_ _ _ _ _
1
Numb rs in s u re bra k ts refer to th Biblo ra h
Trang 12– clas ;
– pro erty;
– atribute
4.2 Cla s
A clas is an a straction of a set of prod cts
NOT 1 IEC 613 0-2 difere tiate b twe n v rio s kin s of cla s s For th p rp s of this p rt "cla s" is
u d rsto d a "c te oriz tio cla s" (s e 3.1.3, NOT 5)
These prod cts al serve the same purp se or f ulf il the same f un tion an s are a n mb r of
common p c l arities
Th s, clas es serve multiple purp ses
– esta l s in a clas if i ation s stem that al ows e s sortin of an item into this s stem of
con e ts an th s sp cifyin the nature of the item in q estion;
EX MPLE Th ta o omy of s e ie , intro u e b Carl v n Lin é at 17 5, is a e rly re re e tativ of a
cla sif i atio s stem His gro pin s for a imals remain to this d y e e th u h th gro pin s th ms lv s h v
b e sig if i a tly c a g d sin e th ir c n e tio
– providin s o in information f or the as ig ed c aracteristic an th s providin
information a out their inten ed domain of u es;
– groupin of c aracteristic into e si y manage ble sets
A clas may b se n as a placeholder f or al prod cts of the same kin , s c as the clas of
ampl f iers A prod ct is an material or non-material o ject b in def i ed f or some purp se
Material prod cts in lu e con e ts s c as articles, go d , material commodities, etc
where s non-material prod cts in lu e con e ts s c as services or con ultin activities
The cre tion of a con istent clas if i ation s stem that pro erly ref lects a bu ines domain can
b q ite diff ic lt Su h clas if i ation s stems s ould b con istent, comprehen ive, an
con ise
NOT 2 An o je t th t c mple with th a stra tio d f i e b a cla s is c le a cla s memb r
EX MPLE Fig re 1 s ows a cla sif i atio tre for amplfiers
Figure 1 – Ch ra terization tre f or ampl fiers
Th cla s "Diff ere tial amplfiers" gro p al c ara teristic th t are s e if i f or amplf i rs wh s o tp t sig al is
pro ortio al to th alg braic difere c b twe n th v lta e a ple to th ir two in uts Su h a cla s c n b s lt
furth r d wn into s b la s s lk o eratio al amplf i rs a d a -c u le amplfiers a s own in Fig re 1
IEC
Trang 134.3 Property
Pro erties sp cif y the c aracteristic of the memb rs of clas es Eac pro erty sp cif ies one
c aracteristic an the set of as ociated pro erties fuly sp cif ies al c aracteristic of the
memb rs of that clas Al memb rs of a clas s are the same set of pro erties
In man cases pro erties have a u it of me s re, an in some cases they have an as ig ed
value l st or are con trained by con ition
NOT Pro ertie e pre s c ara teristic s c a le gth, diameter, or rate v lta e
Ad itional y, e c pro erty s al b defi ed in a clas This clas sp cifies the domain of
a pl cation of the pro erty an the pro erty s al b me nin ful f or the domain sp cified by
this clas an its s bclas es
EX MPLE Fig re 2 s ows pro ertie a sig e to a cla s
Fig re 2 – Pro ertie of a cla s
4.4 At ribute
In the context of IEC 613 0-1 compl ant dictionaries an atribute sp cifies a sin le detai of
the dictionary item it b lon s to
EX MPLE 1 Name of a pro erty, id ntif i r of a cla s, or v rsio n mb r are e ample of atrib te Fig re 3
s ows ty ic l atrib te of a cla s re ord
IEC
Trang 14atrib te
Figure 3 – At ribute of a cla s
EX MPLE 2 Fig re 4 s ows ty ic l atrib te of a pro erty re ord
IEC
Trang 15Fig re 4 – At ribute of a property
4.5 Ke at ribute of IEC CDD e trie
Key elements of IEC CDD entries are the atributes that as ig me nin to pro erties an
clas es The most imp rtant atributes are:
– defi ition;
– note;
Textual information ke t in the at ributes of the o jects s c as prefer ed name, def i ition, or
note, are the b c b ne of the inf ormation content of the dictionary Th s, gre t care s al b
a pl ed to cre te s ntactical y an semantical y er or fre texts
The q al ty of an IEC CDD entry mainly de en s on the inf ormation given within these
at ributes Th s, it is imp rtant to draf t their content careful y
IEC
Trang 164.5.2 Def inition
Atribute defi ition:
statement that des rib s the me nin of a pro erty in an
u ambig ou an u iq e man er to p rmit its diff erentiation from
al other pro erties
EX MPLE 1 Definitio of arcin dista c ":
arcin distanc
v lu of th s orte t dista c in air e tern l to th in ulator b twe n metal c
p rts n rmaly h vin th o eratin v lta e b twe n th m
Con ention an req irements:
a) An defi ition s al b derived from the original defi ition as
a p arin in the latest cor esp n in IEC or ISO stan ard , if
avai a le
b) Where p s ible, def i ition of pro erties s al b in e en ent
f rom sp cif i clas es Th s, reu e of the pro erties in other
g) If the con e t req ires a l mitation of its a pl ca i ty this s al
b expl citly expres ed in the defi ition
EX MPLE 2 Th re e ist diff ere t s ma tic of th term " ate v lta e";
within pro u ts ≥ 1 kV, th terms rate v lta e e pre s th ma imum
v lta e for whic a pro u t is b in d sig e a d c nb o erate This is
v lu of th time re uire for th re ers c re t of a dio e to re o er to a
s e ifie v lu , wh n switc e foma s e ifie forward c r e t to a
s e ifie re ers v lta e, at s e ifie c n itio s
i) In the case con ition are sp cif ied, the def i ition s ould en
with the wordin "at sp cified con ition(s)"
j) If the con e t re resents a kin of average value, the method
of calc latin the average s al b desig ated, by u in a
term that desig ates the method, s c as “arithmetic
me n”, ”ge metric me n”, “median”, or “mode”, either in the
prefer ed name or in the defi ition
Trang 17EX MPLE Th pro erty "e ers re o ery time" is furth r clarifie b a n te:
"Th re ers re o ery time is me s re a th time interv l b twe n t0, th
p int wh re th forward c re t cro s s th z ro c re t a is, a d th in ta t
Ta le 1 l sts man atory atributes of selected inf ormation o jects of IEC 613 0-1 an the
sources of their inf ormation content F r the des ription of the atributes se IEC 613 0-1
Table 1 – Ma datory at ribute of s le te IEC CDD obje ts a d their sourc s
Administrative atribute
Data eleme t ty e cla s pro o er
Trang 18NOT "Pro erty d ta eleme t ty e" refers to a c n tru t s e if i d in IEC 613 0-2:2 12 h vin th s me n me.
5 Writing of def initional c ntent
5.1 Ba ic re uireme ts
A def i ition s al def i e a con e t as a u it with a u iq e inten ion or exten ion For
ad itional detai on terminological prin iples se An ex E, ISO 7 4:2 0 , or
ISO/IEC Directives, Part 2:2 16, Clau e 16
The fol owin b sic req irements a ply for def i ition :
– Def i ition s al b provided in the sin ular f orm;
EX MPLE
Le d penci
p n i wh s gra hite c re is fix d in a wo d n c sin th t is remo e for u a e b s arp nin
– The content of the IEC 613 0-1 at ribute "prefer ed name" s al con eq ently b sin ular,
to ;
– Def i ition s ould con ist ide l y of a sin le strin of word ("senten e") that may b u ed
to s bstitute the term in its original en ironment;
– Def i ition s al start with a lowercase leter an en without a f ul sto
NOT Th q alty of a dictio ary is d cisiv ly in u n e b th q alty of its d finitio s
5.2 Principle f or def inition writing
Eac def i ition s al comprise a statement explainin what the con e t or c aracteristic is
The statement is made up of a s bject, co ula an predicate The s bject is the desig ation,
the co ula is u dersto d to b the verb “is“ an the predicate con titutes the def i ition
EX MPLE 1
le d penci
p n i wh s gra hite c reis fix d in a wo d n c sin th t is remo e for u a e b s arp nin
Note 1 to e try To b u e for writin or ma in mark , a le d p n i mu t b s arp n d at le st at o e e d
Trang 19The entry s ould re d as f ol ows: “ A] le d p n i [is a] p n i whose gra hite core is f i ed in a
wo den casin that is removed f or u age by s arp nin ”
The word makin up the def i ition s ould b common lan uage as sp cified by the ref eren e
work f or En l s lan uage recommen ed by the IEC Directives (se ISO/IEC Directives,
Part 2:2 16, 8.5) an s ould not ne d f urther explanation
NOT A c n e t or c ara teristic h s alwa s a d finitio re ardle s if its d sig atio , ie prefere n me (s e
IEC 613 0- ), is ta e fom c mmo ly u e dictio arie or oth r c mmo s urc s
EX MPLE 2 Th word "c mp ter u e in th b d of a d finitio d e n t n e furth r e pla atio if its inte d d
me nin is in a c rd n e to c mmo la g a e a s e ifie , e.g in Th Co ci se Ox ford D t i on ry (s eISO/IEC
Dire tiv s, Part 2:2 16, 8.2) wh re s a c n e t or c ara teristic d sig ate a "c mp ter alwa s re uire a
d finitio
If exp rt lan uage is u avoida le or mis n erstan in s are l kely the def i ition s ould b
complemented by a referen e to ac nowled ed sources s c as International Stan ard or
exp rt l terature where further explanation can b f ou d
5.3 Concis n s
Ide l y, def i ition s al b as simple an con ise as p s ible Complex def i ition can
contain several de en ent clau es, but caref ul y writ en def i ition contain only that
inf ormation whic makes the con e t u iq e On the other han , no information req ired f or
ac ievin the u iq enes of the con e t or c aracteristic s al b hid en Al information
es ential for defi in the con e t s al b dis losed
EX MPLE 1 Th p ra e “… a d c n id rin oth r c n itio s” in a d f i itio state th n c s ity of a ditio al
informatio for th d finitio with ut pro idin this informatio a d, th s, violate th a o e re uireme t
An ad itional des riptive inf ormation de med neces ary s ould b in lu ed in a note
EX MPLE 2
le d penci
p n i wh s gra hite c reis fix d in a wo d n c sin th t is remo e for u a e b s arp nin
Note 1 to e try To b u e f or writin or ma in mark , a le d p n i mu t b s arp n d at le st at o e e d
A defi ition s al des rib only one con e t or c aracteristic It s al not in lu e hid en
defi ition for an con e ts u ed to identif y q al ties An q al ty that req ires an explanation
s al b def i ed se arately as a con e t or given in a note
EX MPLE 3
le d penci
p n i wh s wo d n c sin is f i e aro n gra hite, a s ft, bla k form of c rb n
This def i ition of "le d p n i " in lu es a hid en defi ition f or the con e t "gra hite" The
q al ty "a sof t, blac form of carb n" s ould b removed an u ed in a se arate defi ition f or
the con e t "gra hite"
5.4 Principle of s bstitution
The s bstitution prin iple s al b u ed to test the val dity of a def i ition A defi ition is val d if
it can re lace a desig ation in a text without los of or c an e in me nin
5.5 Def icie t d f initions
Common typ s of def i ient def i ition are: circ lar, in omplete or negative def i ition
Trang 205.5.2 Circ lar def initions
If one con e t is def i ed u in a secon con e t, an that secon con e t is def i ed u in
the term or elements of the term desig atin the first con e t, the res ltin def i ition are
said to b circ lar Circ lar def i ition do not ad u derstan in of the con e t an s al b
avoided
Def i ition can b circ lar:
– within a sin le defi ition;
– within a s stem of defi ition
Circ larity within a def i ition oc urs when the desig ation is re e ted to introd ce the
defi ition or an element of the desig ation is u ed as a c aracteristic When f ormulatin a
def i ition, it is not p rmis ible to re e t the desig ation to introd ce the def i ition (se
EXAMPLE 1)
EX MPLE 1
tre h ig t:
ci rcular d efi ni ti on: tre h i ght me s re fom th gro n s ra e to th to of a tre
c re t ed d efi ni t i on: dista c b twe n th gro n s ra e a d th to of a tre
The u e of an element of the desig ation, other than the he d word, as a c aracteristic in the
defi ition s ould b avoided as mu h as p s ible (se EXAMPLE 2) However, cases exist
where the name of the s p rordinate con e t is p rt of the desig ation of the term This p rt
of the desig ation may b reu ed in the def i ition of the term
EX MPLE 2
e ergre n tre :
ci rcular d efi ni ti on: tre with evergre n f ola e
c re t ed d efi ni t i on: tre th t retain its fola e thro g o t its lfetime
Note, th t in this e ample "tre " is th s p rordin te c n e t for "e ergre n tre " a d th s is re s d in th
d finitio of e ergre n tre "
In cases when the desig ation of the con e t is very close to the name of the s p rordinate
con e t ef f ort s ould b in ested in f i din another name f or the con e t to avoid
mis n erstan in s Even thou h formal y cor ect, the def i ition b low may e si y cre te
mis n erstan in s (EXAMPLE 3)
EX MPLE 3
Intern tio al Sta d rd
intern tio al sta d rd p bls e b IEC, ISO, ISO/IEC, or b ITU
Note, th t "Intern tio al Sta d rd" a d "intern tio al sta d rd" are v ry clo e a d c n e siy b c nf us d
A def i ition is circ lar within a s stem of def i ition when two or more con e ts are defi ed
by me n of e c other
5.5.3 Incomplete def inition
A defi ition s al des rib the content of the con e t precisely It s al b neither to nar ow
nor to bro d
Otherwise, the def i ition is con idered in omplete Non-es ential or ir elevant c aracteristic
in the defi ition can u intentionaly in lu e or ex lu e o jects from the exten ion of the
con e t
A def i ition is con idered to bro d if the c aracteristic selected to des rib the con e t do
not al ow f or o jects that are impled by the def i ition, as p rt of its exten ion A defi ition is
con idered to nar ow if the c aracteristic (selected to des rib the con e t al ow for
o jects that are not impled by the def i ition, as p rt of its exten ion
Trang 21EX MPLE 1
me h nic l p n i
to bro d: writin in trume t c mp s d of ab rel a d a re l
By n t s e ifyin pre is ly th ty e of refi s, this d f i itio bro d n th e te sio to in lu e b l-p int, roler b l
a d felt-tip p n a wel a me h nic l p n is
me h nic l p n i
to n row: writin in trume t c mp s d of a b rel a le d re l a d p s -b to a v n e me h nism
By s e ifyin a p s -b to a v n e me h nism, this d f i itio n r ows th e te sio to e clu e th s me h nic l
p n is u in oth r ty e of a v n e me h nisms
me h nic l p n i
c re te d f i itio : writin in trume t c mp s d of a b rel a le d refi a d a le d-a v n e me h nism
In ada tin an existin defi ition to a sp cif i s bject f ield or context, care s ould b taken
not to c an e the exten ion of the con e t A c an e to the exten ion le d to a new u it an
a dif ferent con e t Simiarly, c an es to an of the es ential c aracteristic in a def i ition
res lt in a new con e t
A p rtic lar context rarely refers to al the o jects makin up the exten ion of a con e t
Def i ition in laws an reg lation ten to b interpretive rather than def i in Def i ition in
International Stan ard s ould b defi in rather than interpretive If a con e t is restricted to
a p rtic lar interpretation f or a given text, it s al b explained in the b d of the International
Stan ard rather than by cre tin a new con e t with a nar ower exten ion If sp cifi ation
information is as ociated with the con e t, then this s ould b given in an a pro riate
sp cif i ation clau e rather than in a defi ition
EX MPLE 2
to n r ow: org niz tio
for th p rp s s of this re ulatio , b die n t o eratin for profit
This d f i itio of "org niz tio " d e n t d f i e th c n e t org niz tio " b t merely sig als h w to interpret th
c n e t in a giv n c nte t From al th o j ects th t ma e u e te sio of th c n e t "org niz tio ", this c nte t
c n id rs o ly th s n t o eratin for pro t
c re te d finitio : tre th t lo e its fola e s a o aly
However, when the a sen e or non-existen e of a c ara teristic is es ential to the
u derstan in of a con e t, a negative def i ition may b req ired
EX MPLE 2 n n o formity: n n-ulf ilme t of a s e if i d re uireme t
Def i ition may b complemented by one or more notes or examples Notes an examples
s al only b u ed for givin ad itional information inten ed to as ist the u derstan in or
u e of the def i ition
They s al not contain req irements or an information con idered in isp n a le for the u e
of the defi ition
When several notes oc ur within the same def i ition, they s al b desig ated “NOTE 1”,
“NOT 2”, “NOT 3”, etc When several examples oc ur within the same defi ition, they s al
b desig ated “EXAMPLE 1”, “EXAMPLE 2”, “EXAMPLE 3”, etc
Trang 226 Re ommendations f or textual inf ormation in dictionaries acc rding to
IEC 61360 series
The req irements of the ISO/IEC Directives, Part 2 [3] a ply for the textual p rts of IEC CDD
For the convenien e of the re ders, 6.2 to 6.10 b low f oc s on the most commonly
en ou tered pro lems an s mmarize req irements set forth in [3] or explain pro lems
sp cif i to dictionary entries
6.2 Re omme d tion th t emerge f rom th impleme tation of IEC CDD
Due to the imp rt ca a i ties of the implementation of IEC CDD, certain recommen ation
a ply
NOT Se als IEC 6 6 6- for a d taie s e ific tio of th IEC C D d ta interf ac
a) Blan field (field containin no data) s al b entirely empty, containin no n l
c aracters or sp ces
b) Field s al not contain an le din or trai n n l c aracters or sp ces
c) Dates s al b given in the f orm "y y -mm-d "
d) Field values that exten over more than one l ne (nota ly def i ition, note an remark)
s ould b typ d as contin ou text with no l ne bre k To in icate a l ne bre k in the text,
the vertical b r c aracter ( |” s al b u ed
e) Sp cial c aracters an formats s c as s p rs ript, s bs ript or ital c , are u ual y lost
when b in tran fer ed from one a pl cation to another Becau e there is no g arante
that a target s stem wi re d them cor ectly, an ASCI re resentation is u ed f or s mb ls
an u its in the data ase For Gre k let ers, the SGML f orm is u ed, e.g “α”, whi st
f or s bs ripts an s p rs ripts the control c aracters “_” or “* ”s ould b u ed to start the
s bs ript or s p rs ript, f ol owed by a closin c rly brac et “}” af ter the s bs ript or
s p rs ript Th s, a s mb l name can a p ar as “α_1}”, to b presented as “α
The lan uage for the referen e version of al textual p rts of IEC CDD s al b Britis En l s
Al other lan uages, in lu in the Fren h lan uage version, s al b derived f rom this
ref eren e version
The verb l forms “s al ” an “s al not in icate req irements to b f ol owed to conform to the
stan ard an f rom whic no deviation is p rmit ed The word “s al ” an “s al not s al b
u ed in normative text an s al not b u ed in the introd ction, f oreword, notes, or examples,
whic are informative text
“Shal ” s al b u ed to denote the f ol owin :
– is to…;
– is req ired to …;
– it is req ired that …;
Trang 23Do not u e “mu t ex e t to des rib “u avoida le” situation Do not u e “may not in te d
of “s al not to expres a prohibition
6.4.3 Using “mu t” a d “must not”
The word “mu t an “mu t not s al b u ed only to con ey con traints or o l gation
def i ed outside of the doc ment
6.4.4 Using “s ould” a d “s ould not”
The word “s ould” an “s ould not s al b u ed to recommen a p rtic larly s ita le
p s ibi ty or course of action without ex lu in others “Should” s al b u ed to denote the
f ol owin :
– it is recommen ed that …;
– ou ht to …;
– “Should not s al b u ed to denote the fol owin :
– it is recommen ed that… not;
– ou ht not to …
6.4.5 Use of “ma ” a d “ne d not”
The word “may” an “ne d not in icate a course of action that is p rmis ible within the l mits
of the stan ard “May” s al b u ed to denote the f ol owin :
The word “can” an “can ot in icate p s ibi ty an ca a i ty
“Can” s al b u ed to denote the fol owin :
– to b a le to …;
Trang 24NOT “Ca ” refers to s methin th t is p s ible wh re s “ma ” refers to s methin th t is p rmite
6.4.7 Use of “i e.”, “e.g.”, a d “etc.”
Do not u e “i.e.” an “e.g.” In te d, u e “ hat is” an “for example” If u in “ hat is,” the l st
that f ol ows s al b al in lu ive where s “f or example,” s al only l st some of the
p s ibi ties an s al only a p ar in a note or example Likewise, do not u e “etc.” En the
series prior to the “etc.” b in certain to u e a serial comma b f ore the “an ” (ad ed if not
alre d there) To state that the series is in omplete, u e “s c as” at the start of the series
6.4.8 Use of abbre iations
Use of a breviation s ould b avoided A lst of a breviation is not man atory for
IEC 613 0 dictionaries Th s, no u ambig ou interpretation of an a breviation can b
en ured If an a breviation has to b u ed the u a rid ed form s al b in lu ed in brac ets
when the a breviation is u ed
EX MPLE Th a bre iatio “A ” c n sta d for s v ral me nin s s c a “altern tin c re t, “air c n itio ”,
“Ac tyl”, a d“Actinium”
6.5 Quotation f rom sta d rds or doc me te sourc s
In man cases it is desira le to introd ce con e ts f rom other sources s c as stan ard or
ac nowled ed exp rt l terature into the dictionary International, national or in u try stan ard
may b ref eren ed; however, if there is also an ISO or IEC stan ard, the ISO or IEC stan ard
s al b u ed
Bef ore a term an a defi ition are esta l s ed f or a con e t, it s ould b as ertained that no
other term an def i ition f or that con e t exist in another doc ment In ISO, refer to the
con e t data ase: <ht p:/c b.iso.org> In the case of electrotec nical terms, refer to the
International Electrotec nical Voca ulary (IEC 6 0 0): <ht p:/ www.electro edia.org>
Inf ormation o jects s c as clas es or pro erties s al b ref eren ed by givin their
International Registration Data Identifier (IRDI)
NOT Se IEC 613 0- a d ISO/IEC 1 17 -6 for a ditio al inf ormatio o id ntif i atio of inf ormatio o je ts
u in IR I
EX MPLE 1 Ex mple of a refere c u in th Intern tio al Re istratio Data Id ntif i r: "[SOUR E:
01 2/2/ 613 0_4#A F3 7]"
Ref eren es to a p rtic lar element of another stan ard s al in lu e the clau e ref er ed to as
wel as the referen e n mb r of the stan ard an the ye r of publcation ISO or
IEC Tec nical Sp cif i ation , Publ cly Avai a le Sp cif i ation , an Tec nical Re orts may b
ref eren ed in the same way
EX MPLE 2 [SOU CE: ISO/IEC Dire tiv s, Part 2:2 16, 16.5.9]
EX MPLE 3 [SOU CE: ISO 8 0 0- :2 0 , 3.3, mo ifie – Note 3 h s b e d lete ]
Trang 25In ad ition, an publ cly avai a le doc ment, s c as exp rt lterature, havin wide
ac e tan e an authoritative statu as wel as b in publ cly avaia le may b ref eren ed
An referen e to l terature containin explanatory information a out the def i ition s ould go
into a note Esp cial y if ref er in to doc ments other than stan ard the wordin of the text
may b not in l ne with the ISO/ IEC rules for def i ition Minor f ormal ada tation of the text
s c as omitin the def i ite article at the b gin in of a def i ition an le vin out the
pu ctuation at the en ne d not b in icated as modif i ation
More exten ive modif i ation s al b in icated as p ra hrase When p ra hrasin of the
original def i ition can ot b avoided, gre t care s al b taken not to modif y the original
me nin
Ref eren es to a p rtic lar element of a doc ment other than a stan ard s al in lu e the
name of the author, the ye r of publ cation an the n mb r of the p ge where the source text
oc urs (se EXAMPLE 4) The f ul referen e s al b contained in the atribute "Source
doc ment of defi ition" (se EXAMPLE 5)
EX MPLE 4 [SOU CE: IUPA ( 9 7, p.3 7), mo if i d – p ra hra e c nte t
EX MPLE 5 IUPA : Comp nd i um of Ch mi cal Termi nology, 2
n
e c mpie b A D McNa g t a d
A Wikin o Oxford: Bla kwel Scie tif i Pu lc tio s, 19 7
Summaries are not a val d citation of a source doc ment
6.6 Us of quotation mark
Quotation mark s al b u ed to set of f word or phrases that may confuse the re der if not
marked Double q otation mark “…” denote q oted text or p rtic lar text strin values
6.7 Spel in
The sp l n of the names of organization , an their a breviation , s al b as u ed by those
organization , in En l s or Fren h
To f aci tate u derstan in by al re ders, the style s al b as simple an con ise as
p s ible This is p rtic larly imp rtant f or those re ders whose mother ton ue is not one of
the of f icial lan uages of ISO an IEC
The f ol owin ref eren e work f or lan uage are recommen ed (se ISO/IEC Directives,
Part 2:2 16, 8.2):
– f or En ls : Th Sh rter Ox ford En li h Dictio ary, Th Co cis Ox ford Diction ry, Th
Co ins Co cise En li h Dictio ary, We ster’s N ew World Co e e Diction ry or Ch mb rs
Co cis Dictio ary;
– f or Fren h: Diction aire L Ro ert, Diction aire L ro s e a d Dictio n ire des d ific lté
d e la lan u fa ç is , V Thomas, L rou se
Ab reviated terms s al b u ed with care, an their u e s al b l mited to those cases where
it is not l kely to cau e conf usion (se ISO/IEC Directives, Part 2:2 16, 8.3)
NOT Sp l n c e k rs a s ciate with word pro e s r pro rams rarely, e e in th “Britis s el n ” mo e,
c nf orm to th re uire dictio ary
Note the cor ect sp l n of the fol owin :
– n mb rs from one to nine s al b sp l ed out in word ;
– model n , model ed, centre, colour, co rdinate, faceted, l tre, metre, mi imetre,
neig b ur, organization;
Trang 26an the prefer ed sp l n of the f ol owin :
– in tantiation
If American En l s is u avoida le, e.g f or sp cialst terms, the p stf i “– n US–“ s al b
ad ed af ter the p s age in q estion
Other lan uages s c as Fren h, German, Ja anese, etc may b cre ted u der the
resp n ibi ty of the resp ctive National Commit e
L cal zed version of dictionary o jects s ould car y their own version an /or revision
identif iers d e to p s ible laten ies or er or cor ection d rin the tran lation proces
6.8 Hyphe ation
In general, h phenation s ould b u ed to improve re da i ty an a p aran e Hyphenation
s al f ol ow the rules given in the ref eren e work f or lan uage as sp cif ied in 6.7 These
sp cial terms s al b h phenated as f ol ows:
– non-zero;
– two-dimen ional, thre -dimen ional (may b a breviated as “2D” or “3D” ;
– X-axis, Y-axis, an Z-axis
Ab reviation s al not b divided by a l ne bre k
6.9 Words to a oid
Avoid the u e of word that are corp rate trademark If the u e of trademark is neces ary,
ac omp n the word by the trademark s mb l “™” or the registered trademark s mb l "
®
" as
a pro riate
EX MPLE Th title of ISO T 10 0 -2 is “Impleme tatio meth d : Ja a™ pro rammin la g a e bin in to
th sta d rd d ta a c s intera e with Intern tIntra et e te sio s” Sin e th word “Ja a” in this c nte t is a
tra emark, it is a c mp nie b th s mb l “™”
Avoid the fol owin word to provide editorial con isten y:
– "an /or : rather than u e this form, exp n the explanation an present b th cases;
– "datums": the plural of “datum” is “data” If one is tempted to u e “datums”, c an e it to
“datum p ints” or “datum l nes” or “datum planes” as the case may b ;
– "uti se": u e “u e” in te d;
– “in other word ”: this phrase is of ten u ed to join two alternative defi ition of a term or
con e t: the alternative defi ition s ould b reviewed an recon i ed
However, if a project cites another ISO or IEC stan ard, or bro dly ac e ted terminolog for a
given domain f or a sp cif i me nin of a prohibited term, the editor s ould f ol ow the cited
sp l n
6.10 Fre ue tly us d words
The f olowin terms are u ed freq ently in stan ard To en ure editorial con isten y, they
s ould b u ed only in precisely def i ed contexts
– b twe n/amon : u e “b twe n” to me n “exactly two”; u e “amon ” to me n “ wo or more
than two”;
– data: “data” is a plural nou an req ires a plural verb, that is, “data are” not “data is” In
cases where the n mb r of items is imp rtant a wordin s c as "a piece of data", "a set
of data", "two sets of data" may b u ed;
– if : if an “if” clau e en s in a comma, do not f ol ow it with the word “ hen”;
Trang 27– presentation: do not u e “presentation” for “re resentation” “Presentation” s ould b
restricted to situation with vis al asp cts;
– whic : do not u e “whic ” in place of “ hat “That introd ces a defi in phrase; “whic ”
introd ces an inf ormational phrase
Names are u ed to desig ate o jects, s c as clas es or pro erties They play an imp rtant
role as ena lers of h man commu ication a out the o jects an their me nin Even thou h
names s ould b u iq e, it is not g arante d that names are u ambig ou where s
identif iers s al b alway u iq e
7.2 Pref er e name
When a new entry is ad ed, a prefer ed name has to b selected This name s ould matc
the most commonly u ed En l s name within the in u try f or whic the re resented con e t
is u ed
The u e of the same pref er ed name s ould b avoided as mu h as p s ible within a close
f ami y of clas es In p rtic lar the same pref er ed name for dif f erent pro erties that may b
p tential y a pl ed to the same clas s ould b avoided
If s c is inevita le, care mu t b taken to cle rly dif ferentiate the def i ition of s c
pro erties
NOT Within IEC, Britis En ls is re u ste
7.3 Sy onymou name
Alternatives to a prefer ed name may b u ed to ac ompl s glo al u derstan in Within a
given lan uage, f or example Britis En ls , other En l s terms deviatin from the Britis
-En l s may b u ed
7.4 Name s al not inf er ra ge v lue
Entries s al not b named or def i ed in a way so as to infer multiple values
Entries whose pref er ed names or s non mou names containin the word “ran e” s ould b
examined closely f or violation of this con traint
In tan es of a pro erty def i ition, s c as “Sup ly Voltage”, can b re orted in an
interc an e with a “min” an “max” data typ q al f ier In this case, there s ould not b two
dif f erent pro erty def i ition with names l ke “Sup ly Voltage Minimum” an “Sup ly Voltage
Maximum”
However, the pro erty def i ition “OFF-state L akage Cur ent is normal y re orted in a
datas e t only in the context of a maximum le kage, whic may b p sitive or negative,
de en in on some other voltage c aracteristic So the defi ition semantic s ould state
somethin l ke, “…the a solute value of the maximum c r ent le kage…”, so that an
interc an e re orts a sin le, p sitive n mb r with cle r semantic
7.5 Name s al not imply produ t pa k gin
Names s ould b as ociated with u it items an not b de en ent on p c agin or an other
asp ct of the s p ly c ain Ex e tion to this rule may b made where a u iq e ne d, an
u ambig ou defi ition, an avai a i ty of inf ormation (source bi ty) s p ort the rigour
req ired to maintain a sin le clas set
Trang 288 Units of measure
A pro erty of me s rement typ s al b lon to one q antity at most If a pro erty can b
def i ed with multiple u its in dif ferent q antities, the pro erty s ould b divided into an
a pro riate n mb r of pro erties so that al the u its of e c pro erty s al b lon to the
same q antity
EX MPLE L a re ulatio of lo ic ICs for p wer s p ly c n b c n e tu ly e pre s d with a u it eith r of
µV/mA, %/mA, %, mV, or Ω Th s u its b lo g to dif fere t q a titie , th refore, pro ertie for th s u its are
d fin d b e c q a tity
If a u it is sp cif ied f or a me s rement typ pro erty, it is recommen ed to sp cif y it by its
code def i ed in IEC TS 6 7 0 whic is also avai a le onl ne from the IEC CDD, f or as ured
computer sen ible identifi ation of the u it
NOT Mainte a c work a d p s ible e te sio s of th IEC T 6 7 0 u its wi ta e pla e in a IEC d ta a e
Th s, IEC T 6 7 0:2 13 c n b c me o td te
Pref eren e s al b given to SI u its If there are alternative u its to b selected for a
pro erty, they s ould b sp cif ied Al alternative u its s al b lon to the same q antity
9 Import of data into IEC CDD
IEC 6 6 6-1 sp cifies the logical stru ture an layout of the spre d he t interf ace of
IEC CDD This stru ture al ows def i ition, imp rt, exp rt or tran fer of content To maintain
con isten y an avoid los of data alway complete rows of an IEC 6 6 6-1 compl ant data
set s ould b uplo ded to IEC CDD d rin imp rt Al f ield of a row wi b u ed to update
the related f ield in IEC CDD
IEC 613 0-1 an IEC 6 6 6-2 provide es ential g idan e a out u e an stru ture of
u derstan in
10 Qual ty of conte t
The originator of new or updated content for IEC CDD s al en ure that
– updates or cor ection are alway b sed on the latest version of IEC CDD content;
– ef f ort has b en taken to pre are cor ect an con istent uplo d data
As An ex C a c ec lst is provided that s al serve as g ide f or those who plan to s p ly
input to the dictionary The c ec lst ad res es common pro lems that were identif ied in the
p st
The a pl cation of the c ec lst b fore s bmis ion of data f or IEC CDD is imp rative
Ad itional y, the IEC CDD data ase interface p rf orms c ec s of the data files d rin imp rt
It is recommen ed that in olved p rson ac uire k owled e on IEC 613 0-1
Trang 29– Input by an authorized p rson or b d also refer ed to as “pro oser” (se Fig re 5);
– Content alre d contained in publ s ed stan ard (se Fig re 6);
– Data ase maintenan e (se Fig re 7)
NOT 1 Th o erla pin are s in Fig re 5 to Fig re 7 in ic te clo e c o eratio b twe n th in olv d gro p
By s bmitin content f or storage, dis u sion, or publ cation in IEC CDD the pro oser
impl citly declares that the s bmit ed content may b exploited f re ly ac ordin to the rules
stated in the lcen e statement of IEC CDD No economic rig ts (s c as co yrig t or
intel ectual pro erty rig ts) s al a ply that restrict the a ove u e of the s bmit ed mat er
(se [1])
NOT 2 Al items c ntain d in IEC C D are s bje t to th IEC/ISO c p rig t rule u le s oth rwis e plcitly
state (s e ISO/IEC Dire tiv s, Part 1:2 16, 2.13)
Fig re 5 – Input by a a thorize person or body
IEC
Trang 30Fig re 6 – Contributing conte t alre dy containe in publ s e sta dards
Figure 7 – Databa e mainte a c
IEC
IEC
Trang 31Annex A
(inf ormativ )
Use of tools to check consistency of data
Cre tin con istent an er or fre data f or uplo d to a dictionary can b dif f ic lt The
neces ary versati ty of the u derlyin data models an bro d ran e of equirements that have
to b met cal f or data stru tures havin some complexity Th s, sof tware to ls s p ortin the
cre tion an c ec in of the relevant inf ormation o jects s ould b u ed
Parcelmaker
®2
, a to l b sed on Microsof t® Of f ice Ex el®
3
, s p orts cre tin an interpretin
IEC 613 0-1 an IEC 613 0-2 as wel as ISO 13 8 -4 complant data in IEC 6 6 6-1 f ormat
Er or c ec in fun tion an fun tion providin an improved overview on the data gre tly
help to avoid in on isten ies an other imp rfection of the data
IEC 6 6 6-1 is a spre d he t re resentation for data b sed on IEC 613 0-1 an IEC 613
0-2/ ISO 13 8 -4 data models This re resentation was sp cifi al y desig ed to s p ort u ers
workin in of f ice en ironments without ac es to sp cial purp se sof tware In ad ition,
IEC 6 6 6-1 is u ed by IEC CDD as data format for imp rt an exp rt
From IEC Cola oration sp ce an IEC 6 6 6-1 compl ant Microsof t® Of f ice Ex el® template
f or u e with Parcelmaker® may b downlo ded The minimum inf ormation content of
IEC 613 0-1 data sets is marked with "MAND" within the spre d he ts Registered IEC
exp rts may f i d the latest version of the template at (p s word req ired):
ht p:/ col a oration.iec.c /L tu Quic r/other_s 3dworkin material/Main.n f /h_ oc/0 9 B0A3E
Micro oft® Of fic Ex el® is th tra emark of a pro u t s p le b Micro oft Corp ratio This informatio is
giv n for th c n e ie c of u ers of this d c me t a d d e n t c n titute a e d rs me t b IEC of th
pro u t n me Eq iv le t pro u ts ma b u e if th y c n b s own to le d to th s me re ults
Trang 32Annex B
(normative)
Scope and f ield of appl cation of proposed data
When providin tec nical y new content to IEC CDD adeq ate explanatory information a out
the plan ed content s al b provided
This inf ormation s al con ist of several sldes explainin
– s o e or f ield of a pl cation of the pro osed data;
– a plca le stan ard doc ments or exp rt l terature;
– stakeholders an
– p int s) of contact f or the pro osed c an e req est in lu in ad res an emai
The information s ould ena le the memb rs of the in olved commite s s c as the
Val dation Te m f or IEC CDD, its p rticip tin National Commite s or other in olved
Tec nical Commite s to u derstan s o e an u e of the pro osed data set
The material s al b s f f icient to al ow the National Commite s to identif y exp rts for the
p rticip tion in the evaluation an val dation proces of the pro osed data
Trang 33Annex C
(normative)
Checkl st
IEC CDD is a dictionary where clas es an as ociated pro erties are b in colected, servin
as international ref eren e l brary e sin the commu ication b twe n bu ines p rtners
The b low c ec l st may serve as g ide f or those who plan to provide input to the dictionary
It is recommen ed that in olved p rson are f ami ar with IEC 613 0-1
The c ec l st ad res es common pro lems that were identif ied in the p st
C.2 Ge eric issues
Are the tec nical commite s identif ied on international level within IEC whic ne d to
b in olved?
One c an e req est s ould b ad res ed to one tec nical commite only
For re son of e sier han l n of a c an e req est the maximum n mb r of rows in
e c s e t of its doc mentation ta les s ould b lmited to a out 10 rows In case of
large data sets the ac omp n in des ription ta les may b spl t up into several
as ociated s e ts
The related data set, i.e the IEC 6 6 6-1 conformin files, can contain more than 10 rows
This data set s al alway re resent the complete pro osed data set
C.3 Extension of existing classes by a ding properties
Eac of the pro osed pro erties s ould b verif ied, whether it is in e en ent of its
EX MPLE 2 A pro erty "Ve d r wi a ply to ma y pro u t cla s s a mo t pro u ts are b in bro g t into th
mark t b at le st o eorg niz tio
EX MPLE 3 A pro erty "Me s rin prin iple" wi a ply pro a ly o ly to th cla s d aln with me s rin
in trume ts
The content of the at ribute "Def i ition" s ould b b sed on val d IEC or ISO stan ard
Where p s ible, def i ition s ould b writ en in a style that they are in e en ent of a sp cif i
clas
Ref eren e s ould b made only to c r ent IEC or ISO stan ard Only in cases where
IEC or ISO stan ard are not avai a le, ref eren e to publcly avai a le National
Stan ard or exp rt l terature s ould b made
Trang 34If req estin pro erties with u its other than SI-u its, new pro erties s al b sp cified
if the pro erty in q estion alre d exists havin a SI-u it
Units from dif f erent u it s stems s ould not b a pl ed to the same pro erty In s c cases
ad itional pro erties s ould b sp cified (Se b low)
In order to des rib con u tors with sizes in American Wire Gau e (AWG) one s ould sp cif y
a new pro erty cal ed e.g AWG size
Are eventual y existin interde en en ies con idered amon pro erties?
EX MPLE 4 Th rate c re t of a d vic d p n s o th ma imum v lu of th temp rature for whic it is
fore e n
Do s an at ribute "s mb l" exist? Is it s p l ed in the related atribute Is its lan uage
in e en en y con idered? Is it cor ectly sp l ed?
Do s an at ribute "s ort name" exist? Is it s p l ed in the related at ribute Is its
lan uage in e en en y con idered? Is it cor ectly sp led?
Are dates alway in the notion "YYYY-MM-DD"?
The "level" con tru t s ould b a pl ed when def i in a ran e in q antitative pro erties
NOT 1 To e pre s a minimum a d/or ma imum v lu th le el c n tru t is a plc ble a d th s me pro erty is
u e o ly o c
Was a q al ty c ec a pl ed to the input file(s) for IEC?
NOT 2 Before a work item wi b a c pte a formal q alty c e k wi b ma e b th ma a eme t of th d ta
b s If th s nta is n t in ln , th re is a ris of th work item n t b in a c pte d e to p or q alty
A sp l n c ec er s ould b u ed when pre arin the textual content Britis
En l s (en-UK) is the f avourite lan uage of IEC
NOT 3 Within th IEC Commo Data Dictio ary, th En ls la g a e is th le din la g a e, a d is th o ly
o e c n id re to b th Sta d rd
C.4 Set ing up new classes with as ociate properties
If the existin clas es do not cover the desired con e ts, a new clas has to b set up
with def i ition, prefer ed name, etc The next hig er clas node in the hierarc y
(s p rtyp ) has to b identif ied to whic it s ould b related
The clas if yin pro erty has to b cre ted whic is control n p s ible s bclas es of
the clas
Trang 35Annex D
(inf ormativ )
IEC Maintenance procedure for IEC standards in database f ormat
An ex D informs a out the actual situation con ernin the data b se proced re as
doc mented in ISO/IEC Directives Sup lement [4]
An ex D wi not b updated if the proced re c an es
NOT Th c re t v rsio of th dire tiv s c n b a c s e via htp:/w w.e c /memb rs_e p rts/refd c /
The proced re is sp cif ied in detai in ISO/IEC Directives Sup lement:2 16, An ex SL
Fig re D.1 an Fig re D.2 s mmarize the proces
Exp rien e has proven that the original y sp cif ied time for resolution of evaluation is ues
(1 we k) can b to s ort Th s, a time sp n gre ter than one we k for this ste s ould b
tolerated
Fig re D.1 – The normal databa e proc dure (s e ISO/IEC Dire tiv s
Sup leme t:2 16, Anne SL)
IEC
Trang 36Figure D.2 – The e te de databa e proc dure (s e ISO/IEC Dire tiv s
Sup leme t:2 16, Anne SL)
IEC s bcommite 3D u es the infrastru ture of IEC CDD for its work Fig re D.3 s ows the
IEC CDD en ironments, their interaction, an the related doc ments
Figure D.3 – Proc s a d relate doc me tation
IEC
IEC
Trang 37Annex E
(inf ormativ )
Nature of def initions and terminological principles
There are dif f erent way to write def i ition of con e ts or terms; the two most common typ s
of def i ition are "inten ional" or "exten ional" def i ition
Inten ional defi ition in icate the s p rordinate con e t f ol owed by the c aracteristic(s) that
distin uis the con e t from other con e ts In practice, inten ional defi ition are prefera le
to other con e t des ription They s ould b u ed whenever p s ible as they most cle rly
reve l the es ential c aracteristic of a con e t
NOT 1 A more d taie tre tis of th s bje t c n b fo n in ISO 7 4:2 0
NOT 2 Inte sio al d f i itio s are b st u e wh n s methin h s a cle rly-d fin d s t of q altie , a d work wel
for s e ifyin s ts th t are to larg to lst in a e te sio al d f i itio It is imp s ible to giv a e te sio al
d finitio for a infinite s t, b t a inte sio al o e c n ofte b state c n is ly
EX MPLE 1 Th re is a in nite n mb r of e e n mb rs, imp s ible to lst, b t e e n mb rs c n b d fin d b
s yin th t th y are inte er multiple of two
An exten ional def i ition l sts al the con e ts cor esp n in to the o jects in the exten ion
In def i in clas es, an exten ional def i ition would l st al the o jects al owed within the
inten ion of the clas This kin of def i ition is to b u ed only if the n mb r of s b rdinate
o jects to b en merated is l mited, the l st of s b rdinate o jects is complete u der one
criterion of s bdivision, an the s b rdinate o jects are k own
EX MPLE 2 An e te sio al d f i itio of th term "n tio of th world" mig t b giv n b lstin al of th n tio s
of th world
Exten ional def i ition are more f req ently u ed to def i e con e ts whic cor espon to
pro erties In man cases, a closed set of p rmis ible values for a pro erty can b presented
as elements in the defi ition of the pro erty Su h sets of p rmis ible values may b the b sis
f or con isten y c ec in when u ers as ig values to pro erties
Trang 38Below a hig level overview is given of the con ention for writin defi ition as laid down in
the standard ISO/IEC 1 17 -4:2 0 [5] an ISO 7 4:2 0 (se Clau e 2)
F.2 ISO/IEC 1117 -4
F.2.1 Re uireme ts
A data def i ition s al :
a) b stated in the sin ular;
b) state what the con e t is, not what it is not;
c) b stated as one des riptive phrase or senten e;
d) contain only commonly u dersto d a breviation ;
e) b expres ed without emb d in def i ition of other data or u derlyin con e ts
g) u e the same terminolog an con istent logical stru ture f or related defi ition ;
h) b a pro riate f or the typ of metadata item b in defi ed
F.3 ISO 704
The con ention set out in ISO 7 4 can b s mmarized as f ol ows:
a) Def i e what it is, not what it is not
b) Def i e the con e t, do not write a l st of examples (exten ional def i ition , i.e a lst of
s b rdinate con e ts, are alowed in hig ly sp cialzed domain only)
c) Avoid circ lar def i ition
d) Do not def i e two con e ts A def i ition s al des rib only one con e t It s al not
in lu e hid en def i ition f or an con e ts u ed to identif y c aracteristic An
c aracteristic that req ires an explanation s al b def i ed se arately as a con e t or
given in a note
e) A defi ition is val d if it can re lace a desig ation in a text without los of or c an e in
me nin
Trang 39f ) Def i ition s al b as brief as p s ible an as complex as neces ary Complex defi ition
can contain several de en ent clau es, but caref ul y writ en def i ition contain only that
information whic makes the con e t u iq e An ad itional des riptive inf ormation
de med neces ary s ould b in lu ed in a note
g) The def i ition s ould not contain c aracteristic that b lon logical y to s p r ordinate or
s b rdinate con e ts
h) A def i ition s al des rib the content of the con e t precisely It s al b neither to
nar ow nor to bro d
F.4 Additional conventions
a) The term “value” s al not b writen in plural even if it is a level typ (e.g minimum,
typical an maximum value)
b) Alway in lu e the term “value” in the def i ition f or q antitative DETs ex e t f or
con itional data element typ s
c) Chan in at ributes to conform to the new con ention of this p rt of IEC 613 0 is by
default a revision c an e (minor c an e) u les sp cif ied otherwise, an wi only b done
alon with a c an e req est as ociated with the relevant data element typ
Trang 40Bibl ography
The doc ments referen ed here contain inf ormation that is recommen ed to k ow f or p o le
who cre te or maintain IEC 613 0 compl ant dictionaries or p rts there f
[1] Guide o Surv yin the Eco omic Co trib tion of the Cop rig tBa ed I ndustrie ,
World Intelectual Pro erty Organization, Geneva 2 0
[2] ISO/IEC Directives, Part 1:2 16, I SO/I EC Dire tiv s – P art 1: P ro ed ure for th
tec nic l work
[3] ISO/IEC Directives, Part 2:2 16, I SO/I EC Dire tive – P art 2: P rin iple a d rule for
the stru ture a d d raftin of ISO a d I EC d oc me ts
[4] ISO/IEC Directives Sup lement:2 16, P ro ed ure s e ific to IEC
[5] ISO/IEC 1 17 -4:2 0 , I nformation te h olog – M etad ata re istries (MDR) – P art 4:
Formulatio of data definition
[6] ISO/IEC 1 17 -6:2 0 , I nformation te h olog – M etad ata re istries (MDR) – P art 6:
Re istratio
[7] IEC PAS 6 5 9-1:2 0 , Ge eric s e ific tio of informatio o products – P art 1:
P rin iple a d methods
[8] ISO/IEC Guide 7 (al p rts), Guide for s e ific tio of prod uct pro ertie a d cla s s
[9] ISO 10 7-1:2 0 , Termin log work – Vo a ulary – P art 1: Th ory a d a p c tio
[10] ISO 2 2 4:2 13, Sy tems to ma a e termin log , k owled ge a d c ntent – Co c
pt-related a p cts for de elo in a d intern tio a zing clas ific tio s stems
[1 ] IEC TS 6 7 0:2 13, I dentific tio of u its of me s reme t for c mp ter-b s d
[12] ISO 13 8 (al p rts), I ndustrial a tomation s stems a d integratio – P arts li rary
[13] ISO 13 8 -4 , Ind ustrial a tomatio s stems a d integratio – P arts li rary – P art 4 :
De criptio methodolo y: M eth dolo y for stru turin p rts familie