Bsi bs en 61346 2 2001

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EUROPÄISCHE NORM Sept ember 2000

ICS 2 0 0

En ls v ersion

Indust rial syst ems, inst al at ions and equipment and indust rial product s

St ruct uring principles and reference designat ions

Sy st èmes indust riels, inst alat ions et

appareis et produit s indust riels

Princ ipes de st ruc t urat ion et désignat ions

de référenc

Part ie 2: Clas ific at ion des objet s et des

c odes pour les clas es

Indust riele Sy st eme, Anlagen und

Ausrüst ungen und Indust rieproduk t e

St ruk t urierungsprinzipien und

Tei 2: K las ifizierung v on Objek t en und

Codierung v on K las en

(IEC 61346-2:2000)

This Euro e n St an ard w as a prov ed b CENELEC o 2 0 -0 -01 CENELEC memb rs are b u d to

comply with the CEN/CENELEC Intern l R eg latio s which s p late the con itio s for givin this Euro e n

St an ard the status of a n tio al stan ard witho t a y alteratio

Up-to-d te lsts a d biblo ra hical refere ces concernin such n t io al stan ards ma b o tain d o

a plcat io t o t he Ce tral Secretariat or to a y CENELEC memb r

T his Euro e n St an ard exists in thre oficial versio s (En lsh, Fre ch, Germa ) A versio in a y other

la g a e ma e b tra slatio u d r the resp nsibi ty of a CENELEC memb r into its own la g a e a d

n tifie to the Ce tral Sec retariat h s the same st atus as the oficial versio s

CENELEC memb rs are t he n t io al elec t rot ec hnic al c mmit t ees of Austria, Belgium, Cz ech R ep blc,

De mark, Finla d, Fra ce, Germa y, Gre ce, Icela d, Irela d, Italy, L xemb urg, Netherla ds, Norway,

Portug l, Sp in, Swed n, Switz erla d a d United Kin d m

Forew ord

The t ex t of doc ument 3B/29 /FDIS, fut ure edit ion 1 of IEC 613 6-2, pre ared by SC 3B, Doc ument ation,

of IEC TC 3, Doc ument ation an gra hic al sy mb ls, an by ISO TC 10, T ec hnical draw in s, prod c t

definit ion an related documentat ion, was s bmit t ed t o t he IEC-CENELEC p ralel vot e an w as a prov ed

by CENELEC as EN 613 6-2 on 2 0 -0 -01

EN 613 6-2 c anc els not e 2 in 5.2.2 as wel as an ex E of EN 613 6-1:19 6

The folow in dat es w ere fix ed:

– lat est dat e by w hic h t he EN has t o b implement ed

at nat ional lev el by publc at ion of an iden c al

– lat est dat e by w hic h t he nat ional st an ard conflc t in

An ex es desig at ed "normative" are p rt of the b d of t he st an ard

An ex es desig at ed "informat iv e" are giv en for information only

In this st an ard, an e ZA is normat iv e an an ex es A, B, C an D are informativ e

An ex ZA has b en ad ed by CENELEC

The t ex t of t he Int ernat ional St an ard IEC 613 6-2:2 0 was a prov ed by CENELEC as a Euro e n

St an ard w it hout an modificat ion

Pa e

INTRODUCTION 4

Cla s 1 Sco e 5

2 Normative referen es 5

3 Def i ition 5

4 Clas if i ation prin iple 6

5 Clas ification of o jects ac ordin to purp se or tas an as ociated leter codes 6

6 Clas ification of inf rastru ture o jects an as ociated codes 14 7 Subclas es 17 An ex A (inf ormative) Basic req irements for the definition of leter codes in icatin the typ s of o jects .18 An ex B (inf ormative) Object-clas es related to a generic proces 2

An ex C (informative) Object-clas es related to o jects in a generic inf rastru ture .21

An ex D (informative) L ter s mb ls f or me s red or initiatin varia les .2

An ex ZA (normative) Normative ref eren es to international publ cation with their cor esp n in Euro e n publ cation 2 Fig re 1 – The b sic proces con e t 6

Fig re 2 – Clas ification of o jects an relevant leter codes in a me s rin circ it 8

Fig re A.1 – Con tituent o jects 19 Fig re B.1 – Object-clas es related to a proces 2

Fig re C.1 – Object-clas es related to o jects in a generic inf rastru ture 21

Ta le 1 – Clas es of o jects ac ordin to their purp se or tas an as ociated leter codes 9

Ta le 2 – Clas es of inf rastru ture o jects 15 Ta le 3 – Examples for some p s ible bran h- elated a pl cation of clas es B to U in ta le 2 16 Ta le D.1 – L ter s mb ls for me s red or initiatin varia les as given in ISO/DIS 14 17-6 2

The aim of this stan ard is to esta l s clas if i ation s hemes f or o jects whic can b a pl ed

throu hout al tec nical are s L ter codes u ed in the former IEC 6 7 0, re rod ced as – the

now can eled – an ex E of IEC 613 6-1, have b en maintained, u les they inter ere with the

generic a pro c However, an atempt has b en made to fin a solution whic wi cau e as

f ew c an es as p s ible

An ex A of this stan ard presents the b sic req irements for the def i ition of let er codes

in icatin the typ s of o jects

An ex B i u trates how o jects may b clas ified ac ordin to their purp se or tas related to

INDUSTRIAL SYSTEMS, INSTA LLA TIONS A ND EQUIPMENT

A ND INDUSTRIA L PRODUCTS –

STRUCTURING PRINCIPLES AND REFERENCE DESIGNATIONS –

Part 2: Classification of objects and codes for classes

1 Scope

This p rt of IEC 613 6 def i es o ject clas es an as ociated leter codes for these clas es to

b u ed in referen e desig ation

The clas ification s hemes are a pl ca le f or o jects in al tec nical are s an may b a pled

at an p sition in a tre -l ke stru ture set up in ac ordan e with IEC 613 6-1

NOT Th cla sific tio of o je ts th t are of intere t f rom th lo atio a p ct o ly is n t c n id re in th

pre e t e itio of IEC 613 6-2

2 Normative ref erences

The folowin normative doc ments contain provision whic , throu h referen e in this text,

con titute provision of this p rt of IEC 613 6 For dated ref eren es, s bseq ent amen ments

to, or revision of, an of these publcation do not a ply However, p rties to agre ments

b sed on this p rt of IEC 613 6 are en ouraged to in estigate the p s ibi ty of a plyin the

most recent edition of the normative doc ments in icated b low F r u dated ref eren es, the

latest edition of the normative doc ment refer ed to a pl es Memb rs of IEC an ISO maintain

registers of c r ently val d International Stan ard

IEC 613 6-1:19 6, I ndustrial systems, instalatio s a d e uipme t a d industrial products –

Stru turin prin iples a d refere c desig atio s – P art 1: Basic rules

ISO/DIS 14 17-6, Gra hic l symb ls for dia rams – P art 6: Me sureme t a d c ntrol fu ctions

3 Def initions

For the purp ses of this p rt of IEC 613 6, the definition given in IEC 613 6-1 a ply

4 Classif ication principle

The prin iple of clas if i ation of o jects is b sed on viewin e c o ject as b in p rt of a

proces with an input an an output (se f i ure 1)

Objec t

Input

Out putProc es

Fig re 1 – Th ba ic proc s con ept

Eac o ject whic is p rt of a proces can b c aracterized by the purp se or the tas with

resp ct to its input an output This imples that it is not imp rtant how the o ject is bui t up

internaly Purp se an tas are the main c aracteristic for esta l s in a clas ification

s heme in this stan ard (se also an ex B)

5 Classif ic tion of objects a cording to purpose or task and

associate let er codes

If , ir esp ctive of its p sition in an tre -l ke stru ture, an o ject interacts or is inten ed to

interact with a flow (f or example of electrical energ , information or material), the purp se- or

tas - elated clas ification s heme an the let er codes presented in ta le 1 s al b u ed

In prin iple, it is p s ible to clas if y an o ject ac ordin to ta le 1 It is recommen ed that this

ta le b u ed wherever a pro riate

In an ex B, fig re B.1 s ows the clas es of ta le 1 related to a generic proces model

For the clas ification of o jects ac ordin to the clas if i ation s heme given in ta le 1, the

f ol owin a pl es:

– the relevant o ject s al b viewed with regard to how it acts on the flow but without takin

into ac ou t how this is implemented;

EXAMPLE 1 The desired purp se of an o ject is "he tin " Ac ordin to ta le 1, this

o ject is cle rly related to clas E It is not of imp rtan e, or simply not k own at an e rly

stage of a desig proces , how the req ired purp se is re l zed This may b done by u in

a gas or oi burner or an electric he ter In the case of an electric he ter, the he t may b

prod ced by an electric resistor A resistor may, in other cases, b clas if ied by its purp se,

" estrictin a f low", ac ordin to clas R The purp se of the o ject in the proces is,

however, to prod ce he t, so clas E, not clas R, s ould b u ed

– there may b cases where more than one purp se or tas is identified In these cases, a

main purp se or tas s al b taken into ac ou t;

IEC 3 0/2 0

EXAMPLE 2 A f low- ate recorder stores me s red values f or later u e but, at the same

time, del vers an output in visible f orm If storin is regarded as the main purp se, the

o ject is related to clas C of ta le 1 If the in ication of me s red values is regarded as

the main purp se, the o ject is related to clas P

– there may b cases where no main purp se or tas can b identified Only in these cases

s ould clas A b u ed;

EXAMPLE 3 A tou h s re n at a cas disp n er of a b n serves as a me n for man al

input of information an , at the same time, as a device for in icatin inf ormation Both

purp ses can b regarded as eq aly val d Therefore clas A may b c osen

Fig re 2 i u trates the prin iple of as ig in clas es an relevant leter codes to o jects in the

case of a me s rin circ it On the left-han side, the u ed prod cts are s own The rig

t-han side i u trates how the prod cts are viewed as o jects with an input an an output

c) On pro u t for c mbin d p rp s s

Cla s B

Se s r

In t rume tTra s u er

Table 1 – Cla s s of o jects ac ordin to their p rp s or ta k

e e t) into a sig al for

furth r pro e sin

Table 1 (co tinu d)

sta d rdiz tio

K Pro e sin (e eivin ,

tre tin a d pro idin )

sig als or inf ormatio

Table 1 (co tinu d)

v ryin a flow of e erg ,

of sig als or of material

(For sig als in c ntrol

circ its, s e cla s s K

Table 1 (co tinu d)

ele tric l pro ucts

R Re trictin or sta i zin

Sele tor switc

Set-p int a ju ter

Table 1 (co tinu d)

W Guidin or tra s ortin

e erg , sig als, material

6 Classif ic tion of inf rastructure obje ts and associate codes

Eac o ject in a tre -l ke stru ture can b clas if ied ac ordin to ta le 1 an b coded with the

as ociated leter codes However, o jects l ke in u trial complexes con istin of dif ferent

prod ction f aci ties, or factories con istin of diff erent prod ction l nes an related au i ary

f aci ties, often have the same purp se or tas an therefore b lon to a restricted n mb r of

clas es In the context of this stan ard, these typ s of o jects are cal ed infastru ture o jects

NOT Inf ra tru ture is to b u d rsto d a th b sic stru ture of a in u trialin talatio

In man cases, it is recommen ed to diff erentiate the con tituent o jects by me n of se arate

leter codes Ta le 2 provides a fame for setin up a clas if i ation s heme an as ociated

leter codes for inf rastru ture o jects (se also an ex C)

Some f aci ties that are common to most a pl cation can b identified These s ould b

as ig ed leter codes ac ordin to clas es A an V to Z of ta le 2

The clas ification of the main faci ties of the proces des rib d is, to a gre t extent, bran h

-related an s ould theref ore b tre ted in bran h- elated stan ard , if req ired Clas es B to U

of ta le 2 are reserved for this purp se If no bran h- elated stan ard exists, clas es B to U

may b f re ly c osen an s al then b explained in the doc mentation

The u e of this clas ification s heme related to p sition in a tre -l ke stru ture s al b

explained in the doc ment where it is a pl ed or in s p ortin doc mentation

Examples f or some p s ible bran h- elated a plcation of clas es B to U are s own in ta le 3

NOT Th leter c d s s own in ta le 3 are n t inte d d to pre crib a y f uture bra c -elate sta d rdiz tio

Th y o ly i u trate th prin iple

Table 2 – Cla s s of inf ra tru ture o jects

Obje ts f or

commo ta ks

A Obje ts relate totwo or more cla s s of

inf ra tru ture o je ts of cla s s B to Z

Su ervis ry c ntrol s stem

V Obje ts f or stora e of material or g o s Finis e g o s store

Fre h-water ta k pla t

Garb g store

Oi ta k pla t

Raw materials store

W Obje ts f or a ministrativ or s cial

Cra e-s stem

Ele tric p wer distrib tio

Fire prote tio s stem

Raiwa sig al s stem

Staf f lo atin s stem

Table 3 – Example f or some p s ible bran h-related ap lcatio s

of cla s s B to U in table 2

distrib tio statio

Cante n

A As re uire in ta le 2 A As re uire in ta le 2 A As re uire in ta le 2

B Catalytic cra kin pla t B In talatio s f or > 2 kV B

C Catalytic ref ormer C In talatio s f or

R Ele tric p wer a d ste m

g n ratin statio

The clas ification s hemes f rom diferent bran hes may b u ed in s bseq ent levels of a

stru ture Examples f or p s ible combination of the a ove examples (without pref i sig s; the

n mb rs are c osen arbitrari y):