Iec 61003 1 2016

A bo t th IEC Th Intern tio al Electrotech ical Commis io IEC is th le ding glo al orga izatio th t pre ares a d publsh s Intern tio al Sta d rds for al electrical electro ic a d relate

Part 1: Methods for e aluating performance

Co yrig t © 2 16 IEC, Ge e a, Switzerlan

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Si v u d sir ez n u d n er d s com e tair es s r cete

publcatio ou si v u a ez d s questio s co tactez-n u :

Part 1: Methods for ev luating performa c

analogiques et sorties à deux ou plusieurs positions –

Warnin ! Mak e sure that y ou o tain d this p blc tio from an auth rize distrib tor

At e tio ! Ve i ez v ous a surer q e v ous av ez o te u cete p blc tio via u distrib te r agré

1 Sc p 7

2 Normativ refere c s 7

3 Terms an d finitio s 8

4 Ge eral c n itio s for te ts 9

4.1 Do ume tary informatio 9

4.1.1 Ge eral refere c d c me ts 9

4.1.2 Cole t data 10 4.2 Ele trical safety 10 4.3 In talatio 10 4.4 Su ply c n itio s 10 5 Ge eral te tin pro e ure an pre autio s 10 5.1 Ch c in of cal bratio mad prior to d l v ry 10 5.2 Set p int 10 5.3 Difere tial gap 1

6 Te t meth d an pro e ure 1

6.1 Te ts u d r refere c c n itio s 1

6.1.1 Switc in ac urac relate factors 1

6.1.2 Mean switc in p int 12

6.1.3 Set p int 12

6.2 Te ts for th efe ts of influ n e q antitie 12

6.2.1 Ambie t temp rature 12

6.2.2 Humidity 13

6.2.3 Vibratio s 13

6.2.4 Sh c , dro an to ple 14

6.2.5 Mo ntin p sitio 14

6.2.6 Ov r-ran e 14

6.2.7 Outp t load efe ts 14

6.2.8 Su ply v ltag an fre u n y variatio s 14

6.2.9 Sh rt erm s p ly v ltag inter u tio s 14

6.2.10 F st tran ie tb rst immu ity re uireme ts 15

6.2.1 Su ply pre s re variatio s 15

6.2.12 Commo mo e interfere c 15

6.2.13 Normal mo e interfere c (s rie mo e) 15

6.2.14 Earthin 15

6.2.15 Mag etic field efe ts 15

6.2.16 Ele tromag etic field 16

6.2.17 Ele tro tatic dis harg (ESD) 16

6.2.1

8

Efe t of o e -circ ite an s ort circ ite in ut 16

6.2.19 Efe t of o e -circ ite an s ort circ ite o tp t 16

6.2.2 Efe t of pro e s me ium temp rature 16

6.2.21 Atmo p eric pre s re efe ts 17

6.2.2 Startu drif 17

6.2.2 Ac elerate o eratio al lfe te t 17

IEC 610 3-1:2 16 © IEC 2 16 – 3 –

6.3.1 Tran ie t re p n e of a two-p sitio o tp t 17

6.3.2 In icatio of th meas re valu 18

6.3.3 Adju table difere tial gap 18

6.3.4 Diele tric stre gth 18

6.3.5 In ulatio re istan e 19

7 Multi-p sitio o tp t 19

7.1 Actio 19

7.2 Te t 19

7.2.1 Characteristic of th multi-p sitio o tp t 19

7.2.2 Mutual influ n e of pairs of switc in p ints 19

7.2.3 Determinatio of switc in ran e 19

8 Ge eral o s rvatio s 19

8.1 Prote tiv finis e 19

8.2 To ls an e uipme t 19

9 Te t re ort an s mmary of te ts 2

10 Partial e aluatio 2

Bibl o rap y 2

Fig re 1 – Actio of two-p sitio o tp t 8

Fig re 2 – Actio of thre -p sitio o tp t 9

T ble 1 – An e ample of a re ort (1 of4) 2

INTERNATIONAL ELECTROTECHNICAL COMMISSION

Part 1: Methods for evaluating performance

FOREWORD

1) Th Intern tio al Electrotech ical Commis io (IEC) is a worldwid orga izatio for sta d rdizatio comprising

al n tio al electrotech ical commite s (IEC Natio al Commite s) Th o ject of IEC is to promote

intern tio al co-o eratio o al questio s co cerning sta d rdizatio in th electrical a d electro ic fields To

this e d a d in a ditio to oth r activities, IEC publsh s Intern tio al Sta d rds, Tech ical Sp cificatio s,

Tech ical Re orts, Publcly Av ia le Sp cificatio s (P S) a d Guid s (h re fer refere to as “IEC

Publcatio (s) Th ir pre aratio is e tru te to tech ical commite s; a y IEC Natio al Commite intereste

in th s bject d alt with may p rticip te in this pre aratory work Intern tio al go ernme tal a d n

n-go ernme tal orga izatio s laising with th IEC also p rticip te in this pre aratio IEC cola orates closely

with th Intern tio al Orga izatio for Sta d rdizatio (ISO) in ac ord nce with co ditio s d termin d by

agre me t b twe n th two orga izatio s

2) Th formal d cisio s or agre me ts of IEC o tech ical matersexpres , as n arlyasp s ible, a intern tio al

co se s s of o inio o th rele a t s bjects since e ch tech ical commite h s re rese tatio from al

intereste IEC Natio al Commite s

3) IEC Publcatio s h v th form of recomme d tio s for intern tio al u e a d are ac e te by IEC Natio al

Commite s in th t se se Whie al re so a le eforts are ma e to e s re th t th tech ical co te t of IEC

Publcatio s is ac urate, IEC ca n t b h ld resp nsible for th way in which th y are u e or for a y

misinterpretatio by a y e d u er

4) In ord r to promote intern tio al uniformity, IEC Natio al Commite s un erta e to a ply IEC Publcatio s

tra sp re tly to th maximum exte t p s ible in th ir n tio al a d regio al publcatio s Any div rge ce

b twe n a y IEC Publcatio a d th coresp n ing n tio al or regio al publcatio sh l b cle rly in icate in

th later

5) IEC itself d es n t pro id a y atestatio of co formity In e e d nt certificatio b dies pro id co formity

as es me t services a d, in some are s, ac es to IEC marks of co formity IEC is n t resp nsible for a y

servicescarie out by in e e d nt certificatio b dies

6) Al u ers sh uld e s re th t th yh v th latest e itio of this publcatio

7) No la i ty sh l atach to IEC or its directors, employe s, serv nts or age ts including in ividual exp rts a d

memb rs of its tech ical commite s a d IEC Natio al Commite s for a y p rso al injury, pro erty d mage or

oth r d mage of a y n ture wh tso v r, wh th r direct or in irect, or for costs (including legal fe s) a d

exp nses arising out of th publcatio , u e of, or rela ce up n, this IEC Publcatio or a y oth r IEC

Publcatio s

8) Ate tio is drawn to th Normativ refere ces cite in this publcatio Use of th refere ce publcatio s is

in isp nsa le for th corect a plcatio of this publcatio

9) Ate tio is drawn to th p s ibi ty th t some of th eleme ts of this IEC Publcatio may b th s bject of

p te t rights IEC sh l n t b h ld resp nsible for id ntifying a y or al s ch p te t rights

Meas reme t an c ntrol d vic s, of IEC te h ical c mmite TC 6 : In u trial-pro e s

meas reme t, c ntrol an automatio

This third e itio can els an re lac s th s c n e itio p bls e in 2 0 This e itio

c n titute a te h ical re isio

This e itio in lu e th folowin sig ificant te h ical c an e with re p ct to th pre io s

e itio :

a) u e of th term “ wo-p sitio o tp t in tead of “ wo-state in trume t (s e 3.2);

b) u e of th term “difere tial gap” in tead of “switc in difere tial” (s e 3.4);

c) u e of “ast tran ie tb rst immu ity re uireme ts” in tead of “p wer s p ly tran ie t

o erv ltag s”, an re isio of th te t meth d (s e 6.2.10);

IEC 610 3-1:2 16 © IEC 2 16 – 5 –

d) d letio of 6.2.12 “c mmo mo e interfere c ” an 6.2.13 “n rmal mo e interfere c

(s rie mo e) ” e ts of th pre io s e itio ;

e) u e of th term “ele tromag etic field” in tead of “radiate ele tromag etic interfere c ”,

th te t meth d remain d th same (s e 6.2.16);

f u e of th term “diele tric stre gth” in tead of “is latio te t , an re isio of th refere c

Ful informatio o th v tin for th ap ro al of this stan ard can b fo n in th re ort o

v tin in icate in th ab v table

This p bl catio has b e drafe in ac ordan e with th ISO/IEC Dire tiv s, Part 2

A l st of al parts of th IEC 610 3 s rie , p bl s e u d r th g n ral title Industrial-p ro es

c ntrol systems – Instrume ts with a alogue in u ts a d two or mu lti-p ositio ou tp uts, can b

Th c mmite has d cid d that th c nte ts of this p bl catio wi remain u c an e u ti

th stabi ty date in icate o th IEC we site u d r "htp:/we store.ie c " in th data

relate to th s e ific p bl catio At this date, th p bl catio wi b

• re o firme ,

• with rawn,

• re lac d b a re is d e itio , or

• ame d d

Th meth d of e aluatio s e ifie in this part of IEC 610 3 are inte d d for u e b

man facturers to d termin th p rforman e of th ir pro u ts an b u ers, or in e e d nt

te tin e tabl s me ts, to v rify th man facturer's p rforman e s e ificatio s

Th te t c n itio s in this stan ard, for e ample th ran e of ambie t temp rature an

p wer s p ly, re re e t th s , whic c mmo ly aris in u e

Th te ts s e ifie in this stan ard are n t n c s ari y s ficie t for in trume ts s e ificaly

d sig e for u u ualy ard o s d tie Co v rs ly, a re tricte s rie of te ts may b

s itable for in trume ts d sig e to p rform within a more l mite ran e of c n itio s

s e ificatio s for th in trume t, wh n th te t pro ram is b in d cid d, an th

man facturer s o ld b in ite to c mme t o b th th te t pro ram an th re ults His

organizatio

IEC 610 3-1:2 16 © IEC 2 16 – 7 –

Part 1: Methods for evaluating performance

This part of IEC 610 3 is ap l cable to p e matic an ele tric in u trial-pro e s in trume ts

or c ntrol d vic u in meas re valu s that are c ntin o s sig als eith r a me hanical

(p sitio , forc , etc.) or a stan ard ele tric sig al

Th s in trume ts or pro e s c ntrol s stems mo ule may b u e as c ntrolers or as

switc e for alarm an oth r simiar p rp s s

Ele tro ic pro u t safety is u s may impact o ly a few pro u ts c v re b this d c me t

Co s q e tly this d c me t d e n t ad re s s c safety is u s

p rforman e e aluatio of in u trial-pro e s in trume ts or pro e s c ntrol s stems mo ule

with analo u meas re valu s an two- or multi-p sitio o tp ts

Co sid ratio s oth r than th p rforman e are lste in Clau e 10

Th folowin d c me ts, in wh le or in part, are n rmativ ly refere c d in this d c me t an

are in is e sable for its ap lcatio For date refere c s, o ly th e itio cite ap l e For

ame dme ts) ap le

<htp:/www.ele tro e ia.org>)

IEC 6 0 0-3 0, Inte rn tio al Ele ctrote h ic l Vo ab u lary – Ele tric l a d ele ctro ic

me sureme ts a d me su ring instrume ts (c mprisin Parts 31 , 312, 313 an 314)

IEC 6 0 0-3 1, Intern tio al Ele trote h ic l Vo ab u lary – Part 351: Control te h ology

IEC 612 8-1:2 0 , Pro es me sureme t a d c ntrol de vice s – G ene ral meth ds a d

p ro edures for evaluating p erorma c – Part 1: G en ral c nsideratio s

IEC 612 8-2:2 0 , Pro es me sureme t a d c ntrol de vic s – G en ral meth ds a d

p ro edures for e valu ating p erorma c – Part 2: Te sts unde r refere c c nditio s

IEC 612 8-3:2 0 , Pro e ss me sureme t a d c ntrol devic s – G e neral meth ds a d

p ro edure s for evalu ating p e rforma c – Part 3: Tests for th efe cts of influen e quantitie s

IEC 612 8-4, Pro es m easureme t a d c ntrol devic s – Gene ral meth ds a d p ro edures

for e valu ating p erorma c – Part 4: Evaluatio rep ort c nte t

3 Terms and definitions

For th p rp s s of this d c me t, th terms an d finitio s giv n in IEC 6 0 0-3 0,

IEC 6 0 0-3 1, IEC 612 8-2 an th folowin ap ly

Actio i u trate in Fig re 1,wh re x is th v lue of th in ut v ria le a d y is th v lue of th output sign l

Th two-p sitio output,h ving o e p ir of switching p ints x

1

a d x

2(x

11

,,

xxy

xxy

1

or y

2

It isy

1

if th last switchingp int cros e byx was x

1

It is y

2

if th last switching p int cros e by x was x

2

A multi-p sitio output h s n p s ible output v lues a d n-1 p irs of switching p ints, (se Fig re 2, a thre

-p sitio output Each p ir of switching p ints may b in estigate by th proce ure giv n for th two-p sitio

m

x

IEC

4 General conditions for tests

4.1 Docume tary informatio

4.1.1 Ge eral refere ce docume ts

For th p rp s of this stan ard, th g n ral te t c n itio s (e.g e viro me tal te t

c n itio s, s p ly c n itio s, load c n itio s, mo ntin p sitio , e ternal y in u e

m

1x

m

2x

2

X

s

2

vibratio s, e ternal me hanical c n traints, an d l v ry of th in trume t s e ifie in

Clau e 6 of IEC 612 8-1:2 0 ap ly, to eth r with Clau e 4 of this part of IEC 610 3

Th g n ral te tin pro e ure an pre autio s, s e ifie in Clau e 7 of IEC 612 8-1:2 0 ,

s al b ap le , to eth r with Clau e 5 of this part of IEC 610 3

IEC 612 8-3 ap ly, to eth r with Clau e 6 of this part of IEC 610 3

4.1.2 Col ect data

c mmis io in , o eratio , ro tin mainte an e an re air of th in trume t A s are parts l st,

to eth r with a re omme datio of th s are parts to b h ld in sto k, s al b s p l e Th

lan uag of write informatio for in tal atio s o ld b primary or ac e te lan uag of th

c u try wh re impleme te

In talatio an u e g id ln s in lu in diagrams, o eratio in tru tio s, s are parts

re uireme ts, an al s e ificatio s s o ld b clearly state

Ad itio al y, an c rtificate in icatin th d gre of intrin ic safety an flame ro fin , etc of

ele trical y p were in trume ts s o ld b lste This informatio s o ld giv d tai s of th

c rtificate n mb rs an th d gre of prote tio pro id d

Pro e ure for in tal atio , ro tin mainte an e an adju tme t, re airs an o erhaul s o ld

b e amin d b th actual p rforman e of th re uire o eratio This s o ld b p rforme

in ac ordan e with th man facturer's in tru tio s, s that an e aluatio of th in tru tio s

can b car ie o t c n ur e tly

4.2 Electric l s fety

Ele tricaly p were in trume ts s o ld b e amin d to d termin th d gre to whic th ir

d sig prote ts th m again t ac id ntal ele tric s o k

4.3 Instal atio

in tru tio s, takin ac o nt of th vario s ap lcatio s whic may b met in practic an

whic re uire difere t pro e ure

Th g n ral te t d s riptio refers to 4.1.7 of IEC 612 8-2:2 0

Th in ut meas re valu x s al b varie slowly at least fiv time in eac dire tio thro g

its e tire ran e By o s rvatio of th o tp t, th valu s of p ints x

2

6.1.1.2 Ina cura y of switching p ints

Th g n ral te t d s riptio refers to 4.1.7.1 of IEC 612 8-2:2 0

Switc in p int inac urac is d termin d b s le tin th greate t p sitiv an n gativ

1

2, of an c cle, from th s t p int w for

in reasin an d creasin in uts

This s o ld b re orte in p rc nt of n minal s an of meas re valu

6.1.1.3 No -re eatabi ty of switching p ints

Th g n ral te t d s riptio refers to 4.1.7.6 of IEC 612 8-2:2 0

No -re eatabi ty s al b c mp te o s rvin th ran e, in p rc nt of n minal s an of

meas re valu , amo g al x

1

2valu s

Th maximum valu , from eith r th x

1ran e or th x

2ran e, is re orte as n n-re eatabi ty

valu of x

2(s e 6.1.1)

Difere tial gap inac urac is d termin d b s le tin th greate t p sitiv an n gativ

d viatio s of an meas re valu of th in ivid al difere tial gap – calc late in eac of th

fiv c cle – from th X

sd

Re ortin this in p rc nt of th n minal s an of meas re valu

6.1.1.5 No -re eatabi ty of dif ere tial gap

No -re eatabi ty s al b c mp te calc latin th difere c s, in p rc nt of th n minal

s an of meas re valu , amo g al in ivid al difere tial gap valu s n te in 6.1.1

Th maximum of th s valu s is re orte as n n-re eatabi ty of difere tial gap

6.1.2 Mean switching p int

2

sd, an th ir ac urac -relate factors, in ac ordan e with th

te t pro e ure in 6.1.1.1, at least for valu s of w of 10 %, 5 % an 9 %, th 5 % valu

b in tak n last

Determin valu s of x

m, in ac ordan e with th te t pro e ure in 6.1.2

Th inac urac of s t p int s tin is d termin d b s le tin th greate t p sitiv an

n gativ d viatio s of an meas re valu of x

mfrom th id al s t p int valu for eac c cle

2

sd, an th ir ac urac -relate factors, in ac ordan e with th

te t pro e ure in 6.1.1.1, an valu s of x

m, in ac ordan e with th te t pro e ure in 6.1.2

Mak this te t, for at least thre valu s of w, ap ro imately e e ly s ac d o er th efe tiv

ran e of adju tme t, th ap ro imately mid-valu b in tak n last

It is n t n c s ary to d termin x

m– w in this cas

6.1.3.3 Set point n t adjustable

Th g n ral te t d s riptio refers to 4.1.7.1 an 4.1.7.6 of IEC 612 8-2:2 0

Determin valu s of x

1, x

2

sd, an th ir ac urac -relate factors, in ac ordan e with th

te t pro e ure in 6.1.1.1, an valu s of x

m, in ac ordan e with th te t pro e ure in 6.1.2

Th inac urac of s t p int s tin is d termin d b s le tin th greate t p sitiv an

n gativ d viatio s of an meas re valu of x

m

man facturer Re ortin that in p rc nt of th n minal s an of meas re valu

For two-p sitio o tp t with n n-s mmetricaly adju table difere tial gap (e.g in trume ts

2– w in tead

of x

m– w s o ld b tak n into ac o nt

6.2 Tests for th ef ects of influ nce quantities

6.2.1 Ambie t temperature

IEC 610 3-1:2 16 © IEC 2 16 – 13 –

Th c an e in switc in p ints s al b d termin d at eac te t temp rature s e ifie in 5.2

of IEC 612 8-3:2 0 For e ample: +2 °C (refere c ), +4 °C, +5 °C, +2 °C, 0 °C, –2 °C,

+2 °C Afer th first c cle, a s c n temp rature c cle, id ntical to th first, s al b

p rforme with ut readju tme t of th in trume t

For in trume ts with a p e matic o tp t th air s p ly temp rature s al b th same as th

in trume t temp rature

6.2.2 Humidity

Th te t s al b p rforme for ele trical in trume ts o ly

IEC 612 8-3:2 0 , to eth r with what is state b low

Afer th stabi zatio at th refere c relativ h midity an temp rature, a s t of refere c

meas reme ts s al b tak n

Th p wer s p ly to th in trume t s al b switc e of an th relativ h midity s al b

in reas d as s e ifie in Clau e 6 of IEC 612 8-3:2 0

Th in trume t s al b switc e o for th final 4 h of th p rio in stable c n itio s an th

c an e in switc in p ints s al b meas re imme iately afer this p rio

As s e ifie in Clau e 6 of IEC 612 8-3:2 0 , th relativ h midity s al b re u e to th

original refere c valu an , afer stabi zatio , th efe t of this te t o th switc in p ints

s al b d termin d

Afer this te t, a vis al in p ctio s al b c n u te to c e k for efe ts of flas o er,

ac umulatio of c n e satio , d terioratio of c mp n nts

6.2.3 Vibratio s

Th g n ral te t d s riptio refers to Clau e 7 of IEC 612 8-3:2 0 , to eth r with th

folowin ad itio al re uireme ts

c an e in th switc in p ints or s urio s o eratio s c as c ntact b u c

In ord r to meas re th ef e t of vibratio s o th switc in b havio r, th swe pin s al

b p rforme with th meas re variable in ut s t ab v th switc in p int x

2, or b low

th switc in p int x

1

to a distan e that is twic th valu of th difere tial gap X

sd, b t

n t le s than 1 % of n minal s an of meas re valu

difere c b twe n meas re valu in ut an switc in p int (at 0 Hz) u ti n switc in

is in u e b vibratio

Th larg st dif ere c an th fre u n y, at whic th last switc in o c re , are to b

n te

Th in trume t s al b s bje te to vibratio for 3 min in eac of thre mutualy

p rp n ic lar plan s, o e of whic s al b th v rtical dire tio In eac plan , th te t

s al b ru at that fre u n y whic re ulte in th larg st me hanical re o an e d rin

th initial re o an e s arc , or if a re o an e was n t d te te , th vibratio fre u n y

s al b swe t c ntin o sly thro g th wh le fre u n y ran e b in c n id re

c) Final re o an e s arc 7.4 of IEC 612 8-3:2 0

Th re o an e fre u n ie , an th fre u n ie , whic cau e sig ificant c an e in th

b c mpare Difere c can b cau e b n n-elastic d formatio , whic may lead to th

originatio of crac s in th me hanical c n tru tio

d) Final meas reme t 7.5 of IEC 612 8-3:2 0

Th satisfactory me hanical c n itio of th in trume t s al b v rifie at th e d of th

te t An c an e of switc in p ints s al b n te If th in trume t has a me hanical s t

p int, d termin wh th r vibratio has s ife th s t p int

IEC 612 8-3:2 0 , to eth r with what is state b low

Before th te t, a refere c meas reme t of switc in p ints s al b re ord d

Afer th te t, an c an e in switc in p ints s al b re ord d

6.2.5 Mo ntin p sition

Th g n ral te t d s riptio refers to Clau e 9 of IEC 612 8-3:2 0

Th c an e in switc in p ints cau e b ±10° in lnatio s from th refere c p sitio of th

in trume t s al b d termin d

6.2.6 Ov r-rang

This te t s al b p rforme ac ordin to th meth d an pro e ure state in Clau e 10 of

IEC 612 8-3:2 0 , to eth r with what is state b low

Un er refere c c n itio s, with s t p int at 5 % (if p s ible), s t th meas re valu sig al

to 5 % o erload (i.e to a valu e ual to 15 % of u p r ran e valu s) for 1 min Th

switc in p ints s al b meas re For in trume ts u in ele ate z ro sig als (e.g 0,2 bar

to 1,0 bar, 4 mA to 2 mA), th te t s al b re eate with meas re valu sig als s t to 0

(actual z ro, n t lower ran e valu s)

6.2.7 Outp t load ef ects

Th efe t of th load o th in trume t b in c an e in switc in p int is d termin d b

c an in th valu of th e erg s urc (v ltag , pre s re, etc.) an c an in th load of th

in trume t within th p rmis ible lmits Combinatio s of valu s are to b s le te , whic

pro id th larg st an smale t loadin for th switc

6.2.8 Su ply v ltage and fre u ncy variations

This te t s al b p rforme o in trume ts with ele trical p wer s p ly for internal

o eratio s

Th efe t o switc in p ints of th variatio s in th ele trical p wer s p ly, in icate in

12.1 of IEC 612 8-3:2 0 , s al b meas re , th load imp dan e b in as s e ifie in 6.3 of

IEC 612 8-1:2 0

6.2.9 Sh rt term sup ly v ltag inter uptio s

Th te t s al b p rforme as in 12.4 of IEC 612 8-3:2 0 , with th folowin ad itio al

pro e ure

Th s t p int wi b s t to a valu as s e ifie in a) of 6.2.3

IEC 610 3-1:2 16 © IEC 2 16 – 15 –

-e ergiz d

An s urio s o eratio s s c as c ntact b u c s al b n te

In ord r to as e s th re eatabi ty of th s re ults, this te t s al b re eate 10 time , th

p rio b twe n two te ts b in at least e ual to 10 time th d ratio of th interu tio

6.2.10 Fa t transie t b rst immu ity re uireme ts

IEC 612 8-3:2 0 , to eth r with what is state b low

Before th te t, a refere c meas reme t of switc in p ints s al b re ord d

IEC 612 8-3:2 0 , to eth r with what is state b low

This te t is ap lcable o ly to in trume ts with ele trical in uts an o tp ts whic are is late

from earth

Th te t s al b carie o t b meas reme t of th stead p sitio c an e of th switc in

p ints cau e b earthin eac in ut an o tp t terminal in turn

An tran ie t c an e s al b n te

6.2.15 Mag etic field ef ects

Th te t s al b carie o t b meas reme t of th stead p sitio c an e of th switc in

p ints cau e b th ap l e mag etic field s e ifie in Clau e 15 of IEC 612 8-3:2 0

_ _ _ _ _ _

1

This p rt of IEC 610 3 is a old Intern tio al Sta d rd a d it is refere to in ma y d c me ts In ord r n t to

mo ify th se d c me ts, th numb ring of s bclau es in this p rt of IEC 610 3 remains unch nge alth u h

some s bclau es (6.2.12 a d 6.2.13) d n t a ply a ymore

6.2.16 Electromag etic field

This te t s al b p rforme ac ordin to th meth d an pro e ure state in Clau e 16 of

IEC 612 8-3:2 0 , to eth r with what is state b low

Th stead p sitio c an e of th switc in p ints as:

a) a c n iste t meas rable c an e,

b) as a ran om c an e, n t re eatable, an p s ibly furth r clas ifie as a tran ie t efe t

o c r in d rin th ap lcatio of th ele tromag etic field an as a p rman nt or s mi

-p rman nt field afer th ap lcatio of th ele tromag etic field,

An damag to th in trume t, re ultin from th ap lcatio of th ele tromag etic field,

6.2.17 Electrostatic dis harge (ESD)

This te t s al b p rforme ac ordin to th meth d an pro e ure state in Clau e 17 of

IEC 612 8-3:2 0 , to eth r with what is state b low

lastin afer th ap lcatio of th ESD;

b) an damag to th in trume t re ultin from th ap l catio of th ESD

6.2.18 Ef ect of op n-circuite an sh rt circuite in ut

This te t s al b p rforme ac ordin to th meth d an pro e ure state in Clau e 18 of

IEC 612 8-3:2 0

Th c an e in switc in p ints d rin th te t an th ultimate stead p sitio c an e s al

6.2.19 Ef ect of op n-circuite an sh rt circuite output

This te t s al b p rforme ac ordin to th meth d an pro e ure state in Clau e 19 of

temp rature in fo r e ual intervals, s al b meas re an re orte

IEC 610 3-1:2 16 © IEC 2 16 – 17 –

6.2.21 Atmosp eric pres ure ef ects

This te t s al b p rforme ac ordin to th meth d an pro e ure state in Clau e 21 of

IEC 612 8-3:2 0

6.2.2 Start up drif

Th g n ral te t d s riptio refers to 7.1 of IEC 612 8-2:2 0

Th in trume t s al b maintain d at least 12 h with th p wer s p ly switc e of an n

in ut ap le

With th s t p int valu w s t to ap ro imately 5 % (if p s ible), th p wer s p ly (an

5 min an 1 h

6.2.2 Ac elerate op ratio al l fe test

This te t s al b p rforme ac ordin to th meth d an pro e ure state in Clau e 2 of

IEC 612 8-3:2 0 , to eth r with what is state b low

Th in trume t s al b c n e te as for n rmal o eratio A c clc in ut sig al s al b

ap l e with p ak- o-p ak ampltu e s ficie t to actuate th switc in p ints in turn Th

fre u n y s al b s c that pro er switc in o c rs Th o tp t s al b load d to th

maximum ratin s e ifie b th man facturer

Unle s oth rwis agre d with th man facturer, th in trume t s al b s bje t to 10 0 0

in ut sig al c cle Afer th te t, an c an e in switc in p ints s al b meas re

If ap lcable, th c ntact re istan e b fore an afer th te t s al b meas re

6.3 Other tests

6.3.1 Transie t resp nse of a two-p sitio o tp t

Wh n th meas re valu cro s s a switc in p int, it is p s ible that th c r e p n in

c an e of o tp t is d lay d This d lay is d termin d b ste re p n e meas reme t Th

mag itu e of th c an e of meas re valu s al b s le te to e s re that switc in o c rs

with e ery c an e, i.e th valu of c an e s al b larg r than th switc in difere c

Difere t meas re valu c an e may giv difere t re ults th s givin an in icatio of n n

-ln arity

With s me in trume ts, e.g in trume ts o eratin b me hanical l n ag s etc multiple

switc in can o c r with c rtain ste c an e This can b e p cte mainly wh n th e d

meas re valu d viate o ly sl g tly from th c r e p n in switc in p int

To mak th meas reme t, in reas th meas re valu s d e ly from 0% of its ran e to

Ev ry d viatio of th o tp t from a p re ste fu ctio s al b n te

This te t s al b p rforme for eac switc in p int at maximum s e ifie load

6.3.2 Indic tion of th mea ure value

If th in trume t in lu e an in icatio of th meas re valu , its in icatio ac urac s al b

d termin d at fiv p ints ap ro imately e e ly s ac d o er th ran e, with th switc in

p int s t to a valu o tsid th ran e, if p s ible

An interactio b twe n th switc in p int adju ter or in icator an th meas re valu

in icator s al b in e tigate partic larly wh n th meas re valu is clo e to th switc in

c) o ly th s p wer s p le , whic d n t dire tly s rv to g n rate th o tp t sig al y are

switc e o (as far as p s ible)

Re ord th c an e in th meas re valu in icate

6.3.3 Adjustable dif ere tial gap

Wh re th difere tial gap is adju table, its mag itu e s al b d termin d at th maximum

an minimum s ale valu or, in cas s wh re n s ale is pro id d, at th maximum an

minimum of th efe tiv ran e of adju tme t

Wh re th s t p int is adju table, this te t s al b carie o t with th s t p int at mid s ale

Re olutio of difere tial gap adju tme t, if an , s al b d termin d

It is re omme d d to re eat th meas reme ts at th e treme valu s of adju tme t ran e to

e aluate re eatabi ty of th switc in p ints

6.3.4 Dielectric stre gth

IEC 612 8-2:2 0 , to eth r with th ad itio al informatio b low

Te t s al b p rforme with a te t v ltag of s b tantialy sin s idal wav form, its fre u n y

b in that of th p wer s p ly u e b th in trume t

earth

Th n -load v ltag of th te tin ap aratu s al b initial y s t to z ro te t v ltag an th n

c n e te to th in trume t u d r te t Th tran former u e for this te t s al hav a

capacity of at least 5 0 VA

Th te t v ltag s al b rais d grad aly to th valu d termin d in ac ordan e to criteria

s e ifie in 6.3.3 of IEC 612 8-2:2 0 , s that n ap re iable tran ie t o erv ltag o c rs

Th te t v ltag s al b maintain d at its maximum valu for 1 min It s al th n b grad aly

re u e to z ro

IEC 610 3-1:2 16 © IEC 2 16 – 19 –

6.3.5 Insulation resistance

IEC 612 8-2:2 0 , to eth r with what is state b low

Th in ulatio re istan e, b twe n eac p wer s p ly terminal an earth, s al b meas re

Unle s th man facturer s e ifie a lower valu , this meas reme t s al b mad u in a

dire t v ltag of 5 0 V In th s cas s wh re th in trume t o tp t terminals are is late

from earth, th in ulatio re istan e to earth s al b meas re at th maximum v ltag

s e ifie b th man facturer

7 Multi-position output

7.1 Actio

Fig re 2 s ows th actio of a simple multi-p sitio o tp t, th thre -p sitio o tp t

7.2 Test

7.2.1 Chara teristic of the multi-p sitio o tp t

Te ts are car ie o t o eac pair of switc in p ints as for th pair of switc in p ints o a

two-p sitio o tp t For eac pair of switc in p ints th valu s e uivale t to x

1

2are

d termin d, from whic are calc late X

sd, x

m

an , wh re ap ro riate, x

m– w

7.2.2 Mutual influe ce of pairs of switching points

With in e e d ntly adju table pairs of switc in p ints, th e te t, to whic eac adju table

pair of switc in p ints influ n e th p sitio of th oth rs, wi b d termin d

Set o e pair of switc in p ints at 5 % of its adju tme t ran e Vary th s tin of th

switc in p int for eac of th oth r pairs an meas re th switc in p ints of th first pair at

eac variatio Th larg st influ n e o s rv d d rin this pro e ure is to b state for eac

pair of switc in p ints, to eth r with th adju tme t ran e

It is re omme d d that th meas reme ts b re eate at th e treme valu of th adju tme t

ran e for eac of th pairs of switc in p ints b in e amin d

7.2.3 Determination of switchin ran e

In in trume ts with jointly adju table pairs of switc in p ints, th s are to b adju te to at

least thre valu s (smal e t, larg st, an a me ium valu ) of th ir adju tme t ran e For eac

of th s adju tme ts th switc in ran e an /or partial switc in ran e are to b d termin d

8 General obs rvations

9 Test report and s mmary of te ts

A c mplete te t re ort of th e aluatio s al b pre are in ac ordan e with IEC 612 8-4

afer c mpletin al th te ts

Al th original d c me tatio , relate to th meas reme ts mad d rin th te ts, s al b

store b th te t lab ratory for at least two y ars, afer th re ort is is u d

T ble 1 s ows an e ample of a s mmary of te ts an th re ults an informatio to b

from th set p int w for incre sing a d d cre sing

in uts sh l b re orte asswitching p int

X

s

Th gre test p sitiv a d n gativ d viatio s of

a y me s re v lue of th in ividual difere tial

ga s – calc late in e ch of th fiv c cles – from

Th maximum of th difere ces, amo g al

in ividual difere tial ga v luesn te in No.1 of

6.1.1.1) sh l b r ep rte as me n sw itching p int x

fr om th id al setp int v lue for

e ch cy cle a d for e ch setp int sh l b r ep r te as

in c ur ac of set p int seting

2and X

s, a d th ir ac ur ac -r elate

factor s a d v lues of x

m, sh l b r ep r te

2and X

s, a d th ir ac urac -relate

factor s a d v lues of x

m, sh l b r ep r te

Res lts of vis al insp ctio ,co du te afer th

test,to ch ck for efectsof flash v r, ac umulatio

of co d nsatio , d terioratio of comp n nts, sh l

b re orte

During th thre distinct stages of this test th

folowing v lues sh l b re orte :

a) Initial reso a ce se rch

During th fre ue c swe ping, fre ue cies

sh l b n te , which cau e significa t ch nges

in th switching p ints or spuriou o eratio

s ch asco tact b unce

Wh n, during th swe ping, switching oc urs,

th largest difere ce b twe n me s re v lue

in ut a d switching p int, at which th last

switching oc ure , are to b n te (se 6.2.3

a)

b) En ura ce co ditio ing by swe ping

Th t fre ue c , which res lte in th largest

mech nical reso a ce during th initial

reso a ce se rch, sh l b re orte , or, if a

reso a ce was n t d tecte , th fact sh l b

n te

c) Fin l reso a ce se rch

Th reso a ce fre ue cies, a d th

fre ue cies, which cau e significa t ch nges in

th switching p ints, foun in th initial

reso a ce se rch a d th fin l reso a ce

se rch sh l b comp re a d n te

d) Fin l me s reme t

Th satisfactory mech nical co ditio of th

instrume t sh l b v rifie at th e d of th

test a d re orte Any ch nge of switching

p ints sh l b n te If th instrume t h s a

mech nical set p int,d termin a d n te

wh th r vibratio h s shife th set p int

Before th test, a refere ce me s reme t of

switching p ints sh l b record d

Afer th test,a y ch nge in switching p intssh l

Th efect o th instrume t of sh rt erm s p ly

v ltage interuptio s sh l b n te

Any spuriou o eratio s s ch as co tact b unce

Th efect o switching p ints sh l b re orte

If th ma ufacturer's sp cifie lmits are les th n

th prefere test v lues, this fact sh uld b

re orte with th test res lts

th ste dyp sitio ch nge of th switchingp ints

cau e by e rthing e ch in ut a d output termin l

electromagn tic field a d asa p rma e t or

semi-p rma e t field afer th a plcatio of th

electromagn tic field,

sh l b me s re a d re orte

Any d mage to th instrume t, res lting from th

a plcatio of th electromagn tic field, sh l b

Th records may sh w, for example

a) th efect of E D o th switching p ints:

1) as a co siste t me s ra le efect,

2) as a ra d m efect, n t re e ta le a d

p s ibly furth r clas ifie as a tra sie t

efect oc uring during th a plcatio of

Th ste dy p sitio ch nges in switchingp ints,

which res lt from ch nges in fluid temp rature,

se ue ce of th o serv d switching, as wel asth

set p int a d th me s re v lue at which th se

Th me s re ins latio resista ce b twe n e ch

p wer s p ly termin l a d e rth sh l b re orte

10 Partial e aluation

Wh n a ful e aluatio in ac ordan e with this stan ard is n t re uire , th te ts whic are

re uire s al b p rforme an th re ults re orte in ac ordan e with th s b lau e of this

stan ard whic are rele ant

Th te tin pro ram s o ld b s bje t to agre me t b twe n man facturer an p rc as r or

te tin organizatio , d p n in o th nature an th e te t of th e uipme t d alt with

Biblography

IEC 613 6-1:2 12, Ele ctric l e quipme t for me su reme nt, c ntrol a d lab oratory use – EMC

requ ireme ts – Part 1: G en ral requ ireme ts

_ _ _ _ _ _