Reference number ISO 7240 1 8 2009(E) © ISO 2009 INTERNATIONAL STANDARD ISO 7240 1 8 First edition 2009 1 1 01 Fire detection and alarm systems — Part 1 8 Input/output devices Systèmes de détection et[.]
Trang 1Input /output devices
Sys tème de détectio et d'alarme d'ncendie—
Partie 18: Dis po s itifs d'e tré /s o rtie
Trang 2PDF dis laimer
This P F fie ma c nt ain emb d e t y pefa e In ac cord n e with Ado e's lc n in p lcy , t his fie ma b print ed or v iewe b t
s al n t b e ite u le s t he typefa e whic are emb d e are lc n e to a d in t ale o th c mp ter p rormin th e itin In
d wnlo din t his fie, p rtie ac c ept t herein t he re p n ibit y of n t infin in Ado e's lc n in p lcy Th ISO Ce t ral Se ret ariat
a c pts n la it y in t his are
A do e is a t ra emark of A do e Sy t ems In orp rat ed
Det ais of t he s ft ware pro u t s u e t o cre te this P F fie c n b fo n in th Ge eral Info relativ e to t he fie; th P F-cre t io
p ramet ers were o timiz d for print in Ev ery are h s b e t ak n to e s re th t h fie is s it able for u e b ISO memb r b die In
th u lk ly ev ent t hat a pro lem relatin to it is fo n , ple s inform t he Ce t ral Se retariat at t he a dre s giv en b low
© ISO 2 0
A ll rig ts re erv ed Unle s ot herwis s e ifie , n p rt of this p blc t io ma b re ro u e or uti z ed in a y form or b a y me n ,
ele t ro ic or me h nic l in lu in p ot oc py in a d microfim, wit ho t p rmis io in writ in fom eith r ISO at t he a dre s b low or
ISO's memb r b d in t he c u t ry of t he re u st er
Trang 3Cont ent s Page
Foreword iv
Introd c on
vi 1 Sco e 1
2 Norma v refere c s .1
3 Terms a d d finit ion 2
3.1 Terms 2
3.2 Ab reviat ed t erms 2
4 R equireme t s 2
4 1 Compla c 2
4 2 Monit orin of deta h ble d vic s .2
4 3 Mark in a d d t a 3
4 4 Doc me ta on 3
4 5 R equireme t s for soft ware cont role d vic s .3
5 Te t s
5 5.1 Ge eral 5
5.2 Performa c a d v ria on in s p ly paramet ers 7
5.3 Dry h at opera onal) 7
5.4 Cold (o era on l) .8
5.5 Damp h a cy c lic (o eration l) 9
5.6 Damp h a st ea y st at e (e d ra c ) 10 5.7 Sulfur diox id (SO 2 ) corosion (e d ra c ) .10 5.8 Shoc (opera onal) 1
5.9 Impa t o era on l) .12
5.10 Vibra on, sin soid l (o era on l) .13
5.1 Vibra on, sin soid l (e dura c ) 14
5.12 Ele troma n t ic compa bi ty (EMC) immunity t est s 15
6 Te t report 16
Trang 4Foreword
ISO ( he International Organization for St an ardizat ion) is a w orldw ide federat ion of national st an ard b dies
(ISO memb r b dies) The work of pre a n Internat ional St an ard is normaly caried out t hr ou h ISO
t ec nical commit t ees Eac memb r b d interest ed in a s bject for whic a tec nical commit t ee has b en
est abls ed has t he r ig t o b re resented on t hat commit t ee Int ernat ional organization , government al an
non-gov er nment al, in laison with ISO, also t ake p rt in the work ISO cola orat es closely w it h the
Int ernat ional Elect rotec nical Commis ion (IEC) on al mat t ers of elect rot ec nical st an ardizat ion
Int ernat ional St an ard are draft ed in ac ordan e wit h t he rules given in the ISO/IEC Direct iv es, Part 2
The main t as of t ec nical commit t ees is t o pre are Int ernat ional St an ard Dr aft Int ernat ional Stan ard
ado t ed by the t ec nical commit t ees are circ lated t o t he memb r b dies for v otin Publcat ion as an
Int ernat ional St an ard req ires a pr oval by at le st 7 % of t he memb r b dies cast in a vot e
At t ent ion is draw n to t he p s ibi ty that some of t he element s of t his doc ment may b t he s bject of p t ent
rig t s ISO s al not b held resp n ible for ident ifyin an or al s c p tent r ig ts
ISO 7 4 -18 w as pre ared by Tec nical Commit t ee ISO/TC 21, Eq ipme t for fire pro tectio a d fire fig hting,
Subcommit t ee SC 3, Fire detectio a d alarm s ys tems
ISO 7 4 con ist s of t he folow in p rt s, u der the general tit le Fire detectio a d alarm s ys tems :
⎯ Part 1: Ge eral a d definitio ns
⎯ Part 2 : Co tro l a d indicatin eq uipme t
⎯ Part 3 : Audible alarm de ic es
⎯ Part 4: Power s upp ly eq u ipme t
⎯ Part 5: Po int-ty e h at detectors
⎯ Part 6: Carbo n mo no ide fire detectors us in electro- chemical cels
⎯ Part 7: Point- ty e s mo e detectors us in s catered lg ht, tra smited lg t or io iz tio
⎯ Part 8: Carb n mo o xide fire detecto rs us in a electro- chemical cel in combin tio with a h at s ens or
⎯ Part 9: Tes t fire for fire detectors [ Tec nical Sp cification]
⎯ Part 10: Point-typ e flame detectors
⎯ Part 1 : Ma u al cal p ints
⎯ Part 12: Lin ty e s mo e detecto rs us in a tra s mited o ptical b am
⎯ Part 13: C omp tibi ty as s es s me t ofs ys tem co mp n nts
⎯ Part 14 : Guideln s fo r draftin co de o fpractice fo r des ig , ins talatio a d us e offire detectio a d fire
alarm s ystems in a d arou nd b idin s [Tec nical Re ort ]
Trang 5⎯ Part 15: Point typ e fire detecto rs usin s catered lg t, tra s mited lg t or io niz tio n s ens ors in
combin tio with a h at s ens or
⎯ Part 16: Sou nd s ys tem contro l a d indicatin eq uipme t
⎯ Part 17: Short-circuit is olators
⎯ Part 18: Inp ut/o utp t de ices
⎯ Part 19 : Desig , instalatio , c mmiss io in a d service ofsou d sys tems fo r emerg n y p rp ses
⎯ Part 2 0: As p iratin s mo e detectors
⎯ Part 21: R outin eq u ipme t
⎯ Part 2 2: Smo e- detectio n eq uipme t for ducts
⎯ Part 2 4 : Sou nd s ystem lou ds pe k rs
⎯ Part 25: C omp n nts us in radio tra s mis s io n p th
⎯ Part 2 7: Point-ty e fire detecto rs us in a s catered-lg ht, tra s mited ig t o r io iz tio s mo e s ens o r, a
electrochemical- cel carb n- mo o xide s ens or a d h at s ens or
⎯ Part 28: Fire protectio co ntrol eq uip me t
A p rt 2 de ln w it h vis al alarm dev ices is u der pre arat ion
Trang 6Int roduct ion
This p rt of ISO 7 4 is b sed on a Euro e n st an ar d, EN 5 -18, pre ared by the Euro e n Commit t ee for
st an ardizat ion CEN/TC 7 “Fire detectio a d fire alarm s ys tems ”
The t erm input /out put devices, u ed in t his p rt of ISO 7 4 , covers a w ide ran e of diferent yp s of dev ices
t hat are int en ed for diferent a plcation an can, therefore, have diferent fu ct ion This p rt of ISO 7 4
do s not , therefore, in lu e det aied fu ct ional req ir ement s for t he input/output devices but r eq ires t hat t heir
fu ct ion is s ficiently sp cified by the man fact urer an that they fu ct ion corect ly in ac ordan e w it h t he
man fact urer’s sp cificat ion
Trang 7Fire det ect ion and alarm sy st ems —
Part 18:
Input /output devices
This p rt of ISO 7 4 sp cifies req irement s, t est met hod an p rorman e crit eria for input/output dev ices
con ect ed t o a t ran mis ion p t h of a fire det ect ion an alarm s st em u ed t o receive an /or t ran mit sig als
t o or fom t he t ran mis ion p t h, neces ar y for t he o erat ion of t he fire detect ion an fire alarm s st em an /or
fire prot ect ion s stem
An input/output device can b a ph sicaly se arate dev ice or it s fu ct ion can b int egrat ed int o another
device, in w hic case t his p rt of ISO 7 4 can b u ed t o as es t his fu ct ion
An input / ut put dev ice can in lu e sig al amplfiers an sig al t ran fer in se arate en los r es, in w hic case
t he req irement s of t his p rt of ISO 7 4 s al a ply
Cont rol an in icatin eq ipment an an i ar y cont rol an in icat in eq ipment e.g re e t er p nels an fire
brigade p nels) are not covered by this p rt of ISO 7 4
The folowin referen ed doc ment s are in isp n a le for t he a plcat ion of t his doc men F r dated
referen es, only the edit ion cit ed a ples F r u dat ed referen es, t he lat est edition of t he referen ed
doc ment in lu in an amen ment s) a ples
ISO 7 4 -1, Fire dete tio a d alarm sys tems — Part 1: Ge eral a d definitio s
IEC 6 0 8-1, En iro me tal tes tin — Part 1: Ge eral a d g uida ce
IEC 6 0 8-2-1, En iro me tal tes tin — Part 2- 1: Tes ts — Tes t A: Cold
IEC 6 0 8-2-2, En iro me tal tes tin — Part 2-2: Tes ts — Tes t B : D ry h at
IEC 6 0 8-2-6, En iro me tal tes tin — Part 2-6: Tes ts — Tes t Fc: Vibratio (s in s oidal
IEC 6 0 8-2-2 , En iro me tal tes tin — Part 2- 2 7: Tes ts Tes t Ea a d gu ida ce: Sh ck
IEC 6 0 8-2-3 , En iro me tal tes tin — Part 2- 3 0: Tes ts — Tes t D b: D amp h at, cyclic (12 h + 12 h cycle)
IEC 6 0 8-2-4 , En iro nme tal tes tin — Part 2- 42: Tes ts — Tes t Kc: Su lp hur dio ide tes t for contacts a d
con ectio s
IEC 6 0 8-2-7 :19 7, En iro nme tal tes tin — Part 2- 75: Tes ts — Tes t Eh: Hammer tes ts
IEC 6 0 8-2-7 , En iro me tal tes tin — Part 2- 78: Tes ts — Tes t Ca : D amp h at, s te dy s tate
Trang 8EN 5 13 -4:19 5, Alarm s ys tems — Part 4 : Electromag netic comp tibi ty — Product famiy s ta dard:
Immu nity req uireme ts for comp on nts offire, intruder a d s ocial alarm s ys tems (includin ame dme ts
EN 5 13 -4:19 5/ A1:19 8 an EN 5 13 -4:19 5/A2:2 0 )
3 Terms and definit ions
F r t he purp ses of t his doc men t he t erms an definition giv en in ISO 7 4 -1 an t he folow in a ply
device con ect ed t o a t ran mis ion p t h of a fire det ect ion an fire alarm s st em, u ed t o receiv e an /or
t ran mit sig als neces ar y for t he o er at ion of t he fire det ection an fire alarm s st em
c.i.e cont rol an in icatin eq ipment
EMC elect romag etic comp t ibi ty
In order to comply with t his p rt of ISO 7 4 , t he input / out put devices s al me t t he req irement s of Clau e 4,
w hic s al b verified by in p ct ion an en ine r in as es men an s al b t est ed as des rib d in
Clau e 5 an s al me t t he req irement s of t he t est s
F r input /out put devices integrat ed int o anot her dev ice t hat is alre d cov ered by an ex istin p rt of ISO 7 4 ,
t he en ironment al con itionin s al b p rormed in ac ordan e w it h t hat p rt of ISO 7 4 , w it h the ad ition
of t he fu ct ional test s b fore, d r in an /or aft er con itionin , as req ired in t his p rt of ISO 7 4 In some
det ect or st an ard , t he dr y he t (o erational) test is con u t ed in sp cial t est eq ipment (e.g in the he t
t un el for he t det ect ors) The req ired fu ct ional t est in of t he integrat ed input / out put device b fore, d rin
an aft er the dry he t con it ionin may b done w it h this eq ipmen if t his is p s ible without disruptin the
det ect or me s rement s Other wise, a se arate dr y he t t es wit h t he same con it ionin , s al b con u t ed
F r he t detect ors, t he t est t emp rat ure is t he max imum a plcat ion temp rat ure
4 2 Monitoring of deta ha le devic s
If an input / output dev ice is det ac a le (i.e it is a ac ed t o a detac a le mou tin b se), t hen a me n s al
b prov ided for a remot e monit orin s st em (e.g t he cont rol an in icat in eq ipment ) t o det ect t he removal
of t he device fom t he b se, in order to give a fault sig al
Trang 94 3 Marking a d data
4.3.1 Mark in
Eac input / ut put device s al b c le rly marked wit h t he folowin information:
a) t he n mb r of t his p rt of ISO 7 4 (i.e ISO 7 4 -18),
b) t he name or t rademark of the man fact urer or s p le
c) t he model desig ation ( yp or n mb r),
d) t he w irin t erminal desig ation ,
e) some mark (s) or code(s) (e.g a serial n mb r or b t ch code), by w hic the man fact urer can identify, at
le s t he dat e or b t ch an place of man fact ure, an t he v ersion n mb r(s) of an soft w are, cont ained
w it hin the dev ice
F r detac a le dev ic es, the he d s al b mark ed wit h a), b), c ) an e), an t he b se s al b mark ed with at
le st c ), i.e its own model desig at ion, an d)
Where an mark in on t he device u es s mb ls or a breviat ion not in c ommon u e, t hen t hese s al b
explained in t he dat a s p led with the dev ic e
The mark in s al b v isible d rin in talat ion an s al b ac c es ible d rin maint enanc e
The mark in s s al not b plac ed on sc rews or ot her e siy removable p rts
4.3.2 Data
Inputoutput devices s al b s p led w it h s ficient t ec nical, in t alation an maint enan e dat a to en ur e
t heir corect in talation an o erat ion These dat a s al in lu e the p ramet ers neces ar y t o define the input
an / or out put fu ct ion , e.g out put v olt age an c rent rat in s, alarm an fault t rip lev els, logic lev els If al of
t hese dat a are not s p led w it h e c dev ice, t hen referen e t o t he a pro riat e dat a s e t (s) s al b giv en on,
or wit h, e c device To ena le corect o eration of t he input / output device, t hese dat a s al des rib t he
req irement s for t he corect proces in of t he sig als fom t he device This can b in the form of a ful
t ec nical sp cificat ion of these sig als, a referen e t o t he a pro r i t e sig al n protocol or a referen e to
s it able typ s of c.i.e et c
4 4 Doc me ta on
The man fact urer s al pre are an provide desig doc ment at ion (e.g draw in s, p rt s lst s, bloc diagrams,
circ it diagrams).Where a pro riat e, this s al in lu e doc ment at ion of t he sig al proces in prin iple
4 5 Requireme ts for soft ware control e devic s
4.5.1 Ge eral
F r input / out put dev ices t hat rely on soft w are cont rol in order t o fulfi t he req irement s of t his p rt of ISO 7 4 ,
t he req irement s of 4.5.2, 4.5.3 an 4.5.4 s al b met
Trang 104.5.2 Sofware doc me ta on
4.5.2.1 The man fact urer s al pre are doc ment at ion that giv es an ov erview of t he soft ware desig
This s al b s bmit t ed t o t he t est in aut hority together w it h the inputoutput devices This doc ment at ion
s al b in s ficient det ai so t hat the desig can b in p ct ed for complan e w it h t his p rt of ISO 7 4 an
s al in lu e at le st t he folowin :
a) fu ct ional des ript ion of t he main program flow (e.g as a flow diagram or st ru t ogram) in lu in
1) a brief des ript ion of t he mod les an t he fu ct ion t hat t hey p rorm,
2) t he w ay in w hic t he mod les interac
3) t he overal hierarc y of t he program,
4) t he w ay in w hic t he soft ware interact s with t he hardw are of t he device,
5) t he w ay in w hic t he mod les are caled, in lu in an interupt proces in ;
b) des ript ion of whic are s of memor y are u ed for the variou purp ses, e.g t he program, sit e sp cific
dat a an ru nin data;
c) desig ation by w hic t he soft ware an it s v ersion can b u iq ely identified
4.5.2.2 The man fact urer s al pre are an maint ain det aied desig doc ment at ion This s al b
av aia le for in p ct ion in a man er t hat resp ct s t he man fact urer's rig t s for confidentialty It s al comprise
at le st t he folowin :
a) ov er v iew of t he whole s st em config rat ion, in lu in al software an hardw are comp nent s;
b) des ript ion of e c mod le of t he progr am, cont ainin at le st
1) t he name of t he mod le,
2) a des ription of t he tas s p rormed,
3) a des ript ion of t he int eraces, in lu in t he typ of dat a t ran fer, t he v ald dat a ran e an t he
c ec in for v ald dat a;
c) ful source code lstin s, as hard co y or in mac ine- e da le form (e.g A SCI-code), in lu in al glo al
an local varia les, con t ant s an la els u ed, an s ficient comment t o recog ize the program flow;
d) det ais of an software to ls u ed in t he desig an implement at ion phase, e.g CASE-To ls, Compiers
et c
NOT E T his d taie d sig d c ume tatio c n b rev iewe at the ma ufa t urer's premises
4.5.3 Sofware d sig
In order t o en ure t he rela i ty of t he dev ice, t he folow in req irement s for soft ware desig s al a ply
a) The soft ware s al hav e a mod lar st ru t ure
b) The desig of t he int eraces for man aly an automat icaly generat ed dat a s al not p rmit in ald dat a t o
cau e eror in t he program o eration
c) The soft ware s al b desig ed to av oid the oc uren e of de dloc of t he program flow
Trang 114.5.4 Th st ora e of programs a d d ta
The program neces ar y t o comply wit h this p rt of ISO 7 4 , an an preset dat a s c as man fact urer's
set t in s, s al b held in non-v olatie memor y Writ in t o are s of memor y containin t his program an dat a
s al b p s ible only by t he u e of some sp cial to l or code an s al not b p s ible d rin normal
o eration of t he dev ice
Site-sp cific dat a s al b held in memor y t hat can ret ain dat a for at le st wo week s without ex t ernal p w er to
t he dev ice, u les pr ovision is made for the automat ic renew al of s c dat a, folow in los of p w er, w it hin 1 h
of p wer b in rest ored
5 Test s
5.1 Ge eral
5.1.1 Atmospheric con ition for t est s
Unles other w ise st ated in a t est proced re, carry out t he test in aft er the test sp cimen has b en alowed to
st abi ze in the st an ard atmospheric con it ion for t est in as sp cified in IEC 6 0 8-1 as folows:
⎯ t emp rat ure: (15 t o 3 ) °C;
⎯ relative h midity: (2 t o 7 ) %;
⎯ air pres ure: (8 t o 10 ) kPa
The t emp rat ure an h midity s al b s bst antialy con t ant for e c en ironment al t est w here the st an ar d
at mospheric con ition are a pled
5.1.2 Operatin con ition for t est s
If a t est met hod req ires that a sp cimen b o erat ional, t hen the sp cimen s al b con ect ed t o s it able
s p ly an monit or in eq ipment with c aracterist ic as req ired by t he man fact urer's dat a Unles
ot herw ise sp cified in the test met hod, t he s p ly p r amet ers a pled t o t he sp cimen s al b set wit hin t he
man fact urer's sp cified ran e(s) an s al remain s bst antialy con t ant t hrou hout t he t est s The value
c osen for e c p ramet er s al normaly b t he nominal v alue or t he me n of t he sp cified ran e
The det ais of t he s p ly an monit orin eq ipment u ed s al b giv en in t he t est re ort ; se Clau e 6
5.1.3 Mou t i g ara g me t s
The sp cimen s al b mou t ed by it s normal me n of at t ac ment in ac ordan e w it h t he man fact urer's
in t ru t ion If t hese in t ru t ion des rib more t han one met hod of mou t in , then t he met hod con idered to
b most u fav oura le s al b c osen for e c t es
5.1.4 T lera c s
Unles other wise st at ed, the t oleran es for t he env ir onment al t est p ramet ers s al b as given in the b sic
referen e st an ard for t he t es e.g the relev ant p rt s of IEC 6 0 8-2
If a req irement or t est proc ed re do s not sp c ify a t olerance or deviat ion lmits, then dev iation lmits of ± 5 %
s al b a pled
Trang 125.1.5 F n t ion l t est
Eac fu c tion of the input / utput device s al b activated by a s itable me n in ac cordanc e wit h the
man fac turer's sp cific at ion, an a pro riate o servat ion or me s rements s al b made to c onfirm t he
c orec t o erat ion of the dev ice
NOT E T he v ariet y a d th diversit y of th e uipme t within th sc p of this p rt of ISO 7 4 make it dific ult to
d fin th pre ise d t ais of this fu ct io al test T his fu ctio al test is int en e t o e ercise e c h fu ctio of th d v ic in a
simple way A more c omplete as es me t of th p rforma c of th se fu c tio s, in accord nc e wit h th ma ufa turer's
sp cific tio , is ma e in t he p rforma c e a d v ariatio in su ply v olta e test; se 5.2
5.1.6 Provision for te ts
Twelv e sp cimen are req ired to con u t the t est s as in icat ed in t he t est s hed le (se 5.1.7) These
sp cimen s al b n mb red 1 t o 12 arbit rariy
The n mb r of sp cimen may b red ced t o a minimum of nine if t he same sp cimen is u ed for more t han
one EMC t es se Ta le 1 fo t not e
The sp cimen s bmit t ed s al b re resent ativ e of t he man fact urer's normal prod ct ion w it h regard to t heir
con t ru t ion
5.1.7 Te t s he ule
The sp cimen s al b t est ed ac ordin t o the test s hed le in Ta le 1
Table 1 — Te t s he ule for input/out put d vic s
Sulfur dio id (SO
2
Ele troma n tic c mp t ibi t y (EMC), immu ity tests 5.12
9, 10, 1 , 12
a
a
In t he intere ts of t est e o omy, it is p rmitt ed to u e th s me s e ime for more t ha o e EMC t es In t hat c s ,
interme iat e fu ctio al te t(s) o t he s e ime (s) u e for more th n o e t est ma b d let ed, a d t he fu c tio al te t
c on uc t ed at t he e d of th s q e c of te ts.Howev er it s o ld b n te t hat in t he ev ent of a faiure, it mig t n t b p s ible
t o id ntify whic t est e p s re c u e t he faiure; s e of EN 5 13 -4:19 5, Cla s 4