
Version:106200171009
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II.Productfeatures
üItcanrealizeelectroniccodingandrewritetheaddressviacoderinsitu.
üWithinasingle-chipmicrocomputer,itcanrealizereal-timedataacquisitionandprocessing,
realizeacurvetracingforthefieldsituation.
üIthasatemperaturecompensationfunctionandasensorfaultdetectionfunction(faultreporting
tofirealarmcontrolpanel).
üNon-polarity,two-busconnectionthatensuresconvenientinstallationandmaintenance.
üDesignedwithanuppercoverandalowercoverandinstalledonanindependentbase,itcan
beinstalled,debuggedandmaintainedconveniently.
üBuilt-inremoteindicatoroutputterminal,driveremoteindicatorlitwhenfirealarm
III.Technicalparameters
Executivestandard:EN54-5
Operatingvoltage:24V(pulsemodulation)
Productclass:A2
Standbycurrent:
300uA;
Alarmcurrent:noremoteindicator
1.5mA,hasremoteindicator
3.5mA
Workindication:Theredindicatorwillblinkinthemonitoringstatusorremainlitinthealarm
status.
Weight:about115g(withthebase)
Externaldimensions:diameter:100mm,height:60mm(withthebase)
Wiringmethod:non-polaritytwo-bussystem(L1,L2);theterminal2and4canconnectwith
theremoteindicator.
Operatingenvironment:Indoor,temperature:
10
+50
;relativehumidity:
95%
(non-condensing)
Codingmode:Itcanrealizeelectroniccodingviacoderinsitu.Addresscodes1to324are
availableforselection.
Matchedhostmachine:SEC3002firealarmcontrolpanel.
IV.Appearanceanddimensions(seeFig.1)
Fig.1(unit:mm)
I.Productoverview
A9020Tpoint-typeheatfiredetector(Detectorhereunder)isamatedproduct
oftheSEC3002firealarmcontrolpanel.Itusesatwo-busworkmode.With
aninternalmicroprocessor,itsupportselectroniccoding.Thedetector
realizesreal-timeacquisitionoftheinsitutemperaturedataandsendsback
thedatatoafirealarmcontrolpanel.Itcanalsoreceiveandexecutethe
controlcommandsgivenbyafirealarmcontrolpanel.Wheninarouting
inspection,thedetectorindicatorwillblink.Whenthereisafireinthe
monitoredareaandthetemperaturehasreachedthealarmthreshold,thefire
alarmcontrolpanelwillconfirmafirealarmaccordingtothereceived
messagesentfromthedetector,andthedetectorindicatorwilllightatthe
sametimetoindicateafirealarm.
Thedetectorissuitableforsuchindustrialandcivilbuildingsthathaveagreat
dealofheatwhenfiretakesplace,suchaskitchens,boilerrooms,generator
rooms,dryingworkshopsandsmokingroomsandisnotsuitableforplaces
withagreatdealofsmokebutlittleheat.
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V.Useandengineeringapplication
1. Fig.2istheschematicdiagramofthematchedmountingbase.
Fig.2
Definitionsofterminals(non-polarity
two-wiresystem):
1--Signalterminal(L1)
2Negativeofremoteindicator
3--Signalterminal(L2)
4Positiveofremoteindicator
2. Wiringmethod:Thedetectorisaccessedthroughacompatiblefirealarmcontrolpanelviaa
two-wirebus.Itusesnon-polarityconnection.TheterminalsL1andL2ofthetwo-wirebusare
connectedwiththeterminals1and3ofthematchedmountingbase.Fig.3isaschematicdiagram
oftheconnectionbetweenmultipledetectorswithafirealarmcontrolpanel.
Fig.3
3. RemoteIndicatorconnection:thenegativeandpositiveofremoteindicatorshouldrespectively
connectonterminals2and4,asshowninFig.4.
Fig.4
4. Codingaddress:AsshowninFig.5,detectorisaccessedviathedetectormountingbaseonthe
coder,non-polarityconnectionisadoptedfortheterminalsL1andL2,setthecoderwiththecoding
function,selectthecorrectaddressnumberandpresstheRUNkeytocompletetheaddresscode
setup.(Note:SeetheUser’sManualofthecoderforthedetailedoperation.)
Intelligent
two-bus
controller