ThedigitaltemperaturesensorofDS18B20
ThedigitaltemperaturesensorofDS18B20,ThisproductusestheAmericanDALLAScompany'sDS18B20networkdigitaltemperaturesensorchippackage.butbecomewear-resistanttouch,thephysicalvolumeissmall,convenient,packagingformisvaried,Suitableforallkindsofnarrowspaceindigitaltemperaturetestandcontrolfieldequipment.
Unique1-WireTM
interfacerequiresonlyoneportpinforcommunication.Multidropcapabilitysimplifiesdistributedtemperaturesensingapplications,requiresnoexternalcomponents,Canbepoweredfromdataline.Powersupplyrangeis3.0Vto
5.5V,Zerostandbypowerrequired,Measurestemperaturesfrom-55Cto+125C°.°Fahrenheitequivalentis-67°Fto+257°F,0.5Caccuracyfrom-10°Cto+85°C,Thermometerresolutionisprogrammablefrom9to12bits,Converts12-bit
temperaturetodigitalwordin750ms(max.).User-definable,nonvolatiletemperaturealarmsettings,Alarmsearchcommandidentifiesandaddressesdeviceswhosetemperatureisoutsideofprogrammedlimits(temperaturealarm
condition).Applicationsincludethermostaticcontrols,industrialsystems,consumerproducts,thermometers,oranythermallysensitivesystem.
thedescriptionoftechniquefunction:Single-lineinterfaceisunique,DS18B20whilelinkingwithmicroprocessoronly
needalinecanimmediatelycarryoutthedoubleofmicroprocessorandDS18B20towardthecommunication.
measurescope-55C-+125°C,propermeasureresolution's0.5C.supportseveralsetnetsfunction,severalDS18B20canmergeatuniquethreeon-line,
themostcanmerge8,ifamountwasexcessive,itwouldmakepowersupplythepowerelectricvoltageoverlow,resultinthusthesignaldeliversofunsteady,therealizationsordertomeasuremoreworkthepower:3~5V|DC
don'tneedanyoutercirclecomponentintheuse
measuretheresultmeasureawaystringwith9~12numberslinetransmissionstainiesssteelsprotecttotakecareofdiameter6
beapplicabletoDN15~25,DN40~DN250variousequipmentsthatlieindustrialpipingofqualityandnarrowandsmallspacemeasure
standardsinstallthethreadM10X1,M12X1.5,theG1|2termchooses
1)productsareapplicabletocoldstorage,foodCang,keepabottle,1、
1)2)3)4)5)6)7)8)9)
10)PVCelectriccabledirectthelineorvirtuoustypeballtypeconnectline
boxline,theeasytoandotherelectricappliancesequipmentslinks.
2、Application
tele-communicationsengineroom,electricpowerengineroom,cableslotetc.measuresmoderatecontrolrealm
stalktiles,urnbody,theFangmachine,theaircondition,waitsin
dustrialequipmentsofnarrowandsmallspacetomeasureamoderatecontrol.caraircondition,refrigerator,coldcabinet,andmediumlowtemperature
dryboxofetc.s.
providehot|makecoldpipingcaloriestocalculate,thecentralairconditi
ondividesathermalenergytocalculatetomeasureamoderatecontrolwithindustrialrealm
3
Productmodelnumberandspecification
4、Connectlineinstruction
Thecharacteristicsspecialfrontlineconnects,needsalinetocorrespondbylettertoordermoreabilityandsimplifiedadistributetypethetemperaturespreadthefeelingapplicationdidn'tneedanexternalcomponenttousedatatotallinepowersupply,theelectricvoltagescopehasneverneededtoprovideforusethepowerdiagraphtemperaturescopeforthe3.0-5.5VsBE-55C
to+125°C.TheFahrenheitisequalhence-67-257Fahrenheitdegree-lCgoto+85Caccuracyinsidethescopeis±).5C
Thetemperaturespreadsafeelingmachine'sprogrammableresolutiontoconvertinto12numberformatsfor9~12temperaturesbiggestbeworthto750amilli-ofsecondthecustomercandefineofnotandeasilylosesextemperaturetoreporttothepolicetoestablishanapplicationtoincludeaconstanttemperaturecontrol,industrialsystem,consumeelectronicsproduct
thermometer,oranyhotsensitivesystem
ThenumberthermometerthatdescribestheDS18B20provides9-12(thep
rogrammableequipmentstemperaturereadanumber.TheinformationisdisheveledhairtosendtoconnectthroughalinefromtheDS18B20,socentralmicrop
rocessorandDS18B20onlyhaveaperlineconjunction.Forreadandwriteandthetemperatureconversioncanacquireenergyfromthedataline,don'tneedto