thecopyrightandauthorityfortheinterpretationoftheproductsarereservedby mornsun tdx01d485h 2013.12.04-a/2 page1of3 features l 2 - port electrical isolation between input and output l integrated isolated dc/dc converter l bus protection l i solation voltage 2.5kvdc l operating temperature range:-40 ~ + 85 l high speed data rate 115200bps l connect up to 32 nodes on one bus l low electromagnetic radiation l high electromagnetic immunity generaldescription TD301D485H/td501d485h series are transceiver isolationmodulewithintegratedduplexpowerisolation, electricalisolation,andrs-485interfacebusprotector; theisolationrs-485circuitsofusingapieceofpower isolation module, three light couplings and rs-485 transceiversanddeviceareonlyneedtoadoptars485 isolationmodulenow.simplifythecustomersonthe isolationrequirementsofthedesign;productscanbe easilyembeddedintheuserequipment,achievefunction of rs-485networkconnection. singlehighspeedrs485 isolationtransceivermodule ------TD301D485H(3.3vpowersupply) td501d485h(5.0vpowersupply) partnumbersystem td501d485h rate port signal type package type channel number power distrubution output power input digital bus interface product type selectionguide model input TD301D485H 3.17v~3.45v td501d485h 4.75v~5.25v electricalcharacteristics powerinput inputcurrent(noload) 35ma sendcurrent 70ma input serialinterface compatiblewith+5vand+3.3vuartinterface pincurrent i txd <2ma i rxd <2ma i con <5ma output 485businterface standardinterfacers485,a4.7k pulluptovcc,b4.7k pulldownto gnd transmissioncharacteristics transmissionrate maximum115200bps datadelay thedelaytimefromthereceivingdataswitchtothesenddata:30 s(min),100 s(max). thenumberofnodes connectupto32nodesononebus transceivercontrol contrarytocommon485transceivercontrollevel truthtable sendingstatus control input output con txd a b linestate 0 1 1 0 normal 0 0 0 1 normal receivingstatus control input output con a-b rxd 1 0.2v 1 1 -0.2v 0
thecopyrightandauthorityfortheinterpretationoftheproductsarereservedby mornsun tdx01d485h 2013.12.04-a/2 page2of3 isolationcharacteristics galvanicisolation 2-portisolation(betweeninputandoutput) isolationvoltage 2.5kvdc(testedfor1minuteandleakagecurrent<5ma,humidity<95%) emc specifications emi ce cispr22/en55022 classa externalcircuitrefertofigure1- re cispr22/en55022 classa externalcircuitrefertofigure1- ems esd iec/en61000-4-2 contact 4kv perf.criteriab rs iec/en61000-4-3 10v/m perf.criteriaa eft iec/en61000-4-4 powerport 2kv perf.criteriab externalcircuitrefertofigure1- iec/en61000-4-4 signalport 1kv perf.criteriab externalcircuitrefertofigure1- ems surge iec/en61000-4-5 powerport 1kv/2kv perf.criteriab externalcircuitrefertofigure1- iec/en61000-4-5 signalport 4kv/6kv perf.criteriab externalcircuitrefertofigure1- cs iec/en61000-4-6 3vr.m.s perf.criteriaa othercharacteristics ambienttemperature operatingtemperature -40 +85 transportandstoragetemperature:-50 +105 size 19.9*16.9*7.05(unit:mm) weight 4g,typ applicationenvironment thepresenceofdust,fiercevibration,impulsionandcorrosivegasmaycausedamagetotheproduct emcrecommendedcircuit gnd + txd l1 rxd con rgnd a b 1 2 3 4 5 10 9 8 tvs1c1 c2 c3 r2 tvs2 r3 tvs3 tvs4 gdt r1 c4 vcc c5 c6 a1 b1 (figure1) model TD301D485H td501d485h c1 220uf/10v(electrolyticcapacitor) tvs1 smcj5.0a smcj6.5a c2,c3 1uf/25v l1 10 h c4 1nf/2kv r1 1m c5,c6 100pf/100v tvs2,tvs3, tvs4 smbj15ca r2,r3 10 /2w(wirewoundresistance) gdt b3d090l-c
thecopyrightandauthorityfortheinterpretationoftheproductsarereservedby mornsun tdx01d485h 2013.12.04-a/2 page3of3 note: 1.allspecificationsaremeasuredatta=25 c,humidity<75%,nominalinputvoltageandratedoutputloadunlessotherwisespecified. 2.inthisdatasheet,allthetestsetupandmethodsarebasedonourcorporatestandards. 3.allcharacteristicsareforlistedmodels,andnon-standardmodelsmayperformdifferently.pleasecontactourtechnicalsupportformoredetail. 4.contactusforyourspecificrequirement. 5.specificationsaresubjecttochangewithoutpriornotice. mornsunscience&technologyco.,ltd. address:no.5,kehuist.1,kehuidevelopmentcenter,scienceave.,guangzhousciencecity,luogangdistrict,guangzhou,p.r.china. tel:86-20-38601850 fax:86-20-38601272 e-mail:info@mornsun.cn http://www.mornsun-power.cn applicationnotice 1. pleasereadtheusermanualcarefullybeforeusing.ifanyquestionpleasecontactourfae. 2. pleasedonotusethisproductinhazardousarea. 3. thepowersupplyofthisproductshouldbe24vdcpowersource.itisforbiddentouse220vacpowersupply. 4. toavoidinvalidexplosionprotectionfunction,oranyfailure,disassemblingthisproductisforbidden. after-salesservice 1.productsarecarefullyinspectedandqualitycontrolledduringproductionandbeforeshipment.iftheyoperatedabnormallyortherewas anythingwrong,pleasecontactouragentfromwhichyoupurchasedormornsunfaeassoonaspossible. 2.mornsunwarrantyourproductfor3yearsfrommanufacturingdate.duringthisperiod,mornsunwillrepairorreplacetheproductifproduct wasfoundtohavemanufacturingdefect. applicationcircuit youcansee aapplicationguidetoisolationtransmitter . typicalapplicationscircuitdiagram vcc gnd txd rxd con a rgnd b tdx01d485h 1 2 3 4 5 8 9 10 txd rxd con mcu vcc 485bus outlinedimensions,recommendedfootprint&packaging
|
