thecopyrightandauthorityfortheinterpretationoftheproductsarereservedby mornsun tdx01d485h-e 2013.12.04-a/1 page1of3 features l baudratehighupto500kbps l connectupto256nodesononebus l 2500vdcisolationinputandoutput l integratedhighefficiencyisolateddc/dc converter l operatingtemperaturerange:-40 ~+85 l esdprotection,perfectemcrecommend circuit generaldescription single high rate rs485 isolation transceiver module TD301D485H-E/td501d485h-e series are rs485 transceivermodulewithintegrated isolated power,signal isolatedchipandthebusprotectiondevice. product's main function is to convert logic level to difference level of the 485 agreement, and it implements the function of signalisolation.products iswithisolationpower.it canachieve2500vdcelectricalisolationandhave the function of esdprotection.productcanbeeasilyembedded user equipment, makes the equipment easily implement connection of 485 protocol network . single high speed rs 485 isolationtransceiver module(enhancedversion) TD301D485H-E(3.3vpowersupply) td501d485h-e(5.0vpowersupply) rohs partnumbersystem td501d485h-e special mark speed port signaltype packagetype channelnumber power distribution output power input digital bus product type selectionguide model powerinput TD301D485H-E 3.17v~3.45v td501d485h-e 4.75v~5.25v electricalcharacteristics inputparametersofpower supply staticcurrent 40ma powerdissipation 0.2w inputparameters serialinterface compatiblewiththeuartcontrolportof+5vand+3.3v pincurrent i txd 2ma i rxd 2ma i con 5ma outputparameters 485businterface standardinterfacers485,pull-upandpull-downresistor,whosevalueis 4.7k ,havebeensettoa/bline. transmission characteristics transmissionrate maximum500kbps datadelay thedelaytimefromthereceivingdataswitchtothesenddata:30 s(min),100 s(max). thenumberofnodes connectupto256nodesononebus 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 isolation characteristics electricalisolation two-portisolation(inputandoutput) isolationvoltage 2.5kvdc(testedfor1minuteandleakagecurrent<5ma,humidity<95%)
thecopyrightandauthorityfortheinterpretationoftheproductsarereservedby mornsun tdx01d485h-e 2013.12.04-a/1 page2of3 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 environmentaltemperature operatingtemperature:-40 ~+85 transportandstoragetemperature:-50 ~+105 operatinghumidity 10%~90% size 19.9*16.9*7.05 l*w*h (unit:mm) weight approx.4g applicationenvironment thepresenceofdust,fiercevibration,impulsionandcorrosivegasmaycausedamagetotheproduct note: 1. allspecificationsmeasuredatta=25 c,humidity<75%,nominalinputvoltageandratedoutputloadunlessotherwisespecified. 2.allspecificationsstatedinthisdatasheetaresubjecttotheabovelistedmodelsonly.forspecificationsofnon-standardmodels,pleasecontact ourtechnicalsupportteam. emc recommended circuit gnd + txd l1 rxd rgnd a b 1 2 3 4 10 9 8 tvs1c1 c2 c3 r2 tvs2 r3 tvs3 tvs4 gdt r1 c4 vcc c5 c6 (figure1) (figure1)overallplan(detailparameterrefertoitem) recommendedexternalcircuitparameters: model TD301D485H-E td501d485h-e c1 220uf/10v(electrolyticcapacitor) tvs1 smcj5.0a smcj6.5a c2,c3 1uf/25v l1 10 h c4 1nf/2kv c5,c6 100pf/100v r1 1m tvs2,tvs3, tvs4 smbj15ca r2,r3 10 /2w(wire-woundresistor) gdt b3d090l-c applicationnote 1.pleasereadtheusermanualcarefullybeforeusing.ifanyquestionpleasecontactourtechnicalsupportdepartment. 2. pleasedonotusethisproductinhazardousarea. 3. toavoidinvalidexplosionprotectionfunction,oranyfailure,usersdisassemblethisproductisforbidden.
thecopyrightandauthorityfortheinterpretationoftheproductsarereservedby mornsun tdx01d485h-e 2013.12.04-a/1 page3of3 note: 1.allspecificationsmeasuredatta=25 c,humidity<75%,nominalinputvoltageandratedoutputloadunlessotherwisespecified. 2.inthisdatasheet,allthetestsetupandmethodsarebasedonourcorporatestandards. 3.allcharacteristicsaremeantforlistedmodel,non-standardmodelsmayperformdifferently,youcancontactmornsunfaeformoredetails. 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.com afterservice 1.productsarecarefullyinspectedandqualitycontrolduringproductionandbeforeshipment.iftheyoperatedabnormallyortherewereanything wrong,pleasecontactouragentwherepurchasedormornsunfaeassoonaspossible. 2.mornsunwarrantyourproductfor3yearsfrommanufacturingdate.duringthisperoid,mornsunwillrepairorreplacetheproductifproduct wasfoundtohavemanufacturingdefect. applicationguide seethecommunicationinterfaceproductapplicationguide. typicalapplicationscircuitdiagram 0.1uf dc/dc vcc txd con rxd mcu di de re ro rs485een gnd a b vcc +5v 6n137 6n137 6n137 +5v b0505-1w conventionalcircuit rxd txd gnd vcc a b rgnd 10 9 8 rxd txd 1 2 3 4 mcu vcc 485 bus con 5 con newcircuit outlinedimensions,recommendedfootprint&packaging
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