thecopyrightandauthorityfortheinterpretationoftheproductsarereservedby mornsun tdx11d485h 2013.12.04-a/1 page1of3 features l 2-portelectricalisolationinputandoutput l integratedisolateddc/dcconverter l busprotection l isolationvoltage2.5kvdc l operatingtemperaturerange:-40 ~ +85 l highspeeddatarate 115200bps l connectupto32nodesononebus l isolationpoweroutput+5v l lowelectromagneticradiation l highelectromagneticimmunity generaldescription TD311D485H/td511d485h series are transceiver isolationmodulewithintegratedduplexpowerisolation, electricalisolation,andrs-485interfacebusprotector; productscanbeeasilyembeddedintheuserequipment, achievefunctionof rs-485networkconnection. theisolationrs-485circuitsofusingapieceofpower isolation module, three light couplings and rs-485 transceiversanddeviceareonlyneedtoadoptars485 isolationmodulenow.simplifythecustomersonthe isolationrequirementsofthedesign. singlehighspeedrs485 isolationtransceivermodule (withdistribution) TD311D485H(3.3vpowersupply) td511d485h(5.0vpowersupply) partnumbersystem TD311D485H rate port signaltype packagetype channelnumber power distribution output power input digital bus product type selectionguide modelnumber powerinput TD311D485H 3.17v~3.45v td511d485h 4.75v~5.25v electricalcharacteristics powerinputparameters inputcurrent(noload) 35ma sendcurrent 70ma inputparameters serialinterface compatiblewith+5vand+3.3vuartinterface pincurrent i txd <2ma i rxd <2ma i con <5ma outputparameters 485businterface standardinterfacers485 nopull-upandpull-downresistorona/bline 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 tdx11d485h 2013.12.04-a/1 page2of3 isolationcharacteristics galvanicisolation 2-portisolation(inputandoutput) 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(mm) weight 4g 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 gdt1 r1 c4 tdx11d485h 7 vo vcc c5 c6 (figure1) recommendedexternalcircuitparameters: model TD311D485H td511d485h c1 220uf/10v 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) gdt1 b3d090l-c
thecopyrightandauthorityfortheinterpretationoftheproductsarereservedby mornsun tdx11d485h 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 applicationnotice pleasereadtheusermanualcarefullybeforeusing.ifanyquestionpleasecontactourtechnicalsupportdepartment. after-salesservice 1.productsarecarefullyinspectedandqualitycontrolduringproductionandbeforeshipment.iftheyoperatedabnormallyortherewereanything wrong,pleasecontactouragentwherepurchasedormornsunfaeassoonaspossible. 2.mornsunwarrantyourproductfor3yearsfrommanufacturingdate.duringthisperoid,mornsunwillrepairorreplacetheproductifproduct wasfoundtohavemanufacturingdefect. applicationcircuit youcansee aapplicationguidetoisolationtransmitter typicalapplicationscircuitdiagram 0.1uf dc/dc +5v 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 485bus con 5 con 7 vo tdx11d485h note:nopullupandpull-down resistor on a/b line inside of the prodult,users connected according to the actaal situation - newcircuit outlinedimensions,recommendedfootprint&packaging
|
