thecopyrightandauthorityfortheinterpretationoftheproductsarereservedby mornsun tdx12p485 2013.12.04-a/1 page1of3 features l two-port electrical isolation input and output l integrated isolated dc/dc converter l bus protection l isolation voltage 2.5kvdc l operating temperature range:-40 ~+85 l baud rate 9600bps l connect up to 32 nodes on one bus l low electromagnetic radiation l high electromagnetic immunity generaldescription rs-485interfacepowerintegratedisolatedmodule TD312P485/td512p485seriesaretransceiverisolation module with integrated duplex power isolation, electrical isolation,andrs-485interfacebusprotector.productscanbe easilyembeddedintheuserequipment,achievefunctionof rs-485two-portnetworkconnection the isolationrs-485circuitsofusingapieceofpower isolation module, six light couplings and two rs-485 transceiversanddeviceareonlyneedtoadoptars485 isolationmodulenow.simplifythecustomersontheisolation requirementsofthedesign. dual low rate rs 485 isolationtransceivermodule TD312P485(3.3vpowersupply) td512p485(5.0vpowersupply) rohs partnumbersystem td512p485 port signal type package type channel number power distrubution output power input digital bus interface product type selectionguide model powerinput TD312P485 3.17v~3.45v td512p485 4.75v~5.25v electricalcharacteristics powerinputparameters inputcurrent(noload) td512p485 35ma,TD312P485 45ma sendcurrent td512p485 80ma,TD312P485 120ma powerdissipation 0.4w inputparameters serialinterface td512p485compatiblewith+5vuartinterface TD312P485 compatible with + 3.3 v uart interface pincurrent i txd 5ma i rxd 3ma i con 5ma outputparameters 485businterface standardinterfacers485,pull-upandpull-downresistor,whosevalueis 4.7k,havebeensettoa/bline. isolationpoweroutput nominal5v, 0.15w transmission characteristics transmissionrate maximum9600bps 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 isolation characteristics galvanicisolation two-portisolation(inputandoutput) isolationvoltage 2.5kvdc(testedfor1minuteandleakagecurrent<5ma,humidity<95%)
thecopyrightandauthorityfortheinterpretationoftheproductsarereservedby mornsun tdx12p485 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 ambienttemperature operatingtemperature -40 ~+85 transportandstoragetemperature:-50 ~+105 operatinghumidity 10%~90% size 31.8*20.3*9.5 l*w*h (unit:mm) weight approx.10g applicationenvironment thepresenceofdust,fiercevibration,impulsionandcorrosivegasmaycausedamagetotheproduct note:1.allspecificationsmeasuredatta=25 c,humidity<75%,nominalinputvoltageandratedoutputloadunlessotherwisespecified. 2.allspecificationsstatedinthisdatasheetaresubjecttotheabovelistedmodelsonly.forspecificationsofnon-standardmodels,pleasecontactourtechnical supportteam. emc recommended circuit gnd vcc txd1 l1 rxd1 con1 vo gnd txd2 rxd2 con2 vo 1 2 3 4 5 9 10 11 12 a1 b1 rgnd vcc a2 b2 rgnd 24 23 22 21 20 16 15 14 13 tvs1c1 c2 c3 gdt1 r3 r2 tvs4 tvs3 tvs2 r4 tvs5 r5 tvs6 tvs7 gdt2 c4 r1 + c5 c6 c7 r4 c8 (figure1)overallplan(detailparameterrefertoitem) (table1) model TD312P485 td512p485 c1 220uf/10v(electrolyticcapacitor) tvs1 smcj5.0a smcj6.5a c2,c3 1uf/25v l1 10 h c4 1nf/2kv r1 1m c5,c6,c7,c8 100pf/100v tvs2,tvs3 tvs5,tvs6 tvs4,tvs7 smbj15ca r2,r3 r4,r5 10 /2w(wirewoundresistance) gdt1,gdt2 b3d090l-c
thecopyrightandauthorityfortheinterpretationoftheproductsarereservedby mornsun tdx12p485 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 application notice 1.pleasereadtheusermanualcarefullybeforeusing.ifanyquestionpleasecontactourtechnicalsupportdepartment. 2. pleasedonotusethisproductinhazardousarea. 3. toavoidinvalidexplosionprotectionfunction,oranyfailure,usersdisassemblethisproductisforbidden. after-salesservice 1.productsarecarefullyinspectedandqualitycontrolduringproductionandbeforeshipment.iftheyoperatedabnormallyortherewereanything wrong,pleasecontactouragentwherepurchasedormornsunfaeassoonaspossible. 2.mornsunwarrantyourproductfor3yearsfrommanufacturingdate.duringthisperoid,mornsunwillrepairorreplacetheproductifproduct wasfoundtohavemanufacturingdefect. applicationguide seethecommunicationinterfaceproductapplicationguide. typicalapplicationscircuitdiagram rxd mcu con vcc txd1 gnd vcc rxd1 4 85bus txd 3 4 5 1 2 con1 txd2 gnd vcc rxd2 con 2 22 21 20 24 23 b1 a1 vo rgnd a2 vo b2 rgnd 15 14 13 16 10 11 12 9 gnd theconnectingof2channeland1channelarethesame input/outputpowerof1channeland2channelarei nternalconnected outline dimensions, recommended footprint & packaging
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