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RS485 快速指南

上传者: 2022-08-09 15:41:42上传 PDF文件 489.18 KB 热度 16次

RS485conveysdatadifferentiallyoveraterminatedtwistedpair,permittingupto10Mbpsdatarates.Thestandardspecifieselectricalcharacteristicsofadriverandreceiver,anddoesnotspecifyanydataprotocolorconnectors.RS485ispopularforinexpensivelocalnetworks,multidropcommunicationlinksandlonghauldatatransferoverdistancesofupto4,000feet.TheuseofabalancedlinemeansRS485hasexcellentnoiserejectionandisidealforindustrialandcommercialapplications.You’llfindRS485inapplicationsasdiverseasmonitoringoilwellsandlinkingPOSterminals,toalarmsystems,motioncontrolandHVACcontrols.Extendedcapabilitytransceiversofferdataratesupto100Mbpsandupto256nodes,aswellas2500VRMSisolationandfaultprotectionupto±60V.

RS485QuickGuideTIA/EIA-485-AStandardRS485conveysdatadifferentiallyoveraterminatedtwistedpair,permittingupto10Mbpsdatarates.Thestandardspecifieselectricalcharacteristicsofadriverandreceiver,anddoesnotspecifyanydataprotocolorconnectors.RS485ispopularforinexpensivelocalnetworks,multidropcommunicationlinksandlonghauldatatransferoverdistancesofupto4,000feet.TheuseofabalancedlinemeansRS485hasexcellentnoiserejectionandisidealforindustrialandcommercialapplications.You’llfindRS485inapplicationsasdiverseasmonitoringoilwellsandlinkingPOSterminals,toalarmsystems,motioncontrolandHVACcontrols.Extendedcapabilitytrans

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