产品型号:X120X120复用器简单介绍X120复用器TheRonanModelX120Multiplexerisdesignedtocontinuouslymonitorupto48dryfieldcontacts,voltagetran***issi***(livecontacts),orsolidstateswitchingdevices(SCR抯,Transistors,etc.).Theunittransfersthestatusofallinputs,openorclosed,alarmedornormalviaserialcommunicationtothereceiver,aDigitalControlSystem(DCS),PlantComputer,orSerialInputDevicesuchastheRonanModelX110VisualAnnunciatorController.TheX120featurestwotypesofterminationfX120复用器的详细介绍X120复用器Multiplexer/TerminationUnit[X120]TheRonanModelX120Multiplexerisdesignedtocontinuouslymonitorupto48dryfieldcontacts,voltagetran***issi***(livecontacts),orsolidstateswitchingdevices(SCR抯,Transistors,etc.).Theunittransfersthestatusofallinputs,openorclosed,alarmedornormalviaserialcommunicationtothereceiver,aDigitalControlSystem(DCS),PlantComputer,orSerialInputDevicesuchastheRonanModelX110VisualAnnunciatorController.TheX120featurestwotypesofterminationfacilities,standardcompressionorquickdisconnectcompression,allowingsimpledisconnectofaninputforgroundfaultisolationordisablingapoint.The48inputsareoptoisolatedtoprovideisolationbetweeninputsignalsaswellasfieldcontactandlogicvoltage.TheinputsarecontinuouslyscannedandtheirstatetransferredtothereceiverviatheRonanproprietaryprotocol.Forapplicati***withmorethan48inputs,upto32ModelX120unitscanbedaisy-chainconnectedtoformasingleserialoutputwhichmonitorsthestatusofupto1536dryorlivecontactsorsolidstateswitchingdevices.Theinputstatechangesaredigitallyfilteredfor16millisecondsbeforebeingtran***ittedoverthehighspeedserialcommunicationline.Eachunitmaybeequippedwithsingleorredundantpowersuppliesforlogicandfieldcontactvoltage.Thepowersuppliesare***ailablefor115VAC,220VAC,50/60Hzand24VDC,48VDCor125VDCsource.Thefieldcontactwettingvoltageis24VDCor125VDC,providingtotalisolationbetweenlogicandfieldcontactvoltage.TheX120optionallyfeaturesgroundfaultdetectionforevery24inputswithLEDindicationandrelaycontactoutput.X120复用器Self-test,status,com.error,andlossofpowerisdisplayedbymeansofLEDindicators.Thelossofpowersupplyvoltagewillde-energizetheself-testrelay.Manualinputtestforall48inputsmaybeinitiatedbydepressingtheresetpushbutton.AfailedinputchannelIDistran***ittedtothehost.TestfailureandcommunicationerrorsareindicatedonaLEDandthehornrelaywillbeactivated.)