DataAcquisitionUnitDataCollectionDeviceModbusRTURS485

1.ProductIntroduction
1.1.Productdesigndescription
TheXH-104dataacquisitionmoduleisageneraldataacquisitionmoduledevelopedbyourcompanyforvariousapplications.Itiswidelyusedinvariousindustriessuchasbuilding,HVAC,fireprotection,watersupply,petrochemical,andenvironmentalprotection.Itisusedbymostsystemintegratorsandautomationcompanies.Theresearchinstituteadoptsadataacquisitionmodulewithextremelyhighcharacterratio,stabilityandreliability.
TheXH-104modulecanbeusedaloneorextended.

1.2.Features
8channelsofDCsampling,whichcanbeconnectedtovarioustransmitters.4DCoutputs
2isolatedcommunicationports(485or232),supportMODBUSRTUorotherprotocols,easytoexpand.SMDinstallation,noexternalbus,highreliabilityandstronganti-interferenceability.
Fastenedbycassetteguiderailsorscrews,makingon-siteinstallationmoreconvenient.

1.3.SystemParameters

1.3.1.DCanaloginputcapacity:8channels/module
Inputsignal:0-10Vor4-20mAConversionspeed:5uS
Resolution:12-bitA/D
Calculationmethod:Takethegridfrequencyasareference,take32pointsperweek,calculatetheaveragevalueasthemeasuredvalue.Accuracy:0.2%FS±1word

1.3.2.DCanalogoutput
Capacity:4channels/module
Outputsignal:0-10Vor0-20mAor4-20mAOutputimpedance:0~10Vinternalresistance125ohmcurrentoutput,outputimpedancegreaterthan100K
Loadcapacity350ohmresolution:12bitD/A
Accuracy:0.2%FS±1word

1.3.2.Communicationinterfacecapacity:2channels
Interfacemode:RS485interface,RS232interface,optional.Protocol:MODBUSprotocolorotherprotocols

1.4.Installationanduseenvironment
Installationmethod:cassetterailinstallationorbottomscrewfixing
Temperaturerange:-10℃~55℃Storagetemperature:-20℃~70℃Relativehumidity:<85%(20±5℃condition)Atmosphericpressure:86~108Kpa
Installationsize:145×90×40mm