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时间: 2019-12-24 22:30
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Abstract:Industrialcontrolsystemscontinuetoemploystandardanalogsignalsfortransmittingdatabetweentheprocessandthecontrolequipment.Robust,4-to-20mAcurrent-loopsignalsthatareeasilytransmittedoverseveralthousandfeet,±5and±10Vsignalsarealsoverycommoninindustrialsystems.Maxim>AppNotes>A/DandD/ACONVERSION/SAMPLINGCIRCUITSKeywords:4-20mA,0-10V,+/-10V,0-5V,+/-5V,multirangingadc,analogtodigital,analogdigital,Aug01,2000converters,programmablelogiccontrollers,plc,overranging,faultAPPLICATIONNOTE270Analog-SignalDataAcquisitioninIndustrialAutomationSystemsAbstract:Industrialcontrolsystemscontinuetoemploystandardanalogsignalsfortransmittingdatabetweentheprocessandthecontrolequipment.Robust,4-to-20mAcurrent-loopsignalsthatareeasilytransmittedoverseveralthousandfeet,±5and±10Vsignalsarealsoverycommoninindustrialsystems.ThisapplicationnoteshowcasesMaxim'sintegratedDataAcquisitionSystem(DAS)solutions.Maxim'sDASsolutionssaveboardspace,power,anddesigntime,whi……