2-Wire Communication Using LabVIEW

Abstract:LabVIEW™isagraphicalprogrammingtoolusedinproductionandlaboratoryenvironmentstocollectdataandsupplycontrolsignalstomonitorandcontroltheenvironmentit'smonitoring.TheDS3900isanRS-232to2-wireinterfacewhichisdesignedtoprovideahardware/firmwareinterfacebetweenaPC'sserialportandany2-wiredevice.

ThisapplicationbriefdescribeshowtouseLabVIEW,viaaPCserialporttocontrola2-wireinterface.AninterfacetoaDS1086isgivenasanexample.ThebriefalsodescribeshowtoconfiguretheLabVIEWgraphicaluserinterface(GUI)tocommunicatetotheDS3900serialportadapter.ExamplesaregivenonhowtomanipulatetheregistersettingsinaDS1086low-EMIEconOscillator™.FlowchartsshowingthedetailsonhowtocommunicatetotheDS1086areprovided.

TheDS3900serialportto2-wireadapterisnotaproductintendedforsaleexceptindevelopmentkitsofferedbyDallasSemiconductorinsupportof2-wiredevicessuchastheDS1086.Although,writtenfortheDS1086,thisapplicationnotecanbeusedtodevelopaLabVIEW-basedinterfacetoanyDallasorMaxim2-wiredevices.Maxim>AppNotes>A/DandD/ACONVERSION/SAMPLINGCIRCUITSDIGITALPOTENTIOMETERSGENERALENGINEERINGTOPICSKeywords:Labview,DS3900,DS1086,2-wire,2wireSep09,2002APPLICATIONNOTE2152-WireCommunicationUsingLabVIEWAbstract:LabVIEWisagraphicalprogrammingtoolusedinproductionandlaboratoryenvironmentstocollectdataandsupplycontrolsignalstomonitorandcontroltheenvironmentit'smonitoring.TheDS3900isanRS-232to2-wireinterfacewhichisdesignedtoprovideahardware/firmwareinterfacebetweenaPC'sserialportandany2-wiredevice.ThisapplicationbriefdescribeshowtouseLabVIEW,viaaPCserialporttocontrola2-wireinterface.AninterfacetoaDS1086is