CompactRIO (Scan Interface)CompactRIO™ Reference and Procedures (Scan Interface) July 2008, 372603A-01 Use this book as a reference for information about using LabVIEW, CompactRIO

CompactRIO™ReferenceandProcedures(ScanInterface)July2008,372603A-01UsethisbookasareferenceforinformationaboutusingLabVIEW,CompactRIOdevices,andCSeriesmoduleswiththeNIScanEngine.

Toviewrelatedtopics,clicktheLocatebutton,shownatleft,inthetoolbaratthetopofthiswindow.TheLabVIEWHelphighlightsthistopicintheContentstabsoyoucannavigatetherelatedtopics.

TocommentonNationalInstrumentsdocumentation,refertotheNationalInstrumentsWebsite.©2008NationalInstrumentsCorporation.Allrightsreserved.

lvioscanhelp.chm::/scan_engine.html

CompactRIORelatedDocumentation(ScanInterface)CompactRIOincludesthefollowingdocumentation.

HelpResourcesLabVIEWHelp—UsethishelpfiletoaccessreferenceinformationaboutCSeriesmodulesandinstructionsforusingLabVIEWwithCompactRIOdevices.UsingtheContentstab,navigatetoReal-TimeModule»CompactRIOReferenceandProcedures(ScanInterface).YoucanfindhelptopicsforthemoduleyouareusingbynavigatingontheContentstabtoReal-TimeModule»CompactRIOReferenceandProcedures(ScanInterface)»ModuleType»NI9xxx.Measurement&AutomationExplorer(MAX)HelpforCompactRIO—UsethishelpfiletoaccessinstructionsforconfiguringtheCompactRIOcontrollerandenablingthecRIO-910xReconfigurableEmbeddedchassisforusewithLabVIEW.AfteryoulaunchMAX,selectHelp»MAXHelpandnavigatetoMeasurement&AutomationExplorerHelp»InstalledProducts»MAXHelpforCompactRIOontheContentstab.

lvconcepts.chm::/LabVIEW_Documentation_Resources.html

PDFDocumentsThesedocumentsareavailableasPDFsintheCompactRIO\manualsdirectory.Thelatestversionsofthesedocumentsareonlineatni.com/manuals.YoumusthaveAdobeReaderwithSearchandAccessibility5.0.5orlaterinstalledtoviewthePDFs.YoumusthaveAdobeReaderwithSearchandAccessibility6.xorlaterinstalledtosearchPDFversionsofthesemanuals.RefertotheAdobeSystemsIncorporatedWebsitetodownloadAcrobatReader.

CompactRIOReconfigurableEmbeddedSystemInstallationInstructions—UsetheseinstallationinstructionstolearnhowtoinstallthecRIO-910xReconfigurableEmbeddedchassis.CompactRIOcRIO-9012/9014OperatingInstructionsandSpecifications—Usetheseoperatinginstructionstolearnhowtoconnectthecontrollertothenetworkandusethefeaturesofthecontroller.CompactRIOcRIO-9072/9074OperatingInstructionsandSpecifications—Usetheseoperatinginstructionstolearnhowtoconnecttheintegratedchassis/controllertothenetworkandusethefeaturesoftheintegratedchassis/controller.GettingStartedwithCompactRIOandLabVIEW—UsethistutorialtolearnhowtodevelopaCompactRIOapplicationinLabVIEW.Whiledevelopingtheapplication,youcanlearnconceptsandtechniquesthatyoucanapplywhenyoudevelopyourownCompactRIOapplication.Thistutorialisavailableonlineatni.com/manuals.NI9xxxOperatingInstructionsandSpecifications—UsetheoperatinginstructionsfortheCSeriesmoduletolearnaboutmodulespecificationsandhowtousethemodule.Forexample,usetheNI9403OperatingInstructionsandSpecificationstolearnabouttheNI9403.

ReadmeDocumentsNI-RIOReadme—Usethisfiletolearnimportantlast-minuteinformationaboutNI-RIO,includinginstallationinstructionsanddescriptionsofknownissuesforinstallingandusingNI-RIO.AccesstheNI-RIOReadmeontheNI-RIOinstallationCD.SoftwareSupportforCompactRIO,CompactDAQ,andRSeriesDevices—UsethisNIDeveloperZonedocumenttodeterminewhatversionsoftheNI-RIOsoftware,theLabVIEWReal-TimeModule,andtheLabVIEWFPGAModuleyouneedfortheCSeriesmodules,CompactRIOchassis,CompactRIOcontrollers,Single-BoardRIOdevices,andRSeriesdevicesyouareusing.

http://www.ni.com/cgi-bin/redirect.cgi?dest=infcoprod&src=help&openagent&code=rdsoftwareversion

SearchingPDFVersionsofCompactRIOManuals(ScanInterface)UseAdobeReaderwithSearchandAccessibility6.xorlatertosearchPDFversionsofalltheCompactRIOmanuals.RefertotheAdobeSystemsIncorporatedWebsitetodownloadAcrobatReader.CompletethefollowingstepstosearchallthePDFversionsofCompactRIOmanuals.

1. InAdobeReader,selectEdit»SearchtodisplaytheSearchPDFwindow.

2. EnterawordorphraseintheWhatwordorphrasewouldyouliketosearchfortextbox.

3. ClicktheAllPDFDocumentsinbuttonandselectBrowseforLocationfromthedrop-downlist.TheBrowseforFolderdialogboxappears.

a. NavigatetotheCompactRIO\manualsdirectory.b. ClicktheOKbuttontoclosethedialogboxandreturnto

theSearchPDFwindow.4. ClicktheSearchbutton.

RefertotheAdobeReaderHelpformoreinformationaboutsearchingallthePDFdocumentsinadirectoryforawordorphrase.

UsingCompactRIO(ScanInterface)UsethisbookasareferenceforinformationaboutusingLabVIEWwithCompactRIOdevices.


CompactRIOChassisPropertiesDialogBoxRight-clickaCompactRIOchassisintheProjectExplorerwindowandselectPropertiesfromtheshortcutmenutodisplaythisdialogbox.UsethisdialogboxtoconfigureaCompactRIOchassis.Thisdialogboxincludesthefollowingcomponents:

Name—Specifiesthenameofthechassis,whichappearsintheProjectExplorerwindow.Youcanusethisfieldtogivethechassisadescriptivename.Type—Specifiesthetypeofchassis.Youcannotchangethisvalue.ProgrammingMode—Youcanspecifytheprogrammingmodeforthechassishere.

ScanInterface—EnablesyoutouseCSeriesmodulesdirectlyfromLabVIEWReal-Time.ModulesthatyouuseinScanInterfacemodeappeardirectlyunderthechassisitemintheProjectExplorerwindow.LabVIEWFPGAInterface—EnablesyoutouseCSeriesmodulesfromLabVIEWFPGAVIs.ModulesthatyouuseinLabVIEWFPGAInterfacemodeappeardirectlyundertheFPGATargetintheProjectExplorerwindow.

NoteChangingtheprogrammingmodewilltakeeffectthenexttimeyoudeploysettingtothechassis.Todeploysettings,right-clickthechassisitemintheProjectExplorerwindowandselectDeployfromtheshortcutmenu.

CompactRIODiscoveryStatusDialogBoxWhenyouaddaCompactRIOcontrollerorchassisoraSingle-BoardRIOdevicetoaLabVIEWproject,LabVIEWfindsallCSeriesmodulesinthenewsystem.ThisdialogboxappearswhenLabVIEWreturnserrorswhilelookingforCSeriesmodulesinstalledinthesystem.Thedialogboxlistsanyerrorsthatoccurduringthediscoveryprocess.TheDescriptionfieldofthedialogboxcontainsadetaileddescriptionofeachtypeoferrorcondition.

CompactRIOErrorCodesI/OvariablescanreturnthefollowingerrorcodesforCompactRIO.

Code Description−65580 TheFPGApersonalityrunningontheRIOtargetdoesnothave

enoughspecialtydigitalresourcestosupportthismodule.−65537 Themodulethatwasdetectedisdifferentthanthemodulethat

wasexpected.Makesuretheslotthemoduleisconfiguredforinsoftwarematchesthephysicallocationofthemodule.

−65407 Toomanyspecialtydigitalslots.InScanInterfacemode,youcanconfigureonlytwoslotsforspecialtydigitalI/O.Ifyouwantmorespecialtydigitalslots,addanFPGAtargetunderthechassistoputthechassisinLabVIEWFPGAinterfacemode.

65000 Unabletomountdrive.Thegivendeviceiseithernotpresentornotrecognizableasamountabledevice.

65001 Nopartitionsfound.Thepartitiontableonthedeviceiscorruptorthedevicehaszeropartitionsonit.

65002 Invaliddrivehandle.Thegivenhandledoesnotrepresentanactivemounteddrive.

65003 Drivealreadymounted.Thegivendeviceisalreadymountedasadrive.

65004 Thechannel,slot,orconnectornumberyouwiredtothemethodinputisinvalid.ChangethemethodinputtomatchtheconfigurationoftheCompactRIOsystem.

65005 TheCSeriesmoduleatthespecifiedlocationdoesnotsupportTEDSorTEDSaccessisnotenabledforthemodule.

65006 Communicationwiththemoduletimedout.ThemoduleisbusyperforminganotheractionorLabVIEWisunabletocommunicatewiththemodule.

65007 NoTEDSsensorwasdetectedonthespecifiedchannel.MakesurethattheCSeriesmoduleandsensorareproperlyconnected.Makesurethespecifiedlocationmatchesthesensorlocation.

65008 CompactRIOdoesnotsupporttheTEDSsensorconnectedtothischannel.

lvioscanhelp.chm::/io_vars.html

65009 ThePXItriggerthatyouhaveselectedtoreserveorunreserveisinvalid.ValidPXItriggersare0through7,inclusive.

65200 DIOLineAccessConflict.Invalidmoduleconfiguration.AsinglephysicalDIOlinecannotbeaccessedbymultipletypesofoutputnodeswhentheNumberofSynchronizingRegisters=0andanyoftheoutputaccessesisinaSingle-CycleTimedLoop.EitherchangethenumberofSynchronizingRegistersto1inthemodule'spropertiesdialog,oraccesstheresourceexclusivelyasaportoranindividualline,notboth.

65201 DuplicateTerminalsInTheSameNode.AnFPGAI/ONodehasduplicateterminals.DeletetheduplicateterminalfromtheI/ONode.

65202 DigitalResourceAccessConflict.ThedigitalI/OresourcecannotbeaccessedinaSingle-CycleTimedLoopfrombothaDigitalOutputfunctionandaDigitalPortOutputfunction.IfyouneedtoaccessthisresourceinaSingle-CycleTimedLoop,pleaseexclusivelyusejusttheDigitalOutputfunctionorDigitalPortOutputfunction,notboth.

65203 ModuleTimebaseConfigurationError.LabVIEWdetectedaninvalidconfigurationforanFPGAI/ONodethatcontainschannelsfromamodulewithaconfigurabletimebase.IfchannelsofmultiplemoduleswithaconfigurabletimebaseareinthesameFPGAI/ONode,makesureyouconfigurethemodulestosharethesametimebase.UsetheCSeriesModulePropertiesdialogboxtoconfigurethemoduletimebase.RefertotheLabVIEWHelpforinformationabouthowtosynchronizemultipleCSeriesmodules.

65204 DigitalResourceAccessConflict.ThedigitalI/OresourcecannotbeaccessedfrombothaDigitalOutputfunctionandaDigitalPortOutputfunctioniftheNeverArbitrateoptionisused.PleasechangethearbitrationoftheDigitalLineand/orDigitalPorttosomethingotherthanNeverArbitrate,orexclusivelyusejusttheDigitalOutputfunctionorDigitalPortOutputfunction,notboth.

65205 InvalidCSeriesModuleConfiguration.Possiblereasonsfortheinvalidconfigurationincludethatthemastertimebasesourcemoduleisunabletobeidentified,themastertimebasesource

moduleisnotconfiguredtoexportitstimebase,orthemastertimebasesourcemoduleisnotavalidmoduletype.UsetheCSeriesModulePropertiesdialogboxtoconfigurethemoduletimebase.RefertotheLabVIEWHelpforinformationabouthowtosynchronizemultipleCSeriesmodules.

65206 Invalidtop-levelclock.Youmustuseatop-levelclockof40MHzwhenusingthismodule.Tochangethetop-levelclock,rightclickonyourFPGAtargetintheLabVIEWProjectExplorerandselectproperties.FromtheTop-LevelClockcategory,choosea40MHzclock.

65207 ThedigitaloutputresourcecannotbeaccessedfrombothaDigitalOutputfunctionandaDigitalPortOutputfunction.PleaseexclusivelyusejusttheDigitalOutputfunctionorDigitalPortOutputfunction,notboth.

65208 ThecRIO-9151RSeriesExpansionchassisnolongersupportssynchronizingmultipleNI9225/9229/923xmodules.UsetheCSeriesModulePropertiesdialogboxtosetthemastertimebasesourceoftheslavemodule(s)totheonboardclock.Right-clickthemoduleintheprojectandselectPropertiestodisplaytheCSeriesModulePropertiesdialogbox.ContactNationalInstrumentstechnicalsupportwithquestionsorconcerns.

65209 YoucannotwritetotheSleepchannelifyouareusingtheScanInterfacewithanymodulesinthesystem.

65400 TheFPGAtargetiseitherrunninganFPGAVIorhasloadedanFPGAVI.

65401 OneormorediscoveredCSeriesmodulesarenotsupportedbythecurrentversionsofLabVIEWandNI-RIO.

65402 AninternalsoftwareerrorinNI-RIOhasoccurred.PleasecontactNationalInstrumentstechnicalsupportatni.com/support.

65403 AnunexpectederroroccurredwhenDiscoveringCSeriesModules.MakesuretheLabVIEWProjectissetupproperly.

65404 Thecontrolleryouselectedhasanunconfigured(0.0.0.0)IPaddress.Ifthecontrollerisonline,configureitinMeasurement&AutomationExplorer(MAX),thenmakesuretheIPaddressin

LabVIEWmatchestheIPaddressinMAX.Ifitisoffline,youcannotdiscoverconnectedtargetsanddevices,butyoucanaddnew,offlinetargetsanddevices.

65405 Modulenotfound.Themodulewhoseconfigurationyoudeployedisnotpresentinthechassis.

65406 Differentmodule.Themodulewhoseconfigurationyoudeployeddoesnotmatchthemodelcurrentlyinthechassis.

65407 Toomanyspecialtydigitalslots.InScanInterfacemode,youcanconfigureonlytwoslotsforspecialtydigitalI/O.Ifyouwantmorespecialtydigitalslots,addanFPGAtargetunderthechassistoputthechassisinLabVIEWFPGAInterfacemode.

65536 Unabletocommunicatewiththemodule.Reinsertthemoduleandcheckconnections.

65537 Themodulethatwasdetectedisdifferentthanthemodulethatwasexpected.Makesuretheslotthemoduleisconfiguredforinsoftwarematchesthephysicallocationofthemodule.

65538 Theoperationfailedtocompleteintime.Makesurethemoduleisnotbusyandthesystemisconfiguredproperly.

65539 Theinputfunctionmissedoneormoredatapoints.Makesuretheloopcanexecuteasfastasthemoduledatarate.

65540 TheI/OResourceisnotincommunicationmode.Youmuststartcommunicationmodebeforeyoucanperformthisoperation.

65541 TheI/OResourceisincommunicationmode.Youmuststopcommunicationmodebeforeyoucanperformthisoperation.

65542 Oneormorechannelshavedetectedanopencurrentloop.Checkthemoduleconnections.

65543 Thepowersupplyvoltagelevelisoutofrange.Checkthesupplyvoltageandthemoduleconnections.

65544 Oneormorechannelsareinovercurrentprotectionmode.Thedeviceconnectedtothechannelispassingmorecurrentthanisallowedthroughthechannel.Checkforpossibleshortsorexternaldevicefailure.

65545 Aninputparameter,oracombinationofparameters,isinvalid.65546 YourapplicationusesafeaturethatisnotsupportedbyyourC

Serieshardware.65547 ToomanyCANbuserrorframesaredetected.Pleasereferto

thedescriptionofthe'ErrorTerminals'formoreinformation.65548 Oneormorechannelsareinovercurrentorovervoltage

protectionmode.Checktheterminalsforanyfaultconditionthatcouldbecausinganout-of-rangevoltageorcurrentonthechannels.

65549 Ageneralorundefinederrorhasoccurred.Verifythatthecardisinsertedproperlyandthatthedoorisclosed.Iftheerroroccursagain,runCHKDSKonthecard.

65550 Aproblemwasfoundinthefilesystem.RemovetheSDcardandrunCHKDSK.

65551 TheSDcardisinusebyRT.TryagainafterRTunmountsthecard.

65552 TheSDcardisnotready.Verifythatthecardisinsertedproperlyandthatthedoorisclosed.

65553 TheSDcarddoorwasopenedwhileafileonthecardwasopen.

65554 Thespecifiedfiledoesnotexistonthecard.65555 TheOpenmethodtriedtoopenanewfileforwriting,butafile

withthesamenamealreadyexistsonthedisk.65556 AReadorWritemethodtriedtoaccessafilethatwasnot

openedintherequiredmode.65558 AClosemethodtriedtocloseafilethatwasnotopen.65559 AmethodtriedtoopenafileontheSDcardwhenafilewas

alreadyopen.Thisdevicesupportsonlyonefileopenatatime.ThiserrorisalsoreturnedwhenanillegalattempttocalltheDeleteFileorGetFileSizemethodismadewhenafileisopenonthecard.

65560 Anattempttoallocatestoragefailedbecausethefilesystemisfull.

65561 Attemptedtoexceedthelimitof512rootdirectoryentries.65562 AReadmethodtriedtoreadbeyondtheendofafile.Thismay

haveoccurredwhenthemethodreadtheendofafileusinga

U16orU32datatypewhentheactualnumberofbytesinthefile(asreportedbythedirectory)wasnotanintegermultipleofthenumberofbytesinthereaddatatype.

65563 AproblemwasfoundwiththeformatoftheSDcard.VerifythattheSDcardisformattedwithavalidFAT16filesystem.

65577 Anopenthermocouplewasdetectedonatleastonechannel.Checkthemoduleconnections.

65578 Thecommon-modevoltageisoutsideofacceptablelimitsonatleastonechannel.Checktheterminalsforanyfaultconditionthatcouldbecausinganout-of-rangevoltageonthechannels.

ConfiguringaProjectforaCompactRIOReconfigurableorIntegratedSystem(ScanInterface)CompletethefollowingstepstoaddacRIO-910xReconfigurableEmbeddedsystemorcRIO-9074Integratedcontrollerandchassissystemtoaneworexistingproject.

ConfiguringaProjectwithConnectedHardwareCompletethefollowingstepstoconfiguretheprojectifyouhavehardwareinstalled.ThecontrollermustbeattachedtoachassiswithCSeriesmodulesinstalled,connectedtothesamesubnetasthehostcomputer,andpoweredon.Refertothecontrolleroperatinginstructionsforinformationaboutinstallingthecontrolleronachassis,connectingthecontrollertoanetwork,andwiringpowertothecontroller.ThecontrolleralsomustbeconfiguredinMeasurement&AutomationExplorer(MAX).RefertotheMeasurement&AutomationExplorer(MAX)HelpforCompactRIOforinformationaboutconfiguringthecontroller.

1. Createanewprojectoropenanexistingproject.2. Right-clicktheprojectrootintheProjectExplorerwindowand

selectNew»TargetsandDevicesfromtheshortcutmenutodisplaytheAddTargetsandDevicesdialogbox.

3. SelecttheappropriatecontrollerunderReal-TimeCompactRIOandclicktheOKbutton.IfyouareusingacontrollerandchassisthataresupportedinScanInterfacemode,theSelectProgrammingModedialogboxappears.

4. IftheSelectProgrammingModedialogboxappears,selectScanInterfaceandclicktheContinuebuttontoputthesystemintoScanInterfacemode.

5. ClicktheDiscoverbuttonintheDiscoverCSeriesModules?dialogboxthatappears.LabVIEWaddsitemsforthecontroller,thechassis,andallinstalledCSeriesmodulestotheproject.LabVIEWalsoaddsI/OvariablestotheprojectforallinstalledCSeriesmoduleI/Ochannels.

6. Right-clickamoduleitemintheProjectExplorerwindowandselectPropertiesfromtheshortcutmenutoconfiguremodule-specificsettingsintheCSeriesModulePropertiesdialogbox.Somemodulesdonothaveanysettingstoconfigureotherthanthemodulenameandchassisslotlocation.ClicktheHelpbuttonontheCSeriesModulePropertiesdialogboxforinformationaboutthemodulesettings.

lvhowto.chm::/Creating_LV_Projects.html

lvdialog.chm::/Add_Targets_Devices.html


ConfiguringaProjectwithOfflineHardwareCompletethefollowingstepstoconfiguretheprojectifyoudonothavehardwareinstalled.

1. Createanewprojectoropenanexistingproject.2. Right-clicktheprojectrootintheProjectExplorerwindowand

selectNew»TargetsandDevicesfromtheshortcutmenutodisplaytheAddTargetsandDevicesdialogbox.

3. ClicktheNewtargetordeviceradiobutton,selectacontrollerthatsupportstheScanInterfaceunderReal-TimeCompactRIO,andclicktheOKbutton.LabVIEWaddsanRTtargetitemforthecontrollertotheproject.

4. Right-clicktheRTCompactRIOTargetintheProjectExplorerwindowandselectNew»TargetsandDevicesfromtheshortcutmenutodisplaytheAddTargetsandDevicesdialogbox.

5. ClicktheNewtargetordeviceradiobutton,selectachassisthatsupportstheScanInterfaceunderCompactRIOChassis,andclicktheOKbutton.LabVIEWaddsachassisitemtotheproject.

NoteIfyouselectedthecRIO-9074Integratedcontrollerinstep3,youmustselectthecRIO-9074Integratedchassisinthisstep.

6. Right-clickthechassisitemintheProjectExplorerwindowandselectNew»CSeriesModulesfromtheshortcutmenutodisplaytheAddTargetsandDevicesdialogbox.

7. ClicktheNewtargetordeviceradiobutton,selectCSeriesModule,andclicktheOKbuttontodisplaytheNewCSeriesModuledialogbox.

8. SelecttheappropriateCSeriesmodulefromtheModuleTypepull-downmenuandclicktheOKbutton.LabVIEWaddsamoduleitemandI/OvariablesforthemoduleI/Ochannelstotheproject.

9. Repeatsteps6through8toaddadditionalCSeriesmodulestotheproject.

10. Right-clickamoduleitemintheProjectExplorerwindowandselectPropertiesfromtheshortcutmenutoconfiguremodule-specificsettingsintheCSeriesModulePropertiesdialogbox.

lvhowto.chm::/Creating_LV_Projects.html



Somemodulesdonothaveanysettingstoconfigureotherthanthemodulenameandchassisslotlocation.ClicktheHelpbuttonontheCSeriesModulePropertiesdialogboxforinformationaboutthemodulesettings.

NewCSeriesModuleDialogBoxRight-clickthechassisintheProjectExplorerwindowandselectNew»CSeriesModulesfromtheshortcutmenutodisplaytheAddTargetsandDevicesonChassisdialogbox.SelectNewtargetordevice,selectCSeriesModule,andclicktheOKbuttontodisplaytheNewCSeriesModuledialogbox.Usethisdialogboxtoselectamodulename,thetypeofmodule,andthechassisslotinwhichthemoduleisinstalled.Thisdialogboxincludesthefollowingcomponents:

Name—SpecifiesthenameoftheCSeriesmodule,whichappearsintheProjectExplorerwindow.LabVIEWassignsadefaultnametothemodulebasedontheslotnumber.Youcanusethisfieldtogivethemoduleadescriptivename.ModuleType—SpecifiesthetypeofCSeriesmoduleyouwanttoaddtothechassisintheProjectExplorerwindow.Location—SpecifiesaslotinthechassisfortheCSeriesmodule.


ReadingfromCompactRIOChannels(ScanInterface)CompletethefollowingstepstoreaddatafromaCompactRIOchannel.

1. ConfiguretheCompactRIOsystem.2. MakesuretheI/Ovariablefortheinputchannelappearsunder

themoduleitemintheProjectExplorerwindow.3. Right-clicktheRTtargetitemforthecontrollerintheProject

ExplorerwindowandselectNew»VIfromtheshortcutmenutoaddanewLabVIEWReal-TimeVItotheCompactRIOsystem.

4. PlaceaTimedStructureontheblockdiagramoftheVI.5. ConfiguretheTimedStructureasneeded.6. PlacetheI/OvariableforthechannelintheTimedStructure.7. Right-clicktheoutputterminaloftheI/Ovariableandselect

Create»Indicator.8. Right-clicktheerroroutterminaloftheI/Ovariableandselect

Create»Indicator.9. RuntheVI.


glang.chm::/Timed_Loop_VIs_and_Func.html

SelectProgrammingModeDialogBoxUsethisdialogboxtoselecttheprogrammingmodeyouwanttostartprogrammingthesystemwith.YoucanchangetheprogrammingmodelaterusingtheCompactRIOChassisPropertiesdialogbox.TheSelectProgrammingModedialogboxappearswhenyouaddachassisthatsupportstheScanInterfacetoyourprojectandyouhavetheLabVIEWFPGAModuleinstalledonthehostcomputer.

ScanInterfaceModeScanInterfacemodeenablesyoutouseCSeriesmodulesdirectlyfromLabVIEWReal-Time.ModulesthatyouuseinScanInterfacemodeappeardirectlyundertheChassisitemintheProjectExplorerwindowandI/OchannelsappearasI/Ovariablesunderthemodules.TouseI/Ovariables,youdraganddropthemtoLabVIEWReal-TimeVIs.InScanInterfacemode,youdonotneedtodoanyLabVIEWFPGAdevelopmentorprogramcommunicationbetweenFPGAandHostVIs.YoualsodonotneedtowaitforVIstobecompiledtotheFPGAbeforedeployingandrunningthem.InScanInterfacemode,LabVIEWprogramstheFPGAontheCompactRIOtargettoworkwiththevariables.


LabVIEWFPGAInterfaceModeLabVIEWFPGAInterfacemodeenablesyoutouseCSeriesmodulesfromLabVIEWFPGAVIs.ModulesthatyouuseinLabVIEWFPGAInterfacemodeappeardirectlyundertheFPGATargetitemintheProjectExplorerwindowandI/OchannelsappearasFPGAI/OitemsundertheFPGATarget.ToaccesstheI/Ochannels,youconfigureFPGAI/ONodesinFPGAVIs.InLabVIEWFPGAInterfacemode,youcanuseLabVIEWFPGAprogrammingtoaddmoreflexibility,customization,anddeterministictimingtoyourapplications.TousetheCompactRIOsysteminLabVIEWFPGAInterfacemode,youmusteitherhavetheLabVIEWFPGAModuleinstalledonthehostcomputer,orhaveaccesstoacompiledbitfilethatyoucandownloadtotheFPGA.Ineithercase,youusetheOpenFPGAVIReferencefunctioninahostVItoaccesstheFPGAVIorbitfile.InLabVIEWFPGAInterfacemode,youcanstillusetheScanInterfaceforsomemodules.DraganddropamoduletotheChassisitemtousetheScanInterfaceforthatmodule,anddraganddropamoduletotheFPGATargetitemtodevelopFPGAVIsforthatmodule.YoumaywanttousethechassisinFPGAInterfacemodeandsomemodulesinScanInterfacemodeif,forexample,youneedmorethantwomodulestodospecialtydigitalfunctions.WhenyoucompiletheFPGAVIs,theresultingbitfiledownloadedtothechassisincludesthelogicneededtocommunicatewithmodulesusingtheScanInterface.YoumustensurethatthebitfileisrunningontheFPGAbeforeaccessingI/Ovariables.

NoteIfthechassisisinLabVIEWFPGAInterfacemode,youmustalwaysusetheOpenFPGAVIReferencefunctiontodownloadacompiledbitfiletotheFPGAbeforeusingtheI/OvariablesofmodulesthataredirectlyundertheChassisitem.

NoteIfthechassisisinLabVIEWFPGAInterfacemode,havingmodulesdirectlyundertheChassisitemusestwoDMAchannels.

lvfpgahosthelp.chm::/LV_FPGA_Host_Help_Title.html

lvfpgahost.chm::/Open_FPGA_VI_Reference.html

lvfpgahosthelp.chm::/FPGA_Reading_DMA.html

SupportedCompactRIOHardware(ScanInterface)ScanInterfacemodesupportsthefollowingCompactRIOhardware.

CompactRIOControllerscRIO-9074IntegratedReal-TimeControllerandChassiscRIO-9012IntelligentReal-TimeControllercRIO-9014IntelligentReal-TimeController

CompactRIOChassiscRIO-9074IntegratedReal-TimeControllerandChassiscRIO-9103ReconfigurableEmbeddedChassiscRIO-9104ReconfigurableEmbeddedChassis

CSeriesModulesAnalogInput

NI9201NI9203NI9205NI9206NI9211NI9213NI9215NI9217NI9219NI9221NI9229NI9233NI9234NI9237NI9239

AnalogOutputNI9263NI9264NI9265

DigitalInputNI9401NI9403NI9411NI9421NI9422NI9423NI9425NI9426NI9435

DigitalOutput

NI9401NI9403NI9472NI9474NI9475NI9476NI9477NI9481NI9485

MotionNI9512NI9514NI9516

UsingtheRIODeviceI/OControlPlacetheRIODeviceI/OcontrolonthefrontpanelofaVI.UsetheI/Ocontrolpull-downmenutoselectaRIOdevice.

SelectingaRIODeviceinaProjectVITargetedtoMyComputerIftheVIispartofaprojectandistargetedtoMyComputer,theI/Ocontrolpull-downmenushowsthefollowingsectionsfromtoptobottom.

RIOdevicesintheprojectLocalRIOdevicesandlocalRIOaliasesBrowse,whichopenstheBrowseRIODevicesdialogboxRecentlyusedRIOdevices

RIOiocontrol.chm::/Browse_RIO_Devices.html

SelectingaRIODeviceinaProjectVITargetedtoanRTControllerIftheVIispartofaprojectandistargetedtoanRTcontroller,theI/Ocontrolpull-downmenushowsthefollowingsection.

RIOdeviceslocaltothecontroller

SelectingaRIODeviceinaNon-ProjectVIIftheVIisnotpartofaproject,theI/Ocontrolpull-downmenushowsthefollowingsectionsfromtoptobottom.

LocalRIOdevicesandlocalRIOaliasesBrowse,whichopenstheBrowseRIODevicesdialogboxRecentlyusedRIOdevices

RIOiocontrol.chm::/Browse_RIO_Devices.html

WritingtoCompactRIOChannels(ScanInterface)CompletethefollowingstepstowritetoaCompactRIOchannel.

1. ConfiguretheCompactRIOsystem.2. MakesuretheI/Ovariablefortheoutputchannelappearsunder

themoduleitemintheProjectExplorerwindow.3. Right-clicktheRTtargetitemforthecontrollerintheProject

ExplorerwindowandselectNew»VIfromtheshortcutmenutoaddanewLabVIEWReal-TimeVItotheCompactRIOsystem.

4. PlaceaTimedStructureontheblockdiagramoftheVI.5. ConfiguretheTimedStructureasneeded.6. PlacetheI/OvariableforthechannelintheTimedStructure.7. Right-clicktheinputterminaloftheI/Ovariableandselect

Create»Control.8. Right-clicktheerroroutterminaloftheI/Ovariableandselect

Create»Indicator.9. RuntheVI.


glang.chm::/Timed_Loop_VIs_and_Func.html

NI9201(ScanInterface)CompactRIO8-Channel,±10V,12-BitAnalogInputModule

ModuleI/OVariablesTouseI/OfromthismoduleinaVI,draganddropI/OvariablesfromtheProjectExplorerwindowtotheblockdiagramoftheVI.TheI/Ovariablesforthechannelsreturncalibratedfloating-pointdatainvolts.


ModuleChannelsTheNI9201hasthefollowingchannels.

Channel DescriptionAIx Analoginputchannelx,wherexisthenumberofthechannel.

FortheNI9201,xis0to7.

CSeriesModulePropertiesDialogBoxUsethisdialogboxtoconfiguretheNI9201.Right-clicktheNI9201intheProjectExplorerwindowandselectPropertiestodisplaythisdialogbox.Youcanconfigurethefollowingoptions.

Name—SpecifiesthenameoftheCSeriesmodule,whichappearsintheProjectExplorerwindow.LabVIEWassignsadefaultnametothemodulebasedontheslotnumber.Youcanusethisfieldtogivethemoduleadescriptivename.ModuleType—SpecifiesthetypeofCSeriesmodule.Youcannotchangethisvalue.Location—SpecifiesaslotinthechassisfortheCSeriesmodule.

HardwareDocumentationRefertotheNI9201/9221OperatingInstructionsandSpecificationstolearnaboutmodulespecificationsandhowtousethemodule.RefertotheCompactRIORelatedDocumentation(ScanInterface)topicforfurtherinformationaboutCompactRIOdocumentation.

NI9203(ScanInterface)CompactRIO8-Channel,±20mA,16-BitAnalogInputModule

ModuleI/OVariablesTouseI/OfromthismoduleinaVI,draganddropI/OvariablesfromtheProjectExplorerwindowtotheblockdiagramoftheVI.TheI/Ovariablesforthechannelsreturncalibratedfloating-pointdatainamps.






Name—SpecifiesthenameoftheCSeriesmodule,whichappearsintheProjectExplorerwindow.LabVIEWassignsadefaultnametothemodulebasedontheslotnumber.Youcanusethisfieldtogivethemoduleadescriptivename.ModuleType—SpecifiesthetypeofCSeriesmodule.Youcannotchangethisvalue.Location—SpecifiesaslotinthechassisfortheCSeriesmodule.ChannelConfiguration—Youcanspecifytheinputrangeforeachchannel.

Channels—Specifiesthechannel(s)forwhichyouwanttoselecttheinputrange.InputRange—Specifiestheinputrangefortheselectedchannel(s)aseither0–20mAor±20mA.

HardwareDocumentationRefertotheNI9203OperatingInstructionsandSpecificationstolearnaboutmodulespecificationsandhowtousethemodule.RefertotheCompactRIORelatedDocumentation(ScanInterface)topicforfurtherinformationaboutCompactRIOdocumentation.

NI9205(ScanInterface)CompactRIO32-ChannelSingle-Ended/16-ChannelDifferential,±200mVto±10V,16-BitAnalogInputModule








Channels—Specifiesthechannel(s)forwhichyouwanttoselecttheinputrange.InputRange—Specifiestheinputrangefortheselectedchannel(s)as±10V,±5V,±1V,or±200mV.TerminalMode—Specifiestheterminalmodefortheselectedchannel(s)asRSE(referencedsingle-ended),NRSE(nonreferencedsingle-ended),orDIFF(differential).


NI9206(ScanInterface)CompactRIO32-ChannelSingle-Ended/16-ChannelDifferential,±200mVto±10V,16-BitAnalogInputModule








Channels—Specifiesthechannel(s)forwhichyouwanttoselecttheinputrange.InputRange—Specifiestheinputrangefortheselectedchannel(s)as±10V,±5V,±1V,or±200mV.TerminalMode—Specifiestheterminalmodefortheselectedchannel(s)asRSE(referencedsingle-ended),NRSE(nonreferencedsingle-ended),orDIFF(differential).


NI9211(ScanInterface)CompactRIO4-Channel,±80mV,24-BitThermocoupleInputModule

ModuleI/OVariablesTouseI/OfromthismoduleinaVI,draganddropI/OvariablesfromtheProjectExplorerwindowtotheblockdiagramoftheVI.TheI/Ovariablesforthechannelsreturncalibratedfloating-pointdatainunitsasspecifiedontheCSeriesModulePropertiesdialogbox.






Name—SpecifiesthenameoftheCSeriesmodule,whichappearsintheProjectExplorerwindow.LabVIEWassignsadefaultnametothemodulebasedontheslotnumber.Youcanusethisfieldtogivethemoduleadescriptivename.ModuleType—SpecifiesthetypeofCSeriesmodule.Youcannotchangethisvalue.Location—SpecifiesaslotinthechassisfortheCSeriesmodule.ThermocoupleType—Specifiesthetypeofthermocoupleconnectedtothechannel.MeasurementUnits—Specifiestheunitsyouwantdatatobereturnedinforthechannel.YoucanselectRawVolts,DegreesKelvin,DegreesCelsius,DegreesFahrenheit,orDegreesRankine.


NI9213(ScanInterface)CompactRIO16-Channel,±78mV,24-BitThermocoupleInputModule







Name—SpecifiesthenameoftheCSeriesmodule,whichappearsintheProjectExplorerwindow.LabVIEWassignsadefaultnametothemodulebasedontheslotnumber.Youcanusethisfieldtogivethemoduleadescriptivename.ModuleType—SpecifiesthetypeofCSeriesmodule.Youcannotchangethisvalue.Location—SpecifiesaslotinthechassisfortheCSeriesmodule.ConversionTime—Determinesthetimeittakestoacquireonepointofdatafromoneormorechannels.YoucanselectHighSpeedorHighResolution.RefertotheNI9213OperatingInstructionsandSpecificationsformoreinformationabouttheHighSpeedandHighResolutionconversiontimes.Channels—Specifiesthechannel(s)forwhichyouwanttoconfiguresettings.ThermocoupleType—Specifiesthetypeofthermocoupleconnectedtothechannel.MeasurementUnits—Specifiestheunitsyouwantdatatobereturnedinforthechannel.YoucanselectRawVolts,DegreesKelvin,DegreesCelsius,DegreesFahrenheit,orDegreesRankine.

HardwareDocumentationRefertotheNI9213OperatingInstructionsandSpecifications,shippedwiththeNI9213,tolearnaboutmodulespecificationsandhowtousethemodule.RefertotheCompactRIORelatedDocumentation(ScanInterface)topicforfurtherinformationaboutCompactRIOdocumentation.

NI9215(ScanInterface)CompactRIO4-Channel,±10V,16-BitSimultaneousAnalogInputModule









NI9217(ScanInterface)CompactRIO4-Channel,24-Bit,100ΩRTDAnalogInputModule







Name—SpecifiesthenameoftheCSeriesmodule,whichappearsintheProjectExplorerwindow.LabVIEWassignsadefaultnametothemodulebasedontheslotnumber.Youcanusethisfieldtogivethemoduleadescriptivename.ModuleType—SpecifiesthetypeofCSeriesmodule.Youcannotchangethisvalue.Location—SpecifiesaslotinthechassisfortheCSeriesmodule.ConversionTime—Specifiesthetimeittakestoacquireonepointofdatafromallchannels.Youcanselect200msor2.5ms.MeasurementUnits—Specifiestheunitsyouwantdatatobereturnedinforthechannel.YoucanselectRawOhms,DegreesKelvin,DegreesCelsius,DegreesFahrenheit,orDegreesRankine.IftheRTDdoesnothaveatemperaturecoefficientofresistance(TCR)of3851,youmustselectRawOhmsandusetheConvertRTDReadingVItoconvertvaluestotemperatureunits.

lvinstio.chm::/conv_rtd_read.html


NI9219(ScanInterface)CompactRIO4-Channel,24-BitUniversalAnalogInputModule

ModuleI/OVariablesTouseI/OfromthismoduleinaVI,draganddropI/OvariablesfromtheProjectExplorerwindowtotheblockdiagramoftheVI.TheI/Ovariablesforthechannelsreturncalibratedfloating-pointdataorBooleandatainunitsdeterminedbythemeasurementmodeyouselectontheCSeriesModulePropertiesdialogbox.Thefollowingtableshowstheunitsforthedifferentmodes.

Mode DataUnitsVoltage VoltsCurrent AmpsResistance OhmsThermocouple VoltsorTemperatureUnitsRTD OhmsorTemperatureUnitsBridge Volts/VoltDigitalIn BooleanOpenContact Boolean



Channel DescriptionCHx Analoginputchannelx,wherexisthenumberofthechannel.



Name—SpecifiesthenameoftheCSeriesmodule,whichappearsintheProjectExplorerwindow.LabVIEWassignsadefaultnametothemodulebasedontheslotnumber.Youcanusethisfieldtogivethemoduleadescriptivename.ModuleType—SpecifiesthetypeofCSeriesmodule.Youcannotchangethisvalue.Location—SpecifiesaslotinthechassisfortheCSeriesmodule.Channels—Specifiesthechannel(s)forwhichyouwanttoconfiguresettings.Mode—Specifiesthemeasurementmodefortheselectedchannel(s).Range—Specifiestherangefortheselectedchannel(s).Type—Specifiesthetypeofthermocoupleconnectedtoachannelinthermocouplemode.MeasurementUnits—Specifiestheunitsfordatatobereturnedfromtheselectedchannel(s)configuredforthermocoupleorRTDmode.Threshold—Specifiestheminimumhighlevelinvoltsfortheselectedchannel(s)configuredforDigitalInmode.Therangeofvalidthresholdvaluesis0–60.ConversionTime—Determinesthetimeittakestoreadallchannelsofthemodule.YoucanselectHighSpeed,Best60HzRejection,Best50HzRejection,orHighResolution.RefertotheNI9219OperatingInstructionsandSpecificationsformoreinformationabouttheseconversiontimes.


NI9221(ScanInterface)CompactRIO8-Channel,±60V,12-BitAnalogInputModule


















NI9233(ScanInterface)CompactRIO4-Channel,±5V,24-BitIEPEAnalogInputModule









NI9234(ScanInterface)CompactRIO4-Channel,±5V,51.2KS/s,24-BitSoftwareSelectableIEPEandAC/DCAnalogInputModule







Name—SpecifiesthenameoftheCSeriesmodule,whichappearsintheProjectExplorerwindow.LabVIEWassignsadefaultnametothemodulebasedontheslotnumber.Youcanusethisfieldtogivethemoduleadescriptivename.ModuleType—SpecifiesthetypeofCSeriesmodule.Youcannotchangethisvalue.Location—SpecifiesaslotinthechassisfortheCSeriesmodule.Channels—Specifiesthechannel(s)forwhichyouwanttoselecttheinputconfiguration.InputConfiguration—Specifiestheinputconfigurationfortheselectedchannel(s).Youcanselectoneofthreemodes:ACcoupled,DCcoupled,orIEPEACcoupled.


NI9237(ScanInterface)CompactRIO4-Channel,24-BitHalf/Full-BridgeAnalogInputModule

ModuleI/OVariablesTouseI/OfromthismoduleinaVI,draganddropI/OvariablesfromtheProjectExplorerwindowtotheblockdiagramoftheVI.TheI/Ovariablesforthechannelsreturncalibratedfloating-pointdatainvolts/volts(channelvoltage/excitationvoltage).






Name—SpecifiesthenameoftheCSeriesmodule,whichappearsintheProjectExplorerwindow.LabVIEWassignsadefaultnametothemodulebasedontheslotnumber.Youcanusethisfieldtogivethemoduleadescriptivename.ModuleType—SpecifiesthetypeofCSeriesmodule.Youcannotchangethisvalue.Location—SpecifiesaslotinthechassisfortheCSeriesmodule.ExcitationVoltage—Specifiestheexcitationvoltageforthemoduletooutputtobridges,orspecifiesexternalexcitation.EnableHalf-BridgeCompletion—Enableshalf-bridgecompletionforindividualchannels.











NI9263(ScanInterface)CompactRIO4-Channel,±10V,16-BitSimultaneousAnalogOutputModule

ModuleI/OVariablesTouseI/OfromthismoduleinaVI,draganddropI/OvariablesfromtheProjectExplorerwindowtotheblockdiagramoftheVI.TheI/Ovariableswritefloating-pointvaluestothechannelsinvolts.



Channel DescriptionAOx Analogoutputchannelx,wherexisthenumberofthe

channel.FortheNI9263,xis0to3.




NI9264(ScanInterface)CompactRIO16-Channel,±10V,16-BitSimultaneousAnalogVoltageOutputModule

ModuleI/OVariablesTouseI/OfromthismoduleinaVI,draganddropI/OvariablesfromtheProjectExplorerwindowtotheblockdiagramoftheVI.TheI/Ovariableswritefloating-pointvaluestothechannelsinvolts.








NI9265(ScanInterface)CompactRIO4-Channel,0–20mA,16-BitSimultaneousAnalogCurrentOutputModule

ModuleI/OVariablesTouseI/OfromthismoduleinaVI,draganddropI/OvariablesfromtheProjectExplorerwindowtotheblockdiagramoftheVI.TheI/Ovariableswritefloating-pointvaluestothechannelsinamps.








NI9401(ScanInterface)CompactRIO8-Channel,TTLDigitalInput/OutputModule

ModuleI/OVariablesTouseI/OfromthismoduleinaVI,draganddropI/OvariablesfromtheProjectExplorerwindowtotheblockdiagramoftheVI.TheI/OvariablesforthechannelsreadandwriteBooleanvalues.



Channel DescriptionDIOx Digitalinput/outputchannelx,wherexisthenumberofthe



Name—SpecifiesthenameoftheCSeriesmodule,whichappearsintheProjectExplorerwindow.LabVIEWassignsadefaultnametothemodulebasedontheslotnumber.Youcanusethisfieldtogivethemoduleadescriptivename.ModuleType—SpecifiesthetypeofCSeriesmodule.Youcannotchangethisvalue.Location—SpecifiesaslotinthechassisfortheCSeriesmodule.InitialLineDirection—Specifiestheinitiallinedirectionofeachfour-channelportasinputoroutput.

SpecialtyDigitalConfigurationYoucanusetheSpecialtyDigitalConfigurationpageoftheCSeriesModulePropertiesdialogboxtoconfigurechannelsofthismoduleforpulse-widthmodulationoutput,counterinput,orquadratureinput.


NI9403(ScanInterface)CompactRIO32-Channel,TTLDigitalInput/OutputModule

ModuleI/OVariablesTouseI/OfromthismoduleinaVI,draganddropI/OvariablesfromtheProjectExplorerwindowtotheblockdiagramoftheVI.TheI/OvariablesforthechannelsreadandwriteBooleanvalues.



Channel DescriptionDIOx Digitalinput/outputchannelx,wherexisthenumberofthe



Name—SpecifiesthenameoftheCSeriesmodule,whichappearsintheProjectExplorerwindow.LabVIEWassignsadefaultnametothemodulebasedontheslotnumber.Youcanusethisfieldtogivethemoduleadescriptivename.ModuleType—SpecifiesthetypeofCSeriesmodule.Youcannotchangethisvalue.Location—SpecifiesaslotinthechassisfortheCSeriesmodule.Channels—Specifiesthechannel(s)forwhichyouwanttoconfiguresettings.InitialLineDirection—Specifiestheinitiallinedirectionoftheselectedchannel(s)asinputoroutput.


NI9411(ScanInterface)CompactRIO6-Channel,DifferentialorTTLDigitalInputModule

ModuleI/OVariablesTouseI/OfromthismoduleinaVI,draganddropI/OvariablesfromtheProjectExplorerwindowtotheblockdiagramoftheVI.TheI/OvariablesforthechannelsreturndataasBooleanvalues.



Channel DescriptionDIx Digitalinputchannelx,wherexisthenumberofthechannel.




SpecialtyDigitalConfigurationYoucanusetheSpecialtyDigitalConfigurationpageoftheCSeriesModulePropertiesdialogboxtoconfigurechannelsofthismoduleforcounterinputorquadratureinput.


NI9421(ScanInterface)CompactRIO8-Channel,24V,SinkingDigitalInputModule










NI9422(ScanInterface)CompactRIO8-Channel,24V,Sinking/SourcingDigitalInputModule










NI9423(ScanInterface)CompactRIO8-Channel,24V,High-SpeedDigitalInputModule










NI9425(ScanInterface)CompactRIO32-Channel,24V,SinkingDigitalInputModule









NI9426(ScanInterface)CompactRIO32-Channel,24V,SourcingDigitalInputModule









NI9435(ScanInterface)CompactRIO4-Channel,AC/DCUniversalDigitalInputModule










NI9472(ScanInterface)CompactRIO8-Channel,24V,SourcingDigitalOutputModule

ModuleI/OVariablesTouseI/OfromthismoduleinaVI,draganddropI/OvariablesfromtheProjectExplorerwindowtotheblockdiagramoftheVI.TheI/OvariableswriteBooleanvaluestothechannels.



Channel DescriptionDOx Digitaloutputchannelx,wherexisthenumberofthechannel.




SpecialtyDigitalConfigurationYoucanusetheSpecialtyDigitalConfigurationpageoftheCSeriesModulePropertiesdialogboxtoconfigurechannelsofthismoduleforcounter-drivenoutputorpulse-widthmodulationoutput.


NI9474(ScanInterface)CompactRIO8-Channel,24V,High-Speed,SourcingDigitalOutputModule





























NI9477(ScanInterface)CompactRIO32-Channel,5–60V,SinkingDigitalOutputModule









NI9481(ScanInterface)CompactRIO4-Channel,FormAElectromechanicalRelayModule









NI9485(ScanInterface)CompactRIO8-Channel,Solid-StateRelay(SSR)Module









MotionModules(ScanInterface)UsethisbookasareferenceforinformationaboutconfiguringCSeriesmotionmodulesontheCSeriesModulePropertiesdialogbox.


NI9512(ScanInterface)One-axisstepperdriveinterfacemodulewithquadratureencoderfeedback

UsetheNISoftMotionController,installedwiththeNI-Motionsoftware,toconfigureaxesforthismodule.RefertotheNI-MotionLabVIEWHelpforinformationaboutconfiguringandusingthismodule.YoucanfindtheNI-MotionLabVIEWHelpbyselectingHelp»NI-MotionLabVIEWHelpfromwithinLabVIEW.

CSeriesModulePropertiesDialogBoxRight-clicktheNI9512intheProjectExplorerwindowandselectPropertiestodisplaythisdialogbox.Youcanconfigurethefollowingoptions.


HardwareDocumentationRefertotheNI9512OperatingInstructionsandSpecificationsandtheNI951xUserManualtolearnaboutmodulespecificationsandhowtousethemodule.RefertotheCompactRIORelatedDocumentation(ScanInterface)topicforfurtherinformationaboutCompactRIOdocumentation.

NI9514(ScanInterface)One-axisservodriveinterfacemodulewithquadratureencoderfeedback





NI9516(ScanInterface)One-axisservodriveinterfacemodulewithdualquadratureencoderfeedback





SpecialtyDigitalConfiguration(ScanInterface)YoucanusetheSpecialtyDigitalConfigurationpageoftheCSeriesModulePropertiesdialogboxtoconfiguresomeCSeriesdigitalinputandoutputmodulesforspecialtydigitalfunctions.Specialtydigitalfunctionsincludecountinput,counter-drivenoutput,pulse-widthmodulationoutput,andquadratureinput.IfthechassisisinScanInterfacemode,youcanconfiguremodulesinuptotwoslotsforspecialtydigitalfunctions.Ifyouwanttoconfiguremorethantwomodulesforspecialtydigitalfunctions,youmustchangetheprogrammingmodeofthechassistoFPGAInterfacemode.YoustillusetheScanInterfaceforthemodulesthatyouconfigureforspecialtydigitalfunctions.Themaximumupdaterateformodulesconfiguredforspecialtydigitalfunctionsisapproximately4mHz.

ConfiguringCounters(ScanInterface)YoucanconfigurechannelsofsomeCSeriesdigitalinputmodulesascounters.Countersmeasuredigitalsignals.Countersareusedcommonlytocountedgesandfortimemeasurements,suchasmeasuringthefrequencyorperiodofasignal.

ConfiguringtheInputFilterYoucanaddaninputfiltertoallinputchannelsofthemodule.Afilterremovesnoise,glitches,andspikesoninputsbyrejectingsignalswithperiodsshorterthanthespecifiedlength.Youcanselectoneofthefollowingoptions.

Disabled—Thehardwaresynchronizesthedigitalinputsusinga4MHztimebase.Pulseslongerthan250nsarealwaysdetected.Pulsesshorterthan250nsmayberejected.1µs—Pulsesshorterthan1µsarerejected.Pulsesbetween1µsand2µsaresometimesdetected.Pulseslongerthan2µsarealwaysdetected.16µs—Pulsesshorterthan16µsarerejected.Pulsesbetween16µsand32µsaresometimesdetected.Pulseslongerthan32µsarealwaysdetected.256µs—Pulsesshorterthan256µsarerejected.Pulsesbetween256µsand512µsaresometimesdetected.Pulseslongerthan512µsarealwaysdetected.4096µs—Pulsesshorterthan4096µsarerejected.Pulsesbetween4096µsand8192µsaresometimesdetected.Pulseslongerthan8192µsarealwaysdetected.

SelectingtheMeasurementModeYoucanselectoneoffourcountermeasurementmodesforeachcounterchannel:CountEdges,PeriodMeasurement,Pulse-WidthMeasurement,orFrequencyMeasurement.

ConfiguringaCountertoCountEdges(ScanInterface)Youcanconfigureacountertocountsignaledgesandperformanactiononanotherchannelwhenthecountreachesaspecifiednumber,theterminalcount.Youcanconfigurethefollowingoptionsforedgecounting.



TerminalCountYoucanspecifyaterminalcountuptoamaximumof232=4,294,967,296.Whenthecounterreachestheterminalcount,itresetsandstartscountingagainfromzero.

TerminalCountOutputModeYoucanselectoneofthefollowingfouractionstoperformonadigitaloutputchannelonanothermodulewhenthecounterreachesthespecifiedterminalcount.

Toggle,ResetOff—Thecounter-drivenchannelstartsintheoffstateandchangesstateeachtimethecounterchannelreachestheterminalcount.Toggle,ResetOn—Thecounter-drivenchannelstartsintheonstateandchangesstateeachtimethecounterchannelreachestheterminalcount.OnPulse—Thecounter-drivenchannelturnsoneachtimethecounterchannelreachestheterminalcountandremainsonuntilthenextcounterincrement.OffPulse—Thecounter-drivenchannelturnsoffeachtimethecounterchannelreachestheterminalcountandremainsoffuntilthenextcounterincrement.

NoteInorderforthecountertodriveanoutputchannel,youmustconfigurethemodulethattheoutputchannelisonforcounter-drivenoutput.Thecounter-drivenoutputchannelhasthesamenumberasthecounterchannelthatdrivesit.Forexample,CTR3drivesDO3onaneight-channeldigitaloutputmoduleinanotherslotinthesamechassis.

CounterEventRisingEdge—Thecountercountsrisingedges.FallingEdge—Thecountercountsfallingedges.AnyEdge—Thecountercountsalledges.

CountDownIfthisboxischecked,thecountercountsbackwardfromtheterminalcount.Whenthecounterreacheszero,itresetsandstartscountingagainfromtheterminalcount.

CounterSourceYoucanselectThisChanneltocountedgesonaninputsignalconnectedtothischannel,orTerminalCountofPreviousChanneltoincrementthecounterwhenthepreviouschannelreachestheterminalcount.Youcanusethisoptiontocreatecounterswithterminalcountslargerthan4,294,967,296.

GateModeYoucanselectAlwaysEnabled,whichmeansthatthecounteralwayscountsedges,orNextChannel,whichmeansthatthecounterincrementsonlywhenthenexthigherchannelisintheonstate.

ConfiguringaCountertoMeasurePeriod(ScanInterface)Youcanconfigureadigitalinputchannelasacountertomeasuretheperiodofasignalconnectedtothechannel.Thecounterreturnsdatainµs.Youcanconfigurethefollowingoptionsforaperiodmeasurementcounter.UsetheMeasurementEdgecontroltospecifyRisingEdgeorFallingEdge.



SelectingtheMeasurementEdgeRisingEdge—Thecountermeasuresthetimefromonerisingedgetothenextrisingedge.FallingEdge—Thecountermeasuresthetimefromonefallingedgetothenextfallingedge.

ConfiguringaCountertoMeasurePulseWidth(ScanInterface)Youcanconfigureadigitalinputchannelasacountertomeasurethepulsewidthofasignalconnectedtothechannel.Thecounterreturnsdatainµs.Youcanconfigurethefollowingoptionsforapulse-widthmeasurementcounter.



SelectingtheMeasurementTypeHighPulse—Thecounterreturnsthetimethattheconnectedsignalishigh.LowPulse—Thecounterreturnsthetimethattheconnectedsignalislow.MostRecent—Thecounterreturnsthelengthsofthemostrecenthighandlowpulses.

ConfiguringaCountertoMeasureFrequency(ScanInterface)Youcanconfigureacountertomeasurethefrequencyofasignalconnectedtothechannel.ThecountercountsthenumberofrisingorfallingsignaledgesduringthelengthoftheFrequencyTimebase,dividesthatnumberbytheFrequencyTimebaseinµs,andreturnsthefrequencyinkHz.Youcanconfigurethefollowingoptionsforafrequencymeasurementcounter.



SelectingtheMeasurementEdgeRising—Thecountercountsrisingedges.Falling—Thecountercountsfallingedges.

SelectingtheFrequencyTimebaseSelectingaFrequencyTimebaseisatradeoffbetweenresolutionandresponsespeed.Ashortertimebaseprovideslowerresolutionbutthedataitreturnsismoreuptodate.Alongertimebaseprovideshigherresolutionbutmaylagbehindormisschangesinsignalfrequency.

NoteForfrequencieslowerthan1kHz,configureacountertomeasureperiodandcalculatethefrequencyusingtheinverseofthemeasurement.

ConfiguringCounter-DrivenOutputs(ScanInterface)Counter-drivenoutputchannelsrespondinapredeterminedwaywhenacounterchannelonadigitalinputmodulereachestheterminalcount.YoumustconfigureadigitalinputchannelonanothermoduleforedgecountingandselectanactionfortheTerminalCountOutputMode.Thenyouselectthedigitaloutputchannelwiththesamechannelnumberandconfigureitasacounter-drivenoutput.Youcanconfigurethefollowingoptionsforacounter-drivenoutput.

DrivefromSlotUsethiscontroltoselectaslotwithadigitalinputmodulethathasatleastonechannelconfiguredtocountedges.RefertotheProjectExplorerwindowandselectaslotthathasachannelcalledCTRx,wherexisthenumberoftheselectedoutputchannel.

DriveChannelfromCounterPlaceacheckinthisboxtodrivetheselectedchannelusingthecounterchannelselectedwiththeDrivefromSlotcontrol.Ifthisboxischecked,LabVIEWremovestheI/OvariablefortheselectedchannelfromtheProjectExplorerwindow.IfanI/OvariablefortheselectedchannelisusedinablockdiagramofaVI,theVIwillnotrun.

ConfiguringaChannelforPulse-WidthModulation(ScanInterface)Youcanconfigureadigitaloutputchanneltooutputasignalwithasetfrequencyandperiod.UseacontrolonthefrontpanelofaVItocontroltheontime(alsocalledtheactivetimeordutycycle)ofthepulse.

ConfiguringaModuleforQuadratureInput(ScanInterface)Youcanconfigureadigitalinputmoduleforquadratureinput.Aquadratureinputreturnspositionandvelocitydatabasedonthevaluesofthreechannels.Inquadratureinputmode,channels0,1,and2aretheA,B,andIndexchannels,respectively,ofQuadrature0.Ifthemodulehassixormorechannels,channels3,4,and5canformasecondquadratureinput,Quadrature1.ACSeriesmodulecanhaveonlytwoquadratureinputs.Quadratureinputsreturndimensionlesspositiondataandvelocityincountspersecond.Youcanconfigurethefollowingoptionsforquadratureinput.



SelectingtheVelocityTimebaseSelectingaVelocityTimebaseisatradeoffbetweenresolutionandresponsespeed.Ashortertimebaseprovideslowerresolutionbutthedataitreturnsismoreuptodate.Alongertimebaseprovideshigherresolutionbutmaylagbehindormisschangesinvelocity.

SelectingtheIndexModeIfyouenableanIndexMode,thepositionisresettozerowhenAandBhavethespecifiedvaluesandtheIndexisintheonstate.

Disabled—Thepositionisneverresettozero.PhaseB0A0—ThepositionisresettozerowhenBandAarebothintheoffstateandtheIndexisintheonstate.PhaseB0A1—ThepositionisresettozerowhenBisintheoffstateandAandtheIndexarebothintheonstate.PhaseB1A0—ThepositionisresettozerowhenBisintheonstate,Aisintheoffstate,andtheIndexisintheonstate.PhaseB1A1—ThepositionisresettozerowhenA,B,andtheIndexareallintheonstate.