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National Instruments Instrument Driver NI-DMM manual

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Table of contents for the manual

  • Page 1

    QUICK REFERENCE NI-DMM Instrument Driver Initialize and Close ICON TYPE P ARAMETER VALUE TO SET , COMMENTS 1 ViRsrc resourceName For T raditional NI-DAQ devices, use DAQ:: # , where # is the device number . For NI-DA Qmx devices, the device name is assigned by Measurement & Automation Explorer (MAX). Optionally , for all devices you can use an [...]

  • Page 2

    2 ni.com Initialize and Close (continued) ICON TYPE P ARAMETER VALUE TO SET , COMMENTS ViSession vi Session handle Configure ICON TYPE P ARAMETER VALUE TO SET , COMMENTS ViSession vi Session handle ViInt32 Function DC volts, AC volts, and so on ViReal64 R ange ViReal64 Resolution in Digits ViSession vi Session handle ViInt32 T rigger Count Default [...]

  • Page 3

    Measurement Options (continued) ICON TYPE P ARAMETER VALUE TO SET , COMMENTS ViSession vi S ession handle ViInt32 AutoZero Default = Auto ViSession vi S ession handle ViInt32 ADC Calibration Default = Auto ViSession vi Session handle ViInt32 Offset Compensated Default = Off Ohms ViSession vi Session handle ViReal64 Minimum F requency Hz ViReal64 Ma[...]

  • Page 4

    4 ni.com Capacitance and Inductance ICON TYPE P ARAMETER VALUE TO SET , COMMENTS ViSession vi Session handle ViInt32 Cable Comp T ype ViSession vi Session handle ViReal64 Conductance ViReal64 Susceptance ViSession vi Session handle ViReal64 R esistance ViReal64 R eactance ViSession vi Session handle ViInt32 Max Time ViReal64 Conductance ViReal64 Su[...]

  • Page 5

    5 NI-DMM Instrument Driver Quick Reference T riggers ICON TYPE P ARAMETER VALUE TO SET , COMMENTS ViSession vi Session handle ViInt32 T rigger Source Default = Immediate ViReal64 T rigger Delay Default = Auto ViSession vi Session handle ViSession vi Session handle ViInt32 T rigger Slope ViSession vi Session handle ViInt32 Slope ViSession vi Session[...]

  • Page 6

    NI-DMM Instrument Driver Quick Reference 6 ni.com Actual V alues ICON TYPE P ARAMETER VALUE TO SET , COMMENTS ViSession vi Session handle ViReal64* autoR ange V alue Output ViSession vi Session handle ViReal64* Aper ture Time Output ViInt32* Aperture T ime Output (seconds or PLC) Units ViSession vi Session handle ViReal64* Measurement Output (secon[...]

  • Page 7

    Acquisition (continued) ICON TYPE P ARAMETER VALUE TO SET , COMMENTS ViSession vi Session handle ViInt32 Maximum Time Milliseconds ViInt32 Number to Read Default = 1 ViReal64[]* W aveform Data Output ViInt32* Actual Number Output ViSession vi Session handle ViReal64 Measurement Input ViBoolean* Over range? Output Low-Level Acquisition ICON TYPE P A[...]

  • Page 8

    Low-Level Acquisition (continued) ICON TYPE P ARAMETER VALUE TO SET , COMMENTS ViSession vi Session handle ViInt32 Maximum Time Milliseconds ViInt32 Number to Fetc h Default = 1 ViReal64[ ]* W aveform Data Output ViInt32* Actual Number Output ViSession vi Session handle ViInt32* Bac klog Output ViInt16* Acquisition State Output ViSession vi Session[...]

  • Page 9

    Utility (continued) ICON TYPE P ARAMETER VALUE TO SET , COMMENTS ViInt32 Function DC volts, AC volts, and so on ViReal64 R ange Input ViReal64 R esolution Input ViReal64 Measurement Input ViChar [ ] Mode String Output ViChar [ ] Range String Output ViChar [ ] Data String Output ViSession vi Session handle ViReal64* Digits Output (3.5/4.5/5.5/6.5) V[...]

  • Page 10

    Calibration (continued) ICON TYPE P ARAMETER VALUE TO SET , COMMENTS ViSession vi S ession handle ViString Reserved " " ViReal64* T emperature Output ViSession vi Session handle ViInt32 Area Default = Internal ViReal64* T emperature Output ViSession vi Session handle ViInt32 Area Default = Internal ViInt32* Month Output ViInt32* Day Outpu[...]

  • Page 11

    © National Instruments Corporation 11 NI-DMM Instrument Driver Quick Reference © National Instruments Corporation Initialize Configure Hardware Read Close Session Initiate/Fetch DMM Programming Flow 322614f.qxp 11/23/2004 10:13 AM Page 11[...]

  • Page 12

    National Instruments, NI, ni.com, and LabVIEW are trademarks of National Instruments Corporation. Refer to the T erms of Use section on ni.com/legal for more information about National Instruments trademarks. Other product and company names mentioned herein are trademarks or trade names of their respective companies. For patents covering National I[...]