National Instruments Instrument Driver NI-DMM - Manual (Page 7)

Acquisition (continued)
ICON TYPE PARAMETER VALUE TO SET, COMMENTS
ViSession vi Session handle
ViInt32 Maximum Time Milliseconds
ViInt32 Number to Read Default = 1
ViReal64[]* Waveform Data Output
ViInt32* Actual Number Output
ViSession vi Session handle
ViReal64 Measurement Input
ViBoolean* Over range? Output
Low-Level Acquisition
ICON TYPE PARAMETER VALUE TO SET, COMMENTS
ViSession vi Session handle
ViSession vi Session handle
ViInt32 Maximum Time Milliseconds
ViReal64* Measurement Output
ViSession vi Session handle
ViInt32 Maximum Time Milliseconds
ViInt32 Number to Fetch Default = 4
ViReal64[ ] Measurements Output
ViInt32* Actual Number Output
niDMM Fetch Multi Point
(niDMM_FetchMultiPoint)
Returns an array of values from a previously initiated multipoint measurement.
niDMM Fetch
(niDMM_Fetch)
Returns the value from a previously initiated measurement. You must call
niDMM Initiate
before calling this VI.
niDMM Initiate
(niDMM_Initiate)
Initiates an acquisition.
niDMM Is Over Range
(niDMM_IsOverRange)
Takes a measurement value and determines if the value is a valid measurement or a
value indicating that an overrange condition occurred.
niDMM Read Waveform
(niDMM_ReadWaveform)
Acquires a waveform and returns an array representing the digitized waveform on
the NI 4070/4071/4072.
© National Instruments Corporation 7 NI-DMM Instrument Driver Quick Reference
322614f.qxp 11/23/2004 10:13 AM Page 7