NI-DMM Instrument Driver Quick Reference
6
ni.com
Actual Values
ICON
TYPE
PARAMETER
VALUE TO SET, COMMENTS
ViSession
vi
Session handle
ViReal64* autoRange
Value
Output
ViSession vi
Session
handle
ViReal64* Aperture
Time
Output
ViInt32*
Aperture Time
Output (seconds or PLC)
Units
ViSession vi
Session
handle
ViReal64* Measurement
Output
(seconds)
Period
Acquisition
ICON
TYPE
PARAMETER
VALUE TO SET, COMMENTS
ViSession vi
Session
handle
ViInt32 Maximum
Time
Milliseconds
ViReal64*
Measurement Output
ViSession vi
Session
handle
ViInt32 Maximum
Time
Milliseconds
ViInt32
Number to Read
Default = 4
ViReal64 [ ]
Measurements
Output
ViInt32* Actual
Number
Output
niDMM Read Multi Point
(niDMM_ReadMultiPoint)
Acquires multiple measurements and returns an array of measured values.
niDMM Read
(niDMM_Read)
Acquires a single measurement and returns the measured value.
niDMM Get Measurement Period
(niDMM_GetMeasurementPeriod)
Returns the measurement period, which is the amount of time it takes to complete
one measurement with the current configuration.
niDMM Get Aperture Time Info
(niDMM_GetApertureTimeInfo)
Returns the aperture time and aperture time units.
niDMM Get Auto Range Value
(niDMM_GetAutoRangeValue)
Returns the actual range that the DMM is using, even when auto ranging is off.
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