National Instruments Instrument Driver NI-DMM - Manual (Page 9)

Utility (continued)
ICON TYPE PARAMETER VALUE TO SET, COMMENTS
ViInt32 Function DC volts, AC volts, and so on
ViReal64 Range Input
ViReal64 Resolution 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)
ViSession vi Session handle
ViBoolean Message Box Default = Do not show dialog
(Only applies to LV)
ViStatus* Error Code Input/Output
ViChar [ ] Error Message Output
Calibration
ICON TYPE PARAMETER VALUE TO SET, COMMENTS
ViSession vi Session handle
ViSession vi Session handle
ViInt32 Area Default = Internal
ViInt32* Count Output
niDMM Get Cal Count
(niDMM_GetCalCount)
Returns the calibration count for the specified type of calibration.
niDMM Self Cal
(niDMM_SelfCal)
Executes the self-calibration routine to maintain measurement accuracy on the
NI 4070/4071/4072.
niDMM Error Message
(niDMM_error_message)
Takes the error cluster returned by the VIs, interprets it, and returns it as a
user-readable string.
niDMM Get Digits Of Precision
(niDMM_GetDigitsOfPrecision)
Returns the digits of precision calculated from the range and resolution information
specified in niDMM Configure Measurement.
niDMM Format Measurements Absolute
(niDMM_FormatMeasAbsolute)
Formats the measurement to the proper number of displayed digits.
NI-DMM Instrument Driver Quick Reference 9 © National Instruments Corporation
322614f.qxp 11/23/2004 10:13 AM Page 9