Utility, Low-level acquisition (continued) – National Instruments Instrument Driver NI-DMM User Manual
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Low-Level Acquisition (continued)
ICON
TYPE
PARAMETER
VALUE TO SET, COMMENTS
ViSession vi
Session
handle
ViInt32 Maximum
Time
Milliseconds
ViInt32
Number to Fetch
Default = 1
ViReal64[ ]*
Waveform Data
Output
ViInt32* Actual
Number
Output
ViSession vi
Session
handle
ViInt32* Backlog Output
ViInt16* Acquisition
State
Output
ViSession vi
Session
handle
Utility
ICON
TYPE
PARAMETER
VALUE TO SET, COMMENTS
ViSession
vi
Session handle
ViSession vi
Session
handle
ViInt16* Self
Test
Result
Output
ViChar [ ]
Self Test Message
Output
ViSession vi
Session
handle
ViChar [ ]
Instrument Driver
Output
Revision
ViChar [ ]
Firmware Revision
Output
niDMM Revision Query
(niDMM_revision_query)
Returns the revision numbers of the instrument driver and instrument firmware.
niDMM Self Test
(niDMM_self_test)
Performs a self-test on the DMM to ensure that the DMM is functioning properly.
niDMM Reset
(niDMM_reset)
Resets the instrument to a known state and sends initialization commands to the
instrument.
niDMM Abort
(niDMM_Abort)
Aborts a previously initiated measurement and returns the DMM to the Idle state.
niDMM Read Status
(niDMM_ReadStatus)
Returns measurement backlog and acquisition status on the NI 4060 and
NI 4070/4071/4072.
niDMM Fetch Waveform
(niDMM_FetchWaveform)
Acquires an array of data from a waveform on the NI 4070/4071/4072.
NI-DMM Instrument Driver Quick Reference
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