Utility, Low-level acquisition (continued) – National Instruments Instrument Driver NI-DMM User Manual

Page 8

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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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