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Initialize and Close (continued)

ICON

TYPE

PARAMETER

VALUE TO SET, COMMENTS

ViSession

vi

Session handle

Configure

ICON

TYPE

PARAMETER

VALUE TO SET, COMMENTS

ViSession

vi Session 

handle

ViInt32

Function

DC volts, AC volts, and so on

ViReal64

Range

ViReal64

Resolution in Digits

ViSession vi 

Session 

handle

ViInt32

Trigger Count 

Default = 1

ViInt32 

Sample Count 

Default = 1

ViInt32 

Sample Trigger 

Immediate,  External, TTL0,  and  so  on

ViReal64 Sample 

Interval 

Default 

Auto

ViSession

vi Session 

handle

ViInt32 

Function 

Voltage Waveform,  Current Waveform

ViReal64 Range

ViReal64 Rate

ViInt32 WaveformPoints

Measurement Options

ICON

TYPE

PARAMETER

VALUE TO SET, COMMENTS

ViSession vi 

Session 

handle

ViReal64 

Powerline 

Default = 60 Hz 

Frequency

niDMM Configure Powerline Frequency

(niDMM_ConfigurePowerLineFrequency)

Specifies the powerline frequency.

niDMM Configure Waveform Acquisition

(niDMM_ConfigureWaveformAcquisition)

Configures the NI 4070/4071/4072 for waveform acquisitions.

niDMM Configure Multi Point

(niDMM_ConfigureMultiPoint)

Configures the properties for multipoint measurements.

niDMM Configure Measurement Digits

(niDMM_ConfigureMeasurementDigits)

Configures the common properties of the measurement.

niDMM Close

(niDMM_close)

Closes the current session to the instrument.

NI-DMM Instrument Driver Quick Reference

322614f.qxp  11/23/2004  10:13 AM  Page 2

Summary of Contents for Instrument Driver NI-DMM

Page 1: ...name ViBoolean IDQuery NIDMM_VAL_TRUE NIDMM_VAL_FALSE ViBoolean resetDevice NIDMM_VAL_TRUE NIDMM_VAL_FALSE ViString Option String Simulate 0 RangeCheck 1 QueryInstrStatus 1 Cache 1 ViSession vi Refer...

Page 2: ...te ViInt32 WaveformPoints Measurement Options ICON TYPE PARAMETER VALUE TO SET COMMENTS ViSession vi Session handle ViReal64 Powerline Default 60 Hz Frequency niDMM Configure Powerline Frequency niDMM...

Page 3: ...entSource Configures the current source for diode measurements on the NI 4070 4071 4072 niDMM Configure Frequency Voltage Range niDMM_ConfigureFrequencyVoltageRange Specifies the expected maximum ampl...

Page 4: ...e values on the NI 4072 niDMM Perform Open Cable Comp niDMM_PerformOpenCableComp Performs the open cable compensation measurements and returns open cable compensation conductance and susceptance value...

Page 5: ...to either rising edge or falling edge polarity niDMM Configure Meas Complete Dest niDMM_ConfigureMeasCompleteDest Specifies the destination of the Measurement Complete MC signal niDMM Configure Sampl...

Page 6: ...s 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...

Page 7: ...surements 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 Return...

Page 8: ...are 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...

Page 9: ...nal 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...

Page 10: ...put ViInt32 Year Output ViInt32 Hour Output ViInt32 Minute Output niDMM Get Cal Date and Time niDMM_GetCalDateAndTime Returns the date and time of the last calibration performed on the NI 4070 4071 40...

Page 11: ...nts Corporation 11 NI DMM Instrument Driver Quick Reference National Instruments Corporation Initialize Configure Hardware Read Close Session Initiate Fetch DMM Programming Flow 322614f qxp 11 23 2004...

Page 12: ...ther product and company names mentioned herein are trademarks or trade names of their respective companies For patents covering National Instruments products refer to the appropriate location Help Pa...

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