National Instruments NI PXI-5422 用户手册

© National Instruments Corporation

4.

Call 

niFgen_SetAttributeViReal64

 to set the gain (niFgen 

property node: Arbitrary Waveform Output»Arbitrary 
Waveform Gain) using the following parameters:

•

vi: The session handle returned from 

niFgen_init

•

channelName: 

"0"

•

attributeID: 

NIFGEN_ATTR_ARB_GAIN

•

value: The Gain value listed in Table 6 for the current iteration

5.

Call 

niFgen_SetAttributeViInt32

 to choose the positive 

full-scale DC waveform (niFgen property node: Arbitrary 
Waveform Output»Arbitrary Waveform Handle) using 
the following parameters:

•

vi: The session handle returned from 

niFgen_init

•

channelName: 

"0"

•

attributeID: 

NIFGEN_ATTR_ARB_WAVEFORM_HANDLE

•

value: The wfmHandle from step 9 of the 

 section (positive full-scale handle)

6.

Call 

niFgen_InitiateGeneration

 (niFgen Initiate Generation VI) 

to initiate the waveform generation using the following parameter:

•

vi: The session handle returned from 

niFgen_init

 

7.

Measure the positive DC voltage out of the NI PXI-5422. Record the 
positive DC voltage out measurement in the Measured Positive 
Full-Scale Value column of Table 6. 

8.

Call 

niFgen_AbortGeneration

 (niFgen Abort Generation VI) 

to abort the waveform generation using the following parameter:

•

vi: The session handle returned from 

niFgen_init

9.

Call 

niFgen_SetAttributeViInt32

 to choose the negative 

full-scale DC waveform (niFgen property node: Arbitrary 
Waveform Output»Arbitrary Waveform Handle) using 
the following parameters:

•

vi: The session handle returned from 

niFgen_init

•

channelName: 

"0"

•

attributeID: 

NIFGEN_ATTR_ARB_WAVEFORM_HANDLE

•

value: The wfmHandle from step 11 of the 

 section (negative full-scale handle)

10. Call 

niFgen_InitiateGeneration

 (niFgen Initiate Generation VI) 

to initiate the waveform generation using the following parameter:

•

vi: The session handle returned from 

niFgen_init