National Instruments NI PXI-5422 用户手册

9.

Call 

niFgen_CalAdjustMainPathPostAmpGainAndOffset

 

(niFgen Cal Adjust Main Path Post Amp Gain And Offset VI) 
using the following parameters:

•

vi: The session handle returned from 

niFgen_InitExtCal

•

channelName: 

"0"

•

configuration: The Current Configuration value for the current 
iteration from Table 9

•

mainDACValues: An array containing two elements—the values 
(

0

, 

0

) that you set on the main DAC 

•

gainDACValues: An array containing one element—the value 
(

2000

) that you set on the gain DAC

•

offsetDACValues: An array containing two elements—the two 
values (

50000

, 

15000

) that you set on the offset DAC in order

•

measuredOutputs: An array containing two elements—the 
two output voltages (

measurement 0

, 

measurement 1

) that 

you measured in order

1.

Call 

niFgen_WriteBinary16AnalogStaticValue

 (niFgen Write 

Binary 16 Analog Static Value VI) to set the main DAC value using 
the following parameters:

•

vi: The session handle returned from 

niFgen_InitExtCal

 

•

channelName: 

"0"

•

value: 

0

2.

Call 

niFgen_SetAttributeViInt32

 to set the gain DAC value 

(niFgen property node: Calibration»Gain DAC Value) using the 
following parameters:

•

vi: The session handle returned from 

niFgen_InitExtCal

•

channelName: 

"0"

•

attributeID: 

NIFGEN_ATTR_GAIN_DAC_VALUE

•

value: 

2000

3.

Call 

niFgen_SetAttributeViInt32

 to set the offset DAC value 

(niFgen property node: Calibration»Offset DAC Value) using the 
following parameters:

•

vi: The session handle returned from 

niFgen_InitExtCal

•

channelName: 

"0"

•

attributeID: 

NIFGEN_ATTR_OFFSET_DAC_VALUE

•

value: 

32767