National Instruments Module SCXI-1125, Процедура калибровки, Страница: 8 / 18

SCXI-1125 Calibration Procedure 8 ni.com
5. Add a voltage channel using the DAQmx Create Virtual Channel VI.
6. Set the SCXI-1125 to a gain setting that corresponds to the current test
point in Table 2 using the DAQmx Channel Property Node. You can
find the AI.Gain property by selecting
Analog Input»General
Properties»Advanced»Gain .
LabVIEW Block Diagram NI-DAQmx Function Call
Call
DAQmxCreateAIVoltageChan
with the
following parameters:
taskHandle :
taskHandle
physicalChannel :
"SC1Mod1/ai X "
†
nameToAssignToChannel :
" myVoltageChannel "
terminalConfig :
DAQmx_Val_Cfg_Default
minVal : -5 V
maxVal : 5 V
units :
DAQmx_Val_Volts
customScaleName :
""
†
Where
X
refers to the channel you are verifying.
LabVIEW Block Diagram NI-DAQmx Function Call
Call
DAQmxSetAIGain
with the following
parameters:
taskHandle :
taskHandle
channel :
""
data :
(gain value for particular test
point) float64