©
National Instruments
9
SCXI-1102/B/C Calibration Procedure
5.
Add a voltage channel using the
DAQmx Create Virtual Channel VI.
6.
Set the gain value to 1 or 100 using the DAQmx Channel Property
Node. You can find the AI.Gain property by selecting
Analog
Input»General Properties»Advanced»Gain
. Use the gain setting
that corresponds to the current test point.
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
: -10 V
maxVal
: 10 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