National Instruments 446 Series - Page 16

NI 446X Calibration Procedure 16 ni.com
4. Create an AI voltage channel through NI-DAQmx using the following
function.
5. Modify the AI voltage channel property using the following functions.
NI-DAQmx Function Call LabVIEW Block Diagram
Call DAQmxCreateAIVoltageChan with the
following parameters:
taskHandle:
myTaskHandle
physicalChannel: dev1/ai0
nameToAssignToChannel: ""
terminalConfig: DAQmx_Val_PseudoDiff
minVal: -10.0
maxVal: 10.0
units: DAQmx_Val_Volts
CustomScaleName: NULL
NI-DAQmx Function Call LabVIEW Block Diagram
Call DAQmxSetAIGain with the
following parameters:
taskHandle:
myTaskHandle
channel: dev1/ai0
data: -20.0
Call DAQmxSetAICoupling with the
following parameters:
taskHandle:
myTaskHandle
channel: dev1/ai0
data: DAQmx_Val_DC