National Instruments 446 Series User Manual

© National Instruments Corporation 29 NI 446X Calibration Procedure
3. If you use C function calls, create a task using the following function.
If you use LabVIEW, skip this step. The task is created in step 4 in
LabVIEW.
You use the object
myTaskHandle in all subsequent NI-DAQmx
function calls.
4. Create an AI voltage channel through NI-DAQmx using the following
function.
NI-DAQmx Function Call LabVIEW Block Diagram
Call DAQmxCreateTask with the following
parameter:
taskHandle:
mytaskHandleReturnValue
LabVIEW does not require this step.
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

National Instruments 446 Series Specifications

General

Brand	National Instruments
Model	446 Series
Category	Measuring Instruments
Language	English