National Instruments 446 Series - Page 31

© National Instruments Corporation 31 NI 446X Calibration Procedure
8. Create an array of double float of size 2560000 that will be filled with
data. Acquire data using the following function. The acquisition takes
over 1 minute.
9. Stop the task using the following function.
10. Clear the task using the following function.
NI-DAQmx Function Call LabVIEW Block Diagram
Call DAQmxReadAnalogF64 with
the following parameters:
taskHandle:
myTaskHandle
numSampsPerChan: -1
timeout: 100.0
fillMode:
DAQmx_Val_GroupByChannel
arraySizeInSamps: 2560000
reserved: NULL
readArray:
float64ArrayReturnValue
sampsPerChanRead:
int32PointerReturnValue
NI-DAQmx Function Call LabVIEW Block Diagram
Call DAQmxStopTask with the following
parameters:
taskHandle:
myTaskHandle
NI-DAQmx Function Call LabVIEW Block Diagram
Call DAQmxClearTask with the following
parameters:
taskHandle:
myTaskHandle