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National Instruments Corporation
37
NI 446X Calibration Procedure
9.
Configure the timing properties of the generation using the following
function.
10. Configure the onboard memory of the device using the following
function and the array you modified in step 4.
NI-DAQmx Function Call
LabVIEW Block Diagram
Call
DAQmxCfgSampClkTiming
with the following parameters:
taskHandle
:
myTaskHandle
source
:
NULL
rate
:
204800.0
activeEdge
:
DAQmx_Val_Rising
SampleMode
:
DAQmx_Val_ContSamps
sampsPerChanToAcquire
:
1024
NI-DAQmx Function Call
LabVIEW Block Diagram
Call
DAQmxWriteAnalogF64
with the
following parameters:
taskHandle
:
myTaskHandle
numSampsPerChan
:
1024
autoStart
:
FALSE
timeout
:
10.0
dataLayout
:
DAQmx_Val_GroupByChannel
writeArray
:
myDataArray
reserved
:
NULL
sampsPerChanWritten
:
int32PointerReturnValue