NI-VNA

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niVNA_ConfigureSweep

niVNA_ConfigureSweep

niVNA_ConfigureSweep(ViSession instrumentHandle, ViConstString channel, ViInt32 numberOfPoints, ViInt32 sweepMode);

Purpose

Configures the number of points for the sweep measurement and the sweep mode.

Supported Devices: NI 5630/5632

Parameters

Input
Name Type Description
instrumentHandle ViSession Identifies your instrument handle.
channel ViConstString Specifies the channel for which this operation is targeted.
numberOfPoints ViInt32 Specifies the number of points to acquire as part of the sweep measurement.

Valid Ranges:

  • NI 5630—1 to 3,201
  • NI 5632—1 to 20,001


Default Value: 201
sweepMode ViInt32 Specifies the mode for the sweep measurement. For the NI 5630, NIVNA_VAL_SWEEP_FREQUENCY is the only supported value.

NIVNA_VAL_SWEEP_FREQUENCY The device performs a frequency sweep.
NIVNA_VAL_SWEEP_POWER The device performs a power sweep.

Return Value

Name Type Description
returnValue ViStatus Returns the status code of this operation. The status code either indicates success or describes an error or warning condition. Examine the status code from each call to an NI-VNA function to determine if an error has occurred.

To obtain a text description of the status code and additional information about the error condition, call the niVNA_GetError function. To clear the error information from NI-VNA, call the niVNA_ClearError function.

The general meaning of the status code is as follows:

Value Meaning
0 Success
Positive Values Warnings
Negative Values Errors
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