Get Actual Record Length
- Updated2023-02-17
- 2 minute(s) read
Get Actual Record Length
Returns the actual number of points the digitizer acquires for each channel.
Inputs/Outputs
session in
Handle that identifies the NI-SCOPE instrument session as previously allocated by Initialize With Options .
error in
Error conditions that occur before this node runs.
The node responds to this input according to standard error behavior.
Default value: No error
session out
Reference to the NI-SCOPE instrument session to pass to the next node in the program.
error out
Error information.
The node produces this output according to standard error behavior.
actual record length
Returns the actual number of points the digitizer acquires for each channel.
NI-SCOPE returns the value held in the Horizontal Actual Record Length property.
Determining Waveform Size
After configuring the digitizer for an acquisition, call this node to determine the size of the waveforms that the digitizer acquires. The value is equal to or greater than the minimum number of points specified in Configure Horizontal Timing.
Using with Read and Fetch
Use the value returned by actual record length as the input to numSamples of Read and Fetch.