RIGOL 3 Programming Demos
3-8 DS2000E Programming Guide
3. Open the Block Diagram interface. Right-click on the VISA resource name and you can select
and add the following functions from VISA Palette from the pop-up menu: VISA Write, VISA
Read, VISA Open, and VISA Close.
4. Connect the VISA resource name with the VISA Open. Then, connect the VISA resource name
outputs of all the functions with the VISA resource name and connect the error output with the
error input as shown in the figure below.
5. Add text boxes in the write buffer areas of the VISA Write control and input ":WAV:SOUR CHAN1",
":WAV:FORM BYTE" and ":WAV:DATA?" respectively. The first sets the channel source of waveform
data reading to CH1, the second sets the waveform reading format to BYTE and the last reads the
screen waveform data. Waveform data is read through the VISA Read function which requires users
to input the total number of bytes to be read. In this example, the total number of bytes of waveform
data to be read is less than 2048. Close the VISA resource after the VISA operation is finished.
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