I am unable to connect tektronix AFG3101C(functon genertor) with matlab.

I have tried to connect through instument control but it is showing no instrumet is connected although my instrumenconnected through tekvisa.

Answer 1

[Sivapriya Srinivasan]

Hi Azim,

I understand you are experiencing issues connecting your instrument through instrument control in MATLAB,even though it is successfully connected using TekVisa

You can try the following ways to resolve the issue:

1. Verify instrument connection: Double-check that your instrument is properly connected to your computer and powered on. Ensure that the connection is stable and secure.
2. Check instrument compatibility: Confirm that your instrument is compatible with the Instrument Control Toolbox in MATLAB. Some instruments may require additional drivers or specific configurations to work with MATLAB.
3. Install instrument drivers: Install the necessary instrument drivers for your specific instrument. These drivers provide the communication interface between the instrument and MATLAB. Visit the manufacturer's website or contact their support for the appropriate drivers.
4. Configure the instrument interface in MATLAB:

• Open the Instrument Control Toolbox in MATLAB.
• Go to "Home" -> "Environment" -> "Preferences" -> "Instrument Control Toolbox".
• Check if the correct VISA resource string is selected for your instrument. If not, update it with the appropriate resource string.

1. Restart MATLAB and reconnect
2. Update TekVISA and MATLAB: Make sure you have the latest versions of MATLAB and TekVISA installed. Updates often include bug fixes and improvements that can help resolve connection issues.. Outdated versions may have compatibility issues with MATLAB.
3. Verify that the address matches the instrument's actual address.Ensure that the instrument's address is correctly specified in your MATLAB code.

By following these troubleshooting steps you should be able to resolve the issue and establish a successful connection between your instrument and MATLAB through Instrument Control.

You can refer to this documentation for more assistance:NI-VISA and Other VISA Support from Instrument Control Toolbox - Hardware Support - MATLAB & Simulink (mathworks.com)

Hope this helps!