Matlab does not detect TekVISA

2020 4 16
1 个回答
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更新时间：2020 10 24
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0 个投票

Hello All,
I want to connect to the Tektronix MSO54 via USB, using the VISA driver.
For this, I have downloaded and installed the latest version (4.1) of TekVISA. There is no other alternative VISA installation on this PC (like agilent or NI), so no conflict is suspected, the TekVISA really IS the primary VISA.
Yet, I am unable to connect through TekVISA even to a basic existing serial port. The following line of code fails:
visaObj = visa('tek','ASRL6::INSTR');
The error is:
Error using visa (line 444)
Unable to create VISA object. The required drivers may not be installed properly.
Type 'instrhelp visa' for more information.
Also, if I try to create a VISA instrument in the Test&Measurement Tool, I see no VISA driver is available, see picture below. Do I need to do anything else special for the TekVISA to be visible in Matlab? Thanks.

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 采纳的回答

Cristian Berceanu
Cristian Berceanu 2020-4-17

3 个投票

Hello,
I eventually managed to get it to work. I had to uninstall TekVisa 4.1 and instead install the 4.0.4.2 version. It seems not all TekVisa releases are supported by Matlab (or vicevesa,... I am not sure). Anyway, the reason I thought of going for an earlier version (4.0.4) was that the NI-VISA and Other VISA Support from Instrument Control Toolbox support page from Mathworks (https://ch.mathworks.com/de/hardware-support/ni-visa-keysight-visa-tekvisa.html) points to it, rather than to the latest available Tekvisa version (which is 4.1).
Best regards,
Cristian

4 个评论
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Hamidreza Zandi
Hamidreza Zandi 2020-10-7
Hi Cristian,
Thank you very much. That also solved my problem (MATLAB R2020a).
Best Regards,
Hamidreza
Pranjol Sen Gupta
Pranjol Sen Gupta 2020-10-21
Can you please give the link of tekvisa 4.0?
Thanks,
Pranjol
Walter Roberson
Walter Roberson 2020-10-21
https://openchoice-tekvisa.software.informer.com/4.0/ maybe?

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