Instrument Control (GPIB, Serial, VISA, IVI)

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Screen capture of Tektronix MSO4104B using LabVIEW

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thanks for your help,but it didn't work out yet.

I configure everything same with you except the connect interface(ethernet),but when I send out HARDCOPY START command,receiving nothing from the scope.what else can i do to word it out ?

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Message 41 of 49
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I suggest going to Tektronix Technical Support for an answer. See here:

 

http://www.tek.com/webform/technical-support-request

 

Please let us know if you find a solution!

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Message 42 of 49
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Besides contacting tek, your first approach is the manual. Verify each command is valid. Second, try the commands in the VISA test panels before writing any code. Third, if s command does not work the way you think it should, do an ERR? query and check the scope of it detected an error.
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Message 43 of 49
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I second what Dennis said.

 

To clarify: open up NI Measurement and Automation Explorer (MAX) and verify that the instrument is being detected by MAX. If it is, then open up the VISA test panel, select the Input/Output icon at the top, then enter the associated SCPI commands and check for valid returned data.

 

You can also open the NI I/O Trace program and watch what is being sent to and received from an instrument, which I find quite helpful sometimes.

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Message 44 of 49
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hello

your solution is interesting , but being beginner somehow has access

all the functions included can you help me

thank you

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Message 45 of 49
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Allbig,

 

We have a pretty active community here at NI. I can see that the post you commented on hasn't been active for a couple of years. You might get a few messages but I would advise you make a new post with the same information with a link to this post so more people will be able to see it and add insight on your issue or gain knowledge from it.

 

Regards,

 

Ali S.
Applications Engineering
National Instruments

 

Regards,

Ali S.
Applications Engineering
National Instruments
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Message 46 of 49
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@ali.s wrote:

Allbig,

 

We have a pretty active community here at NI. I can see that the post you commented on hasn't been active for a couple of years. You might get a few messages but I would advise you make a new post with the same information with a link to this post so more people will be able to see it and add insight on your issue or gain knowledge from it.


The discussion was already being done here: http://forums.ni.com/t5/LabVIEW/OSCILLOSCOPE-PICTURE-IN-LABVIEW/m-p/3303313#U3303313


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Message 47 of 49
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It works great!!  Thanks a bunch guys.

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Message 48 of 49
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Hello,

Do you know how to freeze the scope screen? because I want to read the data after an excitation signal off. The picture at below is part of the code. If to read the scope data directly, there is a time delay between channels.

image.png

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Message 49 of 49
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