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How many channels are on the oscilloscope?

Question asked by flanguasco on Dec 17, 2011
Latest reply on Dec 17, 2011 by bret

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Hi all,
reading the "Agilent InfiniiVision 3000 X-Series Oscilloscopes Programmer's Guide" document I couldn't find an easy way to get the number of the oscilloscope channels (2 or 4).

What I do now is to send a command to the channel #4 (e.g. myScope.WriteString ":CHANnel4:DISPlay 1") and, if I get an error, to assume that the oscilloscope is a two channels only.

For sure there should be a better way but... what?

Ciao and many season greetings.

Franco

Web: http://www.flanguasco.org

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bret Dec 17, 2011 7:00 PM
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There is no documented way to my knowledge to getting this data in the programming guide. What you did is also one of the methods that I've used before. Another method that I know of is to parse the *IDN? string to get the model number. It is comma-separated, so just pick out the model number. Then, the last digit in the model number, say ...3054... shows the analog channel count (4 channels). A 3012 for example would be a 2-channel.

But your method is probably the most generic, as it works for Digital and Math channel as well.
--Bret
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How many channels are on the oscilloscope?

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