Instrument Control (GPIB, Serial, VISA, IVI)

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Basic questions about agilent34420a and drivers

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Hi everybody! I have a few questions.

1) Сan anybody help me and tell where can find driver for Agilent34420A on RS232. On support CD which was together with the device i find only Agilent IO 15 and drivers for agilent 34401 (that in itself is strange)?

2) In certain source code (C#) i saw include one lib - "Ivi.Visa.Interop". Please, explain where it can be found?

3) There any emulators of working devices (agilent/keithley/other)?

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Well, if you were using LabVIEW, you would have noticed Help> Find instrument Drivers so please provide the language that you are using. NI has an IVI-C driver. For other languages. Keysight would have either IVI-COM or IVI-NET.
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I'm using C# in my program, but also i have copy written on C
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The IVI-C driver from NI is at

http://sine.ni.com/apps/utf8/niid_web_display.download_page?p_id_guid=E3B19B3E94B9659CE034080020E748...

You'll have to check with keysight to see if they have a different one.
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Thanks! Its work! And also, how about any emulator of real devices? They exist?
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One of the features of IVI is a simulation mode.
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Oh... Ok. Thanx man!
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