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Instrument Control (GPIB, Serial, VISA, IVI)

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Hex 0xBFFF000E

i am using visa library and i have error
VISA:  (Hex 0xBFFF000E) The given session or object reference is invalid.

in visa write and read....look at attachment

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Message 1 of 4
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The picture does not help at all. You need to provide the VISA Resource Name that you are using. You would use the pull-down of the control to select the resources that are available on your pc.

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Message 2 of 4
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vresource name is com2

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Message 3 of 4
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And did you do what I said and select out from the pull down or did you do something silly like type it in?
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