question about VI to control keithley 705

[beckhamwise]

Hi

I am using a Keithley 705 with a 7062 card. The reason to use this is to read two capacitances with only one capacitance bridge. Capacitance A is connected to Ch1 and Ch6, and Capacitance B is connected to Ch2 and Ch7.

What I want to do is to read in a rotation, i.e. Close Ch1&6 ->Open Ch1&6 ->Close Ch2&7 -> Open Ch2->7 ...... I found the driver on NI website, which can only scan single channels. Is that any way to scan arbitrary two channels simutaneously? At lease some subVI to close/open arbitrary channels so I can write the rotation structure.

Thank you

Zhigang

[nyc_(is_out_of_here)]

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@beckhamwise wrote:

Hi

I am using a Keithley 705 with a 7062 card. The reason to use this is to read two capacitances with only one capacitance bridge. Capacitance A is connected to Ch1 and Ch6, and Capacitance B is connected to Ch2 and Ch7.

What I want to do is to read in a rotation, i.e. Close Ch1&6 ->Open Ch1&6 ->Close Ch2&7 -> Open Ch2->7 ...... I found the driver on NI website, which can only scan single channels. Is that any way to scan arbitrary two channels simutaneously? At lease some subVI to close/open arbitrary channels so I can write the rotation structure.

Thank you

Zhigang

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If it is indeed possible to do what you say you want to do with this instrument - I don't have this instrument so I don't know if it does or not -, then you need to modify the driver which would involve reading the programmer's manual for this instrument.