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conflict between keithley and pickering card

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Hello ,


I am working with a labview program which hardware is composed from a Pickering card 40-535-021 and a keithley 2400 .

i am using visa for communication   

The application  used to work on the older chassis (NIPXI  1042Q )but when we took a newer one(NI PXI 1031) this problem happened.

When the Keithley is on the program can't find the pickering card but when the keithley is off,  it can find it . there is a conflict between the two . it like the program does not  recognize the Pickering card properly.
does any body have an idea ?   

Any help is welcome ! 



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Look to see if the Pickering card is being detected at a different address/location by the processor when the Keithley is ON vs when it's OFF.   You should be able to do it either via NI MAX or a soft front panel of some kind.

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