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Effect of different rows of NI SCXI 1130 on each other

Hello

I have NI SCXI-1001 Chassis with NI SCXI-1130 switching slots. What  I am going to do is: generating a signal by a RIGOL Function Generator and switch this signal to excite some piezoelectric sensors and reading the response signals by a Tektronix oscilloscope.

The problem is that when I connect both of the function generator and oscilloscope to different rows of the matrix I see the actuating signal in the response channel of oscilloscope, but when I connect one of the function generator or oscilloscope to the matrix and the other one directly to the piezoelectric there is no problem and I have the correct signal. What can be the problem?

I'll be thankful if you could help me

Regards

Saeed

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Hi,

 

I think you should ask this question in the PXI forum (this forum is for TestStand users).

http://forums.ni.com/t5/PXI/bd-p/270

 

 

Ravi

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Thanks for your help Ravi

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