Input signal is set to +/-0 .5V when it is connected to an analog input

Hello

I have a difficulty connect an analog source to the analog inputs of my acquisition of data (USB-6215). The analog signal is output operational amplifier through a 10 k resistor. I wore the signal out of the amplifiers is 10V peak, I then move the probe across the 10 k (the analog input terminal) and the signal is clipped to +/-0 .5V. If I reduce the amplitude of the signals of source less than 0, 5V Ridge there is no clipping.

Maybe the analog input range the value +/-0 .5V which is causing this as a form of protection? I don't have a LabView to try to change the input range as I do just the wiring.

Analog source is connected to him HAVE 0 and the ground of the analog source is connected to the GND AI.

Thanks in advance.

J

Joel-

Have you tried to read the data through the data acquisition device?  If that's what you try to do, I'm curious about what we read.

If you have measurement and Automation Explorer, go ahead and open a Panel to test for the unit and see what are your tensions.

Let us know how it goes.

Tags: NI Hardware

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