Dynamic Signal Acquisition

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Sambody know what's happenning with my pci6025E, all the analog inputs are in -10V? when i try to read the signal the card don't show any error messages, just

when i try to read the signal the card don't show any error messages, just answer with -10V.
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If you are measuring a floating signal, then you should connect bias resistors to prevent saturation. Check out the board's user manual for a wiring diagram that shows where to connect the bias resistors. http://www.ni.com/manuals.

Also check out this KnowledgeBase:
http://digital.ni.com/public.nsf/3efedde4322fef19862567740067f3cc/7b99932232e8c10b86256297005ea780?OpenDocument
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