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Fail state for a channel on the cRIO-9476.

What is the normal fail state on an individual channel on the cRio-9476 high voltage output card. 

 

I'am concerned that they fail like SSR's in Contact-Closed position.

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Willie,

 

Not sure if there is a 'normal' fail state, but the 9476 uses a 'smart' MOSFET Power Switch that shouldn't get stuck in a closed contact situation. Of course, the possiblity is always there, so I will ask around and see if anyone has some more information on this.

Rob K
Measurements Mechanical Engineer (C-Series, USB X-Series)
National Instruments
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