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5V on NI6123 PCI only outputs 1.4V

5V on NI6123 PCI only outputs 1.4V

‎06-12-2013 07:29 PM

Hi,

 

I just got an NI 6123. While I was testing my board the +5V output suddenly dropped to 1.4V and just stays at 1.4V afterwards.

 

So is the fuse open or something even worse happened? Don't think there's a short circuit on my board but can't guarantee it.

 

Appreciate your replies!

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Re: 5V on NI6123 PCI only outputs 1.4V

‎06-12-2013 08:37 PM

Are you measuring that 1.4V with nothing attached to the board?  If the fuse blew, then you shouldn't be able to read any voltage.  What kind of load did you put on any of the DIO or +5V?

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Re: 5V on NI6123 PCI only outputs 1.4V

‎06-12-2013 09:10 PM

I just attached the DAQ card to a NI test board and measure the voltages directly off the +5V pin and DGND. Nothing else was attached to the board. Damages other than a blown fuse are a big concern to me.

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