Will there be a problem if i use DO and connect it to Gnd on 6036E DAQ ?

I am trying to use DIO channel 0 as digital output(set at 'high' always) and connect it to analog channel 0. I then plan to use gnd to break the circuit. So, analog input will give me 'high' always except when i gnd it. Will i burn up my DAQ card by grounding DO to Gnd.

Hey Jake,
I would never recommend doing this. The digital lines on the 6036E have no isolation and they would surely burn up if they were driving 5V and tied to ground. This would be exceeding the rated 13mA.
I would suggest using the digital outputs to control an external relay that could be used to switch the line from a 5V external power source or ground. In any case you want to turn off the 5V or disconnect the 5V circuit before pulling any line to ground.
I hope this helps out.
Joshua P.
Application Engineering
National Instruments

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