How to get mydaq recognize px309 pressure transducer % 3F

It has only 3 wires instead of the usual 4. They are black, red and white and negative excitement, positive excitement and signal respectively. I plugged the black wires and red to an external power supply, the white wire to the myDAQ HAVE. Then I went to labview, opened DQA assisntant - acquisition - tension - ai1. Then I put samples of continuous get ot and drew a graphical indicator and press the run button. Yet, the only signal I get is noise and graph (amplitude time vs) shows no change when pressure is applied.

Have you tried also runs the black wire from the transducer into one of the analog grounds on your MyDAQ? Measures data acquisition potential, without reference to ground the unit will not be able to measure anything.

You can also use an output on the analog MyDAQ to produce the voltage instead of using an external power supply.

I hope this helps.

-Nick-

Tags: NI Products

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