MaelOZ Posted September 24, 2012 Report Share Posted September 24, 2012 Hi, Does anyone know what output signal range is emitted from the NRG# 200P wind direction vane? Also, why does it have a 3 wires connection configuration? Can it be integrated in a 2 wires analog data acquisition system? Thanks Link to comment Share on other sites More sharing options...
David Carlson Posted September 24, 2012 Report Share Posted September 24, 2012 The NRG 200P wind direction vane is a potentiometer-based sensor. It delivers a linear ratiometric output relative to excitation voltage and position. As it uses a potentiometer, it requires three connections: (+) excitation, (Sig) signal out, (-) DC common. This can be integrated into a 2-wire analog DAQ system. The signal out and DC common lines will connect to your DAQ directly. The excitation may be obtained from a shared VCC rail in your system (usually 12V, note that the max excitation for the 200P is 15V). Also, whatever you use for excitation must be from a regulated supply. Any variation in excitation will skew your readings. Good luck! Link to comment Share on other sites More sharing options...
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