Vaisala WINDCAP WS425 Guía de usuario descargar pdf (Pagina 145)

Chapter 5 _________________________________________________________________ Operation

Wind Direction Output

When wind direction is measured, WMT700 sends analog output

as simulated potentiometer output voltage referred to as external

reference voltage. The output is a proportional signal 0 ... 100 %

of the reference voltage representing the wind direction. The

reference voltage must be in the range of 1.0 to 4.0 VDC

(WMS425) or 0…10 VDC (WMT700). The output is 0 VDC at

zero degrees and increases to the reference voltage at 359 degrees.

Figure 50 below shows the output for wind direction. With

WMT700, the wind direction signal appears at pin 13 (gray) of

the adapter cable.

1212-003

Figure 50 Wind Direction Voltage Output with WS425

Cable and Adapter Cable

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Vaisala WINDCAP WS425 Guía de usuario Pagina 145