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5.19
Connecting Prop/Vane or Anemometer/Vane Wind
Sensors
The prop/vane or anemometer/vane wind sensors like the RMYoung wind sensor typically have a
potentiometer for direction and frequency output for speed. The RMYoung connects as shown below.
WS/DIN#1 is used for the frequency as it can handle low-level AC as well as high-level DC pulses for speed.
* A 1.0 MOhm resistor needs to be placed from VREF (or SIGNAL GROUND) to AZ SIG. This ensures that the
value always goes to 355 (or 0 with SIGNAL GROUND) when the potentiometer is in the open region.
Setup two measurements for the RMYoung
–
one for the direction and one for the speed.
Setup for Direction Measurement
Measurement Type: Analog
Analog Type: 0-5A
Equation: X/VREF*355 {converts to degrees}
Setup for Speed Measurement
Measurement Type: Digital
Digital Type: Frequency 1 or Frequency 2 (amplified version only)
DC high or AC low: AC low level (for unamplified RMYOUNG)
Slope:
Summary of Contents for SUTRON XLINK 100
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