Modify register 0x1000, which is the Modbus slave address (ADDRESS).The wind speed value is (hexadecimal, original code) 00 25 = 0x0025 = 37, then the wind speed measuring value is 37/10 = 3.7m/s Slave response frame (hexadecimal): 02 03 02 00 25 3D 9F (7byt) Slave Add Read register 0x0000, that is the measuring value of the wind direction.The default communication parameters are: baud rate 9600bps, one start bit, 8 data bits, no parity, and one stop bit.Įxample: If the returned value is 00 25 (hexadecimal, original code) = 0x0025 = 37, then the wind speed measuring value is 37/10=3.7m/s Modbus Slave Add (ADDRESS) Communication protocol: RS485 interface Modbus protocol.Long signal transmission distance, strong anti-interference ability.Reasonable structure design, good appearance quality.High measurement accuracy, wide range, good stability.Imported bearings, low resistance, low start-up wind speed.Corrosion and high temperature resistance The surface of aluminum alloy material is sprayed with plastic.Compact size, easy to carry, easy to install.This high-cost performance sensor can be widely used in meteorology, ocean, environment, airports, ports, laboratories, industry, agriculture and transportation. When the wind blows the wind cup to rotate, it drives the axle magnet to rotate through the shaft, then the accurate wind speed information can be obtained after calculation. The cable connector adopts corrosion-resistant military plug that ensures the long service life of the product.Ī low-inertia anemometer is used to sense the wind speed. The sensor internal circuit is protected, which makes the sensor have the properties of high strength, weather resistance, anti-corrosion, and waterproof. The shell and wind cups are made of aluminum alloy material and use special mold precision die casting process, featuring small dimension tolerance and high surface accuracy. This wind speed sensor is a professional meteorological instrument used to measure horizontal wind speed within 0~32.4m/s. RS485 Wind Speed Meter/Sensor/Transmitter Wiki - DFRobot
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