This document is currently in the preliminary stage, and therefore, device specifications are subject to change without notice.
This device measures wind speed and direction using ultrasonic waves. It transmits data using Modbus RTU communication protocol over the RS-485 standard.
The following table outlines the capabilities of the device.
Onboard sensors
Ultrasonic transceivers Optional temperature sensor Optional accelerometer for 2-axis angle detection
Memory
Historical data for internal statistics Configuration and calibration storage
Microcontroller
STM32 C0 Series MCU, 32-bit ARM Cortex-M0+ with TCXO (Temperature Compensated Crystal Oscillator)
The following table shows sensor characteristics.
Wind speed
±1% @ 15m/s
0.1 m/s
60 m/s
Wind direction
±2° @ 15m/s
0°
359.99°
This table shows the mechanical properties of the device.
Mounting Style
Screw Mount Optional arm with wall and Sigma profile mount
Dimensions
155d x 100h mm
Base Material
ASA (Acrylonitrile Styrene Acrylate) Impact, wear, and UV resistant
Weight
< 200g
Environmental Conditions refer to the physical and atmospheric conditions surrounding the device.
Operating Ambient Temperature
-20°C…+60°C
Relative Humidity
0°C…+30°C: 80% +30°C…+60°C: 50%
Storage
-20°C…+60°C
10%…90% rH
This table indicates the electrical specifications of the device.
Main Supply
DC 5…24V
RS-485
-7…+12V (No internal termination)
Internal Fuse
DC 60V 6A 1206 Case Slow-burning
Absolute maximum ratings indicate the maximum electrical or environmental parameters this device can withstand without damage.
Stresses above the absolute maximum ratings listed in the table may cause permanent damage to the device. These are stress ratings only, and the functional operation of the device under these conditions is not implied. Exposure to maximum rating conditions for extended periods may affect device reliability.
Main Supply
DC 30V
RS-485
-7…+12V
This table lists the communication options of the device.
RS-485
4-Pin connectivity (Power, GND, RS-485 A, RS-485 B)
This device supports the following communication protocols.
Modbus Protocol
