Feature 1Integrated design, it uses multiple acquisition devices integrated design, builtin electronic compass, no direction requirements, can be installed horizontally, convenient and simple. 2Ultrasonic principle measurement, it has no angle limit, 360 degrees can obtain omnidirectional wind speed and wind direction data at the same time, and can also be used for noise collection, with a range of up to 30dB~120dB. 3Using dedicated 485 circuit, it has stable communication, convenient to measure the environmental temperature and humidity, the measurement unit is imported from Switzerland, and the measurement is accurate. 4It is widely used in various situations that need to measure environmental temperature and humidity, noise, etc. 5Small size and light weight, it is made of highquality materials, has a long service life, high probe sensitivity, stability and reliability, and has the characteristics of wide measurement range, good linearity, good waterproof performance, and long transmission distance.Item Type: TemperatureandHumidityDetectorProduct Size: Approx. 21x10.5cm / 8.3x4.1inModel: RS-FSXCS-N01-3Name: Small 485 Ultrasonic Integrated Weather StationPower Supply: DC 10-30VFunction: Ultrasonic Wind Speed And Direction + Shutter Box + Temperature and Humidity and Other Functions.Weight: Approx. 619g / 21.8ozMaterial: ABSPower Interface: DC Power Supply 10-30V Power Supply.When using the RTU communication protocol, the format is as follows:Initial Structure: 4 Bytes Of TimeAddress Code: = 1 ByteFunction Code: =1 ByteData Area: =N BytesError Check: = 16-Bit CRC CodeEnd Time Structure: 4 BytesAddress Code: the start address of the transmitter, which is unique in the communication network. (Factory Default 0x01).Function Code: Command function instruction issued by the host, this transmitter only uses function code 0x03. (Read Register Data).Data Area: The data area is the specific communication data. First, pay attention to the high byte of the 16-bit data.CRC Code: Double-Byte Check Code. RS- Company Code FSXCS- Ultrasonic Comprehensive Weather Station N01- 485 Communication (Standard RTU Protocol) 3- Small Ultrasonic Integrated Shell Basic Parameter Maximum Power Consumption RS485 Output 0.7W Accuracy Wind Speed 0.5+2%FS Wind Direction 3 Humidity 3%RH(60%RH,25) Temperature 0.5C (25C) Range Wind Speed 0~40m/s, the initial wind speed is 0.5m/s. Wind Direction 0~359 Humidity 0%RH~99%RH Temperature -40~+80 Long-Term Stability Temperature 0.1/y Humidity 1%/y Response Time Wind Speed 1S Wind Direction 1S Temperature And Humidity 1s Optical Rainfall Parameters Accuracy 5% Resolution 0.1mm Maximum Instantaneous Rainfall 24mm/min Rain Trail 6cm Protection Level IP54 Basic Communication Parameters Code 8-Bit Binary Data Bit 8-Bit Parity Bit Not Support Stop Bit 1 Digit Error Checking Crc (Redundant Cyclic Code) Baud Rate Can be set to 2400bit/s, 4800bit/s, 9600bit/s, the factory default is 4800bit/s. Slave Response Frame Structure Address Code Function Code Number Of Valid Bytes Data Area Data Area Two Data N Area Check Code Low Byte Check Code High Byte 1bit 1bit 1bit 2bit 2bit 2bit 1bit 1bit Host Query Frame Structure Address Code Function Code Register Start Address Register Length Check Code Low Byte Check Code High Byte 1bit 1bit 2bit 2bit 1bit 1bit Common Problems and Solutions:The possible reasons when the device cannot be connected to the PLC or computer are as follows:1. The computer has multiple COM ports and the selected port is incorrect.2. The device address is wrong, or there are devices with duplicate addresses (the factory default value is