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Summary of Contents for JXCT 485
- Page 1 type weather shutter instruction manual JXBS-8001-BYX Ver1.0...
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Page 2: Chapter 1 Product Introduction
Chapter 1 Product Introduction 1.1 Product overview Meteorological shutter is a fixed all-in-one ground automatic observation equipment. The observation items mainly include wind direction, wind speed, temperature, humidity, atmospheric pressure, light intensity, carbon dioxide concentration, PM2.5, PM10, oxygen concentration, ammonia concentration, hydrogen sulfide Meteorological factors such as concentration and noise. -
Page 3: Detection Parameters
resistance. 1.3Detection parameters Technical Measuring Resolution Precision unit Parameter range ℃ temperatu -40-80 ±0.2 humidity 0-100 ±3 Wind 0-60 ±0.3 speed wind 16direction 1direction direction 0-5000 ±50+3% PM2.5 0-999 ±10F.s Ug/m3 PM10 0-999 ±10F.s Ug/m3 Atmosphe 10-1200 0.01 ±0.1 mbar pressure Illuminan 0-200000... - Page 4 oxide Sulfur 0-20 0.01 ±3F.s dioxide 1.1 System parameters paramet range System 12-24V power supply RS485 communi cation Operatin -40-70℃ temperat Working 0-95%RH humidity condensation...
- Page 5 1.1 System framework diagram Chapter 1 Hardware Connection 1.1 Inspection before equipment installation Please check the equipment list before installing the equipment:...
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Page 6: Interface Description
1.1 Interface description The power interface is a wide-voltage power input that can be 12-24V. When wiring the 485 signal line, pay attention to the A/B two lines can not be reversed, and the address of multiple set devices on the bus can not conflict. - Page 7 Thre Description colo Power is positive（12- 24VDC） supp blac Power negative yell 485-A icati Blue 485-B...
- Page 8 The factory default provides 0.6 meters long wire, customers can extend the wire as needed or wire in order. 1.1 Installation matters The equipment is fixed by three mounting screws at the bottom. Customers can use screws to fix the louver equipment. The fixing holes are located as shown in the figure below.
- Page 9 At the same time, please pay attention to the following precautions: 1. Avoid installing in areas that are easy to transfer heat and will directly cause a temperature difference with the area to be measured, otherwise the temperature and humidity measurement will be inaccurate.
- Page 10 After connecting the sensor to the computer through USB to 485 and supplying power, you can see the correct COM port in the computer (check the COM port in "My Computer — Properties—Device Manager—Port"). As shown in the figure above, your serial port...
- Page 11 485 bus . Please note that you need to ensure that there is only one sensor on the 485 bus when using the software to automatically obtain it.
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Page 12: Chapter 2 Communication Protocol
pressure sensor for atmospheric pressure sensor ", the illuminance sensor selects "illuminance 20W", Oxygen sensor selects "Oxygen Transmitter", other sensors select the default "No other sensor". 1.1 ID1.1 Modify the baud rate and device ID When the device is disconnected, click the device baud rate and set address in the communication settings to complete the related settings. - Page 13 Address code = 1 byte Function code = 1 byte Data area = N bytes Error check = 16-bit CRC code Time to end structure ≥ 4 bytes Address code: It is the function indicator of the transmitter. This transmitter only uses the function code 0x03 (read register data).
- Page 14 0000H 40001 humidity 0.1%RH 0001H 40002 temperature 0.1℃ 0002H 40003 Soil moisture 0.1%RH 0003H 40004 Soil temperature 0.1℃ 0004H 40005 PM2.5 1ug/m3 0005H 40006 CO2concentration 1ppm 0006H 40007 Gas concentration 0.1ppm 0007H 40008 High illuminance 1Lux 0008H 40009 Low illumination 1Lux 0009H 4000a...
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Page 15: Quality Assurance
The host polling interval and waiting time for response are too short, and both need to be set above 200ms. ⚫ The 485 bus is disconnected, or the A and B wires are connected reversely. ⚫ There are too many devices or the wiring is too long. - Page 16 You should supply power nearby, add a 485 booster, and add a 120Ω terminal resistance. ⚫ USB to 485 driver is not installed or damaged ⚫ Equipment damage 1.2 Warranty and after-sales The warranty clauses follow the sensor after-sales clauses of Weihai Jingxun Changtong Electronic Technology Co., Ltd.,...
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