Digital Display Modbus RTU RS485 Temperature Humidity Sensor Module External Sensor AM2320 DC 5V 12V 24V

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Description: 

 

- Working Voltage : DC 5-40V 

- Working  Current : Digital tube turn off is 5MA(12V), Digital tube turn on is 18MA(12V) 

- MODBUS RTU protocol,03 Read,06 Write. 

- Serial baud rate : 9600(default),N,8,1 

- By modifying the RS485 address, up to 247 module s can be connected (More than 16 devices, it is recommended to use RS485 repeater)

- Temperature and humidity sensor is AM2320

- The voltage conversion module is DD4012SA,a High-efficiency and Low-heat voltage Converter

- Size : module is 59 X 30 X 18mm,shell is 73 X 37 X 23mm

 

How to Use:

 

1. Display ''Eror'' after power-on

  If ''Eror'' is displayed for a long time, it indicates that the sensor is not connected is damaged

2. After 5 seconds, display the temperature or humidity 

3. Trigger '' KEY ''button to switch the display temperature and humidity.(This parameter is powered down memory) 

4. Press and hold the ''KEY'' button for 3 seconds to turn off or turn on the display.(This parameter is also powered down memory)

 

Note: If the digital tube is turn off after power-on, press and hold the ''KEY'' button until the digital tube is turn on

 

  

Typical Application:

 

Indoor and outdoor temperature and humidity measurement

Temperature and humidity monitoring in vegetable garden 

Weather forecasting, and monitoring 

Temperature and Humidity Monitoring in Computer Room

Warehouse temperature and humidity monitoring

Sensor Parameters:

 

       

Wiring Diagram:
 

 

Package Incldued:

 

1 x Digital Display Modbus RTU RS485 Temperature Humidity Sensor Module