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In the remote wireless monitoring of the equipment room, the universal air conditioner thermostat supporting the MODBUS protocol is connected to the Sensor To Cloud through the RS485 interface, thereby replacing the remote controller with the wireless remote control air conditioner for the air conditioner, and the built-in temperature and humidity, remote operation air conditioner switching machine can be collected. 

For functions such as cooling and heating, it is also possible to set the temperature in conjunction with air conditioning, heating, and opening and closing. When it is necessary to use the air-conditioning scene, and often unattended, the power supply can not be turned on in time after the power is cut off, or a constant temperature range can be maintained. 

The air conditioner needs to be wirelessly and remotely upgraded, and the universal air conditioner thermostat supporting the MODBUS protocol is connected to the Sensor To Cloud through the RS485 interface, thereby replacing the remote controller with the wireless remote control air conditioner for the air conditioner, and the built-in temperature and humidity, remote operation air conditioner can be collected. The function of switching on and off, cooling and heating, etc., 

It can also set the temperature to be linked with air conditioning refrigeration, heating, opening and closing. With this equipment, you can save a lot of manpower and resources.

System Block Diagram：
 Air-conditioner remote monitoring
[Applicable device model]：Sensor To Cloud、D223、S173