Communication system for transmitting flue gas dust removal data through RS485 communication mode

The utility model discloses a communication system for transmitting flue gas dust removal data through an RS485 communication mode, which comprises a monitor communicated with a measuring instrument for collecting dust removal and environmental protection data, and further comprises an RS232-to-485 module in communication connection with an RS232 serial port end of the monitor, the output end of the RS232-to-485 module is connected to the 485 module through a communication cable; the output end of the 485 module is connected to a communication port of a DPU (Data Processing Unit) of the DCS; and the DPU is in communication connection with an operation station of a central control room through the Ethernet. According to the communication system for transmitting flue gas dust removal data in an RS485 communication mode, signals are sent to the DCS from the field monitor through RS485 communication, and the communication system is high in anti-interference capacity, stable in data, easy to operate and implement,