Two-wire transmitter system and communication method thereof

The invention relates to a two-wire transmitter system. The two-wire transmitter system comprises a computer, communication conversion modules, a load resistor, a temperature transmitter module and a power supply, wherein the power supply, the temperature transmitter module and the load resistor are successively connected; the communication conversion modules are connected with two ends of the load resistor or the temperature transmitter module in parallel; the computer is connected to the communication conversion modules via RS232 (recommend standard 232) interfaces. The two-wire transmitter system is high in communication rate and relatively rapid in parameter configuration of the product; the cost of the system is reduced; the requirements of practical application can be effectively met. 本发明涉及种两线制变送器系统，包括计算机、通信转换模块、负载电阻、温度变送器模块和电源，电源、温度变送器模块和负载电阻依次连接，通信转换模块并联在负载电阻或温度变送器模块两端，计算机通过RS232接口与通信转换模块相连接。本发明的通信速率高，对产品的参数配置更快捷，降低了系统成本，可以很好地满足实际应用的需要。