Abstract：This article describes the significance of communication system which is applied to automatic weather station signal simulator and the appropriate means of communication is selected based on the characteristics of the signal simulator. The communication protocol and a hardware circuit which is used for the anti-interference reason is also proposed. According to the system, PC control software is designed under the environment of Delphi. Tests and practical application results show that the communication between the PC and the automatic weather station signal simulator is reliable and stable and it meets the design requirements. The communication system has a good prospect in the automation control systems and intelligent instruments.
2011, Vol. 28 
