As a principal part, manager module uses MSP430F449 etc. to perform many tasks like real timer, information collocation, LCD display, keyset control, and MMC memory. As subordinate parts, the other modules use MSP430F149 ect., thereinto analog and digital modules deals with analog and digital weather signals respectively; communication module has RS-232 and RS-485 interface to receive orders from upper PC or sends data to upper PC.
管理模块作为主模块，采用MSP430F449等元器件，实现时钟读取、信息配置、液晶显示、键盘控制、MMC卡便携式数据存储等功能；其他三个模块作为从模块，分别采用MSP430F149等元器件，其中数字量、模拟量模块分别实现数字量、模拟量气象数据的采集、计算和分析，通信量模块通过RS-485、RS-232等通信接口，接收上位机的命令并对上位机进行数据发布。