本系统是针对材料的疲劳试验和蠕变试验的钠回路的测量和控制而专门研制的。系统由前端从控制机和主计算机两大部分组成,而前端从控制机又是由模拟信号放大电路、模拟数字转换电路、开关量信号输入电路等所构成的数据获取接口电路、温度控制驱动 This system is specially developed for the measurement and control of the sodium loop for material fatigue tests and creep tests. The system consists of two parts, front-end slave controller and host computer, and the front-end slave controller is a data acquisition interface circuit composed of analog signal amplifying circuit, analog digital conversion circuit and digital signal input circuit, and the temperature control driver