【摘要】 提出了一种用可编程控制器及热电偶输入模块实现冷冻干燥过程计算机监控系统的方案 ,并对系统硬件、软件及控制方法进行了说明。运行结果表明了该方案的有效性。更多还原

【Abstract】 This paper discusses the design of a medicine freezing drying process monitoring system based on a personal computer as a main controller,along with a programmable logic controller and a data sampling and processing unit supervised by a thermocouple input module.The paper also pressents the hardware,software and control method of the system.Its running result shows the scheme is effective.更多还原