【作者】 常天海； 陈名开； 梁添；

【Author】 Chang Tianhai,Chen Mingkai,Liang Tian (Electronic and Electricity School,South China University of Technology, Guangzhou 510640,China)

【机构】 华南理工大学电子与信息学院；

【摘要】 运用可编程控制器PLC与组态王6.52作为开发平台,并结合电子控制和通信技术,设计并研制出测量空间材料二次电子发射特性的新型系统装置。该系统使用PLC实现真空获取、电子枪脉冲调制以及各种电源启闭的多线程智能控制。组态王软件的应用使开发更容易,提高了系统的控制品质。工业控制计算机通过串行口与PLC通信,提高了数据的自动采集与实时处理能力。更多还原

【Abstract】 An intellectuahzed testing system of the secondary electron emission yield of space materials by integrating the technology of electronic control and communication based on Kingview 6.52 and PLC is described.The system achieves the multithreading intellectuahzed control of vacuum obtaining,pulse modulation of electron gun and on-off of all electrical sources.The application of Kingview 6.52 makes the design of system more convenient and improves the control quality.The communication with PLC through serial interface improves the ability of data collection and real-time disposing of the industry personal computer.更多还原