节点文献
可编程控制器在铁路信号采集中的应用
Application of PLC in Railway Signal Acquisition
【摘要】 简要介绍了将可编程控制器用于大点数24V交流开关量数据采集的方法,并给出了复用数据采集板原理图及PLC编程的软件结构。
【Abstract】 This paper introduces a new application method of acquiring large points 24V alternating current signals,gives out the multiplexing circuit diagram of the data acquisition board and the softwar structure of programing with ladder type language.
【关键词】 可编程控制器;
分时复用;
二极管矩阵;
数据采集;
【Key words】 LC; multiplexing; two-electrode valve matrix; data acquisition;
【Key words】 LC; multiplexing; two-electrode valve matrix; data acquisition;
- 【文献出处】 铁道学报 ,JOURNAL OF THE CHINA RAILWAY SOCIETY , 编辑部邮箱 ,1996年S2期
- 【分类号】U284
- 【被引频次】2
- 【下载频次】52