浅析西门子S7-300PLC系统时钟在自动化控制系统中的应用  

Simple analysis applications of Siemens S7-300PLC system clock in automation control system

作　　者：罗时俊 丁勇杰 Luo Shijun;Ding Yongjie(JAC Heavy Duty Commercial Vehicle Co.LTD,Anhui Hefei 230041)

机构地区：[1]安徽江淮汽车集团股份有限公司重型商用车公司

出　　处：《汽车实用技术》2020年第1期67-73,144,共8页Automobile Applied Technology

摘　　要：西门子S7-300PLC系统时钟在自动控制系统中的应用非常广泛,但S7-300PLC系统时钟的现场应用程序设计比较复杂。文章针对S7-300PLC系统时钟的应用进行了详细的分析。并从S7-300PLC系统时钟的设置方法,S7-300PLC系统时钟读取方法以及S7-300PLC系统时钟的数据类型等方面进行讲解。同时通过工业现场实例结合SIMATIC Wincc flexible 2008对S7-300PLC系统时钟的应用进行分析,希望能为相关专业技术人员提供参考。The application of the Siemens S7-300 PLC system clock is extremely widespread in automatic control system, but the S7-300 PLC system clock is quite complex in the application of the field programming. This article has carried on the detailed analysis in view of the S7-300 PLC system clock application. And explanation the plc system clock from the method of set the S7-300 PLC system clock, the S7-300 PLC system clock’s reading method to S7-300 PLC system clock’s data types.Meanwhile, analyse the application of S7-300 PLC system clock through the industry scene example to unifies SIMATIC Wincc flexible 2008, hoped can provide the reference for the correlation professionals.

关 键 词：西门子 S7-300PLC 系统时钟 自动化控制系统 自动化 西门子PLC 

分 类 号：U462.1[机械工程—车辆工程]