力标准机控制系统中PLC与上位机的通讯  

Communication Between PLC and Upper Computer in Control System of Force Standard Machine

作　　者：范小燕[1] 柴继新[1] 徐舰[1] 孙颖[1] 王恩锋[1] 

机构地区：[1]北京长城计量测试技术研究所,北京100095

出　　处：《工业计量》2010年第2期25-27,共3页Industrial Metrology

摘　　要：文章介绍了在力标准机控制系统中,利用通讯接口实现PLC与上位机之间通讯的方法,文中给出了PLC与上位机通讯数据的格式以及相应的程序代码。该通讯方法具有很好的通用性,并已成功地获得了应用。In control system of force standard machine, connnunication interface was adopted to achieve communication between PLC and upper computer. Pattern of communication data and corresponding program code are given. Commonality of the method is good and it has been put into application successively.

关 键 词：S7-200PLC 上位机 通讯 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]