This article designs standard program by which S7 -200 communicates with siemens frequecy control devices based on USS protocol ,which is applied in a sery of automation control system.

 
  • 本文将S7-200与西门子变频调速装置基于USS协议的通信作了标准化的设计,能通用于自动化控制系统中。
今日热词
目录 附录 查词历史