PLC及全数字交流调速装置在棒材连轧机上的应用

Application of PLC and Full Digit AC Speed Governing Device in High Speed Bar Continuous Rolling Mill

马钢第二钢轧总厂高速棒材连轧机自动化控制系统采用Siemens公司的S7-400PLC,主传动部分为Siemens公司的6SE70系列及SIMOVERT S全数字交流调速装置,控制系统通过Ethernet、Profibus-DP、MPI网完成系统数据的采集、交换与监控,具有控制性能好、可靠性高等优点,满足了高速棒材轧制线高动态品质、高调速精度的要求。

Siemenss’ S7-400PLC and Siemenss’ 6SE70 series and SIMOVERT S full digit AC speed governing device for the main drive were used in the automation control system for a high speed bar continuous rolling mill of No.2 Steel Making and Rolling Plant of Maanshan Iron Steel Co.Collection,exchange and monitor of data of the control system were accomplished by Ethernet、Profibus-DP、MPI network.The system had the advantage of good control property and high reliability,and met the needs of high dynamic quality and high speed governing precision of the high speed bar rolling line.