【摘要】 以冷轧薄板生产线为应用背景,提出了一种以西门子S7-400PLC为核心的冷轧机厚度控制系统控制方案。介绍了冷轧机厚度控制系统的运行原理,系统的硬件和软件配置、功能块的组成、数据流信息的处理及厚度控制器的实现方法。实践证明,系统有效提高了冷轧机的轧制精度,性能指标满足实际生产的需要。更多还原

【Abstract】 An automatic gauge control system used in cold rolling mill with Siemens S7-400PLC is presented. The operation principle, the hardware and software, the system configuration, the function assignment as well as the data flow and the program structure of the AGC system are described. Running results show that the control system is reliable in the application and fine in the control. It can meet the requirements of the practical production.更多还原