And analyzed and settled the problems of control system in debugging and producing . success in change of high - speed have brought large economic and social benefits ! the succeed example of low cost automation are provided for the decision and popularization and implementation of changes for old equipment in pangang corporations 攀钢线材厂线材轧制高速化的改造成功，具有很好的经济和社会效益，特别是该项目的低成本自动化设计方案为自动化控制系统在攀钢及相似企业中旧设备改造时的决策、推广、实施提供了一套较为有效的、可供借鉴的方法和模式。
