川崎钢铁公司水岛厂热轧车间原来控制系统处理速度和容量已达到极限，为实现进一步提高产品质量、自动轧制率及精轧机单人操作，对精轧机控制系统进行全面更新，改用速度快、容量大的可编程序控制器（PLC）和引人电气和计算机（EC）综合CRT操作。更新项目及其特征如下：（1）更 The original control system of Kawasaki Iron & Steel Works hot-rolling plant has reached the limit of processing speed and capacity. In order to further improve product quality, automatic rolling rate and single-end operation of finishing mill, the control system of finishing mill was fully updated and switched to speed Fast, large capacity programmable logic controller (PLC) and integrated electrical and computer (EC) integrated CRT operation. Update the project and its characteristics are as follows: (1) more