摘要：本文主要介绍了冶金行业冷轧钢卷包装机组的控制系统及其软硬件结构，并描述了软件系统功能。关键词：PLC；PROFIBUS-DP；控制Abastract：The paper introduces that the application of PLC control system is dealt with coil packing line in metallurgy enterprise and analysed the software and hardware structure of
