摘要
提出了基于PLC的变电站SCADA系统的硬件结构图.结合S7—200系列PLC的特点,制定了通信规约,画出了PLC的主程序流程图,并给出了部分调试结果.
The harcture picture of transformer substation SCADA system based on PLC is presented. The communicate stipulations of an agreement is constituted according as the characteristic of S7-200 PLC. The main procedure flow chat is drawn. The part of debugging result is shown.
出处
《华东交通大学学报》
2002年第1期17-20,共4页
Journal of East China Jiaotong University
