【摘要】 以ＧＥ Ｆａｎｕｃ ９０－７０ ＰＬＣ为例，分析了一些常见的ＰＬＣ控制系统冗余方法；从系统结构、软件体系等 方面详细论述了宝钢三期原料场控制系统中的ＰＬＣ热备冗余技术的具体应用。更多还原

【Abstract】 Using the GE Fanuc 90-70 PLC as an example,this paper analyses some normal PLC control sys- tem redundancy methods. From the system structure and software organization, the application of hot standby PLC technology in the control system of Bac Steel Third Phase Raw Material Yard is also discusses in detail.更多还原