摘要
该文结合茂名石化公司加氢裂化生产过程中的联锁程序控制系统典型实例,较详细地介绍了PLC控制系统的结构特点及硬件、软件的设计方法。
In this paper the structure feature of PLC control system and its hardware and software design methods are introducedo As a typical application, the interlocking control system on hydrocracking process of MPCC is presented.
