摘要
一催化主风机组控制系统原来由单元仪表组成,经过10余年的运行后,该厂将其改造为PLC控制系统。较全面地介绍了该控制系统的改造方案,并描述了新系统的配置,实施过程和关键控制的实现策略。
A control system for the main air compressor was consisted of united instruments. After running more than ten years, it has been upgraded to a new control system, the kernel of which is the PLC. The scheme of upgrading system is introduced and system configuration, the executive process and main control solutions are described.
出处
《石油化工自动化》
CAS
2003年第2期85-88,共4页
Automation in Petro-chemical Industry