大型化工装置控制系统的升级改造与互联

Upgrade and Interconnection of Control System of Large Scale Chemical Plant

介绍大型化工装置控制系统的升级改造全过程,着重阐述通过三层交换机实现各系统之间互联的过程,达到系统升级、扩容和装置互联的各种要求,提高了全装置的可靠性和可操作性。

The upgrade process of control system of large chemical plant is introduced. The interconnection among each system through three layer switch is discussed in detail. After upgrade, the system meet the requirement of upgrade, expansion and device interconnection of the system and the stability and maneuverability of the device are improved.