基于PLC的常减压装置和机组安全联锁保护系统

The Interlock Protection System for Atmospheric and Vacuum Distillation Unit Based on PLC

介绍了美国GE Fanuc自动化系列产品90-30可编程控制器在辽化550万t/a常减压装置中的应用,重点阐述了安全联锁保护系统的构成、硬件配置、功能、以及软件设计的实现。该系统自投入使用以来,运行稳定可靠,效果良好。

The application of GE Fanuc series 90-30 PLC made in America for Liaohua 550×10^4 t/a atmospheric and vacuum distillation unit is introduced. The focal point is on the analysis of the constitution ,configuration,functions and software of the interlock protection system. Since it was used, the system is reliable and the effect ie perfect.