基于现场总线的EDPF-NT Plus分散控制系统中DPU离线问题的处理

Treatment for DPU Offl ine in EDPF-NT Plus Distributed Control System Based on Field Bus

基于现场总线的分散控制系统不仅能够满足机组安全及经济性的要求,还具有远程诊断和管理功能。本文简述基于现场总线的EDPF-NT Plus分散控制系统在国电肇庆电厂中的应用情况,并对系统中DPU发生的离线问题进行试验分析,并总结出问题的处理办法。

Distributed control system based on Fieldbus not only meets safe and economic requirements for the units, but also realizes remote diagnosis and management for field equipment. This article introduces applications of EDPF-NT plus distributed control system based on Fieldbus in Guodian Zhaoqing Power Station, and analyses of the test of offline problem of DPU and summarizes the approach to the problem.