DCS在合成氨装置上的更新换代

DCS's Revamping for Ammonia Plant in our Plant

简述在合成氨装置上进行DCS改造的原因，介绍两种DCS的网络结构，对更新后的CENTUM-CS系统的可维护功能加以肯定。

The cause of two modifications of CDS for the ammonia plant is explained .Two type network structure of DCS is introduced .It is stated that CENTUM-CS system which is used in the latest revamping is of more advantage in maintenance availability.