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山西兰花科创股份公司化肥分公司于2002年安装投运了MACSⅡ型DCS集散控制系统,其控制站内采用Profi Bus-DP现场总线形式,通讯速率为500 kb/s,控制站与操作站之间采用单一的网络形式。该系统主要用于4台25 t/h锅炉的自动化控制和在线监视。1存在的问题(1)由于控制站与操作站之间采用单一的网络形式,网络极易中断,常造成操作人员无法监视锅炉运行情况。(2)控制站采用ProfiBus-DP现场总线布局。
Shanxi Lanchu Kechuang Company fertilizer branch in 2002 installed and put into operation the MACS Ⅱ DCS distributed control system, the control station using Profi Bus-DP field bus in the form of communication speed of 500 kb / s, between the control station and operating station Use a single web form. This system is mainly used for the automatic control and on-line monitoring of 4 25 t / h boilers. 1 problems (1) As the control station and operating station between the use of a single network form, the network can easily be interrupted, often resulting in the operator can not monitor the operation of the boiler. (2) Control station using ProfiBus-DP fieldbus layout.