Real-time research on local monitoring station of distributed control system

Ming Li; Tianshu Huang; Tao Sun

doi:10.1117/12.521832

2 September 2003 Real-time research on local monitoring station of distributed control system

Ming Li, Tianshu Huang, Tao Sun

Proceedings Volume 5253, Fifth International Symposium on Instrumentation and Control Technology; (2003) https://doi.org/10.1117/12.521832
Event: Fifth International Symposium on Instrumentation and Control Technology, 2003, Beijing, China

Abstract

The local monitoring station is located in the bottom of Distributed Control System (DCS), which is connected to the producing objects directly and has high demand for real-time. The real-time of the local monitoring station can be improved from the point of communication subnet. Simplifying protocol is an important way to improve the real-time of communication subnet. The local process data of DCS is very short, and each basic controller in local layer is a relatively independent system, so the information that needs to be exchanged between controllers is not large. According to this characteristic, a kind of local monitoring station is designed in this paper, in which the communication mode is a master-slave mode and the protocol used is simplified. This type of communication subnet can perfectly improve the real-time of the local monitoring station.

Citation Download Citation

Ming Li, Tianshu Huang, and Tao Sun "Real-time research on local monitoring station of distributed control system", Proc. SPIE 5253, Fifth International Symposium on Instrumentation and Control Technology, (2 September 2003); https://doi.org/10.1117/12.521832

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