Design of Distributed Control System of Liquid Fermentation Based on S7-300 PLC and WinCC

Abstract:

In order to improve the automation level for the control system of liquid fermentation of a company in Hubei province, and combine with the requirements of the company, a distributed control system of liquid fermentation is designed. The control system is composed of host computer based on WinCC, and the slave computer is S7-300 PLC of SIEMENS. The fermentation parameters, including rotation speed, temperature, pH, DO, O₂, CO₂, can be real-time online collected, and realize the frequency control of motor and precise control of temperature. The experiment result shows that the system runs stably and credibly, the parameters can be collected accurately and the temperature control accuracy has been achieved to be ±0.1°C.

• Periodical: Applied Mechanics and Materials (Volumes 651-653)
• Pages: 697-702
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.651-653.697
• Online since: September 2014
• Authors: Wei Zhang, Xuan Li, Fang Yang, Jiao Jiao Wang
• Keywords: Distribution, Frequency Control, Liquid Fermentation, PID, S7-300PLC, WinCC

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