Pu-Er Tea automated fermentation system based on PLC and WINCC

This article introduces SIMTIC S7-300 programmable controller and configuration software WINCC6.0 of German Siemens, and the application in the Pu-Er Tea automated fermentation system. The system contains the upper computer and the lower computer. The upper computer is composed of PC and configuration software WINCC6.0.The lower computer is composed of PLC S7-300. Appling the system to Pu-Er Tea fermentation production, we achieved technological transformation of fermentation at Wan Hong Yang Tea Factory. This set of system and equipments have been operated for 13 months at two tea factories safely and stably, and have produced good quality and excellent taste Pu-Er Tea, received a certain economic benefits.