Central control and visualization for wheat flour transport at Rafiki millers

Rafiki Wheat Millers plant in Nairobi, Kenya is developing a flexible, standardized control and process visualization system concept for its bulk transfer system. The system transports flour from storage silos, via feeder bins into transport vehicles.

Implementation of this project is based on the SIMATIC S7-300 PLC and a TP-270 touch panel HMI. The complexity of the project is magnified by the fact that a weighing machine (supplied by a different company) had to be interfaced to the system. The aim is to ensure that only the correct weight of flour is discharged. 

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