Closed Circuiting of two Ball Mills at HIMA, Uganda

\"HIMACement production involves a complex process to ensure consistent cement quality and grade, Hima Cement ensures this by tapping into the power of the Siemens Programmable Logic Controllers (PLC).

IET was contracted by HIMA to design and build the control system. The client wanted to interface a control system to their existing Motor Control Centers (MCC). The automation system was designed using a centralized configuration with an S7 -  400 series PLC. The Human Machine Interface (HMI) is a personal computer running on a Siemens Windows Control Centre (WinCC) programme.

The complete hardware was designed and built at our workshop in Uganda. The system was interfaced to the existing MCC?S under the supervision of IET engineers.

The system was designed to conform to Lafarge standards and handed over to Hima Cement Ltd early this year.

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