PLC - HMI - MMI - SCADA System is engineered with up-to-date electronic technology in order to ensure its excellent functional efficiency. It is used in hydroelectric power station, power plants, transformer substation for the purpose of protecting devices as well as computer communication interface. PLC - HMI - MMI - SCADA System utilizes networked data communications, computers and graphical interfaces for high-level process management, but utilizes other peripheral devices like discrete PID controllers & programmable logic controllers to interface to the machinery or process plant.