What is SCADA? Discuss the Architecture of SCADA and Its applications.

SCADA, which stands for Supervisory Control and Data Acquisition, is a system used to monitor and control industrial processes, infrastructure, and facility-based operations. It is a type of industrial control system (ICS) that enables operators to gather data from sensors, make decisions based on that data, and control devices remotely. SCADA is widely used across various industries such as manufacturing, energy, water treatment, telecommunications, and transportation to ensure the efficient and safe operation of critical infrastructure.

The architecture of SCADA consists of several key components that work together to provide real-time monitoring and control:

1. Human-Machine Interface (HMI): This is the graphical interface where operators interact with the SCADA system. The HMI displays real-time data collected from field devices and allows operators to monitor processes, set parameters, and make decisions to control the system. It is designed for easy-to-understand visual representations of the system’s operation.

2. Supervisory System: This is the central control system that manages and processes the data collected from field devices. It provides data storage, processing, and analysis functionalities. The supervisory system is responsible ___ ____ ___ _________ ________ ____ ________ ________.
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