SCADA (Supervisory Control and Data Acquisition) systems are a critical component of this automation environment, serving as a key component in monitoring, controlling, and optimizing numerous processes across sectors.  SCADA (Supervisory Control and Data Acquisition) is a system that monitors and controls field equipment at remote sites. SCADA systems are vital because they gather and process real-time data, which helps to maintain efficiency.

This blog gives an approachable introduction of SCADA system design for novices.

SCADA System Design Elements:

•  Supervisory Computer: The supervisory computer is at the core of a SCADA system. This computer houses the software responsible for data collecting, control, and visualization.

•  Remote Telemetry Units (RTUs): A remote telemetry unit, also known as a remote terminal unit (RTU), acts as a local collecting point for sensor reports and orders to control relays.

• SCADA Human Machine Interface (HMI): HMIs give information acquired from various RTUs to the human operator. Because immediate reaction actions to alerts are frequently necessary, this information is shown in the master unit's user interface, which should be clear and actionable.

• A reliable communication network connects the supervisory computer with RTUs or PLCs. Depending on the application, this network can be wired (Ethernet, serial transmission) or wireless (radio, cellular).

SCADA has 3 main functions.

SCADA systems provide a variety of services that enable remote facilities to be properly managed. A SCADA system designs’ basic functions are as follows.

• Data Collection: SCADA data collecting typically requires some type of analogue to digital conversion.

• Data Communication Over a Network: The acquired data is sent to an upstream consolidator or master either spontaneously or in response to a data request.

•  Data Presentation The data obtained is processed, organized, and presented to system operators so that they may make appropriate reaction and control decisions.

These systems enable enterprises to improve efficiency, optimize operations, and make more informed decisions, demonstrating the significance of SCADA technology in today's data-driven environment.