Profibus is a standard for fieldbus communication in industrial automation systems. It allows various devices, such as sensors and actuators, to communicate with each other and with control systems, enabling efficient data exchange and process control. Developed in the 1980s, Profibus supports different communication speeds and network topologies, making it versatile for various applications. It is widely used in manufacturing and process industries, helping to streamline operations and improve productivity by connecting devices from different manufacturers seamlessly.