Companies building industrial automation systems and robots automate existing equipment, take care of the automated assembly of factory automation infrastructure and assembly lines and robotic arms using state-of-the-art technology. Computer control is usually based on PLC, PC or DCS systems. Programmed robots coordinate different tasks of the manufacturing process that have been carefully engineered, assembled and programmed by automation experts. Implementation of a factory automation infrastructure also involves design, production and on-site commissioning of control panels, control cabinets, sensors, safety components, relays etc.