Siemens S7 is a series of programmable logic controllers (PLCs) developed by Siemens, widely used in industrial automation. These devices are designed to control machinery and processes, offering flexibility and reliability in various applications. The S7 series includes different models, such as the S7-1200, S7-1500, and S7-300, each tailored for specific tasks and complexity levels. The Siemens S7 PLCs support various communication protocols, enabling integration with other systems and devices. They are programmed using Siemens' TIA Portal software, which provides a user-friendly interface for creating and managing automation projects. This makes the S7 series a popular choice for engineers and technicians in the automation field.