Siemens SIMATIC is a comprehensive range of programmable logic controller (PLC) and industrial automation systems developed by Siemens for controlling machines and processes in manufacturing. The SIMATIC series includes PLCs, human-machine interfaces (HMIs), industrial PCs, and software for engineering, visualization, and manufacturing execution, such as the SIMATIC S7 PLC family and TIA Portal software, all designed to enhance productivity and flexibility in industrial environments.