Delta PLC (Programmable Logic Controller) is a versatile industrial automation product line designed for controlling machinery and processes. Known for high reliability, modular design, and seamless integration with HMI/SCADA systems, these PLCs support various communication protocols (Ethernet, RS485) and are widely used in manufacturing, energy, and building automation. Key features include fast processing, expandable I/O modules, and robust programming software for ladder logic and structured text.