The Siemens touch screen is powerful, versatile, and widely applied ---- The MicroMaster440 is a new generation of multi-functional standard frequency converter that can be widely used. It adopts high-performance vector control technology, providing high-torque output at low speeds and excellent dynamic characteristics. Meanwhile, it possesses superior overload capacity to meet a wide range of application scenarios. The innovative BiCo (internal functional interconnection) function offers unparalleled flexibility.