PLC integrated control cabinet has protection functions such as overload, short circuit and phase loss protection. The utility model has the advantages of compact structure, stable operation and complete functions. It can be combined according to the actual control scale. It can not only realize the automatic control of a single cabinet, but also realize the distributed control system (DCS) composed of multiple cabinets through industrial Ethernet or industrial fieldbus network. PLC control cabinet can adapt to industrial automation control occasions of various sizes and scales. It is widely used in electric power, metallurgy, chemical industry, papermaking, environmental protection sewage treatment and other industries.