Engineering BIM operation and maintenance coding and equipment mapping system and method

The invention provides an engineering BIM operation and maintenance coding and equipment mapping system comprising a PLC, the PLC is electrically connected with a data processing unit, the data processing unit is electrically connected with a communication module, and the communication module is in communication connection with a radio frequency identification module; the PLC is electrically connected with a mapping management module, the mapping management module is electrically connected with a code generation module, and the code generation module is electrically connected with a code printing device; the PLC is electrically connected with an operation and maintenance management unit, and the operation and maintenance management unit comprises an operation and maintenance management project, an operation and maintenance data module and an optimized data entry module; through the data processing unit and the communication module, data information is transmitted, the operation and maintenance management equi