Comprehensive measurement and control device and comprehensive measurement and control method adaptive to multiple power supply modes

The invention provides a comprehensive measurement and control device self-adaptive to multiple power supply modes. The comprehensive measurement and control device comprises a power supply module, apanel module, a CPU module, an alternating current module, an input module and an output module. The power supply module provides a plurality of paths of voltage stabilizing voltages to supply power to each module; the panel module is connected with the power supply module and the CPU module, the CPU module is integrated with a data processing storage unit, a time synchronization unit and a communication unit, the alternating current module provides a plurality of voltage input and current input loops, the input module provides a plurality of input quantities, and all the input quantities areelectrically isolated after entering equipment; the output module provides multiple paths of output quantities, and all the output quantities are output in a relay idle contact mode; the device is developed on the basis of the