Reset touch Control Board, and touch screen and has proprietary design technology of full coding keyboard, like notebook computer as operation convenient, through built-in USB interface available USB flash drive convenient upgrade software and Exchange data, new of test software based on Windows system, used embedded software development tool, function complete, and interface friendly, and using convenient, bottom hardware control performance excellent, with contains capacity strong, three-phase current, and four phase voltage output. Microcomputer relay protection test system using digital signal processing including advanced military technology and the number of high-tech, communications technology, reflects the integration, the integration of new trends.