Automatic genset can be automatically started and provide electricity when electric supply is failure. And when electric supply comes to normal, it can be stopped automatically. It is with an intermediate control box for generator which takes the GTR-80 controller as the core and combines manual, automatic, remote control, remote display and telemetering together; It adopts apheliotropic liquid crystal display, and all the data will be preserved in the microcomputer through digitally conversion method, and all the examination data will be demonstrated on the control panel through the Liquid-crystal display(LCD). This control box is suitable in automatic and the long-distance control control for high and medium speed generating set.