Battery management system master control unit test system

The utility model relates to a battery management system master control unit test system, include: the host computer sends break -make alternative order, receives test data, shows the test result, the next machine corresponds with host computer and a plurality of functional module and is connected, and control makes the action of a plurality of functional modules behind receiving host machine's the break -make alternative order, realize corresponding data acquisition link gating. The utility model discloses a host computer sends the next machine output control signal of corresponding control command control and gives each functional module, the passageway of the corresponding detection function of control signal backgating of the next machine is accepted to each functional module, data acquisition module gathers and to pass to the host computer on resistance or the voltage data of every gating passageway, realized carrying out full functional test to the battery management system main control unit, it does not have unusually to guarantee main control unit BMU each item function, greatly sparingly produce test time, provide test data for follow -up traceing back.