Central control unit

The CCU can communicate with the OCU, PCU, SECC, CHAdeMO adapter board, power modules, and energy meters. Its main functions are as follows: 1) Communicate with the OCU and support remote debugging; 2) Communicate with the PCU power control board and support remote debugging; 3) Detect the connection status of the charging connector; 4) Collect the positive and negative terminal temperatures of the charging connector, battery voltage, and charging current; 5) Bus voltage acquisition and insulation detection; 6) Detect the switching status of the emergency stop, access control, surge protective device, and AC contactor; 7) Integrated electromagnetic lock control; 8) Control of indicator lights, AC contactors, and cooling fans; 9) Support V2G, V2V, and V2L.