Logging Operation4-64.2.4 Operation When the Battery Cover of Control Unit is OpenThe following operations are performed when the battery cover is open during the loggingoperation. Operation of system relays• The logging/trace execution active flag and the SD card logging execution active flag(R9180/R9190/R9200/R9210) stays on while the battery cover is open.• The logging/trace execution active flag (R9180/R9190/R9200/R9210) turns off when thecondition to stop the logging operation is met. The SD card buffer logging/file writing activeflag (R9181/R91919/R9201/R9211) is kept in the on state.• The logging operation into the logging buffer (RAM) continues even when no SD memorycard is inserted. Once the logging buffer (RAM) becomes full, the buffer overflow flag turnson.• When the battery cover is closed, the SD card buffer logging/file writing active flag(R9181/R91919/R9201/R9211) also turns off. File status in SD memory card• The file "specified file name (------current------).csv" in which logging data was saved beforeopening the cover is held in the SD memory card.• Once the battery cover is closed, saving data into files starts again.