| 摘要 |
PURPOSE:To facilitate restart at the time of recovery and to prolong the backup of a memory part by performing logic processing corresponding to the stored energy quantity of a battery. CONSTITUTION:This system is provided with DC/DC converters 3 and 4 for feeding to a logic part 6 and a memory part 7 and provided with a battery output voltage detection part 9 for monitoring the output voltage of a battery unit 5 to backup the operations of the DC/DC converters 3 and 4 with the battery, an alarm signal showing the drop of the battery output voltage rather than a specified value is transmitted from the detection part 9 to the logic part 6 and the DC/DC converter 3, the logic part 6 stops operation processing corresponding to the reception of the alarm signal, and the holding of processing data is immediately instructed to the memory part. |
