Control method and system for resetting backup data

Details Control method and system for resetting backup data Control method and system for resetting backup data

G - Physics

05

B

G05B 23/02 (2006.01) G06F 1/30 (2006.01) G06F 11/00 (2006.01) G06F 12/16 (2006.01)

Patent

CA 2158810

A backup control system comprises a control package, a file package including a battery monitor and a flip-flop circuit, and a back board having a return wire which provides connec- tion/disconnection of the monitor terminal of the monitor. The monitor checks a voltage of the monitor terminal at all times and outputs a reset signal to the flip-flop circuit when the voltage of the monitor terminal becomes lower than a reference voltage. The return wire connects the monitor terminal to the power line when the file package is connected to the connection board, and disconnects the monitor terminal from the power line when the file package is removed from the connection board. The flip-flop circuit stores one of a set state and a reset state, and changes in state from the set state to the reset state when the reset signal is received from the monitor.

L'invention est un système de commande de secours comportant un bloc de commande, un bloc d'archivage contenant un contrôleur de batteries et un circuit à bascule, et une carte de connexion comportant un fil de retour servant à connecter la borne du contrôleur. Celui-ci vérifie de façon continue la tension appliquée à sa borne et transmet au circuit à bascule un signal de réinitialisation quand cette tension devient inférieure à une certaine tension de référence. Le fil de retour connecte la borne du contrôleur à la ligne d'alimentation électrique quand le bloc d'archivage est connecté à la carte de connexion et la déconnecte quand le bloc d'archivage est retiré de la carte de connexion. Le circuit à bascule stocke un état d'initialisation ou de réinitialisation et remplace l'état d'initialisation par l'état de réinitialisation à la réception du signal de réinitialisation transmis par le contrôleur.

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