Danger warning system and method for determining...

Details Danger warning system and method for determining... Danger warning system and method for determining...

G - Physics

08

B

G08B 26/00 (2006.01) G08B 29/18 (2006.01)

Patent

CA 2601097

The invention relates to a danger warning system comprising a central station (Z) and appliances (Mn) which are connected thereto by means of a monitoring line (ML). Each appliance (Mn) comprises an insulator switch (S), an unequivocal identification number, and a communication address. In order to determine the configuration of the danger warning system, the appliances (Mn) that can be decoupled by means of the insulator switch (S) are sequentially started and announced to the central station (Z). In the event of simultaneous announcements of more than one appliance (Mn), only the announcement of one of said appliances (Mn) is accepted. During the announcement of appliances (Mn) at the central station (Z) with the communication addresses thereof, when appliances (Mn) with different communication addresses are simultaneous announced, the communication addresses are differed according to an arbitration method, and the two different communication addresses are sequentially registered. When appliances (Mn) with the same communication addresses are simultaneously announced, the collision of said same communication addresses is identified and resolved.

L'invention concerne une installation indiquant un danger contenant une centrale (Z) ainsi que des appareils (M<SUB>n</SUB>) reliés par une conduite d'indication (ML). Chaque appareil (M<SUB>n</SUB>) comprend un commutateur-isolant (S), un numéro d'identification propre et une adresse de communications. L'objectif de l'invention est de déterminer la configuration de l'installation indiquant un danger. A cet effet, les appareils (M<SUB>n</SUB>) pouvant être découplés par le commutateur-isolant (S) sont démarrés de manière séquentielle et s'annoncent à la centrale (Z) de manière séquentielle. Lors d'une annonce simultanée de plusieurs appareils (M<SUB>n</SUB>), seule l'annonce d'un des appareils (M<SUB>n</SUB>) est acceptée. Lorsque les appareils (M<SUB>n</SUB>) sont annoncés à la centrale (Z) au moyen de leur adresse de communications, les adresses de communications sont différenciées en fonction d'un procédé d'arbitrage lors d'une annonce simultanée d'appareils (M<SUB>n</SUB>) présentant différentes adresses de communications et les deux adresses de communication différentes sont enregistrées de manière séquentielle. Lors d'une annonce simultanée d'appareils (M<SUB>n</SUB>) présentant les mêmes adresses de communications, la collision desdites adresses est reconnue et résolue.

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