Controlling and/or monitoring device using at least a...

G - Physics – 05 – B

Patent

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Details

G05B 23/02 (2006.01) G05B 19/042 (2006.01)

Patent

CA 2487560

The invention concerns a controlling and/or monitoring device, comprising a plurality of peripherals (Pa, Pb, Pc, Pn), a central control unit (4) and a communication network (5) connecting the central unit (4) to the various peripherals (Pa, Pb, Pc, Pn). The central control unit (4) comprises one or two transmission controllers (41, 42) connected to the various peripherals through a transmission channel (50), each transmission controller (41, 42) comparing context codes (Ka, Kb, Kc, Kn) received from the peripherals with stored reference codes (Ra, Rb, Rc, Rn) to set a security circuit (6) in a security configuration or in a fault configuration, depending on whether or not the compared codes show identical one-to-one correspondence.

L'invention concerne un dispositif de contrôle et / ou de surveillance, comprenant une pluralité de périphériques (Pa, Pb, Pc, Pn), une unité centrale de contrôle (4), et un réseau de communication (5) reliant l'unité centrale (4) aux différents périphériques (Pa, Pb, Pc, Pn). L'unité centrale de contrôle (4) comprend un ou deux contrôleurs de transmission (41, 42) reliés aux différents périphériques par un canal de transmission (50), chaque contrôleur de transmission (41, 42) comparant des codes de contexte (Ka, Kb, Kn) reçus des périphériques à des codes de référence mémorisés (Ra, Rb, Rc, Rn) pour placer un circuit électrique de sécurité (6) dans une configuration de sécurité ou dans une configuration d'anomalie, selon que les codes comparés se correspondent un à un et à l'identique, ou non.

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