Equipment sensing system and equipment control device

Details Equipment sensing system and equipment control device Equipment sensing system and equipment control device

G - Physics

05

D

G05D 23/19 (2006.01) F25D 29/00 (2006.01) G01K 1/02 (2006.01)

Patent

CA 2409451

Data is transmitted to a main control device via sensing means such as temperature sensors, each having a memory means in which the ID code is stored, and via transmitting/receiving means such as switching elements. There is a stand-by period in the operation of the main control device after the main control device issues a command to start a sensing operation until the main control device issues a command to perform a read operation. The main control device receives power through a signal line, the voltage of which is kept at a high level during the stand-by period. Thus, an equipment sensing system and an equipment control device which enable reliable and quick sensing, cost reduction, smooth control, and simplified wiring provided.

L'invention concerne un dispositif de commande principal auquel sont transmises des données via des organes de détection tels que des capteurs de température, chacun d'eux possédant des organes de mémoire dans lesquels est stocké le code d'identification, et via des organes d'émission-réception tels que des éléments de commutation. L'exploitation du dispositif de commande principal comprend une période d'attente en service après que le dispositif de commande principal génère une commande pour commencer une opération de détection et jusqu'à ce que le dispositif de commande principal génère une commande pour réaliser une opération de lecture. Le dispositif de commande principal est alimenté par une ligne de signal dont la tension est maintenue à un niveau élevé pendant la période d'attente de service. Les avantages du système de détection d'équipement et du dispositif de commande d'équipement comprennent une détection fiable et rapide, une réduction du coût, une commande aisée et un câblage simplifié.

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