Error detection for hvac systems

Details Error detection for hvac systems Error detection for hvac systems

G - Physics

05

B

G05B 23/02 (2006.01) F24F 11/00 (2006.01) G05B 19/042 (2006.01) G05D 23/19 (2006.01)

Patent

CA 2133517

A process is disclosed for checking communications that a controller receives from elements in an HVAC system. The process includes storing the communications and thereafter checking each stored communication against a range of permitted values for that particular communication. The thus checked communication is made available for use by the controller only if it is within the range of permitted values. A count of times that a particular element does not comply with the check is maintained with a warning being generated in the event that the element continues to communicate unacceptable signal values.

L'invention porte sur un processus pour vérifier les communications qu'un contrôleur reçoit d'éléments d'un système CVC. Le processus comprend le stockage des communications, puis la vérification de chaque communication stockée en regard d'une plage de valeurs permises pour cette communication en particulier. Le contrôleur peut utiliser la communication vérifiée uniquement si la valeur de cette dernière se trouve dans la plage de valeurs permises. Le système compte le nombre de fois qu'un certain élément ne satisfait pas à la vérification. Puis, il émet un avertissement si l'élément continue de communiquer des valeurs inacceptables.

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