H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 1/22 (2006.01) H04B 1/74 (2006.01) H04B 17/00 (2006.01) H04L 1/16 (2006.01) H04L 1/18 (2006.01) H04L 1/24 (2006.01)
Patent
CA 2205021
An existing redundant physical path structure should be used for sending (fault) messages from a lower-level controller to a higher-level controller, without unnecessarily having to load the processing capacity of the higher-level controller by redundant messages in the process. The invention achieves this aim in that a message is first of all transmitted via each transmission path, and a further message is always sent as soon as an acknowledgement of a previous message is received, the further message being sent via that transmission path via which the acknowledgement was received.
L'invention vise à assurer la transmission de messages (d'erreurs) d'un système de commande secondaire vers un système de commande primaire au moyen d'une structure de trajet physique redondante existante, sans charger inutilement avec des messages redondants la capacité de traitement du système de commande primaire. A cet effet, un message est tout d'abord transmis par l'intermédiaire de chaque trajet de transmission, puis un autre message est systématiquement transmis dès réception d'un accusé de réception d'un message précédent. L'autre message est transmis par l'intermédiaire du trajet de transmission par l'intermédiaire duquel l'accusé de réception a été reçu.
Aktiengesellschaft Siemens
Fetherstonhaugh & Co.
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