A network accessible interface for a process control network

Details A network accessible interface for a process control network A network accessible interface for a process control network

G - Physics

05

B

G05B 19/418 (2006.01) G05B 19/042 (2006.01)

Patent

CA 2267502

An interface between a remote communications network and a process control system includes a storage device, a communication software stack and a user software layer. The user software layer enables interfacing between the remote communications network and the process control system by directing the communication software stack to operate in the process control system using a process communication protocol by monitoring the message traffic on the communication software stack, and by copying requested message traffic to the storage device. The user software layer also includes media interface software that allows access to the storage device by the remote communications network to thereby deliver specific data to a device connected to the remote communications network.

Interface entre réseau de communication éloigné et système de commande de processus, comprenant une mémoire, un ensemble logiciel de communication et une couche logicielle utilisateur. Cette couche assure l'interface entre un réseau éloigné et le système de commande de processus, en associant l'ensemble logiciel de communciation au fonctionnement du système de commande de processus par les moyens suivants: protocole de communication lié au processus, contrôle du trafic de messages via l'ensemble logiciel et copie dans la mémoire du trafic de messages requis. La couche logicielle utilisateur dispose en outre d'un logiciel d'interface support, qui permet à un réseau éloigné d'accéder à la mémoire, dans le but de transmettre des données spécifiques à tel ou tel dispositif relié à ce réseau éloigné.

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