A relay interface module for a distributed control system

The invention provides a relay interface module that is commutatively connectable to at least one IO device and a controller, wherein the relay interface module is configured to provide data from the IO device to at least one controller in a distributed control system (DCS) via a communication inter...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: GOSH SANJAY, KANDE MALLIKARJUN, SUNDARAM SENTHIL KUMAR, SANKARAN SUNDERAM, WAHLER MICHAEL, KOUL SANJEEV
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The invention provides a relay interface module that is commutatively connectable to at least one IO device and a controller, wherein the relay interface module is configured to provide data from the IO device to at least one controller in a distributed control system (DCS) via a communication interface. In this manner, an application related to a particular IO device may then be allowed to be executed freely on any controller present in a DCS without losing real time connection with the associated IO device. The invention also provides a method of transferring data from an IO device to an associated application that is being executed on a controller such that the real time connection between the IO device and the application being executed is still maintained.; Further, the invention a distributed control system for a process plant that includes a relay interface module and uses the method of the invention.