Now that we have OPC events triggering rule scripts in KSX, I wanted to develop a simple and elegant way to process the events. On a couple of different projects, I have used the concept of a filter graph, that is, a chain of connected filters that can each consume, alter and/or pass on incoming objects to other filters further down the graph. The very core of KSX is the node tree, which is simply an object graph. Read more...

On a recent visit to a client site in Chile, the process control team expressed their dismay at the overwhelming number of alarms that the control room operators must acknowledge daily. This alarm volume led to the operators generally ignoring most alarms, and also led to the problem that import alarms were easily overlooked as they were buried in the long list of alarms from the plant. Read more...

We are pleased to announce that KSX now supports the OPC Alarms and Events protocol. You can now easily integrate alarms from the underlying control system with your expert control strategies created with KSX. Control actions can be immediately taken when alarm conditions arise. See this blog post for more information regarding intelligent alarm monitoring using KSX.

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