SYSTEM EVENT FILTERING AND NOTIFICATION FOR OPC CLIENTS

摘要

A system operating in a Windows environment that provides notification of events to OPC clients is disclosed NT events generated in the system are filtered and converied to an OPC format for presentation to the OPC clients. The convened NT event notification includes a designation of the source that generated the NT event. The system includes a filter configuration tool that permits entry of user-defined filter critena and transformation information. The transformation information includes the source designation, event severity, event type (simple, tracking and conditional), event category, event condition, event sub-condition and