Application Control Application Control



This indicates detection of the OPC AE IOPCEventSubscriptionMgt Refresh command.
OPC (OLE for process control), currently known as "OPen Connectivity", is a standards specification by the OPC Foundation designed for communication between multi-vendor devices and control applications. OPC Alarms and Events (OPC AE) is used to generate alarms and events within a process automation system. The OPC AE server exposes the alarms and events present in a system to the client.