OPC UA in Industry 4.0
OPC UA Information Model
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Benefit of using an OPC UA information model (4:56)
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Define a custom information model for a machine use case (3:25)
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Concepts of address space, nodes and references in OPC UA (3:34)
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Identify a node uniquely in the OPC UA address space (3:56)
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The eight node classes in OPC UA
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Overview of references in OPC UA
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Address space organization in OPC UA
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Quiz on standard notations of node classes and references
Software setup for example applications
OPC UA Events
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Concepts of events in OPC UA
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OPCUA events server codewalkthrough introduction (0:33)
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Creating event type in server information model (6:21)
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Configure an object to notify events (2:39)
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Define method under machine objects (3:07)
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Define properties of event and trigger event with method call (8:00)
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Create subscription in OPC UA server (11:34)
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Create monitored items to get event notifications (15:26)
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Trigger event by method call from OPC UA client (13:24)
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Quiz on OPC UA events
OPC UA Historical Data Access
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Concepts of historical data access in OPC UA
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Enable History read write in information model (9:54)
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Configure historical database to store values from temperature Sensor (9:33)
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Read historical data from OPC UA server with client application (9:58)
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Analyze history read request and response (2:55)
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Store the historical data in log file (6:59)
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Quiz on historical data access
OPC UA Alarms and Conditions
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Concepts of alarms and conditions in OPC UA
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Create condition source object to notify events (8:32)
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Create condition instance of OffNormalTypeAlarm (7:44)
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Define usercallback for alarm states (12:29)
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Use ValueCallback to trigger alarm to active state (10:49)
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Subscribe to the condition source object to get event notifications (20:26)
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Enable alarm from client application (12:43)
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Trigger alarm to active state from client application (10:20)
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Acknowledge and confirm the alarm from client application (21:02)
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Quiz on alarms and conditions
