Bring your legacy devices into the Industry 4.0 world with OPC UA
Introduction to information model concepts of OPC UA
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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
OPC UA companion specification for Modbus
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Overview of the lectures (1:25)
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Commonly used industrial fieldbuses (0:49)
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OPC UA companion specifications for industrial fieldbuses (2:08)
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Status of OPC UA companion specifications for industrial fieldbuses (1:38)
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What about OPC UA companion specification for Modbus? (1:36)
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Quiz on OPC UA companion specifications for industrial fieldbuses
Demo of a sample application use case for Modbus to OPC UA
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Overview of the lectures (1:13)
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Define a sample application use case that uses Modbus (6:55)
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Building blocks of the Modbus to OPC UA demo (5:36)
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OPC UA server information model with Modbus types from the use case (4:36)
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Variables and properties of Modbus types in OPC UA server (4:35)
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Modbus device object instantiated from Modbus types in OPC UA server (2:32)
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OPC UA client configures Modbus device object in OPC UA server (9:57)
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OPC UA client reads Modbus device data through OPC UA server (4:42)
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Quiz
Custom information model of the sample application use case
Mechanisms to access data over OPC UA
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Overview of the lectures (1:05)
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OPC UA client connects to the OPC UA server (3:58)
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OPC UA client writes Modbus configuration to information model of OPC UA server (9:32)
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OPC UA client invokes method call on OPC UA server to connect to Modbus device (4:16)
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OPC UA client invokes method call on OPC UA server to cyclically poll Modbus device (7:15)
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Polled Modbus data gets updated into information model of OPC UA server (4:01)
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OPC UA client polls Modbus data from information model of OPC UA server (4:28)
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OPC UA client subscribes to notifications of Modbus data change in OPC UA server (11:44)
