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 Read Write Services
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Concepts of read/write services in OPC UA
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Create a variable node and read/write in the information model (21:40)
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Read/write the variable node remotely using a client application (16:11)
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Compile the custom information model into the OPC UA server (6:58)
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Create a datasource variable with a shared memory interface (9:02)
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Create a subscription to monitor data change of the variable (10:17)
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Quiz on OPC UA read/write services
OPC UA Methods
OPC UA Security
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Concepts of secure communication in OPC UA
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Connect with anonymous user credentials (11:26)
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Authenticate the client with username and password (13:33)
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Generate public and private keys required for message signing and encryption (2:51)
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Use message signing to verify if the client can be trusted (10:56)
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Use encryption to keep the client/server communication confidential (3:58)
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Quiz on OPC UA security
