1. OPC UA Protocol S/W & Device Service
December 28, 2017

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3. OPC UA Protocol S/W
Samsung Electronics

4. Contents Use Cases Requirements Architecture Module View Class Diagram
Sequence Diagram

5. Use Cases Connect Connect Connect to OPC-UA server device Browse
Device Service
(OPC-UA Client)
Connect
Connect to OPC-UA server device
Browse
Retrieve data item to configure for data access and monitoring
Data Access
Read and write data accessing the OPC-UA data item which is located at server node
Pub/Sub Monitor OPC-UA subscribing data which is from OPC-UA server device
Browse
Data Access
Sensor/Actuator
(OPC-UA Server)
Pub/Sub

6. Requirements
OPC-UA client could establish connection with the OPC-UA server ( connect procedure from OPC-UA specification )
OPC-UA client could browse data node on the OPC-UA server ( browse procedure from OPC-UA Service specification )
OPC-UA client could access data node on the OPC-UA server.  ( attribute service procedure from OPC-UA Service specification )
OPC-UA client could monitor data node on the OPC-UA server ( pub/sub procedure from OPC-UA Service specification )

7. Architecture | Module View
Device Services
OPC-UA Device Service (Java)
Device Service SDK
OPC-UA Protocol
DeviceProfile
Manager
Command Manager
Steaming
Subscription
Browse
OPC-UA Protocol Stack (milo library)
Data Access
Interface
Node Management
Command Data Model
ezMQ Publisher
OPCUA Command
Generator
ZeroMQ
Legend
Microservice
Component
External Component

8. Architecture | Class Diagram ( Interfaces )

9. Architecture | Class Diagram ( Command )

10. Architecture | Class Diagram ( Service Provider )

11. Architecture | Class Diagram ( sub, method )

12. Architecture | Sequence Diagram ( Browse)

13. Architecture | Sequence Diagram ( Data access )

14. Architecture | Sequence Diagram ( pub/sub )

15. Architecture | Sequence Diagram ( node )

16. OPC UA Device Service
Samsung Electronics

17. Contents Use Cases Requirements Architecture Module view Class diagram
Sequence diagram

18. Use Cases Process Commands
Process commands to opcua device (command example : connect opcua / read / write / subscription)
update metadata into MetaData DB
Update specific device profiles to metadata DB
publish steaming data to microservice
Publish monitoring data of opcua device to microservice
microservice
Process Commands
Connect
opcua device
Data Access
subscription
opcua device
Metadata DB
Update metadata
microservice
Streaming

19. Requirements
System could process command requests to OPC-UA device. ( Command )
System could publish streaming data to endpoint system. ( Streaming )
System could update metadata to its database ( Metadata )

20. Architecture | Module View
Device Services
OPC-UA Device Service (Java)
Device Service SDK
OPC-UA Protocol
DeviceProfile
Manager
Command Manager
Steaming
Subscription
Browse
OPC-UA Protocol Stack (milo library)
Data Access
Interface
Node Management
Command Data Model
ezMQ Publisher
OPCUA Command
Generator
ZeroMQ
Legend
Microservice
Component
External Component

21. Architecture | Class Diagram ( Metadata handler)

22. Architecture | Class Diagram ( Coredata, ezMQ/OPC-UA Adatper)

23. Architecture | Sequence Diagram ( Initialize Metadata )

24. Architecture | Sequence Diagram ( Command process )

25. Thank You