November 2018
Intermediate to advanced
556 pages
14h 42m
English
Content preview from Hands-On Industrial Internet of Things
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Questions
- What is the main difference between OPC Classic and OPC UA?
- OPC Classic uses COM/DCOM, while OPC UA is platform-independent
- OPC Classic uses TCP, while OPC-UA uses HTTP
- OPC Classic does not have a data model, while OPC-UA does
- What is the mechanism used by DCOM to send and receive information between COM components in a transparent way on the same network?
- Marshalling
- Remote Procedure Call
- Dynamic TCP ports
- What is the main advantage of using OPC rather than the legacy industrial protocols of the device or equipment?
- OPC allows us to query for industrial data in the most efficient way
- OPC allows us to query for the industrial data by means of a Windows box
- OPC abstracts the connected device, providing standard and ...
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