November 2018
Intermediate to advanced
556 pages
14h 42m
English
Content preview from Hands-On Industrial Internet of Things
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The edge device
The edge device is the device which enables the I-IoT. It is physically located in the factory and is linked from one side to the industrial data sources through the OPC server, and from the other side to the cloud through the IoT gateway. There is much debate about the location, role, and responsibilities of the edge device. With regard to the I-IoT, it must have the following minimum capabilities:
- Implement OPC client interfaces (both OPC Classic and OPC UA) to gather the data from the industrial data sources, which include PLCs, DCSes, SCADA, and Historians
- Have OPC Proxy functionalities to manage indifferently the incoming data requests following both OPC Classic and OPC unified interfaces and addressing them accordingly ...