November 2018
Intermediate to advanced
556 pages
14h 42m
English
Content preview from Hands-On Industrial Internet of Things
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
Start your free trial
Strengths of the edge in OPC DCOM
The strengths of the edge in OPC DCOM setup include the following:
- The OPC interface abstracts the underlying device that acts as the data source. This means that there is no need to implement and maintain a connector for each fieldbus protocol to which the edge connects.
- The OPC server is typically linked to more than one PLC or DCS that have the same underlying industrial protocols. This means that a single OPC server can collect data coming from more than one PLC, thereby simplifying the edge deployment.
- Since the edge is not connected directly to the control network, it is easier to deploy it in a DMZ, as stipulated by the ICS standards.