From the course: Learning SCADA: Collect, Analyze, and Visualize Data for Industrial Automation
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Advantages of using OPC protocol - Ladder Logic Tutorial
From the course: Learning SCADA: Collect, Analyze, and Visualize Data for Industrial Automation
Advantages of using OPC protocol
- [Narrator] One of the main reasons that OPC is a widely accepted industrial communication standard is its ability to connect to different controllers from different vendors and to enable the communication between them. The example you see on the screen, controllers from Siemens, Allen Bradley, and ABB each has its own OPC server. So if a field device, for example a sensor, is connected to one or multiple controllers, the data is transferred from the sensor to the controller and then using an OPC server to be sent to an OPC client where all data from different vendors are accessible using one place. Now, the data collected from the different vendors can be then used for different applications, examples like HMI, SCADA software, or stored in database. And another great advantage is using the OPC protocol to transfer data over a network and overcoming the security problems. The value of OPC is that it is an open standard,…
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Contents
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Introduction to the OPC standard1m 35s
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OPC server/client2m 47s
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OPC connection mechanism1m 24s
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Advantages of using OPC protocol1m 52s
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OPC DA vs. OPC UA3m 36s
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Different OPC software overview2m
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Skkynet Cogent DataHub software tour5m 28s
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Example of using DataHub OPC with a simulator PLC8m 1s
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Differences between OPC and SCADA system1m 44s
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