overview
This section introduces examples of settings and application development for connecting to the OPC interface of a custom OPC client application developed using VisualBasic.NET.
The steps introduced here can be broadly divided into three parts:
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Set up tag registration. |
Step 2 Basic construction of VB
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Make the necessary definitions to make OPC connections from VB.NET. |
Step 3: Reading and writing values
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This allows you to read and write item values at any time from VB.NET. |
Please be sure to carry out the advance preparations described in "Connection Method".
Download the sample
The creation examples shown on this page are provided with samples.
The sample can be downloaded from below.
Detailed explanations of each step will be based on VB.NET2010.
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The OPC automation interface is described in the book "Introduction to OPC Applications" (Chapter 3). |
