algiri

Read and Write data from PLC using ASP.NET

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I am software engineer and currently developing ASP.NET website using C#. My boss asked me to read, write and update data in PLC(via website) but I have no idea about how to access PLC. Moreover, Where the data can be found? what do I need to perform these tasks. Please suggest some solutions. Thanks Edited by algiri

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What PLC are you using? There are many ways to do this depending on the PLC you are using. I do a lot of this using VB.NET through .aspx webpages via custom protocol. A great tool to get you started is http://www.advancedhmi.com/. It is a free library with many built in protocols.

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I am also facing same problem. Can anybody help ?

 

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and of course there are tutorials and examples. feel free to use google.

example:

 

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