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Tag Archives: OPC

How fast is a PLC driver with C#?

This post comes as a response to a recent comment on my YouTube channel. Hello Michele, I’m interested how fast would be your HMI application in case to communicate with 5-10 CPU connections, and around 4k-15k Tags? Do you have had something like that? We can start by making a ...

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OPC XML DA Client with C#

With this article I want to show how to create a webservice in C# to communicate with an OPC-XML-DA server, like the one of SIMOTION D plc. OPC-XML-DA is a communication protocol based on SOAP and XML. To connect to a OPC-XML-DA server you need a WSDL file, that defines ...

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Opc client with C#: an how to video

I made a video where i explain how to connect and read tags from and Opc server using OpcNetApi.dll library with C#. This post follows a serie of old article that you can read on my old blog. This code comes from Beckhoff OPC how-to section and if you run a ...

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Using RsLinx OPC Test Client to debug OPC Servers

Usually when i have to analyze OPC Servers connectivity i use RsLinx OPC test client. This is a software provided for free in every version of RsLinx (it’s included in the lite too) and you can download RsLinx lite following the procedure described here. Using the OPC test client is ...

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