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OPC XML DA Client with C#

OPC

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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Using AdvancedHMI’s PLC drivers with C#

advhmi

AdvancedHmi is a free and “almost open-source” HMI framework written in VB.Net that offer some drivers for PLCs, and also offer free SCADA objects for winforms users. I say “almost open-source” because the code of the two main libraries is not provided (MfgControl.AdvancedHMI.Drivers.dll and MfgControl.AdvancedHMI.Controls.dll), but it’s provided how to ...

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