This is a Java application which enables the communication among Vision V350 PLC and Linux server without using OPC server.
In fact there are two applications:
1- TCP_Server which timely receives data sent from PLC
2- TCP_Client which implements the Unitronics ASCII communication protocol allowing an user read and write any PLC registers of Vision V350 model.
OpenOPC for Python is an easy to use OPC (OLE for Process Control) library for use with the Python programming language. The project includes a Windows gateway service allowing non-Windows clients to also access OPC-DA calls.
The goal of this project is to implement an OPC UA communication stack using the python programming language. Currently we are working on a series of articles, describing how we can use python to implement the communication stack. Some code snippets have already been written!
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OPC Communication is a platform that uses OPC, CORBA and SOAP mechanism for commuciation to numerous data sources, either devices on the factory floor, or a database in a control room. It also translates services among OPC, CORBA and SOAP.
The GDAC (Generic Device Access and Control) framework is an extensible multithreaded cross platform (Linux (x86,VME)/Windows) C++ device control environment. It typically will be used as the basis for custom OPC servers or front-end control software.