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《Information Recording Materials》 2018-06
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Communication technology in C# client communicate with S7-1200 PLC based on OPC

Wan Dan;Yang Guoxing;Xi'an petroleum university;  
OPC for various process control equipment of communication provides a common interface.Introduced the use of Siemens SIMATIC NET as OPC server,with c# client as a PC monitor,and use the OPC technology and real-time communication between the Siemens S7-1200 PLC.By adopting the newest programming configuration software of Siemens TIA Portal V13 SP1 configuration of PLC hardware frame and PC station,using more efficient way of OPC asynchronous read and write.Practical application shows that the monitoring and control system stable operation and high reliability,good effect.
【CateGory Index】: TP273
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