Example of establishing socket communication with Siemens PLC based on C ＃ open TCP communication

be based on C# open TCP Establish communication with Siemens PLC Of socket Communication example

I've talked about the adoption of S7 Communication protocol establishment C# With Siemens S7-1200 PLC Specific examples of communication connections , For details, please refer to the following links ：
be based on C# utilize S7.net Library and Siemens S7-1200PLC Specific methods of communication （ Use thread loop to read ）

This time, I will share with you the TCP The specific method of communication connection by protocol ：

First , Open botu Software , As shown in the figure below , Create a new project , And add a DB block , Used to store sent data ,