title: PLC data communication with a remote server
body: <p>How can I interact with a PLC to send and receive data to/from a remote server(PC). </p>
  For example a robot that have a PLC and want to interact with a server that placed at near room with a wireless communication. </p>
  Data must move all over the time. PLC sending the data to the server and server must sending back the result of computation on the data to PLC.</p></p>
  
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  <p>review : My PLC brand is Delta but its model has not been selected yet .</p>