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Connecting a Siemens PLC to the Reliance SCADA/HMI system

April 22, 2014 | Bretislav Valek

The Reliance SCADA system can communicate with the following Siemens PLC models: S7-200, S7-300, S7-400, S7-1200, and LOGO! To connect Reliance's runtime software to Siemens control systems via Ethernet, Siemens Communication Driver can be used (for serial communication, use a NetLink converter).



The video tutorial describes how to

  • Create a new project in the Reliance 4 Design development environment
  • Select a Siemens device through the Device Manager
  • Configure communication and define a tag
  • Connect the Siemens device to the computer
  • Add a Display component and a Container component to the visualization window
  • Connect the display to the tag
  • Display the tag's value and view communication with the Siemens PLC in the container


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