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Connecting to Siemens S7-300 PLC

The Iso-Over-TCP procotol is used for connection to the PLC, see Connecting to 1200 for reference.

Input correct TSAP number in the WebHMI connection settings:

  • for CPU with built-in Ethernet port use TSAP number 0200, 0301
  • for CPU without Ethernet port and CP343-1 Ethernet communication module use TSAP number 0302

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