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STX and ETX

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STX/ETX is a high level transport protocol used for exchanging messages with exterior systems. The message is sent as a test starting with STX (Start of Text) character and ends with the ETX (End of Text) character. Can be set up to use ethernet (TCP/IP) or a serial (RS-232/RS-422/RS-485) connection.

TCP/IP Properties

  • Identification
    • Name – Customizable name
    • Id – Customizable Id
  • Communication
    • Port – Port used for communication between EcoStruxure Machine Expert Twin and “Device”
    • Mode – Select “Server” or “Client”
    • Auto Connect – Activate or Deactivate whether EcoStruxure Machine Expert Twin should try to automatically connect to the “Device”

Serial Properties

  • Line Signals
    • DTR – Select if DTR (Data Terminal Ready) is to be used
    • RTS – Select if RTS (Request To Send) is to be used
    • Handshake – Choose from ‘XOnXOff’, ‘RequestToSend’ or ‘RequestToSendXOnXOff’ handshake protocols
  • Port Settings
    • Port Name – Select the name of the port
    • Baud Rate – Select the baud rate at which to connect
    • Data Bits – Enter the number of data bits to be used
    • Stop Bits – Choose from ‘One’, ‘Two’ or ‘OnePointFive’.
    • Parity – Choose from ‘Odd’, ‘Even’, ‘Mark’ or ‘Space’
  • Identification
    • Name – Customizable name
    • Id – Customizable Id
  • Communication
    • Auto Connect – Activate or Deactivate whether EcoStruxure Machine Expert Twin should try to automatically connect to the “Device”
    • Auto Connect Delay – If Auto connect is checked you can set a delay (in miliseconds) after which the connection will attempt a reconnection
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