KB-127050: Requirements

Requirements

Note

The requirements listed here are shown as an example for an S7-1500 controller from TIA V15 and FW2.5.

  • A license for OPC UA needs to be available.
  • The OPC UA server needs to have been activated.
  • To restrict access to the OPC UA server, a user with appropriate rights to the variables should be created.
  • A program block must be created in which the variables are defined.
  • Variables must be defined that are provided via the OPC interface.
    • Command variable (trigger variable) of data type Int16: The variable must be readable by the octoplant server.
    • Status variable (variable for acknowledgement) of data type Int16: the variable must be writeable by the octoplant server.
  • Access to the variables via OPC UA needs to be possible. For example, you can check the connection to the OPC UA server using a freely available OPC client.

Last update: September 15, 2023

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