Publish OPC-UA Variables using PLC Designer

Share variables via OPC UA protocol

  • Open the project in PLC Designer
  • Make sure that the selected controller supports OPC UA protocol by going to Device → Log (Currently supported Lenze controllers: 3200C, p500, c300, p300, C5x0, c750 ):
  • Right click Application in the Devices window, then select Add Object.. → Symbol Configuration:
  • Tick off a “Support OPC UA Features” box and press “Add”:
  • Build the project:
  • Tick off all the variables and select “read“, “write” or (default) “read/write” access rights for variables:

Log in to the device and perform download/online change depending on the extent of other changes in the program.


You can now access your variables via OPC UA protocol.