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KNX Secure Guide: 4. Observations

Some considerations for the use of KNX security:

  • Individual address change: in a project with several already programmed secure devices that share group addresses between them, changing the individual address in one of them makes it necessary to program the rest of the devices that share group addresses with it.
  • Programming a reset device: when trying to program a factory reset device, ETS detects that the FDSK is being used and asks for confirmation to generate a new Tool Key in order to reprogram the device.
  • Device programmed in another project: if you try to download a device (safely or not) that has already been safely programmed in another project, you will not be able to download it. You will have to recover the original project or perform a factory reset.
  • BCU key: this password is lost either by manual factory reset or by unloading.