Setting up a BACnet Supplement Key

In order to be able to execute a TwinCAT BACnet/IP installation in RUN mode, it is necessary to obtain a supplement key. This key is linked to the MAC address of the network adapter. Supplement keys for several network adapters can be set up on the same computer.

Setting up a BACnet Supplement Key 1:

Windows CE images

For Windows CE-based images the supplement key is already pre-installed in corresponding BACnet versions (special order number) and does not have to be entered retrospectively.

Setting up a BACnet Supplement Key 2:

To add a supplement key a BACnet device must be created and loaded ("Reload Devices"). The key can then be added with the button "Insert Key" in the Settings tab of the BACnet device.

Setting up a BACnet Supplement Key 3:
Setting up a BACnet Supplement Key 4:
Setting up a BACnet Supplement Key 5:

Image updates

If a valid key has been entered, it can subsequently be displayed with the button "View Key". In Windows Embedded-based devices (CX5010,CX5020) a image update may result in the supplement key being lost. It is advisable to make a note of the supplement key before the update.

Setting up a BACnet Supplement Key 6: