Both the BACnet Comm and the BACnet IP Port are enabled in an ENC-520, but BACnet devices are not being discovered. The Discover button it grayed out.

Issue

Both the BACnet Comm and the BACnet IP Port are enabled in an ENC-520, but BACnet devices are not being discovered. The Discover button it grayed out.

Product Line

TAC I/A Series

Environment

Niagara G3 all version, ENC-520-2, ENC-410

Cause

No network adaptor was selected. The ENC's Adapter setting under the station’s BacnetNetwork/Bacnet Comm/Network/IpPort/Link was set to "none".

Resolution

A network adapter must be selected for the station.

- Open the BACnetNetwork of the station and go to Bacnet Comm/Network/IpPort/Link
- Click on the arrow next to the Adapter property and select the correct Ethernet adapter - save change

- Make sure that the Object Id of the BACnet Local device is set to a unique value other than -1
- A reboot is required after the change.

You should now be able to Discover the BACnet devices.