Issue
To enable BACnet communications in an I/A Series (Niagara) UNC station, enter a valid instance number.
Environment
I/A Series R2 (Niagara) UNC, all versions
Cause
The BACnet Service in the UNC defaults to instance number = -1, which prevents the BACnet service from communicating.
Resolution
Assign a valid Instance Number on the General, Config tab of the BACnet service. The valid range is ...