BACnet

BACnet/IP Hex Converter BACnet

Input

Length —
Format —

Output

IP address —
UDP port —
Port notes —

Input

Output form —

Output

Hex string —
Length —
Port notes —

BACnet/IP Port Reference

PortHexTypical use
47808BAC0Default BACnet/IP

UDP 47808 (0xBAC0) is the IANA-registered BACnet port and the only one you'll encounter in the field unless you're running multiple logical BACnet/IP networks on the same host. ASHRAE 135 Annex J describes a convention for additional networks on sequential ports (47809 / BAC1 and up) — those are not IANA-registered. Confirm against the site's actual BACnet design.

BACnet Basics covers the object model, the services, the priority array, and how Who-Is / I-Am discovery works. BACnet Networking is the companion page on the gotchas behind the hex-blob conversion above — the three layers of addressing, BBMDs and Foreign Device Registration, and the BVLL/NPDU/APDU frame each BACnet/IP message wraps itself in.

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