I.S. EN ISO 16484-5:2017/A1:2020

National Foreword
European foreword
Foreword
Introduction
1 PURPOSE
2 SCOPE
3 DEFINITIONS
4 BACnet PROTOCOL ARCHITECTURE
5 THE APPLICATION LAYER
6 THE NETWORK LAYER
7 DATA LINK/PHYSICAL LAYERS: Ethernet (ISO 8802-3) LAN
8 DATA LINK/PHYSICAL LAYERS: ARCNET (ATA 878.1) LAN
9 DATA LINK/PHYSICAL LAYERS: MASTER-SLAVE/TOKEN
PASSING (MS/TP) LAN
10 DATA LINK/PHYSICAL LAYERS: POINT-TO-POINT (PTP)
11 DATA LINK/PHYSICAL LAYERS: LonTalk (ISO/IEC 14908.1) LAN
12 MODELING CONTROL DEVICES AS A COLLECTION OF OBJECTS
13 ALARM AND EVENT SERVICES
14 FILE ACCESS SERVICES
15 OBJECT ACCESS SERVICES
16 REMOTE DEVICE MANAGEMENT SERVICES
17 VIRTUAL TERMINAL SERVICES
18 ERROR, REJECT, and ABORT CODES
19 BACnet PROCEDURES
20 ENCODING BACnet PROTOCOL DATA UNITS
21 FORMAL DESCRIPTION OF APPLICATION PROTOCOL DATA UNITS
22 CONFORMANCE AND INTEROPERABILITY
23 EXTENDING BACnet TO ACCOMMODATE VENDOR PROPRIETARY INFORMATION
24 NETWORK SECURITY
25 REFERENCES
ANNEX A - PROTOCOL IMPLEMENTATION CONFORMANCE STATEMENT (NORMATIVE)
ANNEX B - GUIDE TO SPECIFYING BACnet DEVICES (INFORMATIVE)
ANNEX C - Removed
ANNEX D - Removed
ANNEX E - EXAMPLES OF BACnet APPLICATION SERVICES (INFORMATIVE)
ANNEX F - EXAMPLES OF APDU ENCODING (INFORMATIVE)
ANNEX G - CALCULATION OF CRC (INFORMATIVE)
ANNEX H - COMBINING BACnet NETWORKS WITH NON-BACnet NETWORKS (NORMATIVE)
ANNEX I - COMMANDABLE PROPERTIES WITH MINIMUM ON AND OFF TIMES (INFORMATIVE)
ANNEX J - BACnet/IP (NORMATIVE)
ANNEX K - BACnet INTEROPERABILITY BUILDING BLOCKS (BIBBs) (NORMATIVE)
ANNEX L - DESCRIPTIONS AND PROFILES OF STANDARDIZED BACnet DEVICES (NORMATIVE)
ANNEX M - GUIDE TO EVENT NOTIFICATION PRIORITY ASSIGNMENTS (INFORMATIVE)
ANNEX N - FORMER BACnet/WS WEB SERVICES INTERFACE (INFORMATIVE)
ANNEX O - BACnet OVER ZigBee AS A DATA LINK LAYER (NORMATIVE)
ANNEX P - BACnet ENCODING OF STANDARD AUTHENTICATION FACTOR FORMATS (NORMATIVE)
ANNEX Q - XML DATA FORMATS (NORMATIVE)
ANNEX R - MAPPING NETWORK LAYER ERRORS (NORMATIVE)
ANNEX S - EXAMPLES OF SECURE BACnet MESSAGES (INFORMATIVE)
ANNEX T - COBS (CONSISTENT OVERHEAD BYTE STUFFING) FUNCTIONS (INFORMATIVE)
ANNEX U - BACnet/IPv6 (NORMATIVE)
ANNEX V - MIGRATION FROM SOAP SERVICES (INFORMATIVE)
ANNEX W - BACnet/WS RESTful WEB SERVICES INTERFACE (NORMATIVE)
ANNEX X - EXTENDED DISCOVERY OF DEVICES, PROFILES, AND VIEWS (NORMATIVE)
ANNEX Y - ABSTRACT DATA MODEL (NORMATIVE)
ANNEX Z - JSON DATA FORMATS (NORMATIVE)
HISTORY OF REVISIONS

This protocol provides a comprehensive set of messages for conveying encoded binary, analog, and alphanumeric data between devices including, but not limited to: (a) hardware binary input and output values, (b) hardware analog input and output values, (c) software binary and analog values, (d) text string values, (e) schedule information, (f) alarm and event information, (g) files, and (h) control logic.