DIN EN ISO : (E)

Transcription

1 DIN EN ISO : (E) Building automation and control systems (BACS) - Part 5: Data communication protocol (ISO :2014); English version EN ISO :2014, only on CD-ROM Contents Page FOREWORD.vii 1 PURPOSE SCOPE DEFINITIONS Terms Adopted from International Standards Terms Defined for this Standard Abbreviations and Acronyms Used in this Standard BACnet PROTOCOL ARCHITECTURE The BACnet Collapsed Architecture BACnet Network Topology Security THE APPLICATION LAYER The Application Layer Model Segmentation of BACnet Messages Transmission of BACnet APDUs Application Protocol State Machines Application Protocol Time Sequence Diagrams Application Layer Service Conventions THE NETWORK LAYER Network Layer Service Specification Network Layer PDU Structure Messages for Multiple Recipients Network Layer Protocol Messages Network Layer Procedures BACnet Routers Point-To-Point Half-Routers DATA LINK/PHYSICAL LAYERS: ISO ("Ethernet") LAN The Use of ISO Logical Link Control (LLC) Parameters Required by the LLC Primitives Parameters Required by the MAC Primitives Physical Media DATA LINK/PHYSICAL LAYERS: ARCNET LAN The Use of ISO Logical Link Control (LLC) Parameters Required by the LLC Primitives Mapping the LLC Services to the ARCNET MAC Layer Parameters Required by the MAC Primitives Physical Media DATA LINK/PHYSICAL LAYERS: MASTER-SLAVE/TOKEN PASSING (MS/TP) LAN Service Specification Physical Layer MS/TP Frame Format Overview of the MS/TP Network MS/TP Medium Access Control Cyclic Redundancy Check (CRC) Interfacing MS/TP LANs with Other BACnet LANs Responding BACnet User Processing of Messages from MS/TP Repeaters DATA LINK/PHYSICAL LAYERS: POINT-TO-POINT (PTP) Overview Service Specification Point-to-Point Frame Format PTP Medium Access Control Protocol DATA LINK/PHYSICAL LAYERS: EIA/CEA ("LonTalk") LAN The Use of ISO Logical Link Control (LLC) Parameters Required by the LLC Primitives

2 Mapping the LLC Services to the LonTalk Application Layer Parameters Required by the Application Layer Primitives Physical Media MODELING CONTROL DEVICES AS A COLLECTION OF OBJECTS Accumulator Object Type Analog Input Object Type Analog Output Object Type Analog Value Object Type Averaging Object Type Binary Input Object Type Binary Output Object Type Binary Value Object Type Calendar Object Type Command Object Type Device Object Type Event Enrollment Object Type File Object Type Group Object Type Life Safety Point Object Type Life Safety Zone Object Type Loop Object Type Multi-state Input Object Type Multi-state Output Object Type Multi-state Value Object Type Notification Class Object Type Program Object Type Pulse Converter Object Type Schedule Object Type Trend Log Object Type Access Door Object Type Event Log Object Type Load Control Object Type Structured View Object Type Trend Log Multiple Object Type Access Point Object Type Access Zone Object Type Access User Object Type Access Rights Object Type Access Credential Object Type Credential Data Input Object Type CharacterString Value Object Type DateTime Value Object Type Large Analog Value Object Type BitString Value Object Type OctetString Value Object Type Time Value Object Type Integer Value Object Type Positive Integer Value Object Type Date Value Object Type DateTime Pattern Value Object Type Time Pattern Value Object Type Date Pattern Value Object Type Network Security Object Type Global Group Object Type Notification Forwarder Object Type Alert Enrollment Object Type Channel Object Type

3 12.54 Lighting Output Object Type ALARM AND EVENT SERVICES Change of Value Reporting Event Reporting Event Algorithms Fault Algorithms AcknowledgeAlarm Service ConfirmedCOVNotification Service UnconfirmedCOVNotification Service ConfirmedEventNotification Service UnconfirmedEventNotification Service GetAlarmSummary Service GetEnrollmentSummary Service GetEventInformation Service LifeSafetyOperation Service SubscribeCOV Service SubscribeCOVProperty Service FILE ACCESS SERVICES AtomicReadFile Service AtomicWriteFile Service OBJECT ACCESS SERVICES AddListElement Service RemoveListElement Service CreateObject Service DeleteObject Service ReadProperty Service Deleted Clause ReadPropertyMultiple Service ReadRange Service WriteProperty Service WritePropertyMultiple Service WriteGroup Service REMOTE DEVICE MANAGEMENT SERVICES DeviceCommunicationControl Service ConfirmedPrivateTransfer Service UnconfirmedPrivateTransfer Service ReinitializeDevice Service ConfirmedTextMessage Service UnconfirmedTextMessage Service TimeSynchronization Service UTCTimeSynchronization Service Who-Has and I-Have Services Who-Is and I-Am Services VIRTUAL TERMINAL SERVICES Virtual Terminal Model VT-Open Service VT-Close Service VT-Data Service Default-terminal Characteristics ERROR, REJECT, and ABORT CODES Error Class - DEVICE Error Class - OBJECT Error Class - PROPERTY Error Class - RESOURCES Error Class - SECURITY Error Class - SERVICES Error Class - COMMUNICATION

4 Error Class - VT Reject Reason Abort Reason Confirmed Service Common Errors BACnet PROCEDURES Backup and Restore Command Prioritization Device Restart Procedure ENCODING BACnet PROTOCOL DATA UNITS Encoding the Fixed Part of BACnet APDUs Encoding the Variable Part of BACnet APDUs FORMAL DESCRIPTION OF APPLICATION PROTOCOL DATA UNITS CONFORMANCE AND INTEROPERABILITY Conformance to BACnet BACnet Interoperability EXTENDING BACnet TO ACCOMMODATE VENDOR PROPRIETARY INFORMATION Extending Enumeration Values Using the PrivateTransfer Services to Invoke Non-Standardized Services Adding Proprietary Properties to a Standardized Object Adding Proprietary Object Types to BACnet Restrictions on Extending BACnet NETWORK SECURITY Overview Security Wrapper Security Messages Securing an APDU Securing an NPDU Securing a BVLL Securing Messages Network Security Network Trust Levels Network Security Policies Network Security End-to-End Security Wrapping and Unwrapping Secure Messages Authenticating Messages User Authentication Time Synchronization Requirements Integrating the Security Layer into the BACnet Stack BACnet Security In A NAT Environment BACnet Security Proxy Deploying Secure Device on Non-Security Aware Networks Deploying Secure Single Network Installations Security Keys Key Server 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) E.1 Alarm and Event Services E.2 File Access Services E.3 Object Access Services E.4 Remote Device Management Services E.5 Virtual Terminal Services ANNEX F - EXAMPLES OF APDU ENCODING (INFORMATIVE) F.1 Example Encodings for Alarm and Event Services

5 F.2 Example Encodings for File Access Services F.3 Example Encodings for Object Access Services F.4 Example Encodings for Remote Device Management Services F.5 Example Encodings for Virtual Terminal Services ANNEX G - CALCULATION OF CRC (INFORMATIVE) G.1 Calculation of the Header CRC G.2 Calculation of the Data CRC ANNEX H - COMBINING BACnet NETWORKS WITH NON-BACnet NETWORKS (NORMATIVE) H.1 Mapping Non-BACnet Networks onto BACnet Routers H.2 Multiple "Virtual" BACnet Devices in a Single Physical Device H.3 Using BACnet with the DARPA Internet Protocols H.4 Using BACnet with the IPX Protocol H.5 Using BACnet with EIB/KNX H.6 Using BACnet with the BACnet/WS Web Services Interface (Annex N) H.7 Virtual MAC Addressing ANNEX I - COMMANDABLE PROPERTIES WITH MINIMUM ON AND OFF TIMES (INFORMATIVE) ANNEX J - BACnet/IP (NORMATIVE) J.1 General J.2 BACnet Virtual Link Layer J.3 BACnet/IP Directed Messages J.4 BACnet/IP Broadcast Messages J.5 Addition of Foreign B/IP Devices to an Existing B/IP Network J.6 Routing Between B/IP and non-b/ip BACnet Networks J.7 Routing Between Two B/IP BACnet Networks J.8 Use of IP Multicast within BACnet/IP J.9 Sources for Internet Information ANNEX K - BACnet INTEROPERABILITY BUILDING BLOCKS (BIBBs) (NORMATIVE) K.1 Data Sharing BIBBs K.2 Alarm and Event Management BIBBs K.3 Scheduling BIBBs K.4 Trending BIBBs K.5 Device and Network Management BIBBs ANNEX L - DESCRIPTIONS AND PROFILES OF STANDARDIZED BACnet DEVICES (NORMATIVE) L.1 Operator Interfaces L.2 BACnet Building Controller (B-BC) L.3 BACnet Advanced Application Controller (B-AAC) L.4 BACnet Application Specific Controller (B-ASC) L.5 BACnet Smart Actuator (B-SA) L.6 BACnet Smart Sensor (B-SS) L.7 Profiles of the Standard BACnet Devices ANNEX M - GUIDE TO EVENT NOTIFICATION PRIORITY ASSIGNMENTS (INFORMATIVE) ANNEX N - BACnet/WS WEB SERVICES INTERFACE (NORMATIVE) N.1 Data Model N.2 Paths N.3 Normalized Points N.4 Reference Nodes N.5 Localization N.6 Security N.7 Sessions N.8 Attributes N.9 Standard Nodes N.10 Encodings N.11 Service Options N.12 Services N.13 Errors N.14 Extending BACnet/WS ANNEX O - BACnet OVER ZigBee AS A DATA LINK LAYER (NORMATIVE)

6 - - O.1 General O.2 ZigBee Overview O.3 Definitions O.4 Unicast Addressing O.5 Broadcast Addressing O.6 BACnet/ZigBee Data Link Layer (BZLL) O.7 Maximum Payload Size O.8 Vendor Specific Commands ANNEX P - BACnet ENCODING OF STANDARD AUTHENTICATION FACTOR FORMATS (NORMATIVE) ANNEX Q - XML DATA FORMATS (NORMATIVE) Q.1 Introduction Q.2 Document Structure Q.3 Expressing BACnet Datatypes in XML Q.4 Expressing BACnet Objects and Properties in XML Q.5 Definitions, Types, Instances, and Inheritance Q.7 Extensibility ANNEX R - MAPPING NETWORK LAYER ERRORS (NORMATIVE) ANNEX S - EXAMPLES OF SECURE BACnet MESSAGES (INFORMATIVE) HISTORY OF REVISIONS