Mapping of DataTypes – OPC UA for BACnet – BACnet: OPC UA Information Model

10 Mapping of DataTypes

10.1 Primitive data types

The mapping of primitive data types is described in Table 91.

Table 91 – Mapping of primitive data types

BACnet	OPC UA
Null	Null
0:Boolean	0:Boolean
Unsigned Integer Abstract unlimited type	There are three different options for mapping the abstract BACnet data type to OPC UA. The BACnet data type is mapped to one of the concrete OPC UA DataTypes Byte, UInt16, UInt32, UInt64 if a byte length is defined in BACnet. The BACnet data type is mapped to the abstract OPC UA data type 0:UInteger if the DataType is used in a Variable definition The BACnet data type is mapped to UInt64, UInt32 or a subtype of ByteString if used in Structure DataTypes.
Signed Integer	There are three different options for mapping the abstract BACnet data type to OPC UA. The BACnet data type is mapped to one of the concrete OPC UA DataTypes SByte, Int16, Int32, Int64 if a byte length is defined in BACnet. The BACnet data type is mapped to the abstract OPC UA data type Integer if the DataType is used in a Variable definition The BACnet datat type is mapped to Int64, Int32 or a subtype of ByteString if used in Structure DataTypes.
Real	0:Float
Double	0:Double
Octet String	0:ByteString
Character String	0:String
Bit String	OPC UA OptionSet See 10.3 for the definition of option set data types.
Enumerated	OPC UA Enumeration " -" in names replaced by "" For reserved/deprecated members: Gaps are used See 10.4 for the definition of enumerated data types.
Date	Structure BACnetDate
Time	Structure BACnetTime
BACnetObjectIdentifier	See 10.2.1

10.1.1 SEQUENCE with optional fields

Currently Structures with special indication for optional fields

10.1.2 SEQUENCE OF

Within structure definition field with IsArray = true

10.1.3 SEQUENCE with CHOICE

	- new virtual structure: TYPE+"SubTypes" subtypes + sub structure definitions for choices

Example:

BACnetSpecialEvent::= SEQUENCE {

period CHOICE {

calendarEntry	[0] BACnetCalendarEntry,
	calendarReference [1] BACnetObjectIdentifier
	},
	listOfTimeValues [2] SEQUENCE OF BACnetTimeValue,
eventPriority	[3] Unsigned (1..16)

}

Will be mapped to:

OPC UA Structure: BACnetSpecialEventPeriod (IsUnion = true)

	calendarEntry: BACnetCalendarEntry
	calendarReference: BACnetObjectIdentifier

OPC UA structure: BACnetSpecialEvent

	period : BACnetSpecialEventPeriod
	listOfTimeValues : BACnetTimeValue (ValueRank = Array)
	eventPriority : UInt32

10.1.4 BACnetARRAY[7] of TYPE

	- DataType = TYPE (Structure)
	- ValueRank = Array
	- ArrayDimension[0] = 7

10.1.5 BACnetARRAY[N] of TYPE

- DataType = TYPE (Structure)

- ValueRank = Array

10.1.6 List Of of TYPE

	- DataType = TYPE (Structure)
	- ValueRank = Array
	- Methods for Adding/Removing Elements

10.1.7 Any

BaseDataType

10.2 DataTypes derived from OPC UA Built-In types

10.2.1 BACnetObjectIdentifier

A BACnet Object Identifier value shall consist of two components:

(1) A 10-bit object type, representing the BACnetObjectType of the object, with bit 9 the most significant bit and bit 0 the least significant.

(2) A 22-bit object instance number, with bit 21 the most significant bit and bit 0 the least significant.

Bit Number: 	31            22 21             0
	|---|---|---|---|---|---|---|---|
	|  Object Type  |Instance Number|
	|---|---|---|---|---|---|---|---|
Field Width:	 <----- 10 ----> <---- 22 ----->

The encoding of an object identifier value shall be primitive, with four contents octets as follows:

Bits 9 through 2 of the object type shall be encoded in bits 7 through 0 of the first contents octet. Bits 1 through 0 of the object type shall be encoded in bits 7 through 6 of the second contents octet. Bits 21 through 16 of the object instance shall be encoded in bits 5 through 0 of the second contents octet. Bits 15 through 8 of the object instance shall be encoded in bits 7 through 0 of the third contents octet. Bits 7 through 0 of the object instance shall be encoded in bits 7 through 0 of the fourth contents octet.

Example: Application-tagged object identifier value

ASN.1 = ObjectIdentifier

Value = (Binary Input, 15)

Application Tag = ObjectIdentifier (Tag Number = 12)

Encoded Tag = X'C4'

Encoded Data = X'00C0000F'

The BACnetObjectIdentifier is a simple DataType and subtype of 0:UInt32. Its representation in the AddressSpace is defined in Table 92.

Table 92 – BACnetObjectIdentifier Definition

Attribute		Value
BrowseName		BACnetObjectIdentifier
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of 0:UInt32

10.2.2 BACnetYear

This DataType identifies a BACnetYear. It is a subtype of 0:UInt16. 0 = Undefined. Its representation in the AddressSpace is defined in Table 93.

Table 93 – BACnetYear Definition

Attribute		Value
BrowseName		BACnetYear
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of 0:UInt16

10.3 OptionSet DataTypes used for BACnet bit strings

10.3.1 General

BACnet bit strings data types are mapped to OPC UA Structure DataTypes derived from the OptionSet DataType defined in OPC 10000-5.

The OptionSet structure contains the field value as ByteString and the field validBits as ByteString. The validBits field indicates which bits in the field value are valid.

All DataTypes defined in this clause are derived from the OptionSet DataType and expose the list of bit names defined in the tables as 0:PropertyType OptionSetValues of the DataType node. The OptionSetValues 0:PropertyType provides an array of LocalizedText.

10.3.2 BACnetDaysOfWeek

This DataType is a subtype of 0:OptionSet representing the days of a week. Its values are defined in Table 94.

Table 94 – BACnetDaysOfWeek Values

Value	Bit No.	Description
monday	0
tuesday	1
wednesday	2
thursday	3
friday	4
saturday	5
sunday	6

Its representation in the AddressSpace is defined in Table 95.

Table 95 – BACnetDaysOfWeek Definition

Attribute		Value
BrowseName		BACnetDaysOfWeek
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of the OptionSet DataType defined in OPC 10000-5
0:HasProperty	Variable		0:OptionSetValues	0:LocalizedText []	0:PropertyType

10.3.3 BACnetEventTransitionBits

This DataType is a subtype of 0:OptionSet representing BACnet event transition bits. Its values are defined in Table 96.

Table 96 – BACnetEventTransitionBits Values

Value	Bit No.	Description
to-offnormal	0
to-fault	1
to-normal	2

Its representation in the AddressSpace is defined in Table 97.

Table 97 – BACnetEventTransitionBits Definition

Attribute		Value
BrowseName		BACnetEventTransitionBits
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of the OptionSet DataType defined in OPC 10000-5
0:HasProperty	Variable		0:OptionSetValues	0:LocalizedText []	0:PropertyType

10.3.4 BACnetLimitEnable

This DataType is a subtype of the 0:OptionSet representing if limits are enabled. Its values are defined in Table 98.

Table 98 – BACnetLimitEnable Values

Value	Bit No.	Description
lowLimitEnable	0
highLimitEnable	1

Its representation in the AddressSpace is defined in Table 99.

Table 99 – BACnetLimitEnable Definition

Attribute		Value
BrowseName		BACnetLimitEnable
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of the OptionSet DataType defined in OPC 10000-5
0:HasProperty	Variable		0:OptionSetValues	0:LocalizedText []	0:PropertyType

10.3.5 BACnetObjectTypeSupportedBits

This DataType is a subtype of 0:OptionSet and represents an option set that defines the object types that are supported by the BACnet Device. The OptionSetValues are defined in Table 100.

Table 100 – BACnetObjectTypeSupportedBits OptionSetValues

Name	Bit No.	Description
analog-input	0
analog-output	1
analog-value	2
binary-input	3
binary-output	4
binary-value	5
calendar	6
command	7
device	8
event-enrollment	9
file	10
group	11
loop	12
multi-state-input	13
multi-state-output	14
notification-class	15
program	16
schedule	17
averaging	18
multi-state-value	19
trend-log	20
life-safety-point	21
life-safety-zone	22
accumulator	23
pulse-converter	24
event-log	25
global-group	26
trend-log-multiple	27
load-control	28
structured-view	29
access-door	30
UNASSIGNED_31	31
access-credential	32
access-point	33
access-rights	34
access-user	35
access-zone	36
credential-data-input	37
network-security	38
bitstring-value	39
characterstring-value	40
date-pattern-value	41
date-value	42
datetime-pattern-value	43
datetime-value	44
integer-value	45
large-analog-value	46
octetstring-value	47
positive-integer-value	48
time-pattern-value	49
time-value	50
notification-forwarder	51
alert-enrollment	52
channel	53
lighting-output	54

Its representation in the AddressSpace is defined in Table 101.

Table 101 – BACnetObjectTypeSupportedBits Definition

Attribute		Value
BrowseName		BACnetObjectTypeSupportedBits
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of the OptionSet DataType defined in OPC 10000-5
0:HasProperty	Variable		0:OptionSetValues	0:LocalizedText []	0:PropertyType

10.3.6 BACnetServicesSupportedBits

This DataType is a subtype of 0:OptionSet and represents an option set that defines the BACnet service set supported by the BACnet device. The OptionsSetValues are defined in Table 102.

Table 102 – BACnetServicesSupportedBits OptionSetValues

Name	Bit No.	Description
acknowledgeAlarm	0
confirmedCOVNotification	1
confirmedEventNotification	2
getAlarmSummary	3
getEnrollmentSummary	4
subscribeCOV	5
atomicReadFile	6
atomicWriteFile	7
addListElement	8
removeListElement	9
createObject	10
deleteObject	11
readProperty	12
UNASSIGNED_13	13
readPropertyMultiple	14
writeProperty	15
writePropertyMultiple	16
deviceCommunicationControl	17
confirmedPrivateTransfer	18
reinitializeDevice	19
vtOpen	20
vtClose	21
vtData	22
UNASSIGNED_24	23
UNASSIGNED_25	24
i-Am	25
i-Have	26
unconfirmedCOVNotification	27
unconfirmedEventNotification	28
unconfirmedPrivateTransfer	29
unconfirmedTextMessage	30
timeSynchronization	31
who-Has	32
who-Is	33
readRange	34
utcTimeSynchronization	35
lifeSafetyOperation	36
subscribeCOVProperty	37
getEventInformation	38
writeGroup	39

Its representation in the AddressSpace is defined in Table 103.

Table 103 – BACnetServicesSupportedBits Definition

Attribute		Value
BrowseName		BACnetServicesSupportedBits
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of the OptionSet DataType defined in OPC 10000-5
0:HasProperty	Variable		0:OptionSetValues	0:LocalizedText []	0:PropertyType

10.3.7 BACnetStatusFlags

This DataType is a subtype of 0:OptionSet and represents an option set that defines the general health of the device. Three of the values are flags that are associated with values of other properties of the object. Read these values to obtain more specific error information. See the BACnet specification for more information. The OptionSetValues are defined in Table 104.

Table 104 – BACnetStatusFlags OptionSetValues

Name	Bit No.	Description
InAlarm	0
Fault	1
Overriden	2
OutOfService	3

Its representation in the AddressSpace is defined in Table 105.

Table 105 – BACnetStatusFlags Definition

Attribute		Value
BrowseName		BACnetStatusFlags
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of the OptionSet DataType defined in OPC 10000-5
0:HasProperty	Variable		0:OptionSetValues	0:LocalizedText []	0:PropertyType

10.4 Enumeration DataTypes

10.4.1 General

BACnet ENUMERATED definitions are mapped to OPC UA Enumeration DataTypes. All DataTypes in this clause derived from the Enumeration DataType defined in in OPC 10000-3.

10.4.2 BACnetAction

This DataType is an enumeration that indicates that a loop is acting in either the DIRECT or REVERSE direction. Its values are defined in Table 106.

Table 106 – BACnetAction Values

Name	Value	Description
direct	0
reverse	1

Its representation in the AddressSpace is defined in Table 107.

Table 107 – BACnetAction Definition

Attribute		Value
BrowseName		BACnetAction
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of the Enumeration type defined in OPC 10000-5
0:HasProperty	Variable		0:EnumStrings	0:LocalizedText []	0:PropertyType

10.4.3 BACnetBackupState

This DataType is an enumeration that represents the backup state. Its values are defined in Table 108.

Table 108 – BACnetBackupState Values

Name	Value	Description
Idle	0
Preparing_For_Backup	1
Preparing_For_Restore	2
Performing_A_Backup	3
Performing_A_Restore	4
Backup_Failure	5
Restore_Failure	6

Its representation in the AddressSpace is defined in Table 109.

Table 109 – BACnetBackupState Definition

Attribute		Value
BrowseName		BACnetBackupState
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of the Enumeration type defined in OPC 10000-5
0:HasProperty	Variable		0:EnumStrings	0:LocalizedText []	0:PropertyType

10.4.4 BACnenBinaryPV

This DataType is an enumeration that expresses date ranges within a month. For example, “last 7 days of this month”, “days numbered 8-14”, and so on. Its values are defined in Table 110.

Table 110 – BACnetBinaryPV Values

Name	Value	Description
Inactive	0
Active	1

Its representation in the AddressSpace is defined in Table 111.

Table 111 – BACnetBinaryPV Definition

Attribute		Value
BrowseName		BACnetBinaryPV
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of the Enumeration type defined in OPC 10000-5
0:HasProperty	Variable		0:EnumStrings	0:LocalizedText []	0:PropertyType

10.4.5 BACnetDay

This DataType is an enumeration that expresses date ranges within a month. For example, “last 7 days of this month”, “days numbered 8-14”, and so on. Its values are defined in Table 112.

Table 112 – BACnetDay Values

Name	Value	Description
days numbered 1-7	1
days numbered 8-14	2
days numbered 15-21	3
days numbered 22-28	4
days numbered 29-31	5
last 7 days of this month	6
any week of this month	255

Its representation in the AddressSpace is defined in Table 113.

Table 113 – BACnetDay Definition

Attribute		Value
BrowseName		BACnetDay
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of the Enumeration type defined in OPC 10000-5
0:HasProperty	Variable		0:EnumValues	0:EnumValueType []	0:PropertyType

10.4.6 BACnetDayOfMonth

This DataType is an enumeration that indicates specific days of the month by specific date (“1”, “22”, and so on) or by relative position (“last day of month”, “even day of month”, and so on). Its values are defined in Table 114.

Table 114 – BACnetDayOfMonth Values

Name	Value	Description
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	11
12	12
13	13
14	14
15	15
16	16
17	17
18	18
19	19
20	20
21	21
22	22
23	23
24	24
25	25
26	26
27	27
28	28
29	29
30	30
31	31
Last day of month	32
Odd day of month	33
Even day of month	34
Unspecified	255

Its representation in the AddressSpace is defined in Table 115.

Table 115 – BACnetDayOfMonth Definition

Attribute		Value
BrowseName		BACnetDayOfMonth
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of the Enumeration type defined in OPC 10000-5
0:HasProperty	Variable		0:EnumValues	0:EnumValueType []	0:PropertyType

10.4.7 BACnetDayOfWeek

This DataType is an enumeration that indicates each of the seven days of the week, or “unspecified”. Its values are defined in Table 116.

Table 116 – BACnetDayOfWeek Values

Name	Value	Description
Monday	1
Tuesday	2
Wednesday	3
Thursday	4
Friday	5
Saturday	6
Sunday	7
unspecified	255

Its representation in the AddressSpace is defined in Table 117.

Table 117 – BACnetDayOfWeek Definition

Attribute		Value
BrowseName		BACnetDayOfWeek
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of the Enumeration type defined in OPC 10000-5
0:HasProperty	Variable		0:EnumValues	0:EnumValueType []	0:PropertyType

10.4.8 BACnetDeviceCommunicationEnabled

This DataType is an enumeration that provides information if the BACnet communication is enabled. Its values are defined in Table 118.

Table 118 – BACnetDeviceCommunicationEnabled Values

Name	Value	Description
Enable	0	Enables the communication of the peer device.
Disable	1	Disables all communication by the peer device. Peer device is still listening to Reinitialize or DeviceCommunication services.
DisableInitiation	2	Disables only the communication actively initiated by the peer device, e.g. COV- or Event Notifications. Peer device still responds to services like ReadProperty, Write Property, etc.

Its representation in the AddressSpace is defined in Table 119.

Table 119 – BACnetDeviceCommunicationEnabled Definition

Attribute		Value
BrowseName		BACnetDeviceCommunicationEnabled
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of the Enumeration type defined in OPC 10000-5
0:HasProperty	Variable		0:EnumStrings	0:LocalizedText []	0:PropertyType

10.4.9 BACnetDeviceStatus

This DataType is an enumeration that indicates the current physical and logical status of the BACnet Device. Its values are defined in Table 120. The meaning of these states (except for BackupInProgress_5) is local matters and is not defined.

Table 120 – BACnetDeviceStatus Values

Name	Value	Description
Operational	0
OperationalReadOnly	1
DownloadRequired	2
DownloadInProgress	3
NonOperational	4
BackupInProgress	5

Its representation in the AddressSpace is defined in Table 121.

Table 121 – BACnetDeviceStatus Definition

Attribute		Value
BrowseName		BACnetDeviceStatus
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of the Enumeration type defined in OPC 10000-5
0:HasProperty	Variable		0:EnumStrings	0:LocalizedText[]	0:PropertyType

10.4.10 BACnetEventState

This DataType is an enumeration that represents the BACnet event state. Its values are defined in Table 122.

Table 122 – BACnetEventState Values

Name	Value	Description
Normal	0
Fault	1
OffNormal	2
HighLimit	3
LowLimit	4
LifeSafetyAlarm	5

Its representation in the AddressSpace is defined in Table 123.

Table 123 – BACnetEventState Definition

Attribute		Value
BrowseName		BACnetEventState
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of the Enumeration type defined in OPC 10000-5
0:HasProperty	Variable		0:EnumStrings	0:LocalizedText[]	0:PropertyType

10.4.11 BACnetEventEnumType

This DataType is an enumeration that represents the BACnet event type. Its values are defined in Table 124.

Table 124 – BACnetEventEnumType Values

Name	Value	Description
ChangeOfBitstring	0
ChangeOfState	1
ChangeOfValue	2
CommandFailure	3
FloatingLimit	4
OutOfRange	5
ChangeOfLifeSafety	8
Extended	9
BufferReady	10
UnsignedRange	11

Its representation in the AddressSpace is defined in Table 125.

Table 125 – BACnetEventEnumType Definition

Attribute		Value
BrowseName		BACnetEventEnumType
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of the Enumeration type defined in OPC 10000-5
0:HasProperty	Variable		0:EnumValues	0: EnumValueType[]	0:PropertyType

10.4.12 BACnetEventType

This DataType is an enumeration that represents the BACnet event type. Its values are defined in Table 126.

Table 126 – BACnetEventType Values

Name	Value	Description
change-of-bitstring	0
change-of-state	1
change-of-value	2
command-failure	3
out-of-range	5
change-of-life-safety	8
floating-limit	4
extended	9
buffer-ready	10
unsigned-range	11
access-event	13
double-out-of-range	14
signed-out-of-range	15
unsigned-out-of-range	16
change-of-characterstring	17
change-of-status-flags	18

Its representation in the AddressSpace is defined in Table 127.

Table 127 – BACnetEventType Definition

Attribute		Value
BrowseName		BACnetEventType
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of the Enumeration type defined in OPC 10000-5
0:HasProperty	Variable		0:EnumValues	0: EnumValueType[]	0:PropertyType

10.4.13 BACnetFaultType

This DataType is an enumeration that indicates the BACnet fault type. Its values are defined in Table 128.

Table 128 – BACnetFaultType Values

Name	Value	Description
none	0
fault-characterstring	1
fault-exended	2
fault-life-safety	3
fault-state	4
fault-status-flags	5

Its representation in the AddressSpace is defined in Table 129.

Table 129 – BACnetFaultType Definition

Attribute		Value
BrowseName		BACnetFaultType
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of the Enumeration type defined in OPC 10000-5
0:HasProperty	Variable		0:EnumStrings	0:LocalizedText[]	0:PropertyType

10.4.14 BACnetLifeSafetyMode

This DataType is an enumeration that represents the BACnet logging type. Its values are defined in Table 130.

Table 130 – BACnetLifeSafetyMode Values

Name	Value	Description
Off	0
On	1
Test	2
Manned	3
UnManned	4
Armed	5
Disarmed	6
Prearmed	7
Slow	8
Fast	9
Disconnected	10
Enabled	11
Disabled	12
AutomaticReleaseDisabled	13
Default	14

Its representation in the AddressSpace is defined in Table 131.

Table 131 – BACnetLifeSafetyMode Definition

Attribute		Value
BrowseName		BACnetLifeSafetyMode
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of the Enumeration type defined in OPC 10000-5
0:HasProperty	Variable		0:EnumStrings	0:LocalizedText[]	0:PropertyType

10.4.15 BACnetLifeSafetyOperation

This DataType is an enumeration that represents the BACnet logging type. Its values are defined in Table 130.

Table 132 – BACnetLifeSafetyOperation Values

Name	Value	Description
None	0
Silence	1
SilenceAudible	2
SilenceVisible	3
Reset	4
ResetAlarm	5
ResetFault	6
Unsilence	7
UnsilenceAudible	8
UnsilenceVisible	9

Its representation in the AddressSpace is defined in Table 131.

Table 133 – BACnetLifeSafetyOperation Definition

Attribute		Value
BrowseName		BACnetLifeSafetyMode
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of the Enumeration type defined in OPC 10000-5
0:HasProperty	Variable		0:EnumStrings	0:LocalizedText[]	0:PropertyType

10.4.16 BACnetLoggingType

This DataType is an enumeration that represents the BACnet logging type. Its values are defined in Table 134.

Table 134 – BACnetLoggingType Values

Name	Value	Description
Polled	0
COV	1
Triggered	2

Its representation in the AddressSpace is defined in Table 135.

Table 135 – BACnetLoggingType Definition

Attribute		Value
BrowseName		BACnetLoggingType
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of the Enumeration type defined in OPC 10000-5
0:HasProperty	Variable		0:EnumStrings	0:LocalizedText[]	0:PropertyType

10.4.17 BACnetMessagePriority

This DataType is an enumeration that represents the BACnet logging type. Its values are defined in Table 136.

Table 136 – BACnetMessagePriority Values

Name	Value	Description
normal	0
urgent	1

Its representation in the AddressSpace is defined in Table 137.

Table 137 – BACnetMessagePriority Definition

Attribute		Value
BrowseName		BACnetMessagePriority
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of the Enumeration type defined in OPC 10000-5
0:HasProperty	Variable		0:EnumStrings	0:LocalizedText[]	0:PropertyType

10.4.18 BACnetMonth

This DataType is an enumeration that indicates either a specific Julian calendar month, or a relative relationship (“odd”, “even”, and “unspecified”). Its values are defined in Table 138.

Table 138 – BACnetMonth Values

Name	Value	Description
January	1
February	2
March	3
April	4
May	5
June	6
July	7
August	8
September	9
October	10
November	11
December	12
Odd	13
Even	14
Unspecified	255

Its representation in the AddressSpace is defined in Table 139.

Table 139 – BACnetMonth Definition

Attribute		Value
BrowseName		BACnetMonth
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of the Enumeration type defined in OPC 10000-5
0:HasProperty	Variable		0:EnumValues	0:EnumValueType []	0:PropertyType

10.4.19 BACnetNodeType

Table 140 – BACnetNodeType Values

Name	Value	Description
UNKNOWN	0	Indicates that a value for Node_Type is not available or has not been configured at this time
SYSTEM	1	An entire mechanical system
NETWORK	2	A communications network
DEVICE	3	Contains a set of elements which collectively represents a BACnet device, a logical device, or a physical device
ORGANIZATIONAL	4	Business concepts such as departments or people
AREA	5	Geographical concept such as a campus, building, floor, etc.
EQUIPMENT	6	Single piece of equipment that may be a collection of "Points"
POINT	7	Contains a set of elements which collectively defines a single point of data, either a physical input or output of a control or monitoring device, or a software calculation or configuration setting
COLLECTION	8	A generic container used to group things together, such as a collection of references to all space temperatures in a building
PROPERTY	9	Defines a characteristic or parameter of the parent node
FUNCTIONAL	10	Single system component such as a control module or a logical component such as a function block
OTHER	11	Everything that does not fit into one of these broad categories

Its representation in the AddressSpace is defined in Table 141.

Table 141 – BACnetNodeType Definition

Attribute		Value
BrowseName		BACnetNodeType
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of the Enumeration type defined in OPC 10000-5
0:HasProperty	Variable		0:EnumStrings	0:LocalizedText []	0:PropertyType

10.4.20 BACnetNotifyType

This DataType is an enumeration that represents the BACnet notify type. Its values are defined in Table 142.

Table 142 – BACnetNotifyType Values

Name	Value	Description
Alarm	0
Event	1
AckNotification	2

Its representation in the AddressSpace is defined in Table 143.

Table 143 – BACnetNotifyType Definition

Attribute		Value
BrowseName		BACnetNotifyType
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of the Enumeration type defined in OPC 10000-5
0:HasProperty	Variable		0:EnumStrings	0:LocalizedText[]	0:PropertyType

10.4.21 BACnetObjectTypeEnum

This DataType is an enumeration that represents the BACnet object type. Its values are defined in Table 144.

Table 144 – BACnetObjectTypeEnum Values

Name	Value	Description
analog-input	0	This object type represents physical analog input information, e. g. a sensor value.
analog-output	1	This object type represents physical analog output information, e. g. a 0-10V output.
analog-value	2	This object type represents an analog value (virtual) information, e. g. a setpoint value.
binary-input	3	This object type represents a binary input information, e. g. the state of a lamp or fuse.
binary-output	4	This object type represents a binary output information, e. g. a switch.
binary-value	5	This object type represents a binary value (virtual) information, e. g. an error state.
calendar	6	This object type represents calendar (date-based) information.
command	7	This object type represents command (scene) information.
device	8	This object type represents the physical device. It provides information like the local clock, the vendor, model-name and more.
event-enrollment	9	This object type is used to apply event monitoring in addition to the intrinsic reporting, e. g. to implement warning limits.
file	10	This object type represents files, e. g. the current configuration or persistent data.
group	11	This object type represents a group of objects local to the device.
loop	12	This object type represents controls loops, e. g. a PI or PID loop.
multi-state-input	13	This object type represents a physical multistate input information, e. g. a local operating mode switch.
multi-state-output	14	This object type represents a physical multistate output information, e. g. an operating mode switch controlled by the PLC.
notification-class	15	This object type represents an alarm class to notify recipients.
program	16	This object type represents the PLC program.
schedule	17	This object type represents a schedule (time based) used to specify weekly and/or exception schedule actions.
averaging	18	This object type represents an averaging object which provides statistic information.
multi-state-value	19	This object type represents a multistate value (virtual) information, e. g. program parameter.
trend-log	20	This object type represents a trendlog object support a single channel.
life-safety-point	21	This object type represents initiating and indicating devices in fire, life safety and security applications.
life-safety-zone	22	This object type represents an arbitrary group of BACnet Life Safety Point and Life Safety Zone objects in fire, life safety and security applications.
accumulator	23	This object type represents accumulated (impulse) values.
pulse-converter	24	This object type represents a converted impulse information, e. g. energy consumption in kWh.
event-log	25	This object type represents an eventlog buffer, e. g. to store alarms locally.
global-group	26	This object type represents a group of objects in one or more devices.
trend-log-multiple	27	This object type represents a trendlog object supporting multiple channels.
load-control	28	This object type represents the externally visible characteristics of a mechanism for controlling load requirements.
structured-view	29	This object type represents a user-oriented object hierarchy.
access-door	30	This object type represents a door in access-control systems.
unassigned	31	n/a
access-credential	32	This object type represents credentials in access-control systems.
access-point	33	This object type represents an access point in access-control systems.
access-rights	34	This object type represents the access rights in access-control systems.
access-user	35	This object type represents the user information in access-control systems.
access-zone	36	This object type represents the zone in access-control systems.
credentional-data-input	37	This object type represents the credential input (e. g. a card-reader) in access-control systems.
network-security	38	removed n/a
bitstring-value	39	This object type represents a bitstring information.
characterstring-value	40	This object type represents a string information.
date-pattern-value	41	This object type represents a date pattern. The pattern value 255 can be used as a wildcard.
date-value	42	This object type represents a specific single date information (day, month, year-1900, day-of-week).
datetime-pattern-value	43	This object type represents a combination of date and time supporting patterns.
datetime-value	44	This object type represents a combination of a specific date and time.
integer-value	45	This object type represents a signed integer value.
large-analog-value	46	This object type represents a large analog (8 BYTE LREAL) value.
octetstring-value	47	This object type represents an octetstring (hexadecimal) information.
positive-integer-value	48	This object type represents a positive integer (UNSIGNED) value.
time-pattern-value	49	This object type represents a time value supporting patterns.
time-value	50	This object type represents a specific time (hour, minute, second, hundredth of seconds).
notification-forwarder	51	This object type represents the characteristics required for the re-distribution of event notifications.
alert-enrollment	52	This object type represents the information required for managing information alerts from a BACnet device.
channel	53	This object type represents a channel in lighting applications.
lighting-output	54	This object type represents a lighting device.

Its representation in the AddressSpace is defined in Table 145.

Table 145 – BACnetObjectTypeEnum Definition

Attribute		Value
BrowseName		BACnetObjectTypeEnum
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of the Enumeration type defined in OPC 10000-5
0:HasProperty	Variable		0:EnumStrings	0:LocalizedText[]	0:PropertyType

10.4.22 BACnetPolarity

This DataType is an enumeration that defines the relationship between the physical state of some value and its logical state. Its values are defined in Table 146.

Table 146 – BACnetPolarity Values

Name	Value	Description
Normal	0
Reverse	1

Its representation in the AddressSpace is defined in Table 147.

Table 147 – BACnetPolarity Definition

Attribute		Value
BrowseName		BACnetPolarity
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of the Enumeration type defined in OPC 10000-5
0:HasProperty	Variable		0:EnumStrings	0:LocalizedText[]	0:PropertyType

10.4.23 BACnetProgramError

This DataType is an enumeration that defines the relationship between the physical state of some value and its logical state. Its values are defined in Table 148.

Table 148 – BACnetProgramError Values

Name	Value	Description
Normal	0
LoadFailed	1
Internal	2
Program	3
Other	4

Its representation in the AddressSpace is defined in Table 149.

Table 149 – BACnetProgramError Definition

Attribute		Value
BrowseName		BACnetProgramError
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of the Enumeration type defined in OPC 10000-5
0:HasProperty	Variable		0:EnumStrings	0:LocalizedText[]	0:PropertyType

10.4.24 BACnetProgramRequest

This DataType is an enumeration that defines the relationship between the physical state of some value and its logical state. Its values are defined in Table 150.

Table 150 – BACnetProgramRequest Values

Name	Value	Description
Ready	0
Load	1
Run	2
Halt	3
Restart	4
Unload	5

Its representation in the AddressSpace is defined in Table 151.

Table 151 – BACnetProgramRequest Definition

Attribute		Value
BrowseName		BACnetProgramRequest
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of the Enumeration type defined in OPC 10000-5
0:HasProperty	Variable		0:EnumStrings	0:LocalizedText[]	0:PropertyType

10.4.25 BACnetProgramStates

This DataType is an enumeration that defines the relationship between the physical state of some value and its logical state. Its values are defined in Table 152.

Table 152 – BACnetProgramStates Request

Name	Value	Description
Idle	0
Loading	1
Running	2
Waiting	3
Halted	4
Unloading	5

Its representation in the AddressSpace is defined in Table 153.

Table 153 – BACnetProgramStates Definition

Attribute		Value
BrowseName		BACnetProgramStates
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of the Enumeration type defined in OPC 10000-5
0:HasProperty	Variable		0:EnumStrings	0:LocalizedText[]	0:PropertyType

10.4.26 BACnetPropertyIdentifier

This DataType is an enumeration that defines identifiers for properties that may exist as part of an object, such as acknowledged transactions, door alarm state, and so forth. Its values are defined in Table 154.

Table 154 – BACnetPropertyIdentifier Values

Name	Value	Description
AckedTransitions	0
AckRequired	1
Action	2
ActionText	3
ActiveText	4
ActiveVtSessions	5
AlarmValue	6
AlarmValues	7
All	8
AllWritesSuccessful	9
ApduSegmentTimeout	10
ApduTimeout	11
ApplicationSoftwareVersion	12
Archive	13
Bias	14
ChangeOfStateCount	15
ChangeOfStateTime	16
NotificationClass	17
this property deleted	18
ControlledVariableReference	19
ControlledVariableUnits	20
ControlledVariableValue	21
CovIncrement	22
DateList	23
DaylightSavingsStatus	24
Deadband	25
DerivativeConstant	26
DerivativeConstantUnits	27
Description	28
DescriptionOfHalt	29
DeviceAddressBinding	30
DeviceType	31
EffectivePeriod	32
ElapsedActiveTime	33
ErrorLimit	34
EventEnable	35
EventState	36
EventType	37
ExceptionSchedule	38
FaultValues	39
FeedbackValue	40
FileAccessMethod	41
FileSize	42
FileType	43
FirmwareRevision	44
HighLimit	45
InactiveText	46
InProcess	47
InstanceOf	48
IntegralConstant	49
IntegralConstantUnits	50
Removed In Version 1 Revision 4_51	51
LimitEnable	52
ListOfGroupMembers	53
ListOfObjectPropertyReferences	54
Unassigned_55	55
LocalDate	56
LocalTime	57
Location	58
LowLimit	59
ManipulatedVariableReference	60
MaximumOutput	61
MaxApduLengthAccepted	62
MaxInfoFrames	63
MaxMaster	64
MaxPresValue	65
MinimumOffTime	66
MinimumOnTime	67
MinimumOutput	68
MinPresValue	69
ModelName	70
ModificationDate	71
NotifyType	72
NumberOfApduRetries	73
NumberOfStates	74
ObjectIdentifier	75
ObjectList	76
ObjectName	77
ObjectPropertyReference	78
ObjectType	79
Optional	80
OutOfService	81
OutputUnits	82
EventParameters	83
Polarity	84
PresentValue	85
Priority	86
PriorityArray	87
PriorityForWriting	88
ProcessIdentifier	89
ProgramChange	90
ProgramLocation	91
ProgramState	92
ProportionalConstant	93
ProportionalConstantUnits	94
Removed In Version 1 Revision 2_95	95
ProtocolObjectTypesSupported	96
ProtocolServicesSupported	97
ProtocolVersion	98
ReadOnly	99
ReasonForHalt	100
Removed In Version 1 Revision 4_101	101
RecipientList	102
Reliability	103
RelinquishDefault	104
Required	105
Resolution	106
SegmentationSupported	107
Setpoint	108
SetpointReference	109
StateText	110
StatusFlags	111
SystemStatus	112
TimeDelay	113
TimeOfActiveTimeReset	114
TimeOfStateCountReset	115
TimeSynchronizationRecipients	116
Units	117
UpdateInterval	118
UtcOffset	119
VendorIdentifier	120
VendorName	121
VtClassesSupported	122
WeeklySchedule	123
AttemptedSamples	124
AverageValue	125
BufferSize	126
ClientCovIncrement	127
CovResubscriptionInterval	128
Removed In Version 1 Revision 3_129	129
EventTimeStamps	130
LogBuffer	131
LogDeviceObjectProperty	132
Enable	133
LogInterval	134
MaximumValue	135
MinimumValue	136
NotificationThreshold	137
Removed In Version 1 Revision 3_138	138
ProtocolRevision	139
RecordsSinceNotification	140
RecordCount	141
StartTime	142
StopTime	143
StopWhenFull	144
TotalRecordCount	145
ValidSamples	146
WindowInterval	147
WindowSamples	148
MaximumValueTimestamp	149
MinimumValueTimestamp	150
VarianceValue	151
ActiveCovSubscriptions	152
BackupFailureTimeout	153
ConfigurationFiles	154
DatabaseRevision	155
DirectReading	156
LastRestoreTime	157
MaintenanceRequired	158
MemberOf	159
Mode	160
OperationExpected	161
Setting	162
Silenced	163
TrackingValue	164
ZoneMembers	165
LifeSafetyAlarmValues	166
MaxSegmentsAccepted	167
ProfileName	168
AutoSlaveDiscovery	169
ManualSlaveAddressBinding	170
SlaveAddressBinding	171
SlaveProxyEnable	172
LastNotifyRecord	173
ScheduleDefault	174
AcceptedModes	175
AdjustValue	176
Count	177
CountBeforeChange	178
CountChangeTime	179
CovPeriod	180
InputReference	181
LimitMonitoringInterval	182
LoggingObject	183
LoggingRecord	184
Prescale	185
PulseRate	186
Scale	187
ScaleFactor	188
UpdateTime	189
ValueBeforeChange	190
ValueSet	191
ValueChangeTime	192
AlignIntervals	193
Unassigned_194	194
IntervalOffset	195
LastRestartReason	196
LoggingType	197
Unassigned_198	198
Unassigned_199	199
Unassigned_200	200
Unassigned_201	201
RestartNotificationRecipients	202
TimeOfDeviceRestart	203
TimeSynchronizationInterval	204
Trigger	205
UtcTimeSynchronizationRecipients	206
NodeSubtype	207
NodeType	208
StructuredObjectList	209
SubordinateAnnotations	210
SubordinateList	211
ActualShedLevel	212
DutyWindow	213
ExpectedShedLevel	214
FullDutyBaseline	215
Unassigned_216	216
Unassigned_217	217
RequestedShedLevel	218
ShedDuration	219
ShedLevelDescriptions	220
ShedLevels	221
StateDescription	222
Unassigned_223	223
Unassigned_224	224
Unassigned_225	225
DoorAlarmState	226
DoorExtendedPulseTime	227
DoorMembers	228
DoorOpenTooLongTime	229
DoorPulseTime	230
DoorStatus	231
DoorUnlockDelayTime	232
LockStatus	233
MaskedAlarmValues	234
SecuredStatus	235
Unassigned_236	236
Unassigned_237	237
Unassigned_238	238
Unassigned_239	239
Unassigned_240	240
Unassigned_241	241
Unassigned_242	242
Unassigned_243	243
AbsenteeLimit	244
AccessAlarmEvents	245
AccessDoors	246
AccessEvent	247
AccessEventAuthenticationFactor	248
AccessEventCredential	249
AccessEventTime	250
AccessTransactionEvents	251
Accompaniment	252
AccompanimentTime	253
ActivationTime	254
ActiveAuthenticationPolicy	255
AssignedAccessRights	256
AuthenticationFactors	257
AuthenticationPolicyList	258
AuthenticationPolicyNames	259
AuthenticationStatus	260
AuthorizationMode	261
BelongsTo	262
CredentialDisable	263
CredentialStatus	264
Credentials	265
CredentialsInZone	266
DaysRemaining	267
EntryPoints	268
ExitPoints	269
ExpiryTime	270
ExtendedTimeEnable	271
FailedAttemptEvents	272
FailedAttempts	273
FailedAttemptsTime	274
LastAccessEvent	275
LastAccessPoint	276
LastCredentialAdded	277
LastCredentialAddedTime	278
LastCredentialRemoved	279
LastCredentialRemovedTime	280
LastUseTime	281
Lockout	282
LockoutRelinquishTime	283
Removed In Version 1 Revision 13_284	284
MaxFailedAttempts	285
Members	286
MusterPoint	287
NegativeAccessRules	288
NumberOfAuthenticationPolicies	289
OccupancyCount	290
OccupancyCountAdjust	291
OccupancyCountEnable	292
Removed In Version 1 Revision 13_293	293
OccupancyLowerLimit	294
OccupancyLowerLimitEnforced	295
OccupancyState	296
OccupancyUpperLimit	297
OccupancyUpperLimitEnforced	298
Removed In Version 1 Revision 13_299	299
PassbackMode	300
PassbackTimeout	301
PositiveAccessRules	302
ReasonForDisable	303
SupportedFormats	304
SupportedFormatClasses	305
ThreatAuthority	306
ThreatLevel	307
TraceFlag	308
TransactionNotificationClass	309
UserExternalIdentifier	310
UserInformationReference	311
Unassigned_312	312
Unassigned_313	313
Unassigned_314	314
Unassigned_315	315
Unassigned_316	316
UserName	317
UserType	318
UsesRemaining	319
ZoneFrom	320
ZoneTo	321
AccessEventTag	322
GlobalIdentifier	323
Unassigned_324	324
Unassigned_325	325
VerificationTime	326
BaseDeviceSecurityPolicy	327
DistributionKeyRevision	328
DoNotHide	329
KeySets	330
LastKeyServer	331
NetworkAccessSecurityPolicies	332
PacketReorderTime	333
SecurityPduTimeout	334
SecurityTimeWindow	335
SupportedSecurityAlgorithms	336
UpdateKeySetTimeout	337
BackupAndRestoreState	338
BackupPreparationTime	339
RestoreCompletionTime	340
RestorePreparationTime	341
BitMask	342
BitText	343
IsUtc	344
GroupMembers	345
GroupMemberNames	346
MemberStatusFlags	347
RequestedUpdateInterval	348
CovuPeriod	349
CovuRecipients	350
EventMessageTexts	351
EventMessageTextsConfig	352
EventDetectionEnable	353
EventAlgorithmInhibit	354
EventAlgorithmInhibitRef	355
TimeDelayNormal	356
ReliabilityEvaluationInhibit	357
FaultParameters	358
FaultType	359
LocalForwardingOnly	360
ProcessIdentifierFilter	361
SubscribedRecipients	362
PortFilter	363
AuthorizationExemptions	364
AllowGroupDelayInhibit	365
ChannelNumber	366
ControlGroups	367
ExecutionDelay	368
LastPriority	369
WriteStatus	370
PropertyList	371
SerialNumber	372
BlinkWarnEnable	373
DefaultFadeTime	374
DefaultRampRate	375
DefaultStepIncrement	376
EgressTime	377
InProgress	378
InstantaneousPower	379
LightingCommand	380
LightingCommandDefaultPriority	381
MaxActualValue	382
MinActualValue	383
Power	384
Transition	385
EgressActive	386

Its representation in the AddressSpace is defined in Table 155.

Table 155 – BACnetPropertyIdentifier Definition

Attribute		Value
BrowseName		BACnetPropertyIdentifier
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of the Enumeration type defined in OPC 10000-5
0:HasProperty	Variable		0:EnumStrings	0:LocalizedText[]	0:PropertyType

10.4.27 BACnetReinitializedStateofDevice

This DataType is an enumeration that represents the BACnet reinitialization state of a device. Its values are defined in Table 156.

Table 156 – BACnetReinitializedStateofDevice Values

Name	Value	Description
Coldstart	0	The precise interpretation of COLDSTART shall be defined by the vendor.
Warmstart	1	WARMSTART shall mean to reboot the device and start over, retaining all data and programs that would normally be retained during a brief power outage.
Startbackup	2	Starts a backup procedure.
Endbackup	3	Ends a backup procedure.
Startrestore	4	Starts a restore procedure.
Endrestore	5	Ends a restore procedure.
Abortrestore	6	Aborts a restore procedure.

Its representation in the AddressSpace is defined in Table 157.

Table 157 – BACnetReinitializedStateofDevice Definition

Attribute		Value
BrowseName		BACnetReinitializedStateofDevice
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of the Enumeration type defined in OPC 10000-5
0:HasProperty	Variable		0:EnumStrings	0:LocalizedText[]	0:PropertyType

10.4.28 BACnetReliability

This DataType is an enumeration that defines the various fault states that may be supported by an object. Its values are defined in Table 158.

Table 158 – BACnetReliability Values

Name	Value	Description
NoFaultDetected	0	The present value is reliable; that is, no other fault has been detected.
NoSensor	1	No sensor is connected to the Input object.
OverRange	2	The sensor connected to the Input is reading a value higher than the normal operating range. If the object is a Binary Input, this is possible when the Binary state is derived from an analog sensor or a binary input equipped with electrical loop supervision circuits.
UnderRange	3	The sensor connected to the Input is reading a value lower than the normal operating range. If the object is a Binary Input, this is possible when the Binary Input is actually a binary state calculated from an analog sensor.
OpenLoop	4	The connection between the defined object and the physical device is providing a value indicating an open circuit condition.
ShortedLoop	5	The connection between the defined object and the physical device is providing a value indicating a short circuit condition.
NoOutput	6	No physical device is connected to the Output object.
UnreliableOther	7	The controller has detected that the present value is unreliable, but none of the other conditions describe the nature of the problem. A generic fault other than those listed above has been detected, e.g., a Binary Input is not cycling as expected.
ProcessError	8	A processing error was encountered.
MultiStateFault	9	The FAULT_STATE, FAULT_LIFE_SAFETY or FAULT_CHARACTERSTRING fault algorithm has evaluated a fault condition.
ConfigurationError	10	The object's properties are not in a consistent state.
CommunicationFailure	12	Proper operation of the object is dependent on communication with a remote sensor or device and communication with the remote sensor or device has been lost.
MemberFault	13	Indicates that the set of referenced member objects includes one or more Status_Flags properties whose FAULT flag value is equal to TRUE.
MONITORED_OBJECT_FAULT	14	Indicates that the monitored object is in fault.
TRIPPED	15	The end device, such as an actuator, is not responding to commands, prevented by a tripped condition or by being mechanically held open.

Its representation in the AddressSpace is defined in Table 159.

Table 159 – BACnetReliability Definition

Attribute		Value
BrowseName		BACnetReliability
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of the Enumeration type defined in OPC 10000-5
0:HasProperty	Variable		0:EnumValues	0: EnumValueType[]	0:PropertyType

10.4.29 BACnetRestartReason

This DataType is an enumeration that represents a BACnet restart reason. Its values are defined in Table 160.

Table 160 – BACnetRestartReason Values

Name	Value	Description
unknown	0	The device cannot determine the cause of the last reset.
coldstart	1	A ReinitializeDevice request was received with a 'Reinitialized State of Device' of COLDSTART or the device was made to COLDSTART by some other means.
warmstart	2	A ReinitializeDevice request was received with a 'Reinitialized State of Device' of WARMSTART or the device was made to WARMSTART by some other means.
detected_power_lost	3	The device detected that incoming power was lost.
detected_powered_off	4	The device detected that its power switch was turned off.
hardware_watchdog	5	The hardware watchdog timer reset the device.
software_watchdog	6	The software watchdog timer reset the device.
suspended	7	The device was suspended. How the device was suspended or what it means to be suspended is a local matter.

Its representation in the AddressSpace is defined in Table 161.

Table 161 – BACnetRestartReason Definition

Attribute		Value
BrowseName		BACnetRestartReason
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of the Enumeration type defined in OPC 10000-5
0:HasProperty	Variable		0:EnumStrings	0:LocalizedText[]	0:PropertyType

10.4.30 BACnetSegmentation

This DataType is an enumeration that defines the segmentation of a transmission. Its values are defined in Table 162.

Table 162 – BACnetSegmentation Values

Name	Value	Description
segmented-both	0
segmented-transmit	1
segmented-receive	2
no-segmentation	3

Its representation in the AddressSpace is defined in Table 163.

Table 163 – BACnetSegmentation Definition

Attribute		Value
BrowseName		BACnetSegmentation
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of the Enumeration type defined in OPC 10000-5
0:HasProperty	Variable		0:EnumStrings	0:LocalizedText[]	0:PropertyType

10.5 OPC UA Structure DataTypes

10.5.1 General

BACnet SEQUENCE definitions are mapped to OPC UA Structure DataTypes.

BACnet CHOICE definitions are mapped to OPC UA Union DataTypes. These types are defined in 10.6.

10.5.2 BACnetAddress

This DataType is a structure that represents a BACnet address. Its composition is formally defined in Table 164.

Table 164 – BACnetAddress Structure

Name	Type	Description
BACnetAddress	structure
NetworkNumber	0:UInt16	A value 0 indicates the local network
MacAddress	0:ByteString	A string of length 0 indicates a broadcast

Its representation in the AddressSpace is defined in Table 165.

Table 165 – BACnetAddress Definition

Attribute		Value
BrowseName		BACnetAddress
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of 0:Structure

10.5.3 BACnetAddressBinding

This DataType is a structure that defines the network address binding of a BACnet object. Its composition is formally defined in Table 166.

Table 166 – BACnetAddressBinding Structure

Name	Type	Description
BACnetAddressBinding	structure
DeviceObjectIdentifier	BACnetObjectIdentifier	The DataType BACnetObjectIdentifier is defined in 10.2.1.
DeviceAddress	BACnetAddress	The DataType BACnetAddress is defined in 10.5.2.

Its representation in the AddressSpace is defined in Table 167

Table 167 – BACnetAddressBinding Definition

Attribute		Value
BrowseName		BACnetAddressBinding
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of 0:Structure

10.5.4 BACnetCOVSubscription

This DataType is a structure that defines the change-of-value subscription for a BACnet object. Its composition is formally defined in Table 168.

Table 168 – BACnetCOVSubscription Structure

Name	Type	Description	Optional
BACnetCOVSubscription	structure
Recipient	BACnetRecipientProcess	The DataType BACnetRecipientProcess is defined in 10.5.30.	False
MonitoredProperty Reference	BACnetDeviceObjectPropertyReference	The DataType BACnetDeviceObjectPropertyReference is defined in 10.5.10.	False
IssueConfirmed Notifications	0:Boolean		False
TimeRemaining	UInt32		False
CovIncrement	0:Float		True

Its representation in the AddressSpace is defined in Table 169.

Table 169 – BACnetCOVSubscription Definition

Attribute		Value
BrowseName		BACnetCOVSubscription
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of 0:Structure

10.5.5 BACnetDailySchedule

This DataType is a structure that defines a sequence of BACnetTimeValue structures. Each element in the sequence defines a time/value pair that describes the state of the object at a given point in the day. Its composition is formally defined in Table 170.

Table 170 – BACnetDailySchedule Structure

Name	Type	Description
BACnetDailySchedule	structure
Day-schedule	BACnetTimeValue []	The DataType BACnetTimeValue is defined in 10.5.33

Its representation in the AddressSpace is defined in Table 171.

Table 171 – BACnetDailySchedule Definition

Attribute		Value
BrowseName		BACnetDailySchedule
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of 0:Structure

10.5.6 BACnetDate

This DataType is a structure that defines a calendar date. Its composition is formally defined in Table 172.

Table 172 – BACnetDate Structure

Name	Type	Description
BACnetDate	structure
Year	BACnetYear	The DataType BACnetYear is defined in 10.2.2
Month	BACnetMonth	The DataType BACnetMonth is defined in 10.4.18
DayOfMonth	BACnetDayOfMonth	The DataType BACnetDayOfMonth is defined in 10.4.6
DayOfWeek	BACnetDayOfWeek	The DataType BACnetDayOWeek is defined in 10.4.7

Its representation in the AddressSpace is defined in Table 173.

Table 173 – BACnetDate Definition

Attribute		Value
BrowseName		BACnetDate
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of 0:Structure

10.5.7 BACnetDateRange

This DataType is a structure that defines a time span, with absolute start and end times. Its composition is formally defined in Table 174.

Table 174 – BACnetDateRange Structure

Name	Type	Description
BACnetDateRange	structure
StartDate	BACnetDate	The DataType BACnetDate is defined in 10.5.6.
EndTime	BACnetDate	The DataType BACnetDate is defined in 10.5.6.

Its representation in the AddressSpace is defined in Table 175.

Table 175 – BACnetDateRange Definition

Attribute		Value
BrowseName		BACnetDateRange
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of 0:Structure

10.5.8 BACnetDateTime

This DataType is a structure that defines a calendar date and an absolute time. Its composition is formally defined in Table 176.

Table 176 – BACnetDateTime Structure

Name	Type	Description
BACnetDateTime	structure
Date	BACnetDate	The DataType BACnetDate is defined in 10.5.6.
Time	BACnetTime	The DataType BACnetDate is defined in 10.5.32.

Its representation in the AddressSpace is defined in Table 177.

Table 177 – BACnetDateTime Definition

Attribute		Value
BrowseName		BACnetDateTime
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of 0:Structure

10.5.9 BACnetDestination

This DataType is a structure that represents a BACnet destination. Its composition is formally defined in Table 178.

Table 178 – BACnetDestination Structure

Name	Type	Description
BACnetDestination	structure
ValidDays	BACnetDaysOfWeek	The DataType BACnetDaysOfWeek is defined in 10.3.2
FromTime	BACnetTime	The DataType BACnetTime is defined in 10.5.32
ToTime	BACnetTime	The DataType BACnetTime is defined in 10.5.32
Recipient	BACnetRecipient	The DataType BACnetRecipient is defined in 10.6.9
ProcessIdentifier	UInt32
IssueConfirmedNotifications	0:Boolean
Transitions	BACnetEventTransitionBits	The DataType BACnetEventTransitionBits is defined in 10.3.3

Its representation in the AddressSpace is defined in Table 179.

Table 179 – BACnetDestination Definition

Attribute		Value
BrowseName		BACnetDestination
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of 0:Structure

10.5.10 BACnetDeviceObjectPropertyReference

This OPC UA DataType also covers the superset of the BACnet data types BACnetDeviceObjectPropertyReference, BACnetDeviceObjectReference and BACnetObjectPropertyReference. This is used to simplify the view from the OPC UA client side. It covers also changes in BACnet properties where the included type was changed to BACnetDeviceObjectPropertyReference.

This DataType is a structure that defines a reference to a 0:PropertyType of a BACnet object. Its composition is formally defined in Table 180.

Table 180 – BACnetDeviceObjectPropertyReference Structure

Name	Type	Description	Optional
BACnetDeviceObject PropertyReference	structure
ObjectIdentifier	BACnetObjectIdentifier	Object properties that contain BACnetObjectIdentifiers may use 4194303 to indicate that the 0:PropertyType is not initialized.	False
PropertyIdentifier	BACnetPropertyIdentifier	The propertyIdentifier is not specified if the structure represents a BACnetDeviceObjectReference.	True
PropertyArrayIndex	UInt32	Used only with array datatype. If omitted with an array then the entire array is referenced.	True
DeviceIdentifier	BACnetObjectIdentifier	The deviceIdentifier is not specified if the structure represents a BACnetObjectPropertyReference.	True

Its representation in the AddressSpace is defined in Table 181.

Table 181 – BACnetDeviceObjectPropertyReference Definition

Attribute		Value
BrowseName		BACnetDeviceObjectPropertyReference
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of 0:Structure

10.5.11 BACnetEventParameterBufferReady

This DataType is a structure that represents a buffer ready event parameter. Its composition is formally defined in Table 182.

Table 182 – BACnetEventParameterBufferReady Structure

Name	Type	Description
BACnetEventParameterBufferReady	structure
notification-threshold	0:UInt32
Previous-notification-count	0:UInt32

Its representation in the AddressSpace is defined in Table 183.

Table 183 – BACnetEventParameterBufferReady Definition

Attribute		Value
BrowseName		BACnetEventParameterBufferReady
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of 0:Structure

10.5.12 BACnetEventParameterChangeOfBitstring

This DataType is a structure that represents a change of bitstring event parameter. Its composition is formally defined in Table 184.

Table 184 – BACnetEventParameterChangeOfBitstring Structure

Name	Type	Description	Allow Subtypes
BACnetEventParameterChangeOfBitstring	structure
Time-delay	0:UInt32		False
bitmask	0:OptionSet		True
List-of-bitstring-values	0:OptionSet[]		True

Its representation in the AddressSpace is defined in Table 185.

Table 185 – BACnetEventParameterChangeOfBitstring Definition

Attribute		Value
BrowseName		BACnetEventParameterChangeOfBitstring
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of 0:Structure

10.5.13 BACnetEventParameterChangeOfCharacterString

This DataType is a structure that represents a change of char string event parameter. Its composition is formally defined in Table 186.

Table 186 – BACnetEventParameterChangeOfCharacterString Structure

Name	Type	Description
BACnetEventParameterChangeOfCharacterString	structure
Time-delay	0:UInt32
AlarmValues	0:String[]

Its representation in the AddressSpace is defined in Table 187.

Table 187 – BACnetEventParameterChangeOfCharacterString Definition

Attribute		Value
BrowseName		BACnetEventParameterChangeOfCharacterString
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of 0:Structure

10.5.14 BACnetEventParameterChangeOfLifeSafety

This DataType is a structure that represents a change of char string event parameter. Its composition is formally defined in Table 188.

Table 188 – BACnetEventParameterChangeOfLifeSafety Structure

Name	Type	Description
BACnetEventParameterChangeOfLifeSafety	structure
NewState	BACnetLifeSafetyState
NewMode	BACnetLifeSafetyMode
OperationExtended	BACnetLifeSafetyOperation

Its representation in the AddressSpace is defined in Table 189.

Table 189 – BACnetEventParameterChangeOfLifeSafety Definition

Attribute		Value
BrowseName		BACnetEventParameterChangeOfLifeSafety
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of 0:Structure

10.5.15 BACnetEventParameterChangeOfState

This DataType is a structure that represents a change of state event parameter. Its composition is formally defined in Table 190.

Table 190 – BACnetEventParameterChangeOfState Structure

Name	Type	Description
BACnetEventParameterChangeOfState	structure
Time-delay	0:UInt32
List-of -values	BACnetPropertyStates[]

Its representation in the AddressSpace is defined in Table 191.

Table 191 – BACnetEventParameterChangeOfState Definition

Attribute		Value
BrowseName		BACnetEventParameterChangeOfState
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of 0:Structure

10.5.16 BACnetEventParameterChangeOfValue

This DataType is a structure that represents a change of value event parameter. Its composition is formally defined in Table 192.

Table 192 – BACnetEventParameterChangeOfValue Structure

Name	Type	Description	Allow Subtypes
BACnetEventParameterChangeOfValue	structure
Time-delay	0:UInt32		False
Cov-criteria-bitmask	0:OptionSet		True
Cov-criteria-referenced-property-increment	0:Float		False

Its representation in the AddressSpace is defined in Table 193.

Table 193 – BACnetEventParameterChangeOfValue Definition

Attribute		Value
BrowseName		BACnetEventParameterChangeOfValue
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of 0:Structure

10.5.17 BACnetEventParameterCommandFailure

This DataType is a structure that represents a command failure event parameter. Its composition is formally defined in Table 194.

Table 194 – BACnetEventParameterCommandFailure Structure

Name	Type	Description
BACnetEventParameterCommandFailure	structure
Time-delay	0:UInt32
Feedback-property-reference	BACnetDeviceObjectPropertyReference

Its representation in the AddressSpace is defined in Table 195.

Table 195 – BACnetEventParameterCommandFailure Definition

Attribute		Value
BrowseName		BACnetEventParameterCommandFailure
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of 0:Structure

10.5.18 BACnetEventParameteDoubleOutOfRange

This DataType is a structure that represents a double parameter out of range event parameter. Its composition is formally defined in Table 196.

Table 196 – BACnetEventParameterDoubleOutOfRange Structure

Name	Type	Description
BACnetEventParameterDoubleOutOfRange	structure
Time-delay	0:UInt32
Low-limit	0:Double
High-limit	0:Double
deadband	0:Double

Its representation in the AddressSpace is defined in Table 197.

Table 197 – BACnetEventParameterDoubleOutOfRange Definition

Attribute		Value
BrowseName		BACnetEventParameterDoubleOutOfRange
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of 0:Structure

10.5.19 BACnetEventParameterFloatingLimit

This DataType is a structure that represents a floating limit event parameter. Its composition is formally defined in Table 198.

Table 198 – BACnetEventParameterFloatingLimit Structure

Name	Type	Description
BACnetEventParameterFloatingLimit	structure
Time-delay	0:UInt32
Setpoint-reference	BACnetDeviceObjectPropertyReference
Low-diff-limit	0:Double
High-diff-limit	0:Double
deadband	0:Double

Its representation in the AddressSpace is defined in Table 199.

Table 199 – BACnetEventParameterFloatingLimit Definition

Attribute		Value
BrowseName		BACnetEventParameterFloatingLimit
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of 0:Structure

10.5.20 BACnetEventParameterOutOfRange

This DataType is a structure that represents a parameter out of range event parameter. Its composition is formally defined in Table 200.

Table 200 – BACnetEventParameterOutOfRange Structure

Name	Type	Description
BACnetEventParameterOutOfRange	structure
Time-delay	0:UInt32
Low-limit	0:Double
High-limit	0:Double
Deadband	0:Double

Its representation in the AddressSpace is defined in Table 201.

Table 201 – BACnetEventParameterOutOfRange Definition

Attribute		Value
BrowseName		BACnetEventParameterOutOfRange
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of 0:Structure

10.5.21 BACnetEventParameterSignedOutOfRange

This DataType is a structure that represents a signed parameter out of range event parameter. Its composition is formally defined in Table 202.

Table 202 – BACnetEventParameterSignedOutOfRange Structure

Name	Type	Description
BACnetEventParameterSignedOutOfRange	structure
Time-delay	0:UInt32
Low-limit	0:Int32
High-limit	0:Int32
deadband	0:UInt32

Its representation in the AddressSpace is defined in Table 203.

Table 203 – BACnetEventParameterSignedOutOfRange Definition

Attribute		Value
BrowseName		BACnetEventParameterSignedOutOfRange
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of 0:Structure

10.5.22 BACnetEventParameterUnsignedOutOfRange

This DataType is a structure that represents an unsigned parameter out of range event parameter. Its composition is formally defined in Table 204.

Table 204 – BACnetEventParameterUnsignedOutOfRange Structure

Name	Type	Description
BACnetEventParameterUnsignedOutOfRange	structure
Time-delay	0:UInt32
Low-limit	0:UInt32
High-limit	0:UInt32
deadband	0:UInt32

Its representation in the AddressSpace is defined in Table 205.

Table 205 – BACnetEventParameterUnsignedOutOfRange Definition

Attribute		Value
BrowseName		BACnetEventParameterUnsignedOutOfRange
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of 0:Structure

10.5.23 BACnetEventFaultParameterExtended

This DataType is a structure that represents a parameter extended event parameter. Its composition is formally defined in Table 206.

Table 206 – BACnetEventParameterExtended Structure

Name	Type	Description	Allow Subtypes
BACnetEventFaultParameterExtended	structure
vendorId	0:UInt16		False
Extended-fault-type	0:UInteger		True
parameters	BACnetEventParameterExtendedParameters[]		False

Its representation in the AddressSpace is defined in Table 207.

Table 207 – BACnetEventFaultParameterExtended Definition

Attribute		Value
BrowseName		BACnetEventFaultParameterExtended
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of 0:Structure

10.5.24 BACnetEventParameterUnsignedRange

This DataType is a structure that represents an unsigned parameter out of range event parameter. Its composition is formally defined in Table 208.

Table 208 – BACnetEventParameterUnsignedRange Structure

Name	Type	Description
BACnetEventParameterUnsignedRange	structure
Time-delay	0:UInt32
Low-limit	0:UInt32
High-limit	0:UInt32

Its representation in the AddressSpace is defined in Table 209.

Table 209 – BACnetEventParameterUnsignedRange Definition

Attribute		Value
BrowseName		BACnetEventParameterUnsignedRange
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of 0:Structure

10.5.25 BACnetFaultParameterFaultCharacterstring

This DataType is a structure that represents char string fault parameter. Its composition is formally defined in Table 210.

Table 210 – BACnetFaultParameterFaultCharacterstring Structure

Name	Type	Description
BACnetFaultParameterFaultCharacterstring	structure
Fault-characterstring	0:String

Its representation in the AddressSpace is defined in Table 211.

Table 211 – BACnetFaultParameterFaultCharacterstring Definition

Attribute		Value
BrowseName		BACnetFaultParameterFaultCharacterstring
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of 0:Structure

10.5.26 BACnetFaultParameterFaultLifeSafety

This DataType is a structure that represents fault safety fault parameter. Its composition is formally defined in Table 212.

Table 212 – BACnetFaultParameterFaultLifeSafety Structure

Name	Type	Description
BACnetFaultParameterFaultLifeSafety	structure
List-of-fault-values	BACnetLifeSafetyState[]
Mode-property-reference	BACnetDeviceObjectPropertyReference

Its representation in the AddressSpace is defined in Table 213.

Table 213 – BACnetFaultParameterFaultLifeSafety Definition

Attribute		Value
BrowseName		BACnetFaultParameterFaultLifeSafety
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of 0:Structure

10.5.27 BACnetFaultParameterFaultState

This DataType is a structure that represents fault safety fault parameter. Its composition is formally defined in Table 214.

Table 214 – BACnetFaultParameterFaultState Structure

Name	Type	Description
BACnetFaultParameterFaultState	structure
List-of-fault-values	BACnetProgramStates[]

Its representation in the AddressSpace is defined in Table 215.

Table 215 – BACnetFaultParameterFaultState Definition

Attribute		Value
BrowseName		BACnetFaultParameterFaultState
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of 0:Structure

10.5.28 BACnetFaultParameterFaultStatusFlags

This DataType is a structure that represents fault status flags fault parameter. Its composition is formally defined in Table 216.

Table 216 – BACnetFaultParameterFaultStatusFlags Structure

Name	Type	Description
BACnetFaultParameterFaultStatusFlags	structure
Status-flags-reference	BACnetDeviceObjectPropertyReference []

Its representation in the AddressSpace is defined in Table 217.

Table 217 – BACnetFaultParameterFaultStatusFlags Definition

Attribute		Value
BrowseName		BACnetFaultParameterFaultStatusFlags
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of 0:Structure

10.5.29 BACnetPropertyStates

This DataType is a structure that represents property states. Its composition is formally defined in Table 218.

Table 218 – BACnetPropertyStates Structure

Name	Type	Description
BACnetPropertyStates	structure
BooleanValue	0:Boolean
BinaryValue	BACnetBinaryPV
EventType	BACnetEventEnumType
Polarity	BACnetPolarity
ProgramChange	BACnetProgramRequest
ProgramState	BACnetProgramStates
ProgramError	BACnetProgramError
Reliability	BACnetReliability
State	BACnetEventState
SystemStatus	BACnetDeviceStatus
Units	0:EUInformation
UnsignedValue	0:UInt32
LifeSafetyMode	BACnetLifeSafetyMode
LifeSafetyState	BACnetLifeSafetyState

Its representation in the AddressSpace is defined in Table 219.

Table 219 – BACnetPropertyStates Definition

Attribute		Value
BrowseName		BACnetPropertyStates
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of 0:Structure

10.5.30 BACnetRecipientProcess

This DataType is a structure that represents the recipient process. Its composition is formally defined in Table 220.

Table 220 – BACnetRecipientProcess Structure

Name	Type	Description
BACnetRecipientProcess	structure
Recipient	BACnetRecipient	The DataType BACnetRecipient is defined in 10.6.9
ProcessIdentifier	UInt32

Its representation in the AddressSpace is defined in Table 221.

Table 221 – BACnetRecipientProcess Definition

Attribute		Value
BrowseName		BACnetRecipientProcess
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of 0:Structure

10.5.31 BACnetSpecialEvent

This DataType is a structure that defines a period, a list of time values, and a priority. It is a means to identify moments in time over one or more days. Its composition is formally defined in Table 222.

Table 222 – BACnetSpecialEvent Structure

Name	Type	Description
BACnetSpecialEvent	structure
Period	BACnetSpecialEventPeriod	The DataType BACnetSpecialEventPeriod is defined in
ListOfTimeValues	BACnetTimeValue[]	The DataType BACnetTimeValue is defined in 10.5.33
EventPriority	Byte

Its representation in the AddressSpace is defined in Table 223.

Table 223 – BACnetSpecialEvent Definition

Attribute		Value
BrowseName		BACnetSpecialEvent
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of 0:Structure

10.5.32 BACnetTime

This DataType is a structure that represents a time. Its composition is formally defined in Table 224.

Table 224 – BACnetTime Structure

Name	Type	Description
BACnetTime	structure
Hour	Byte
Minute	Byte
Second	Byte
Hundredths	Byte

Its representation in the AddressSpace is defined in Table 225.

Table 225 – BACnetTime Definition

Attribute		Value
BrowseName		BACnetTime
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of 0:Structure

10.5.33 BACnetTimeValue

This DataType is a structure that represents a BACnet time value. Its composition is formally defined in Table 226.

Table 226 – BACnetTimeValue Structure

Name	Type	Description
BACnetTimeValue	structure
Time	BACnetTime	The DataType BACnetTime is defined in 10.5.32
Value	BACnetTimeValueValue	The DataType BACnetTimeValueValue is defined in 10.5.34

Its representation in the AddressSpace is defined in Table 227.

Table 227 – BACnetTimeValue Definition

Attribute		Value
BrowseName		BACnetTimeValue
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of 0:Structure

10.5.34 BACnetTimeValueValue

This DataType is a structure that represents a BACnet value used in BACnet time value. Its composition is formally defined in Table 228. If the BACnet value is NULL, the OPC UA value shall be set to NULL.

Table 228 – BACnetTimeValueValue Structure

Name	Type	Description	Allow Subtypes
BACnetTimeValueValue	structure
BooleanValue	0:Boolean		False
UnsignedValue	0:UInteger		True
SignedValue	0:Integer		True
OctedStringValue	0:ByteString		False
CharStringValue	0:String		False
ObjectIdentifierValue	BACnetObjectIdentifier		False
EnumerationValue	0:Int32		False
BitStringValue	0:OptionSet		True

Its representation in the AddressSpace is defined in Table 229.

Table 229 – BACnetTimeValueValue Definition

Attribute		Value
BrowseName		BACnetTimeValueValue
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of 0:Structure

10.5.35 BACnetWeekNDay

This DataType is a structure that defines a combination of day and month using numeric codes. Its composition is formally defined in Table 230.

Table 230 – BACnetWeekNDay Structure

Name	Type	Description
BACnetWeekNDay	structure
Month	BACnetMonth	The DataType BACnetMonth is defined in 10.4.18.
Day	BACnetDay	The DataType BACnetDay is defined in 10.4.5.
DayOfWeek	BACnetDayOfWeek	The DataType BACnetDay is defined in 10.4.7.

Its representation in the AddressSpace is defined in Table 231.

Table 231 – BACnetWeekNDay Definition

Attribute		Value
BrowseName		BACnetWeekNDay
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of 0:Structure

10.6 OPC UA Union DataTypes

10.6.1 General

BACnet CHOICE definitions are mapped to OPC UA Structure DataTypes derived from the Union DataType defined in OPC 10000-3.

10.6.2 BACnetCalendarEntry

This DataType is a union that defines various calendar date values. Its composition is formally defined in Table 232.

Table 232 – BACnetCalendarEntry Union

Name	Type	Description
BACnetCalendarEntry	union
Date	BACnetDate	The DataType BACnetDate is defined in 10.5.6.
DateRange	BACnetDateRange	The DataType BACnetDateRange is defined in 10.5.7.
WeekNDay	BACnetWeekNDay	The DataType BACnetWeekNDay is defined in 10.5.35.

Its representation in the AddressSpace is defined in Table 233.

Table 233 – BACnetCalendarEntry Definition

Attributes		Value
BrowseName		BACnetCalendarEntry
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of Union defined in OPC 10000-5.

10.6.3 BACnetClientCOV

This DataType is a union that represents the client COV. Its composition is formally defined in Table 234. If the Default-increment shall be used, the value is set to NULL.

Table 234 – BACnetClientCOV Structure

Name	Type	Description
BACnetClientCOV	union
Real-increment	0:Float

Its representation in the AddressSpace is defined in Table 235.

Table 235 – BACnetClientCOV Definition

Attributes		Value
BrowseName		BACnetClientCOV
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of Union defined in OPC 10000-5.

10.6.4 BACnetEventParameter

This DataType is a union that represents the event parameter. Its composition is formally defined in Table 236. If the event parameter is None-event, the value is set to NULL. Event state transitions are also indicated if the value of the mode parameter changed since the last transition indicated. In this case, any time delays are overridden and the transition is indicated immediately.

Table 236 – BACnetEventParameter Structure

Name	Type	Description
BACnetEventParameter	union
Change-of-bitstring	BACnetEventParameterChangeOfBitstring	The CHANGE_OF_BITSTRING event algorithm detects whether the monitored value of type BIT STRING equals a value that is listed as an alarm value, after applying a bitmask.
Change-of-state	BACnetEventParameterChangeOfState	The CHANGE_OF_STATE event algorithm detects whether the monitored value equals a value that is listed as an alarm value. The monitored value may be of any discrete or enumerated data type, including Boolean.
Change-of-value	BACnetEventParameterChangeOfValue	The CHANGE_OF_VALUE event algorithm, for monitored values of datatype REAL, detects whether the absolute value of the monitored value changes by an amount equal to or greater than a positive REAL increment.
Command-failure	BACnetEventParameterCommandFailure	The COMMAND_FAILURE event algorithm detects whether the monitored value and the feedback value disagree for a time period. It may be used, for example, to verify that a process change has occurred after writing a property.
Floating-limit	BACnetEventParameterFloatingLimit	The FLOATING_LIMIT event algorithm detects whether the monitored value exceeds a range defined by a setpoint, a high difference limit, a low difference limit and a deadband.
Out-of-range	BACnetEventParameterOutOfRange	The OUT_OF_RANGE event algorithm detects whether the monitored value exceeds a range defined by a high limit and a low limit. Each of these limits may be enabled or disabled. If disabled, the normal range has no higher limit or no lower limit. In order to reduce jitter of the resulting event state, a deadband is applied when the value is in the process of returning to the normal range.
Extended	BACnetEventFaultParameterExtended	The EXTENDED event algorithm detects event conditions based on a proprietary event algorithm. The proprietary event algorithm uses parameters and conditions defined by the vendor. The algorithm is identified by a vendor-specific event type that is in the scope of the vendor's vendor identification code. The algorithm may, at the vendor's discretion, indicate a new event state, a transition to the same event state, or no transition to the Event-State-Detection. The indicated new event states may be NORMAL, and any OffNormal event state. FAULT event state may not be indicated by this algorithm. For the purpose of proprietary evaluation of unreliability conditions that may result in FAULT event state, a FAULT_EXTENDED fault algorithm shall be used.
Buffer-ready	BACnetEventParameterBufferReady	The BUFFER_READY event algorithm detects whether a defined number of records have been added to a log buffer since start of operation or the previous notification, whichever is most recent.
Unsigned-range	BACnetEventParameterUnsignedRange	The UNSIGNED_RANGE event algorithm detects whether the monitored value exceeds a range defined by a high limit and a low limit.
Double-out-of-range	BACnetEventParameterDoubleOutOfRange	The DOUBLE_OUT_OF_RANGE event algorithm detects whether the monitored value exceeds a range defined by a high limit and a low limit. Each of these limits may be enabled or disabled. If disabled, the normal range has no lower limit or no higher limit respectively. In order to reduce jitter of the resulting event state, a deadband is applied when the value is in the process of returning to the normal range.
Signed-out-of-range	BACnetEventParameterSignedOutOfRange	The SIGNED_OUT_OF_RANGE event algorithm detects whether the monitored value exceeds a range defined by a high limit and a low limit. Each of these limits may be enabled or disabled. If disabled, the normal range has no lower limit or no higher limit respectively. In order to reduce jitter of the resulting event state, a deadband is applied when the value is in the process of returning to the normal range.
Unsigned-out-of-range	BACnetEventParameterUnsignedOutOfRange	The UNSIGNED_OUT_OF_RANGE event algorithm detects whether the monitored value exceeds a range defined by a high limit and a low limit. Each of these limits may be enabled or disabled. If disabled, the normal range has no lower limit or no higher limit respectively. In order to reduce jitter of the resulting event state, a deadband is applied when the value is in the process of returning to the normal range.
Change-of-characterstring	BACnetEventParameterChangeOfCharacterString	The CHANGE_OF_CHARACTERSTRING event algorithm detects whether the monitored value matches a character string that is listed as an alarm value. Alarm values are of type BACnetOptionalCharacterString, and may also be NULL or an empty character string.
Change-of-life-safety	BACnetEventParameterChangeOfLifeSafety	The CHANGE_OF_LIFE_SAFETY event algorithm detects whether the monitored value equals a value that is listed as an alarm value or life safety alarm value. Event state transitions are also indicated if the value of the mode parameter changed since the last transition indicated. In this case, any time delays are overridden and the transition is indicated immediately.

Its representation in the AddressSpace is defined in Table 237.

Table 237 – BACnetEventParameter Definition

Attributes		Value
BrowseName		BACnetEventParameter
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of Union defined in OPC 10000-5.

10.6.5 BACnetEventParameterExtendedParameters

This DataType is a union that represents the event parameter values. Its composition is formally defined in Table 238

Table 238 – BACnetEventParameterExtendedParameters Structure

Name	Type	Description	Allow Subtypes
BACnetEventParameterExtendedParameters	union
real	0:Double		False
unsigned	0:UInt32		False
boolean	0:Boolean		False
double	0:Double		False
octed	0:Byte[]		False
characterString	0:String		False
bitString	0:OptionSet		True
enum	0:UInt32		False
date	BACnetDate		False
time	BACnetTime		False
objectIdentifier	BACnetObjectIdentifier		False
reference	BACnetDeviceObjectPropertyReference		False
integer	0:Int32		False

Its representation in the AddressSpace is defined in Table 239.

Table 239 – BACnetEventParameterExtendedParameters Definition

Attributes		Value
BrowseName		BACnetEventParameterExtendedParameters
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of Union defined in OPC 10000-5.

10.6.6 BACnetFaultParameter

This DataType is a union that represents fault parameter. Its composition is formally defined in Table 240. If the value is set to NULL, “NONE” is selected. The NONE fault algorithm is a placeholder for the case where no fault algorithm is applied by the object. This fault algorithm has no parameters, no conditions, and does not indicate any transitions of reliability.

Table 240 – BACnetFaultParameter Structure

Name	Type	Description
BACnetFaultParameter	union
Fault-characterstring	BACnetFaultParameterFaultCharacterstring	The FAULT_CHRACTERSTRING event algorithm detects whether the monitored value matches a character string that is listed as a fault value. Fault values are of type BACnetOptionalCharacterString and may also be NULL or an empty character string.
Fault-life-safety	BACnetFaultParameterFaultLifeSafety	The FAULT_LIFE_SAFETY fault algorithm detects whether the monitored value equals a value that is listed as a fault value. The monitored value is of type BACnetLifeSafetyState. If internal operational reliability is unreliable, then the internal reliability takes precedence over evaluation of the monitored value.
Fault-state	BACnetFaultParameterFaultState	The FAULT_STATE fault algorithm detects whether the monitored value equals a value that is listed as a fault value. The monitored value may be of any discrete or enumerated data type, including Boolean. If internal operational reliability is unreliable, then the internal reliability takes precedence over evaluation of the monitored value.
Fault-status-flags	BACnetFaultParameterFaultStatusFlags	The FAULT_STATUS_FLAGS fault algorithm detects whether the monitored status flags are indicating a fault condition.
Fault-extended	BACnetEventFaultParameterExtended	The FAULT_EXTENDED fault algorithm detects fault conditions based on a proprietary fault algorithm. The proprietary fault algorithm uses parameters and conditions defined by the vendor. The algorithm is identified by a vendor-specific fault type that is in the scope of the vendor's vendor identification code. The algorithm may, at the vendor's discretion, indicate a new reliability, a transition to the same reliability, or no transition to the reliability-evaluation process.

Its representation in the AddressSpace is defined in Table 241.

Table 241 – BACnetFaultParameter Definition

Attributes		Value
BrowseName		BACnetFaultParameter
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of Union defined in OPC 10000-5.

10.6.7 BACnetMessageClass

This DataType is a union that defines a message class. Its composition is formally defined in Table 242.

Table 242 – BACnetMessageClass Union

Name	Type	Description	Allow Subtypes
BACnetMessageClass	union
Unsigned	0:UInteger		True
String	0:String		False

Its representation in the AddressSpace is defined in Table 243.

Table 243 – BACnetMessageClass Definition

Attributes		Value
BrowseName		BACnetMessageClass
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of Union defined in OPC 10000-5.

10.6.8 BACnetPriorityValue

This DataType is a union that defines a context specific priority, where the context is based on data type (character string, 0:Boolean, and so on). Its composition is formally defined in Table 244. If there is no PriorityValue (None), the value is NULL.

Table 244 – BACnetPriorityValue Union

Name	Type	Description	Allow Subtypes
BACnetPriorityValue	union
Real	0:Float		False
Enumerated	0:Int32		False
Unsigned	0:UInteger		True
Boolean	0:Boolean		False
Signed	0:Integer		True
Double	0:Double		False

Its representation in the AddressSpace is defined in Table 245.

Table 245 – BACnetPriorityValue Definition

Attributes		Value
BrowseName		BACnetPriorityValue
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of Union defined in OPC 10000-5.

10.6.9 BACnetRecipient

This DataType is a union that represents a recipient. Its composition is formally defined in Table 246.

Table 246 – BACnetRecipient Structure

Name	Type	Description
BACnetRecipient	union
Device	BACnetObjectIdentifier	The DataType BACnetObjectIdentifier is defined in 10.2.1
Address	BACnetAddress	The DataType BACnetAddress is defined in 10.5.2

Its representation in the AddressSpace is defined in Table 247.

Table 247 – BACnetRecipient Definition

Attributes		Value
BrowseName		BACnetRecipient
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of Union defined in OPC 10000-5.

10.6.10 BACnetSpecialEventPeriod

This DataType is a union that represents a period for a special event. Its composition is formally defined in Table 248.

Table 248 – BACnetSpecialEventPeriod Structure

Name	Type	Description
BACnetSpecialEventPeriod	union
CalendarEntry	BACnetCalendarEntry	The DataType BACnetCalendarEntry is defined in 10.6.2
CalendarReference	BACnetObjectIdentifier	The DataType BACnetObjectIdentifier is defined in 10.2.1

Its representation in the AddressSpace is defined in Table 249.

Table 249 – BACnetSpecialEventPeriod Definition

Attributes		Value
BrowseName		BACnetSpecialEventPeriod
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of Union defined in OPC 10000-5.

10.6.11 BACnetTimeStamp

This DataType is a union that represents a time stamp. Its composition is formally defined in Table 250.

Table 250 – BACnetTimeStamp Structure

Name	Type	Description
BACnetTimeStamp	union
Time	BACnetTime	The DataType BACnetTime is defined in 10.5.32
SequenceNumber	0:UInt16
DateTime	BACnetDateTime	The DataType BACnetDateTime is defined in 10.5.8

Its representation in the AddressSpace is defined in Table 251.

Table 251 – BACnetTimeStamp Definition

Attributes		Value
BrowseName		BACnetTimeStamp
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of Union defined in OPC 10000-5.