OPC UA Structure DataTypes – OPC UA for BACnet – BACnet: OPC UA Information Model

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