OPC UA DataTypes – OPC UA for Field Device Tool (FDT)

10 OPC UA DataTypes

10.1 DataRefType

The DataRefType provides a reference to a data item. It is formally defined in Table 28.

Table 28 – DataRefType Structure

Name	Type	Description
DataRefType	structure	Reference to a data item.
DataId	0:String	Id of the referenced data item.
SemanticInfo	SemanticInfoType	Meaning of the data item in the current context.

The representation of DataRefType in the AddressSpace is defined in Table 29.

Table 29 – DataRefType Definition

Attribute		Value
BrowseName		DataRefType
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of the 0:Structure defined in OPC 10000-3.

10.2 FdtDeviceClassificationType

The FdtDeviceClassificationType is used to classify devices. It is formally defined in Table 30.

Table 30 – FdtDeviceClassificationType Structure

Name	Type	Description
FdtDeviceClassificationType	structure	Classification of a device according to IEC 62390 Annex G.
ClassificationDomain	ClassificationDomainId	Device classification domain groups.
DeviceClassification	ClassificationId	Unique identifiers according to device primary function.

The representation of FdtDeviceClassificationType in the AddressSpace is defined in Table 31.

Table 31 – FdtDeviceClassificationType Definition

Attribute		Value
BrowseName		FdtDeviceClassificationType
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of the 0:Structure defined in OPC 10000-3.

10.3 SemanticInfoType

This type describes semantic information associated with data provided by a DTM. The SemanticInfoType is formally defined in Table 32.

Table 32 – SemanticInfoType Structure

Name	Type	Description
SemanticInfoType	structure	Semantic information associated with data provided by a DTM.
ApplicationDomain	0:String	Application domain.
SemanticId	0:String	Semantic identifiers in domain.

The representation of SemanticInfoType in the AddressSpace is defined in Table 33.

Table 33 – SemanticInfoType Definition

Attribute		Value
BrowseName		SemanticInfoType
IsAbstract		False

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of the 0:Structure defined in OPC 10000-3.

10.4 Enumeration datatypes

10.4.1 AlarmType

AlarmType is an enumeration that defines the available alarm types. The values shall be mapped as defined in Table 34.

Table 34 – AlarmType Items

Name	Value	Description
HighHighAlarm	0	Alarm if a process value exceeds ‘highhigh’ limit.
HighAlarm	1	Alarm if a process value exceeds ‘high’ limit.
LowLowAlarm	2	Alarm if a process value falls below ‘lowlow’ limit.
LowAlarm	3	Alarm if a process value falls below ‘low’ limit.

Its representation in the AddressSpace is defined in Table 35.

Table 35 – AlarmType Definition

Attribute		Value
BrowseName		AlarmType
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

10.4.2 ApplicationIdEnumeration

The ApplicationIdEnumeration is an enumeration that defines the use of the FunctionalGroup. Its values are defined in Table 36.

Table 36 – ApplicationIdEnumeration Items

Name	Value	Description
AdjustSetValue	0	Functional group is used to adjust the set value.
AssetManagement	1	Functional group is used for asset management.
AuditTrail	2	Functional group is used for audit trail.
Configuration	3	Functional group is used for configuration.
Diagnosis	4	Functional group is used for diagnosis.
Force	5	Functional group is used for forcing values.
Observe	6	Functional group is used for observation of the device.
OfflineCompare	7	Functional group is used for comparison of offline data from different devices.
OfflineParameterize	8	Functional group is used for offline parameterization.
OnlineCompare	9	Functional group is used for comparison of the device dataset and the instance dataset.
OnlineParameterize	10	Functional group is used for online parameterization.
Identify	11	Functional group is used for identification.
Calibration	12	Functional group is used for calibration.
MainOperation	13	Functional group is the aggregation of all functional groups.
NetworkManagement	14	Functional group is used for network management.

Its representation in the AddressSpace is defined in Table 37.

Table 37 – ApplicationIdEnumeration Definition

Attribute		Value
BrowseName		ApplicationIdEnumeration
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

10.4.3 ClassificationDomainId

ClassificationDomainId is an enumeration that defines the available domains for device classifications. Its values are defined in Table 38.

Table 38 – ClassificationDomainId Items

Name	Value	Description
PowerDistribution	0	Classification domain is PowerDistribution.
MotionControl	1	Classification domain is MotionControl.
Measurement	2	Classification domain is Measurement.
OperatorInterface	3	Classification is OperatorInterface.
ModulesAndControllers	4	Classification domain is ModulesAndControllers.
Communication	5	Classification domain is Communication.

Its representation in the AddressSpace is defined in Table 39.

Table 39 – ClassificationDomainId Definition

Attribute		Value
BrowseName		ClassificationDomainId
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

10.4.4 ClassificationId

ClassificationId is an enumeration that defines the available classifications for devices. Its values are defined in Table 40.

Table 40 – ClassificationId Items

Name	Value	Description
Flow	0	Classification is Flow.
Level	1	Classification is Level.
Pressure	2	Classification is Pressure.
Temperature	3	Classification is Temperature.
Valve	4	Classification is Valve.
Positioner	5	Classification is Positioner.
Actuator	6	Classification is Actuator.
Nc_rc	7	Classification is Numeric Control / Robotic Control.
Encoder	8	Classification is Encoder.
SpeedDrive	9	Classification is SpeedDrive.
Hmi	10	Classification is Hmi.
AnalogInput	11	Classification is AnalogInput.
AnalogOutput	12	Classification is AnalogOutput.
DigitalInput	13	Classification is DigitalInput.
DigitalOutput	14	Classification is DigitalOutput.
ElectrochemicalAnalyser	15	Classification is ElectrochemicalAnalyser.
DtmSpecific	16	Classification is DtmSpecific.
Universal	17	Classification is Universal.
Analyser	18	Classification is Analyser.
RemoteIO	19	Classification is RemoteIO.
AnalogCombinedIO	20	Classification is AnalogCombinedIO.
DigitalCombinedIO	21	Classification is DigitalCombinedIO.
Recorder	22	Classification is Recorder.
Controller	23	Classification is Controller.
Angle	24	Classification is Angle.
LimitSwitch	25	Classification is LimitSwitch.
Converter	26	Classification is Converter.
Motor	27	Classification is Motor.
Switchboard	28	Classification is Switchboard.
CircuitBreaker	29	Classification is CircuitBreaker.
PowerMonitoring	30	Classification is PowerMonitoring.
DistributionPanel	31	Classification is DistributionPanel.
Contactor	32	Classification is Contactor.
ProtectionStarter	33	Classification is ProtectionStarter.
SoftStarter	34	Classification is SoftStarter.
Drive	35	Classification is Drive.
AxisControl	36	Classification is AxisControl.
MotorControlCenter	37	Classification is MotorControlCenter.
ControlValve	38	Classification is ControlValve.
Electrical	39	Classification is Electrical.
Density	40	Classification is Density.
Quality	41	Classification is Quality.
SpeedOrRotaryFrequency	42	Classification is SpeedOrRotaryFrequency.
Radiation	43	Classification is Radiation.
WeightMass	44	Classification is WeightMass.
DistanceOrPositionPresence	45	Classification is DistanceOrPositionPresence.
PushButton	46	Classification is PushButton.
Joystick	47	Classification is Joystick.
Keypad	48	Classification is Keypad.
PilotLight	49	Classification is PilotLight.
StackLight	50	Classification is StackLight.
Display	51	Classification is Display
CombinedButtonsAndLights	52	Classification is CombinedButtonsAndLights.
OperatorStation	53	Classification is OperatorStation.
GeneralInput	54	Classification is GeneralInput.
GeneralOutput	55	Classification is GeneralOutput.
CombinedInputOutput	56	Classification is CombinedInputOutput.
Relay	57	Classification is Relay.
Timer	58	Classification is Timer.
Scanner	59	Classification is Scanner.
ProgrammableController	60	Classification is ProgrammableController.
CommunicationAdapter	61	Classification is CommunicationAdapter.
Gateway	62	Classification is Gateway.

Its representation in the AddressSpace is defined in Table 41.

Table 41 – ClassificationId Definition

Attribute		Value
BrowseName		ClassificationId
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

10.4.5 DocumentClassification

DocumentClassification is an enumeration that defines the available classes of documents. Its values are defined in Table 42.

Table 42 – DocumentClassification Items

Name	Value	Description
Help	0	Document contains help information.
TechnicalDocumentation	1	Document contains technical information.
OrderingInformation	2	Document contains order information.
Miscellaneous	3	Document contains general information.
TenderSpecification	4	Document contains tender specification.

Its representation in the AddressSpace is defined in Table 43.

Table 43 – DocumentClassification Definition

Attribute		Value
BrowseName		DocumentClassification
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 FunctionExecutionResultState

FunctionExecutionResultState is an enumeration that defines the type of result states for execution of a function provided for a device. Its values are defined in Table 44.

Table 44 – FunctionExecutionResultState Items

Name	Value	Description
Cancel	0	The function was canceled.
Success	1	The function finished execution successfully.
Fail	2	The function execution failed.

Its representation in the AddressSpace is defined in Table 45.

Table 45 – FunctionExecutionResultState Definition

Attribute		Value
BrowseName		FunctionExecutionResultState
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 IECDatatype

IECDatatype is an enumeration that defines the IEC type of an IOSignal. Its values are defined in Table 46.

Table 46 – IECDatatype Items

Name	Value	Description
BOOL	0	1 bit
SINT	1	Signed short integer (1byte)
INT	2	Signed integer (2 byte)
DINT	3	Signed double integer (4 byte)
LINT	4	Signed long integer (8 byte)
USINT	5	Unsigned short integer (1 byte)
UINT	6	Unsigned integer (2 byte)
UDINT	7	Unsigned double integer (4 byte)
ULINT	8	Unsigned long integer (8 byte)
REAL	9	Floating point (4 byte)
LREAL	10	Long floating point (8 byte)
TIME	11	Time
DATE	12	Calendar date
TimeOfDay	13	Clock time
DateAndTime	14	Date and time
STRING	15	Variable-length single-byte character string
BYTE	16	8 bit
WORD	17	16 bit
DWORD	18	32 bit
LWORD	19	64 bit
WSTRING	20	Variable-length double-byte character string

Its representation in the AddressSpace is defined in Table 47.

Table 47 – IECDatatype Definition

Attribute		Value
BrowseName		IECDatatype
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 RangeType

RangeType is an enumeration that defines the available types of range limits. Its values are defined in Table 48.

Table 48 – RangeType Items

Name	Value	Description
LowerRange	0	Device data represents a lower range.
UpperRange	1	Device data represents an upper range.

Its representation in the AddressSpace is defined in Table 49.

Table 49 – RangeType Definition

Attribute		Value
BrowseName		RangeType
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

10.4.9 SignalTypeEnumeration

SignalTypeEnumeration is an enumeration that defines the type of an IO signal. Its values are defined in Table 50.

Table 50 – SignalTypeEnumeration Items

Name	Value	Description
Input	0	Input signal
Output	1	Output signal

Its representation in the AddressSpace is defined in Table 51.

Table 51 – SignalTypeEnumeration Definition

Attribute		Value
BrowseName		SignalTypeEnumeration
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

10.4.10 SubstitutionType

SubstitutionType is an enumeration that defines the type of substitution data. Its values are defined in Table 52.

Table 52 – SubstitutionType Items

Name	Value	Description
LastValue	0	The last known value shall be used.
LastValidValue	1	The last valid value shall be used.
UpperRange	2	The upper range shall be used.
LowerRange	3	The lower range shall be used.

Its representation in the AddressSpace is defined in Table 53.

Table 53 – SubstitutionType Definition

Attribute		Value
BrowseName		SubstitutionType
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

10.4.11 SupportedTransfer

SupportedTransfer is an enumeration that defines the types of transfers provided for a device. Its values are defined in Table 54.

Table 54 – SupportedTransfer Items

Name	Value	Description
None	0	The DTM does not support upload / download at all.
OnlyDownload	1	The DTM supports only writing data to the device. Reading data to the device is not supported.
OnlyUpload	2	The DTM supports only reading data from the device. Writing data to the device is not supported.
BothUploadAndDownload	3	The DTM supports both reading values from the device and writing values to the device.

Its representation in the AddressSpace is defined in Table 55.

Table 55 – SupportedTransfer Definition

Attribute		Value
BrowseName		SupportedTransfer
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