7 Mapping of DataTypes ToC Previous Next

7.3 OPC UA Structure DataTypes ToC Previous Next

7.3.2 CncPositionDataType ToC Previous Next index

This DataType combines position values that are of common interest. CncPositionDataType comprises the current position value, the setpoint position value and the remaining distance to go for a positioning unit. The position values can be of any type (rotation, linear or similar). CncPositionDataType is defined in Table 30.

Table 30 – CncPositionDataType Structure

Name Type Description
CncPositionDataType Structure Structure of position elements.
   ActPos Double Position current value.
   CmdPos Double Position setpoint value.
   RemDist Double Remaining distance.

Its representation in the AddressSpace is defined in Table 31.

Table 31 – CncPositionDataType Definition

Attributes Value
BrowseName CncPositionDataType

CncPositionVariableType is based on the CncPositionDataType. It offers information for unit and range additionally to the different position values of CncPositionDataType. The unit and range information is valid for all three position values. CncPositionVariableType is formally defined in Table 32.

Table 32 – CncPositionVariableType Definition

Attribute Value
BrowseName CncPositionVariableType
IsAbstract False
ValueRank -1
DataType CncPositionDataType

Subtype of the BaseDataVariableType

References NodeClass BrowseName DataType TypeDefinition ModellingRule
HasComponent Variable ActPos Double BaseDataVariableType Mandatory
HasComponent Variable CmdPos Double BaseDataVariableType Mandatory
HasProperty Variable 0:EngineeringUnits EUInformation PropertyType Mandatory
HasProperty Variable 0:EURange Range PropertyType Mandatory
HasComponent Variable RemDist Double BaseDataVariableType Mandatory

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