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7.51 ValveOperationalType ObjectType Definition ToC Previous Next

The ValveOperationalType extends its supertype by valve specific Variables and is formally defined in Table 108.

Table 108 – ValveOperationalType Definition

Attribute Value        
BrowseName ValveOperationalType        
IsAbstract False        
References Node Class BrowseName DataType TypeDefinition Other
Subtype of the OperationalType defined in 7.45, i.e. inheriting the InstanceDeclarations of that Node.          
0:HasComponent Variable ContinuousPosition 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable PortUsed 0:UInt16 0:DataItemType O, RO

Continuous valves shall use the Variable ContinuousPosition and define the EngineeringUnits Property.

Switching valves shall use the Variable PortUsed and define the EngineeringUnits Property as well as the Definition Property.

The InstanceDeclarations of the ValveOperationalType have additional Attributes defined in Table 109.

Table 109 – ValveOperationalType Attribute values for child Nodes

Source Path Value Attribute Description Attribute
ContinuousPosition   Actual valve stroke.
PortUsed   Actual port used.

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