OPC Foundation
  • Documents
  • NodeSets
  • Search
7.51 ValveOperationalType ObjectType Definition

The ValveOperationalTypeextends its supertype by valve specific Variablesand 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 OperationalTypedefined 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 InstanceDeclarationsof the ValveOperationalTypehave additional Attributesdefined 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.

Please report errors or issues with the site to webmaster.

Copyright © 2023 - OPC Foundation