8 TCDSpecificationType

This OPC UA ObjectType is used representing the basic specification of a TCD temperature control device with its subcomponents. It is formally defined in Table 2.

Table 2 – TCDSpecificationType Definition
Attribute Value
BrowseNameTCDSpecificationType
IsAbstractFalse
References Node Class BrowseName DataType TypeDefinition Other
Subtype of 0:BaseObjectType defined in OPC UA Part 5
0:HasComponentVariableMaxTemperature0:Int320:AnalogItemTypeM, RO
0:HasComponentVariablePowerValue0:Double0:AnalogItemTypeM, RO
0:HasComponentVariableConnectedLoad0:Double0:AnalogItemTypeM, RO
0:HasComponentVariableNominalFlowRate0:Double0:AnalogItemTypeM, RO
0:HasComponentVariableCoolingCapacity0:UInt320:AnalogItemTypeO, RO
0:HasPropertyVariableDeviceZoneId0:String0:PropertyTypeO, RO

8.1 MaxTemperature

Description:Defines the maximum working temperature of the TCD
Unit: °C or °F
Example:160

8.2 PowerValue

Description:Power value, defines the heating capacity of the TCD with the rated voltage
Unit: kW
Example:8

8.3 ConnectedLoad

Description:Connected load, defines the connections of the TCD (pump performance, heating capacity and performance of the remaining components)
Unit: kW
Example:10.2

8.4 NominalFlowRate

Description:Nominal flow rate, defines the maximum achievable flow rate of the TCD
Unit: l/min, gal/min or ft³/min
Example:45

8.5 CoolingCapacity

Description:Power value for cooling, defines the power value for cooling at temperature difference 60 K between cooling water and heat transfer medium
Unit: kW
Example:30

8.6 DeviceZoneId

Description:As written in 4.1, for a TCD with several device zones, there shall be several instances of TCD_InterfaceType with one object DeviceZone each. In this case, the DeviceZoneId shall be used to identify the different device zones.
Example:“A”