Server – MDIS OPC UA Companion Specification

14.2.2 Server

Table 125 defines the Server based ConformanceUnits. These units are related to MDIS information models. Table 126 describes general functionality based ConformanceUnits.

Table 125 – MDIS Server Information Model ConformanceUnits

Category	Title	Description
Server	MDIS Base Fault	Support the Fault flag
Server	MDIS Base FaultCode	Support FaultCodes
Server	MDIS Base Warning	Support the Warning flag
Server	MDIS Base WarningCode	Support WarningCodes
Server	MDIS Base Enabled	Support the Enabled flag and the EnableDisable Method to toggle the flag.
Server	MDIS Base TagId	Support the TagId Property.
Server	MDIS Base Functionality	Supports all required Namespaces, queue sizes greater than 1, notification of queue overflows, NodeId and Namespace restrictions

Valve
Server	MDIS Valve Base	Supports the base required aspect of the MDISValveObjectType. This includes position information and the Move Method for basic functionality. The Move Method basic functionality includes Direction, OverrideInterlocks, SEM and ShutdownRequest.
Server	MDIS Valve SignatureRequestStatus	Supports providing information about an existing signature/profile requests, including the request of a profile/signature via the Move command.
Server	MDIS Valve CommandRejected	Supports the CommandRejected
Server	MDIS Valve LastCommand	Supports the LastCommand.
Server	MDIS Valve DefeatableCloseInterlock	Supports information related to DefeatableCloseInterlock. This includes DefeatableCloseInterlock flag and providing at least one InterlockFor reference to a Variable of InterlockVariableType.
Server	MDIS Valve DefeatableOpenInterlock	Supports information related to DefeatableOpenInterlock. This includes DefeatableOpenInterlock flag and providing at least one InterlockFor reference to a Variable of InterlockVariableType.
Server	MDIS Valve NonDefeatableCloseInterlock	Supports information related to NonDefeatableCloseInterlock. This includes NonDefeatableCloseInterlock flag and providing at least one InterlockFor reference to a Variable of InterlockVariableType.
Server	MDIS Valve NonDefeatableOpenInterlock	Supports information related to NonDefeatableOpenInterlock. This includes NonDefeatableCloseInterlock flag and providing at least one InterlockFor reference to a variable of InterlockVariableType.
Server	MDIS Valve Duration	Supports the inclusion of OpenTimeDuration and CloseTimeDuration duration information for the valve.

Instrument
Server	MDIS Instrument Base	Supports the base required aspect of the MDISInstrumentObjectType. This includes the ProcessVariable. The ProcessVariable includes EURange and EngineeringUnits
Server	MDIS Instrument Limits	Supports at least one of the following limit flags: HHlimit, Hlimit, Llimit, LLlimit. The actual list of supported limits is reported as part of the ConformanceUnit.
Server	MDIS Instrument Setpoints	Supports at least one of the following set points: HHSetPoint, HSetPoint, LSetPoint, LLSetPoint. The actual list of supported setpoints is reported as part of the ConformanceUnit.

Instrument Out
Server	MDIS Instrument Out Base		Supports the base required aspect of the MDISInstrumentOutObjectType. This includes the ProcessVariable of the Object and the WriteValue Method.

Instrument Arbitration
Server	MDIS Instrument Arbitration Base	Supports the required aspect of the MDISInstrumentArbitrationObjectType. This includes the SourceA, SourceB and the ArbitrationMode of the Object.
Server	MDIS Instrument Arbitration Mode	Supports the optional SetArbitrationMode Method of the MDISInstrumentArbitrationObjectType.
Server	MDIS Instrument Arbitration Discrepancy	Supports the optional DiscrepancySetPoint of the MDISInstrumentArbitrationObjectType.

Discrete Instrument
Server	MDIS Discrete Instrument Base		Supports the base required aspect of the MDISDiscreteInstrumentObjectType. This includes the State of the Object.

Discrete Instrument Out
Server	MDIS Discrete Out Base		Supports the base required aspect of the MDISDiscreteOutObjectType. This includes the State of the Object and the WriteValue Method.

Discrete Arbitration Instrument
Server		MDIS Discrete Arbitration	Supports the required aspect of the MDISDiscreteArbitrationObjectType. This includes the SourceA, SourceB and the ArbitrationMode of the Object
Server		MDIS Discrete Arbitration Mode	Supports the SetArbitrationMode method in the MDISDiscreteArbitrationObjectType

Digital Instrument
Server	MDIS Digital Instrument Base		Supports the base required aspect of the MDISDigitalInstrumentObjectType. This includes the State of the Object.

Digital Instrument Out
Server	MDIS Digital Out Base		Supports the base required aspect of the MDISDigitalOutObjectType. This includes the State of the Object and the WriteState Method.

Digital Arbitration Instrument
Server		MDIS Digital Arbitration	Supports the required aspect of the MDISDigitalArbitrationObjectType. This includes the SourceA, SourceBand the ArbitrationMode of the Object
Server		MDIS Digital Arbitration Mode	Supports the SetArbitrationMode method in the MDISDigitalArbitrationObjectType

Choke
Server	MDIS Choke Base	Supports the base required aspect of the MDISChokeObjectType. This includes CalculatedPosition information, Moving flag, the Move Method (ChokeMove Method), Abort Method (ChokeAbort Method), The Move Method basic functionality includes Position, OverrideInterlocks and SEM. The SetCalculatedPosition Method basic functionality includes CalculatedPosition and if required the SetCalculatedPositionStatus
Server	MDIS Choke SetCalculatedPositionStatus	Supports the optional variable SetCalculatedPositionStatus
Server	MDIS Choke CommandRejected	Supports the CommandRejected.
Server	MDIS Choke DefeatableCloseInterlock	Supports the optional aspect of the MDISChokeObjectType related to DefeatableCloseInterlock. This includes DefeatableCloseInterlock flag and providing at least one InterlockFor reference to a Variable of InterlockVariableType.
Server	MDIS Choke DefeatableOpenInterlock	Supports the optional aspect of the MDISChokeObjectType related to DefeatableOpenInterlock. This includes DefeatableOpenInterlock flag and providing at least one InterlockFor reference to a Variable of InterlockVariableType.
Server	MDIS Choke NonDefeatableCloseInterlock	Supports the optional aspect of the MDISChokeObjectType related to NonDefeatableCloseInterlock. This includes NonDefeatableCloseInterlock flag and providing at least one InterlockFor reference to a Variable of InterlockVariableType.
Server	MDIS Choke NonDefeatableOpenInterlock	Supports the optional aspect of the MDISChokeObjectType related to NonDefeatableOpenInterlock. This includes NonDefeatableOpenInterlock flag and providing at least one InterlockFor reference to a Variable of InterlockVariableType.
Server	MDIS Choke Step Duration	Supports the inclusion of StepDurationOpen and StepDurationClose time information for the MDISChokeObjectType.
Server	MDIS Choke Total Steps	Supports the inclusion of the TotalSteps for the MDISChokeObjectType.
Server	MDIS Choke Step Method	Supports the inclusion of the Step (ChokeStepMethod) and the PositionInSteps for the MDISChokeObjectType. The Step Method basic functionality includes Direction, Steps, OverrideInterlocks and SEM.

Electric Choke
Server	MDIS Electric Choke Base	Supports the base required aspect of the MDISElectricChokeObjectType. This includes ActualPosition information, Moving flag, the Move Method, Abort Method, The Move Method basic functionality includes Position, OverrideInterlocks and SEM.
Server	MDIS Electric Choke CommandRejected	Supports the CommandRejected.
Server	MDIS Electric Choke DefeatableCloseInterlock	Supports the optional aspect of the MDISElectricChokeObjectType related to DefeatableCloseInterlock. This includes DefeatableCloseInterlock flag and providing at least one InterlockFor reference to a Variable of InterlockVariableType.
Server	MDIS Electric Choke DefeatableOpenInterlock	Supports the optional aspect of the MDISElectricChokeObjectType related to DefeatableOpenInterlock. This includes DefeatableOpenInterlock flag and providing at least one InterlockFor reference to a Variable of InterlockVariableType.
Server	MDIS Electric Choke NonDefeatableCloseInterlock	Supports the optional aspect of the MDISElectricChokeObjectType related to NonDefeatableCloseInterlock. This includes NonDefeatableCloseInterlock flag and providing at least one InterlockFor reference to a Variable of InterlockVariableType.
Server	MDIS Electric Choke NonDefeatableOpenInterlock	Supports the optional aspect of the MDISElectricChokeObjectType related to NonDefeatableOpenInterlock. This includes NonDefeatableOpenInterlock flag and providing at least one InterlockFor reference to a Variable of InterlockVariableType.

Motor
Server	MDIS Motor Base	Supports the base required aspect of the MDISMotorObjectType. This includes running flag.
Server	MDIS Motor SetOperation	Supports the optional aspect of the MDISMotorObjectType related to Operation, this includes the SetOperation Method.
Server	MDIS Motor Start/Stop	Supports the optional Start and Stop Methods of the MDISMotorObjectType, this includes supporting Manual Operation.
Server	MDIS Motor DefeatableStartInterlock	Supports the optional aspect of the MDISMotorObjectType related to DefeatableStartInterlock. This includes DefeatableStartInterlock flag and providing at least one InterlockFor reference to a Variable of InterlockVariableType.
Server	MDIS Motor DefeatableStopInterlock	Supports the optional aspect of the MDISMotorObjectType related to DefeatableStopInterlock. This includes DefeatableStopInterlock flag and providing at least one InterlockFor reference to a Variable of InterlockVariableType.
Server	MDIS Motor NonDefeatableStartInterlock	Supports the optional aspect of the MDISMotorObjectType related to NonDefeatableStartInterlock. This includes NonDefeatableStartInterlock flag and providing at least one InterlockFor reference to a Variable of InterlockVariableType.
Server	MDIS Motor NonDefeatableStopInterlock	Supports the optional aspect of the MDISMotorObjectType related to NonDefeatableStopInterlock. This includes NonDefeatableStopInterlock flag and providing at least one InterlockFor reference to a Variable of InterlockVariableType.

CIMV
Server	MDIS CIMV Base	Supports the OperationMode, FlowRate, TargetFlowRate, Position, TargetPosition and Moving variable, as well as the SetFlowRate, SetPosition and Stop methods.
Server	MDIS CIMV TotalFlow	Supports the TotalFlow variable and the ResetTotalFlow method
Server	MDIS CIMV TotalMotorRuntime	Supports the TotalMotorRuntime counter, include all feature of the MDISCounterObjectType
Server	MDIS CIMV MotorOperationsCount	Supports the MotorOperationsCount counter, include all feature of the MDISCounterObjectType
Server	MDIS CIMV DeviceCurrent	Supports the DeviceCurrent variable
Server	MDIS CIMV InletPressure	Supports the InletPressure variable
Server	MDIS CIMV InternalPressure	Supports the InternalPressure variable
Server	MDIS CIMV OutletPressure	Supports the OutletPressure variable
Server	MDIS CIMV CommandRejected	Supports the CommandRejected flag
Server	MDIS CIMV SetManual	Supports the SetManual Method
Server	MDIS CIMV NonDefeatableCloseInterlock	Supports the optional aspect of the MDISCIMVObjectType related to NonDefeatableCloseInterlock. This includes NonDefeatableCloseInterlock flag and providing at least one InterlockFor reference to a Variable of InterlockVariableType.
Server	MDIS CIMV NonDefeatableOpenInterlock	Supports the optional aspect of the MDISCIMVObjectType related to NonDefeatableOpenInterlock. This includes NonDefeatableOpenInterlock flag and providing at least one InterlockFor reference to a Variable of InterlockVariableType.
Server	MDIS CIMV NonDefeatableCommandInProgressInterlock	Supports the optional aspect of the MDISCIMVObjectType related to NonDefeatableCommandInProgressInterlock. This includes providing at least one InterlockFor reference to a Variable of InterlockVariableType..

Counter
Server	MDIS Counter Object		Supports the MDISCounterObjectType
Server	MDIS Counter SetCount method		Supports the SetCount method in the MDISCounterObjectType

TimeSync Object
Server	MDIS Timesync Object		Supports the MDISTimeSyncObjectType Object, including allowing a client to set the server time.

Information
Server	MDIS Information version	Supports version information for the MDIS Server
Server	MDIS Information Signatures	Supports providing Signatures as FileType Objects
Server	MDIS Information Signature Validation	Supports the JSON schema for the Signature file objects.

Performance
Server	MDIS Performance Datasheet		The server provides a datasheet that describes performance and the datasheet has been verified

Table 126 – MDIS Server Behaviour ConformanceUnits

Category	Title	Description
Server	MDIS Redundancy Base	Supports one of the optional redundancy behaviours
Server	MDIS Redundancy None	Supports MDIS defined side by side redundancy. Server can provide side by side redundant data as specified including identical NodeIds or naming conventions as required.
Server	MDIS Redundancy Hot	Supports the OPC UA defined redundancy concept of “Hot”
Server	MDIS Redundancy HotPlusMirrored	Supports the OPC UA defined redundancy concept of “HotPlusMirrored”
Server	MDIS Redundancy Transparent	Supports the OPC UA defined redundancy concept of “Transparent”

Table 127 – MDIS Server Aggregate & Extension ConformanceUnits

Category	Title	Description
Server	MDIS Aggregate Object	The MDIS Server supports aggregate Objects based on MDISAggregateObjectType.
Server	MDIS Extension	The Server defines new ObjectTypes that are extensions of the existing MDIS ObjectTypes (MDISValveObjectType, MDISChokeObjectType, MDISDigitalInstrumentObjectType, MDISDiscreteInstrumentObjectType, MDISInstrumentObjectType or any subtype of these types).