7.33 VibrationMeasurementType ObjectType Definition

The VibrationMeasurementType provides Variables for Pump vibration measurements according to IEC61987 and is formally defined in Table 74.

Table 74 – VibrationMeasurementType Definition
Attribute Value
BrowseNameVibrationMeasurementType
IsAbstractFalse
References Node Class BrowseName DataType TypeDefinition Other
Subtype of the 2:FunctionalGroupType defined in OPC 10000-100, i.e. inheriting the InstanceDeclarations of that Node.
0:HasComponentVariable1XPhase0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariable1XRelativeShaftVibrationP_P0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariable2XPhase0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariable2XRelativeShaftVibrationP_P0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariableBearingIndex0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariableBearingIndexPerG0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariableBroadbandCavitationAccelerationPerG_RMS0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariableBroadbandCavitationAccelerationRMS0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariableGapVoltage0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariableNot1XRelativeShaftVibrationP_P0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariableOverallVibrationAcceleration0_P0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariableOverallVibrationAccelerationP_P0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariableOverallVibrationAccelerationPerG0_P0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariableOverallVibrationAccelerationPerG_RMS0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariableOverallVibrationAccelerationPerGP_P0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariableOverallVibrationAccelerationRMS0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariableOverallVibrationDisplacementP_P0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariableOverallVibrationDisplacementRMS0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariableOverallVibrationVelocity0_P0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariableOverallVibrationVelocityP_P0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariableOverallVibrationVelocityRMS0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariableReferenceStandardForVibrationMeasurement0:String0:DataItemTypeO, RO
0:HasComponentVariableRotationalPhase1X0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariableRotationalPhase2X0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariableSpeedOfRotation0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariableThrustPosition0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariableVibrationAmplitudeAtTheBearingDefectFrequencies0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariableVibrationAmplitudeAtTheBearingDefectFrequenciesPerG0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariableVibrationAmplitudeAtTheBladePassFrequency0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariableVibrationAmplitudeAtTheFirstHarmonicOfTheRotationFrequency2X0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariableVibrationAmplitudeAtTheGearMeshingFrequency0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariableVibrationAmplitudeAtTheGearMeshingFrequencyPerG0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariableVibrationAmplitudeAtTheHarmonicsOfTheRotationFrequencyNx0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariableVibrationAmplitudeAtTheRotationFrequency1X0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariableVibrationAmplitudeAtTheSidebandsOfTheGearMeshingFrequency0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariableVibrationAmplitudeAtTheSidebandsOfTheGearMeshingFrequencyPerG0:Double0:BaseAnalogTypeO, RO

The InstanceDeclarations of the VibrationMeasurementType have additional Attributes defined in Table 75. The Variables and the associated Descriptions are based on the standard IEC61987.

Table 75 – VibrationMeasurementType Attribute values for child Nodes
BrowsePath Value Attribute Description Attribute
1XPhasePhase of the 1X relative shaft vibration related to a reference point of time. The reference point of time for the phase is defined by a so called phase reference sensor.

NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact

UnitId: 17476

DisplayName: °

Description: degree [unit of angle]

1XRelativeShaftVibrationP_POscillation range at the rotation frequency of the shaft under consideration, expressed as displacement.

NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact

UnitId: 13384

DisplayName: µm

Description: micrometre (micron)

2XPhasePhase of the 2X relative shaft vibration related to a reference point of time. The reference point of time for the phase is defined by a so called phase reference sensor.

NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact

UnitId: 17476

DisplayName: °

Description: degree [unit of angle]

2XRelativeShaftVibrationP_POscillation range at the double rotation frequency of the shaft under consideration, expressed as displacement.

NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact

UnitId: 13384

DisplayName: µm

Description: micrometre (micron)

BearingIndexAmplitude of the oscillation envelope after high pass filtering, expressed as acceleration. The parameter for the high pass filtering and oscillation envelope are regularly defined by the user.

NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact

UnitId: 5067595

DisplayName: m/s²

Description: metre per second squared

BearingIndexPerGAmplitude of the oscillation envelope after high pass filtering, expressed as acceleration in units of the acceleration of gravity g. The parameter for the high pass filtering and oscillation envelope are regularly defined by the user.
BroadbandCavitationAccelerationPerG_RMSRoot mean square of the oscillation signal due to cavitation within a defined frequency range, expressed as acceleration in units of the acceleration of gravity g. The frequency range is regularly defined by the user.
BroadbandCavitationAccelerationRMSRoot mean square of the oscillation signal due to cavitation within a defined frequency range, expressed as acceleration. The frequency range is regularly defined by the user.

NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact

UnitId: 5067595

DisplayName: m/s²

Description: metre per second squared

GapVoltageSum value of the oscillation ranges of the vibration at all frequencies except the rotation frequency of the shaft under consideration, expressed as displacement. Regularly, only the frequency range below the rotational frequency is considered.

NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact

UnitId: 5655636

DisplayName: V

Description: volt

Not1XRelativeShaftVibrationP_PPhase of the 2X relative shaft vibration related to a reference point of time. The reference point of time for the phase is defined by a so called phase reference sensor.

NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact

UnitId: 13384

DisplayName: µm

Description: micrometre (micron)

OverallVibrationAcceleration0_PMaximum oscillation amplitude, expressed as acceleration. The oscillation range is the difference between the minimum and maximum value within the time range under consideration.

NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact

UnitId: 5067595

DisplayName: m/s²

Description: metre per second squared

OverallVibrationAccelerationP_POscillation range, expressed as acceleration. The oscillation range is the difference between the minimum and maximum value within the time range under consideration.

NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact

UnitId: 5067595

DisplayName: m/s²

Description: metre per second squared

OverallVibrationAccelerationPerG0_PMaximum oscillation amplitude, expressed as acceleration in units of the acceleration of gravity g. The oscillation range is the difference between the minimum and maximum value within the time range under consideration.
OverallVibrationAccelerationPerG_RMSRoot mean square of the oscillation displacement, expressed as acceleration in units of the acceleration of gravity g
OverallVibrationAccelerationPerGP_POscillation range, expressed as acceleration in units of the acceleration of gravity g. The oscillation range is the difference between the minimum and maximum value within the time range under consideration.
OverallVibrationAccelerationRMSRoot mean square of the oscillation displacement, expressed as acceleration

NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact

UnitId: 5067595

DisplayName: m/s²

Description: metre per second squared

OverallVibrationDisplacementP_POscillation range, expressed as local displacement. The oscillation range is the difference between the minimum and maximum value within the time range under consideration.

NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact

UnitId: 13384

DisplayName: µm

Description: micrometre (micron)

OverallVibrationDisplacementRMSRoot mean square of oscillation range, expressed as local displacement. The oscillation range is the difference between the minimum and maximum value within the time range under consideration.

NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact

UnitId: 13384

DisplayName: µm

Description: micrometre (micron)

OverallVibrationVelocity0_PMaximum oscillation amplitude, expressed as velocity. The oscillation range is the difference between the minimum and maximum value within the time range under consideration.

NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact

UnitId: 4403510

DisplayName: mm/s

Description: millimetre per second

OverallVibrationVelocityP_POscillation range, expressed as velocity. The oscillation range is the difference between the minimum and maximum value within the time range under consideration.

NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact

UnitId: 4403510

DisplayName: mm/s

Description: millimetre per second

OverallVibrationVelocityRMSRoot mean square of the oscillation displacement expressed as velocity

NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact

UnitId: 4403510

DisplayName: mm/s

Description: millimetre per second

ReferenceStandardForVibrationMeasurementStandard to which statements on vibration measurement refer.
RotationalPhase1XPhase of the vibration amplitude at the rotation frequency (1X) of the object under consideration related to a reference point of time. The reference point of time for the phase is defined by a so called phase reference sensor.

NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact

UnitId: 17476

DisplayName: °

Description: degree [unit of angle]

RotationalPhase2XPhase of the vibration amplitude at the first harmonic of the rotation frequency (2X) of the object under consideration related to a reference point of time. The reference point of time for the phase is defined by a so called phase reference sensor.

NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact

UnitId: 17476

DisplayName: °

Description: degree [unit of angle]

SpeedOfRotationNumber of revolutions per time.

NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact

UnitId: 4405559

DisplayName: s⁻¹

Description: reciprocal second

ThrustPositionMeasure for the distance between the sensor and the shaft, expressed as device output voltage

NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact

UnitId: 5066068

DisplayName: mm

Description: millimetre

VibrationAmplitudeAtTheBearingDefectFrequenciesAmplitude of the oscillation envelope at the roller bearing defect frequencies after high pass filtering, expressed as acceleration. The parameter for the high pass filtering and oscillation envelope are regularly defined by the user.

NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact

UnitId: 5067595

DisplayName: m/s²

Description: metre per second squared

VibrationAmplitudeAtTheBearingDefectFrequenciesPerGAmplitude of the oscillation envelope at the roller bearing defect frequencies after high pass filtering, expressed as acceleration in units of the acceleration of gravity g. The parameter for the high pass filtering and oscillation envelope are regularly defined by the user.
VibrationAmplitudeAtTheBladePassFrequencyPerformance indicator of vibration calculated from the oscillation amplitude at the rotation frequency of the shaft multiplied with the number of blades mounted at the shaft, expressed as velocity.

NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact

UnitId: 4403510

DisplayName: mm/s

Description: millimetre per second

VibrationAmplitudeAtTheFirstHarmonicOfTheRotationFrequency2XOscillation amplitude at the double rotation frequency of the object under consideration, expressed as velocity.

NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact

UnitId: 4403510

DisplayName: mm/s

Description: millimetre per second

VibrationAmplitudeAtTheGearMeshingFrequencyPerformance indicator of vibration calculated from the oscillation amplitude at the rotation frequency of the shaft, multiplied with the number of teeth of the gear mounted at the shaft, expressed as acceleration.

NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact

UnitId: 5067595

DisplayName: m/s²

Description: metre per second squared

VibrationAmplitudeAtTheGearMeshingFrequencyPerGPerformance indicator of vibration calculated from the oscillation amplitude at the rotation frequency of the shaft, multiplied with the number of teeth of the gear mounted at the shaft, expressed as acceleration in units of the acceleration of gravity g.
VibrationAmplitudeAtTheHarmonicsOfTheRotationFrequencyNxPerformance indicator of vibration calculated from the oscillation amplitude at the harmonics of the rotation frequency of the object under consideration, expressed as velocity.

NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact

UnitId: 4403510

DisplayName: mm/s

Description: millimetre per second

VibrationAmplitudeAtTheRotationFrequency1XOscillation amplitude at the rotation frequency of the object under consideration, expressed as velocity.

NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact

UnitId: 4403510

DisplayName: mm/s

Description: millimetre per second

VibrationAmplitudeAtTheSidebandsOfTheGearMeshingFrequencyRoot mean square of the oscillation signal within defined frequency ranges, which include the side bands of the mesh frequency above and below the mesh frequency, expressed as acceleration.

NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact

UnitId: 5067595

DisplayName: m/s²

Description: metre per second squared

VibrationAmplitudeAtTheSidebandsOfTheGearMeshingFrequencyPerGRoot mean square of the oscillation signal within defined frequency ranges, which include the side bands of the mesh frequency above and below the mesh frequency, expressed as acceleration in units of the acceleration of gravity g.