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

Table 74 – VibrationMeasurementType Definition

Attribute

Value

BrowseName

VibrationMeasurementType

IsAbstract

False

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:HasComponent

Variable

1XPhase

0:Double

0:BaseAnalogType

O, RO

0:HasComponent

Variable

1XRelativeShaftVibrationP_P

0:Double

0:BaseAnalogType

O, RO

0:HasComponent

Variable

2XPhase

0:Double

0:BaseAnalogType

O, RO

0:HasComponent

Variable

2XRelativeShaftVibrationP_P

0:Double

0:BaseAnalogType

O, RO

0:HasComponent

Variable

BearingIndex

0:Double

0:BaseAnalogType

O, RO

0:HasComponent

Variable

BearingIndexPerG

0:Double

0:BaseAnalogType

O, RO

0:HasComponent

Variable

BroadbandCavitationAccelerationPerG_RMS

0:Double

0:BaseAnalogType

O, RO

0:HasComponent

Variable

BroadbandCavitationAccelerationRMS

0:Double

0:BaseAnalogType

O, RO

0:HasComponent

Variable

GapVoltage

0:Double

0:BaseAnalogType

O, RO

0:HasComponent

Variable

Not1XRelativeShaftVibrationP_P

0:Double

0:BaseAnalogType

O, RO

0:HasComponent

Variable

OverallVibrationAcceleration0_P

0:Double

0:BaseAnalogType

O, RO

0:HasComponent

Variable

OverallVibrationAccelerationP_P

0:Double

0:BaseAnalogType

O, RO

0:HasComponent

Variable

OverallVibrationAccelerationPerG0_P

0:Double

0:BaseAnalogType

O, RO

0:HasComponent

Variable

OverallVibrationAccelerationPerG_RMS

0:Double

0:BaseAnalogType

O, RO

0:HasComponent

Variable

OverallVibrationAccelerationPerGP_P

0:Double

0:BaseAnalogType

O, RO

0:HasComponent

Variable

OverallVibrationAccelerationRMS

0:Double

0:BaseAnalogType

O, RO

0:HasComponent

Variable

OverallVibrationDisplacementP_P

0:Double

0:BaseAnalogType

O, RO

0:HasComponent

Variable

OverallVibrationDisplacementRMS

0:Double

0:BaseAnalogType

O, RO

0:HasComponent

Variable

OverallVibrationVelocity0_P

0:Double

0:BaseAnalogType

O, RO

0:HasComponent

Variable

OverallVibrationVelocityP_P

0:Double

0:BaseAnalogType

O, RO

0:HasComponent

Variable

OverallVibrationVelocityRMS

0:Double

0:BaseAnalogType

O, RO

0:HasComponent

Variable

ReferenceStandardForVibrationMeasurement

0:String

0:DataItemType

O, RO

0:HasComponent

Variable

RotationalPhase1X

0:Double

0:BaseAnalogType

O, RO

0:HasComponent

Variable

RotationalPhase2X

0:Double

0:BaseAnalogType

O, RO

0:HasComponent

Variable

SpeedOfRotation

0:Double

0:BaseAnalogType

O, RO

0:HasComponent

Variable

ThrustPosition

0:Double

0:BaseAnalogType

O, RO

0:HasComponent

Variable

VibrationAmplitudeAtTheBearingDefectFrequencies

0:Double

0:BaseAnalogType

O, RO

0:HasComponent

Variable

VibrationAmplitudeAtTheBearingDefectFrequenciesPerG

0:Double

0:BaseAnalogType

O, RO

0:HasComponent

Variable

VibrationAmplitudeAtTheBladePassFrequency

0:Double

0:BaseAnalogType

O, RO

0:HasComponent

Variable

VibrationAmplitudeAtTheFirstHarmonicOfTheRotationFrequency2X

0:Double

0:BaseAnalogType

O, RO

0:HasComponent

Variable

VibrationAmplitudeAtTheGearMeshingFrequency

0:Double

0:BaseAnalogType

O, RO

0:HasComponent

Variable

VibrationAmplitudeAtTheGearMeshingFrequencyPerG

0:Double

0:BaseAnalogType

O, RO

0:HasComponent

Variable

VibrationAmplitudeAtTheHarmonicsOfTheRotationFrequencyNx

0:Double

0:BaseAnalogType

O, RO

0:HasComponent

Variable

VibrationAmplitudeAtTheRotationFrequency1X

0:Double

0:BaseAnalogType

O, RO

0:HasComponent

Variable

VibrationAmplitudeAtTheSidebandsOfTheGearMeshingFrequency

0:Double

0:BaseAnalogType

O, RO

0:HasComponent

Variable

VibrationAmplitudeAtTheSidebandsOfTheGearMeshingFrequencyPerG

0:Double

0:BaseAnalogType

O, 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

1XPhase

Phase 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.

1XPhase

0:EngineeringUnits

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

UnitId: 17476

DisplayName: °

Description: degree [unit of angle]

1XRelativeShaftVibrationP_P

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

1XRelativeShaftVibrationP_P

0:EngineeringUnits

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

UnitId: 13384

DisplayName: µm

Description: micrometre (micron)

2XPhase

Phase 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.

2XPhase

0:EngineeringUnits

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

UnitId: 17476

DisplayName: °

Description: degree [unit of angle]

2XRelativeShaftVibrationP_P

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

2XRelativeShaftVibrationP_P

0:EngineeringUnits

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

UnitId: 13384

DisplayName: µm

Description: micrometre (micron)

BearingIndex

Amplitude 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.

BearingIndex

0:EngineeringUnits

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

UnitId: 5067595

DisplayName: m/s²

Description: metre per second squared

BearingIndexPerG

Amplitude 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_RMS

Root 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.

BroadbandCavitationAccelerationRMS

Root 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.

BroadbandCavitationAccelerationRMS

0:EngineeringUnits

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

UnitId: 5067595

DisplayName: m/s²

Description: metre per second squared

GapVoltage

Sum 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.

GapVoltage

0:EngineeringUnits

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

UnitId: 5655636

DisplayName: V

Description: volt

Not1XRelativeShaftVibrationP_P

Phase 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.

Not1XRelativeShaftVibrationP_P

0:EngineeringUnits

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

UnitId: 13384

DisplayName: µm

Description: micrometre (micron)

OverallVibrationAcceleration0_P

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

OverallVibrationAcceleration0_P

0:EngineeringUnits

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

UnitId: 5067595

DisplayName: m/s²

Description: metre per second squared

OverallVibrationAccelerationP_P

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

OverallVibrationAccelerationP_P

0:EngineeringUnits

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

UnitId: 5067595

DisplayName: m/s²

Description: metre per second squared

OverallVibrationAccelerationPerG0_P

Maximum 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_RMS

Root mean square of the oscillation displacement, expressed as acceleration in units of the acceleration of gravity g

OverallVibrationAccelerationPerGP_P

Oscillation 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.

OverallVibrationAccelerationRMS

Root mean square of the oscillation displacement, expressed as acceleration

OverallVibrationAccelerationRMS

0:EngineeringUnits

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

UnitId: 5067595

DisplayName: m/s²

Description: metre per second squared

OverallVibrationDisplacementP_P

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

OverallVibrationDisplacementP_P

0:EngineeringUnits

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

UnitId: 13384

DisplayName: µm

Description: micrometre (micron)

OverallVibrationDisplacementRMS

Root 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.

OverallVibrationDisplacementRMS

0:EngineeringUnits

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

UnitId: 13384

DisplayName: µm

Description: micrometre (micron)

OverallVibrationVelocity0_P

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

OverallVibrationVelocity0_P

0:EngineeringUnits

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

UnitId: 4403510

DisplayName: mm/s

Description: millimetre per second

OverallVibrationVelocityP_P

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

OverallVibrationVelocityP_P

0:EngineeringUnits

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

UnitId: 4403510

DisplayName: mm/s

Description: millimetre per second

OverallVibrationVelocityRMS

Root mean square of the oscillation displacement expressed as velocity

OverallVibrationVelocityRMS

0:EngineeringUnits

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

UnitId: 4403510

DisplayName: mm/s

Description: millimetre per second

ReferenceStandardForVibrationMeasurement

Standard to which statements on vibration measurement refer.

RotationalPhase1X

Phase 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.

RotationalPhase1X

0:EngineeringUnits

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

UnitId: 17476

DisplayName: °

Description: degree [unit of angle]

RotationalPhase2X

Phase 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.

RotationalPhase2X

0:EngineeringUnits

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

UnitId: 17476

DisplayName: °

Description: degree [unit of angle]

SpeedOfRotation

Number of revolutions per time.

SpeedOfRotation

0:EngineeringUnits

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

UnitId: 4405559

DisplayName: s⁻¹

Description: reciprocal second

ThrustPosition

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

ThrustPosition

0:EngineeringUnits

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

UnitId: 5066068

DisplayName: mm

Description: millimetre

VibrationAmplitudeAtTheBearingDefectFrequencies

Amplitude 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.

VibrationAmplitudeAtTheBearingDefectFrequencies

0:EngineeringUnits

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

UnitId: 5067595

DisplayName: m/s²

Description: metre per second squared

VibrationAmplitudeAtTheBearingDefectFrequenciesPerG

Amplitude 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.

VibrationAmplitudeAtTheBladePassFrequency

Performance 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.

VibrationAmplitudeAtTheBladePassFrequency

0:EngineeringUnits

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

UnitId: 4403510

DisplayName: mm/s

Description: millimetre per second

VibrationAmplitudeAtTheFirstHarmonicOfTheRotationFrequency2X

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

VibrationAmplitudeAtTheFirstHarmonicOfTheRotationFrequency2X

0:EngineeringUnits

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

UnitId: 4403510

DisplayName: mm/s

Description: millimetre per second

VibrationAmplitudeAtTheGearMeshingFrequency

Performance 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.

VibrationAmplitudeAtTheGearMeshingFrequency

0:EngineeringUnits

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

UnitId: 5067595

DisplayName: m/s²

Description: metre per second squared

VibrationAmplitudeAtTheGearMeshingFrequencyPerG

Performance 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.

VibrationAmplitudeAtTheHarmonicsOfTheRotationFrequencyNx

Performance indicator of vibration calculated from the oscillation amplitude at the harmonics of the rotation frequency of the object under consideration, expressed as velocity.

VibrationAmplitudeAtTheHarmonicsOfTheRotationFrequencyNx

0:EngineeringUnits

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

UnitId: 4403510

DisplayName: mm/s

Description: millimetre per second

VibrationAmplitudeAtTheRotationFrequency1X

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

VibrationAmplitudeAtTheRotationFrequency1X

0:EngineeringUnits

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

UnitId: 4403510

DisplayName: mm/s

Description: millimetre per second

VibrationAmplitudeAtTheSidebandsOfTheGearMeshingFrequency

Root 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.

VibrationAmplitudeAtTheSidebandsOfTheGearMeshingFrequency

0:EngineeringUnits

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

UnitId: 5067595

DisplayName: m/s²

Description: metre per second squared

VibrationAmplitudeAtTheSidebandsOfTheGearMeshingFrequencyPerG

Root 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.