The VibrationMeasurementType provides Variables for Pump vibration measurements according to IEC61987 and is formally defined in Table 74.
Table 74 – VibrationMeasurementType Definition
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Attribute |
Value |
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BrowseName |
VibrationMeasurementType |
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IsAbstract |
False |
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References |
Node Class |
BrowseName |
DataType |
TypeDefinition |
Other |
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Subtype of the 2:FunctionalGroupType defined in OPC 10000-100, i.e. inheriting the InstanceDeclarations of that Node. |
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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
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BrowsePath |
Value Attribute |
Description Attribute |
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1XPhase |
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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. |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 17476 DisplayName: ° Description: degree [unit of angle] |
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1XRelativeShaftVibrationP_P |
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Oscillation range at the rotation frequency of the shaft under consideration, expressed as displacement. |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 13384 DisplayName: µm Description: micrometre (micron) |
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2XPhase |
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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. |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 17476 DisplayName: ° Description: degree [unit of angle] |
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2XRelativeShaftVibrationP_P |
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Oscillation range at the double rotation frequency of the shaft under consideration, expressed as displacement. |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 13384 DisplayName: µm Description: micrometre (micron) |
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BearingIndex |
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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. |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 5067595 DisplayName: m/s² Description: metre per second squared |
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BearingIndexPerG |
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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. |
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BroadbandCavitationAccelerationPerG_RMS |
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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. |
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BroadbandCavitationAccelerationRMS |
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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. |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 5067595 DisplayName: m/s² Description: metre per second squared |
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GapVoltage |
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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. |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 5655636 DisplayName: V Description: volt |
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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. |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 13384 DisplayName: µm Description: micrometre (micron) |
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OverallVibrationAcceleration0_P |
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Maximum oscillation amplitude, expressed as acceleration. The oscillation range is the difference between the minimum and maximum value within the time range under consideration. |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 5067595 DisplayName: m/s² Description: metre per second squared |
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OverallVibrationAccelerationP_P |
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Oscillation range, expressed as acceleration. The oscillation range is the difference between the minimum and maximum value within the time range under consideration. |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 5067595 DisplayName: m/s² Description: metre per second squared |
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OverallVibrationAccelerationPerG0_P |
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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. |
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OverallVibrationAccelerationPerG_RMS |
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Root mean square of the oscillation displacement, expressed as acceleration in units of the acceleration of gravity g |
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OverallVibrationAccelerationPerGP_P |
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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. |
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OverallVibrationAccelerationRMS |
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Root mean square of the oscillation displacement, expressed as acceleration |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 5067595 DisplayName: m/s² Description: metre per second squared |
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OverallVibrationDisplacementP_P |
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Oscillation range, expressed as local displacement. The oscillation range is the difference between the minimum and maximum value within the time range under consideration. |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 13384 DisplayName: µm Description: micrometre (micron) |
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OverallVibrationDisplacementRMS |
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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. |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 13384 DisplayName: µm Description: micrometre (micron) |
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OverallVibrationVelocity0_P |
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Maximum oscillation amplitude, expressed as velocity. The oscillation range is the difference between the minimum and maximum value within the time range under consideration. |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 4403510 DisplayName: mm/s Description: millimetre per second |
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OverallVibrationVelocityP_P |
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Oscillation range, expressed as velocity. The oscillation range is the difference between the minimum and maximum value within the time range under consideration. |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 4403510 DisplayName: mm/s Description: millimetre per second |
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OverallVibrationVelocityRMS |
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Root mean square of the oscillation displacement expressed as velocity |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 4403510 DisplayName: mm/s Description: millimetre per second |
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ReferenceStandardForVibrationMeasurement |
|
Standard to which statements on vibration measurement refer. |
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RotationalPhase1X |
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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. |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 17476 DisplayName: ° Description: degree [unit of angle] |
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RotationalPhase2X |
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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. |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 17476 DisplayName: ° Description: degree [unit of angle] |
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SpeedOfRotation |
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Number of revolutions per time. |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 4405559 DisplayName: s⁻¹ Description: reciprocal second |
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ThrustPosition |
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Measure for the distance between the sensor and the shaft, expressed as device output voltage |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 5066068 DisplayName: mm Description: millimetre |
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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. |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 5067595 DisplayName: m/s² Description: metre per second squared |
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VibrationAmplitudeAtTheBearingDefectFrequenciesPerG |
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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. |
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VibrationAmplitudeAtTheBladePassFrequency |
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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. |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 4403510 DisplayName: mm/s Description: millimetre per second |
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VibrationAmplitudeAtTheFirstHarmonicOfTheRotationFrequency2X |
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Oscillation amplitude at the double rotation frequency of the object under consideration, expressed as velocity. |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 4403510 DisplayName: mm/s Description: millimetre per second |
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VibrationAmplitudeAtTheGearMeshingFrequency |
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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. |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 5067595 DisplayName: m/s² Description: metre per second squared |
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VibrationAmplitudeAtTheGearMeshingFrequencyPerG |
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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. |
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VibrationAmplitudeAtTheHarmonicsOfTheRotationFrequencyNx |
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Performance indicator of vibration calculated from the oscillation amplitude at the harmonics of the rotation frequency of the object under consideration, expressed as velocity. |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 4403510 DisplayName: mm/s Description: millimetre per second |
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VibrationAmplitudeAtTheRotationFrequency1X |
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Oscillation amplitude at the rotation frequency of the object under consideration, expressed as velocity. |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 4403510 DisplayName: mm/s Description: millimetre per second |
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VibrationAmplitudeAtTheSidebandsOfTheGearMeshingFrequency |
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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. |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 5067595 DisplayName: m/s² Description: metre per second squared |
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VibrationAmplitudeAtTheSidebandsOfTheGearMeshingFrequencyPerG |
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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. |