VibroSmart DMS Vibration Monitoring Module VSV300
VibroSmart DMSvibration monitoring VibroSight compatible hardware from theVibro-Meter product line2 individually configurable dynamic inputchannels with up to 19 kHz bandwidth1 auxiliary input channel, including tachometerSynchronous sampling of input channelsUp to 20 configurable processed outputsper moduleSpectrum analyzer (FFT) up to 1 600 linesevery 1 sUp to 4 alarms per processed output, withhysteresis and time delayAND, OR and majority voting logic functions forthe combination of alarm and status informationfor a moduleRedundant communications and redundantpower supply inputs to improve availabilityAnalog outputs: 2 local outputs configurable aseither 4-20 mA or 5 VDiscrete outputs: 2 local SPDT relaysVSV300vibration monitoring module(with a VSB300 terminal base)Real-time Ethernet communicationsLive insertion and removal of modules (hotswappable) with automatic reconfigurationIECExFully software configurableRobust enclosures with DIN rail mounting adaptor(on terminal base)(Some certifications pending)APPLICATIONS»Machinery protection and /or condition monitoringInformation contained in this document may be subject to Export Control Regulations of the European Union, USA or other countries. Each recipient of thisdocument is responsible for ensuring that transfer or use of any information contained in this document complies with all relevant Export ControlRegulations. ECN N/A. Meggitt / 660-020-020-211A / 23.09.20151 / 18
Vibration monitoring moduleVSV300DESCRIPTIONIntroductionThe VibroSmart distributed monitoring system(DMS) is a system of modular and scalable productsdesigned for condition monitoring and machineryprotection applications for power generation turbines,oil and gas applications and auxiliary balance-of-plantequipment.VibroSmart DMS modules can be mounted directly onmachinery, reducing the need for expensive cabling,because they are designed and certified to work inextremes, such as harsh industrial environmentscharacterized by potentially explosive atmospheres(Ex Zone 2), high temperatures (70 C) and highmechanical stress. VibroSmart complements theVM600 series of rack-based solutions from MeggittSensing Systems’ Vibro-Meter product line and iscompatible with the same VibroSight software.The VibroSmart VSV300 vibration monitoring modulehas two independent dynamic vibration channels andone auxiliary channel, that can be configured aseither a tachometer or a DC input channel. Thismeasurement module is capable of stand-alonevibration monitoring or can be integrated with otherVibroSmart DMS modules to create a larger systemwith more measurement channels and features.VibroSmart DMSA Meggitt Sensing Systems VibroSmart DMS is anetwork of small and economical modules (providingmeasurement, communications or other functions)that are connected together in measurement blocks inorder to provide the functionality normally offered byrack-based machinery monitoring systems.A VibroSmart DMS consists of one or moremeasurement blocks, each containing up to 16VibroSmart modules, a power supply and an optionalhost computer running the VibroSight software.A measurement block is a logical grouping ofVibroSmart modules that allows data such astachometer, trigger and alarm information to beshared, for example, in order to monitor the samemachine. Measurement blocks are configured usingthe VibroSight software.Note: A VibroSmart DMS is limited to a maximum of16 VSV300 modules per measurement block and amaximum of 8 measurement blocks withoutVibroSmart VSN010 real-time Ethernet switches.However, if each measurement block contains aVSN010, then a higher number of measurement2 / 18blocks can be achieved, limited only by overallsystem performance (network traffic, VibroSightcomputer configuration and so on).A VibroSmart DMS module consists of an electronicsmodule (providing configurable machinery monitoringfunctions) that clips into a VibroSmart terminal base,which mounts on a DIN rail. A range of plug-in signalconditioners and plug-in communications interfacesthat interface directly with VibroSmart modules will beavailable to provide an integrated solution forinterfacing to sensors and fieldbuses.VibroSmart terminal bases incorporate buses andconnectors to provide all of the I/O connectionsrequired to interface to a VibroSmart module.Terminal bases also include non-volatile memory tostore the configuration of the attached VibroSmartmodule, which allows modules to be hot-swapped.Modules and terminal bases use mechanical keycoding for a system that is simple to operate and use.Different VibroSmart modules, terminal bases, plug-insignal conditioners and plug-in communicationsinterfaces can be combined to offer uniquecombinations of functionality, versatility and safetyassurance. In this way, a monitoring system can bebuilt to meet the exact needs of an applicationresulting in a more cost-effective and reliable solution.VSV300 vibration monitoring moduleThe VSV300 vibration monitoring module performsthe data acquisition and all of the signal processing(filtering, analog-to-digital conversion, time andfrequency domain processing, and resampling)required to produce processed outputs and extracteddata for physical output and data presentation inVibroSight and VibroSight Scope. This includesspectral band extractions, advanced FFT analysis,trending and limit checks (alarm and sensor OK), andrun-up / run-down acquisition.In addition, the VSV300 module has 4 basic and 2advanced logic functions that can be used to combinelocal alarm and status information in order to driveone of the VSV300 relays. This local information andthe logic function outputs can also be used as inputsto the basic logic functions of a VSI010communications interface module in the samemeasurement block.Like all VibroSmart DMS modules, the VSV300 is fullysoftware configurable using the VibroSight software.Using VibroSight Configurator, a module can be Meggitt / 660-020-020-211A / 23.09.2015
Vibration monitoring moduleVSV300DESCRIPTION (continued)configured to capture data continuously at scheduledintervals or on the detection of an alarm condition. Inaddition, spectral resolution, frequency bandwidth,windowing function and averaging are all fullyconfigurable. Using VibroSight Vision, a catalogue ofstatic plots (including bar chart, bode, correlation,polar, shaft centerline, table and trend) and dynamicplots (including orbit, spectrogram, spectrum, fullspectrum, waterfall/cascade, full waterfall/cascadeand waveform) is available for the visualisation andanalysis of measurement data.CommunicationsAll VibroSmart DMS modules and devicescommunicate using a system bus (SBUS), based onEthernet technology, that supports data transfer ratesof 100 Mbps at distances up to 100 m. The SBUSensures the transfer of both non-real-time (standard)and real-time (time critical) information betweenVibroSmart modules, and supports communicationwith the host computer running the VibroSightsoftware. The SBUS also communicates with thenetwork time server that is recommended when thedata logged by a VibroSmart DMS must be correlatedwith other system data, such as process data.VibroSmart modules can either be located side-byside (adjacent to each other) or separate from oneanother. Such flexibility allows the functionality of aDMS to be physically distributed depending on thesize of and access to the machinery being monitored.This helps reduce the expensive sensor cablingtypically required between sensors and measurementmodules, effectively replacing it with lower costEthernet and power supply cabling.SoftwareThe VibroSight software platform, from MeggittSensing Systems, supports the configuration of theVibroSmart modules, data acquisition, dataprocessing, data logging and data presentation. Manytypes of plots are available in VibroSight Vision tooptimise the visualisation, analysis and interpretationof all live and historical measurement data.VibroSight Scope is reduced functionality softwarewith a simplified user interface that allows thepresentation of static measurement data and statusinformation being streamed live from VibroSmartmodules.Applications informationThe VSV300 vibration monitoring module is ideal formonitoring, protecting, analysing and diagnosingcritical assets such as gas turbines, steam turbinesand other rotating machines. It can be used as astand-alone module or as part of a morecomprehensive monitoring system using theVibroSight software.For specific applications, contact your nearest MeggittSensing Systems representative.VibroSmart modules that are located side-by-side cancommunicate directly (no Ethernet cabling required)using the sidebus connectors on the terminal basethat support both SBUS and redundant power supplydistribution. VibroSmart modules that are mountedseparate from one another can communicate overstandard and redundant Ethernet networks ofshielded twisted-pair Ethernet cable using theEthernet connectors on the terminal base. However,using these Ethernet connectors does require that thepower supply is distributed separately.Discrete signal interface (DSI) inputs and tachometersignals can be connected directly to individualmodules (locally). Alternatively, to reduce externalwiring, these signals can be connected to a singleVibroSmart module and shared among modules inthe same measurement block using the SBUS. Meggitt / 660-020-020-211A / 23.09.20153 / 18
Vibration monitoring moduleVSV300SPECIFICATIONSSupported sensorsCurrently availableUnder developmentDynamic input channelsNumber of independent channelsMeasurement range Voltage (AC DC) CurrentFrequency bandwidth ( 0.1 dB) Analog high-pass filter: Compatible with a range of sensors and signal conditioners using2-wire current transmission and 3-wire voltage transmission: VibroSmart plug-in signal conditioners that interface directly withVibroSmart modules to provide a range of signal conditioning options: 2: 3 or 30 VPEAK: 15 or 150 mA: 0.1 Hz to 19 kHz: An optional (software configurable) analog high-pass filter can be addedto the AC path to configure the high-pass cutoff frequency ( 3 dB) as0.1, 1.0 or 3.0 Hz.This filter can also be disabled to allow DC-coupling of the input.Input impedance Voltage CurrentAccuracy Amplitude PhaseSignal to noise ration (SNR)Common-mode voltage (CMV) rangeCommon-mode rejection ratio (CMRR)Crosstalk attenuation: 100 kΩ, between the differential (high and low) inputs: 202 Ω 3 Ω, between the differential (high and low) inputs: 1% of input FSD (measurement bandwidth from 10 Hz to 1 kHz): 1 (measurement bandwidth from 10 Hz to 1 kHz): 80 dB (measurement bandwidth from 10 Hz to 2 kHz): 5 V: 60 dB (at 50 / 60 Hz): Typically 60 dBAuxiliary input channel – used as a tachometer input: Crossing of threshold on rising edge of signalTriggering method: ⅔ of peak-peak valueTriggering threshold (rising edge): 30 VRMS / 42.4 VAC (PEAK) or 60 VDCVoltage rangeFor Ex Zone 2 applications, the voltage range must be 60 VPEAK-PEAK.: 0.017 Hz to 426 kHzTacho range(on input): 1 to 100 000 RPM / 0.017 Hz to 1.667 kHzSpeed / frequency measurement range(after division by “number of teeth”)Minimum input voltage for reliable detection: 0.8 VPEAK-PEAK (0.017 Hz to 10 kHz) Square-wave input signal2.0 VPEAK-PEAK (10 kHz to 427 kHz): 20.0 VPEAK-PEAK (0.017 Hz to 0.1 Hz) Sinusoidal input signal10.0 VPEAK-PEAK (0.1 Hz to 1.0 Hz)2.0 VPEAK-PEAK (1.0 Hz to 20.0 Hz)0.8 VPEAK-PEAK (20.0 Hz to 10.0 kHz)2.0 VPEAK-PEAK (10.0 kHz to 426.4 kHz)Input impedance: 110 kΩ, between the differential (high and low) inputs Voltage: 202 Ω 3 Ω, between the differential (high and low) inputs Current4 / 18 Meggitt / 660-020-020-211A / 23.09.2015
Vibration monitoring moduleVSV300SPECIFICATIONS (continued)Auxiliary input channel – used as a DC inputMeasurement range: 0 to 20 V Voltage (DC): 0 to 100 mA Current: DC to 10 HzFrequency bandwidth ( 3 dB)Input impedance: 110 kΩ, between the differential (high and low) inputs Voltage: 202 Ω 3 Ω, between the differential (high and low) inputs Current: 72 dBSignal to noise ration (SNR)Sensor OK checkRangeOperating principle Powered sensors Unpowered sensorsDigital signal processingA/ D converterDynamic rangeFrequency bandwidthAccuracy Amplitude PhaseDigital filtering High-pass filter cutoff frequency High-pass filter roll-off Low-pass filter cutoff frequency Low-pass filter roll-offMeasurement resolutionFFT window: 20 to 20 VDC: DC voltage monitoring (open-circuit and short-circuit line check): Open-circuit line check only: 24 bit: 80 dB (from 10 Hz to 2 kHz): 0 Hz to 19 kHz: 1 % of input FSD: 1.5 (measurement bandwidth from 10 Hz to 1 kHz): 0.25 Hz to 10 kHz (main path): 20 to 60 dB per octave: 10 Hz to 19 kHz (main path): 20 to 60 dB per octave: 256 to 4 096 point waveform / 100 to 1 600 line spectrum: Flat top, Hamming, Hann (Hanning), Kaiser-Bessel with an alpha of 1,Averaging (frequency domain)Extracted dataExtracted data typeIntegration countQualifiers (rectifiers):Order trackingVibroSight software update rate (external):: Meggitt / 660-020-020-211A / 23.09.2015::::5, 10, 20 or 25, RectangularExponential averaging with up to 100 averagesUp to 20 processed outputs per moduleScalar, Vector, Phasor, Frequency line0, 1 or 2True RMS, Scaled peak, Scaled peak-peak, Scaled average,True average, True peak, True peak-peak and Band peakDigital resampling1 s max.5 / 18
Vibration monitoring moduleVSV300SPECIFICATIONS (continued)Single-channel processing blocksOnly one processing block can be assigned to an input channel at any one time.The number of processed outputs (data extractions) available depends on the processing block. Asynchronous absolute bearing vibration (AAB): Up to 3 outputs: one after the band-pass filter, one after the first Main pathwith band-pass filterintegrator and one after the second integrator.Note: ISO 2954 compatible values can automatically be configured forthe band-pass filter, if required.: Spectrum (configurable averaging and integration) and up to 5 outputs. Secondary pathwith low-pass filterWaveform and up to 3 outputs. Shaft relative vibration (RS) Main pathwith separate AC and DC paths Secondary path: AC path with band-pass filter and up to 4 outputs.DC path with 1 output corresponding to the actual position of the shaftor target.: Spectrum (configurable averaging) and up to 8 outputs.Waveform. Narrow-band vibration (NB) With averaging andnarrow band-pass filter: Spectrum (configurable averaging and integration) and up to 11 outputs.Waveform.Note: Narrow-band vibration (NB) is an order-tracked measurement andrequires a tachometer input (1/rev) in order to track rotational speed. Tacho With configurable ”number of teeth”and “tacho ratio”: 1 output corresponding to the rotation speed of the shaft or target.Note: The tachometer input can be either the tachometer input of themodule (local) or the tachometer input of a module in the samemeasurement block as the module (remote). Position (PS) DC path with offset (initial gap): DC path with 1 output corresponding to the actual position of the shaftor target.Notes: Position (PS) and shaft relative vibration (RS) processing blocksuse the same signal processing functions to generate a position output.Position (PS) processing can be used with an auxiliary input channelconfigured as a DC input channel and with the dynamic Input channels. Broad-band pulsation (BBP) Main pathwith band-pass filter and notch filter Secondary pathwith low-pass filter: Up to 2 outputs.Note: The notch filter can be configured as either 50 or 60 Hz toeliminate mains (power-line) frequency interference.: Spectrum (configurable band rejection and averaging) and up to5 outputs.Waveform and up to 3 outputs. Eccentricity (EC) – under development With low-pass filter: Up to 2 outputs: continuous eccentricity (true peak-peak) and triggeredeccentricity (peak-peak/rev) when a tachometer input is available.Note: the triggered eccentricity output requires that a tachometer input(1/rev) is available. Quasi-static DC – under development DC path with offset (initial value): DC path with 1 output corresponding to the measured physical quantity,such as a slowly varying process parameter.6 / 18 Meggitt / 660-020-020-211A / 23.09.2015
Vibration monitoring moduleVSV300SPECIFICATIONS (continued)Dual-channel processing blocks Smax Requires two shaft relative vibration (RS)processing blocks as inputs: 1 output corresponding to Smax(t) ( X(t)2 Y(t)2 )(vibration peak-to-peak displacement).Note: ISO 7919-1 method C is used to calculate Smax. X-Ymax discriminator Requires two shaft relative vibration (RS)processing blocks as inputs: 1 output (true peak) corresponding to the higher of the two input signals.Note: ISO 7919-1 method B is used to calculate X-Ymax discriminator. Shaft absolute vibration (AS) – under development: 1 output corresponding to either: Requires one asynchronous absoluteAS AAB RS with sensors at the same location, orbearing vibration (AAB) processing blockAS AAB RS with sensors diametrically opposed.and one shaft relative vibration (RS)processing block as inputsAlarm processingAlarms: Four configurable alarm ranges (Danger , Alert , Alert , Danger ) withAdaptive monitoring: Adaptive monitoring uses a control parameter (such as speed orconfigurable hysteresis and time delayposition) to multiply the configured alarm limits by multiple coefficientsconfigured for different ranges of the control parameter.Trip multiplier uses the DSI TM control signal to multiply the configuredalarm limits by a single configurable coefficient.Alarm combinationLogic functions: AND, OR and majority voting logic, with optional inversion ofindividual inputsConfigurable functionsBasic logic functions Number Configurable inputs: Inversion of individual inputs: 4: From the sensor OK checks, and the measurement alarms (Danger ,Alert , Alert , Danger ) and associated data quality indicators (statusbits) of the moduleAdvanced logic functions Number Configurable inputs: 2: From the basic logic function outputs of the moduleDiscrete signal interface (DSI) inputsControl signal Alarm bypass (AB): A closed contact between the DSI AB and RET inputs inhibits the local Alarm reset (AR): A closed contact between the DSI AR and RET inputs resets the alarmsrelay outputs Trip multiply (TM)Operating principle Meggitt / 660-020-020-211A / 23.09.2015latched by the module: A closed contact between the DSI TM and RET inputs multiplies thealarm levels by a scale factor (software configurable), to enabletrip multiplier-based adaptive monitoring: Detection of an open circuit or a closed circuit on the input.These control signals can be connected directly to individual modules(locally) or connected to a single module (the DSI Master) and sharedamong modules in the same measurement block using the SBUS(remotely).7 / 18
Vibration monitoring moduleVSV300SPECIFICATIONS (continued)Buffered outputs – dynamic channelsTypeNumberFrequency bandwidthAccuracy Amplitude Phase: Buffered transducer “raw” analog output: 2, available on J2 of the terminal base (see Connectors on page 12): 0 Hz to 19 kHz: 1% (measurement bandwidth from 0 Hz to 19 kHz): 1 (measurement bandwidth from 10 Hz to 10 kHz). 2 (measurement bandwidth from 10 kHz to 19 kHz).Transfer ratios: 0.1 V/ V (output-to-input ratio of 1:10, non-inverting) Voltage input: 20.2 mV/ mA (non-inverting) Current inputAdmissible load on output: 50 kΩ Resistance: Able to drive up to 5 m of cable with a typical capacitance of 100 pF CapacitanceNote: Where required, a VSA301 buffered output amplifier can be used to amplify the buffered transducer “raw” analogoutputs, provide front-panel BNC connectors and allow the transmission of the signals over distances up to 500 m.Buffered output – auxiliary channelType: Buffered transducer “raw” digital output.When the auxilia
The VibroSmart distributed monitoring system (DMS) is a system of modular and scalable products designed for condition monitoring and machinery protection applications for power generation turbines, oil and gas applications and auxiliary balance-of-plant equipment. VibroSmart DMS modules can be mounted directly on
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