Real-time vibration monitoring ability
With SVT200-V wireless vibration sensor, the BroadVibra software monitors the vibration velocity, acceleration RMS and temperature in real time. If any one of the parameters exceeds a user-defined threshold, then the real-time wireless vibration sensor can detect it in less and 0.5 second typically. This is a truly unique feature of Broadsens's SVT-V series wireless vibration sensor. The real-time vibration monitoring ability is extremely useful to detect accidents such as sudden impacts or operator errors. Sudden events can not be predicted with predictive maintenance method and must be monitored by real-time vibration sensor. Accidents account for more than 20% of machine failures.
Advanced DAQ modes
BroadVibra vibration analysis software provides multiple modes of data acquisition: including real-time mode, batch mode, single DAQ mode and multi DAQ mode. Sampling rate in real-time mode ranges from 50Hz to 200Hz; sampling rate in batch mode, single DAQ mode and multi DAQ mode range from 400Hz up to 25.6kHz. Real-time mode, batch mode and multi DAQ mode provide unlimited data acquisition points. In single DAQ mode, sampling points range from 2,048 up to 16,384. All four modes support synchronization among sensors in the same group. Acceleration range is also adjustable.
Database history data review
Integrated time-series database supports long-term vibration data review and analysis. SVT-A series sensor and SVT-V series sensor data can be reviewed and plotted easily with the software. The software supports latest data query or allows user to enter a date and time to review the data in a specific time period. The software allows flexible data points selection. Small data points query allows fast history data review, and large data points query allows user to check data in a long time span. Data curve can be zoomed in for detailed view. Raw acceleration data and temperature data can be exported to CSV format file for further analysis.
Vibration trend analysis
Vibration trend analysis is very useful to help users identify machine problems quickly when time goes by. This is especially useful for applications where the sensors are permanently mounted in a hazardous location. Currently, there are seven parameters provided in vibration trend analysis:
• RMS (root mean square) • True peak(maximum absolute value)
• Crest factor • Kurtosis
• Skewness • Mean
• Standard deviation
FFT Analysis & Filtering
FFT analysis can be carried at each vibration sensor. In the figure, the top chart is the FFT waveform, and the bottom chart is the corresponding time-domain waveform. The waveforms can be zoomed in easily for detailed view. FFT result and time-domain data can be downloaded from the interface. High pass, low pass and band pass filters can be added for the time domain data and FFT analysis. BroadVibra provides the best filtering abilities in the vibration analysis, in which users can adjust the cutoff frequency freely without any limitation. Filtering order can be adjusted too.
Automatic DAQ and analysis
Timer can be set up for each zone/group for automatic DAQ. The default duration for each input is 5 minutes. For fast input, one can choose “select all” when one wants to take data every day. Since Broadsens ultra low power wireless sensors provides the highest battery efficiency in the industry, one can set up multiple data acquisition times for each group of sensors in a day. Analysis can be scheduled to start automatically too. This simplifies user's work and makes the analysis very consistent each day. The analysis result is saved into the database for easy review later on.
Alarm and email notification
It is easy to set up vibration alarms for SVT-A series sensors and SVT-V series sensors. For SVT-A series sensors, alarm thresholds can be set up for each zone/group differently. The thresholds include acceleration levels for x, y & z axes and temperature. For SVT-V series sensors, each sensor can have different threshold including vibration velocity, acceleration RMS and temperature. Alarm LED will turn into red color when the vibration exceeds a predefined level. Email notification can be enabled and disabled by togging a switch easily. The alarm can be sent to multiple recipients with detailed alarm information including alarm sensor id and measurements.
MQTT data upload and control
Raw data can be transferred to user’s server or clouds in real time by enabling the MQTT data output option. Each gateway has a unique name. There is no limit on how many gateways a factory uses, so that tens of thousands of gateways can be used. To save network bandwidth, the MQTT raw data output can be turned off. One can select only transmitting the vibration and temperature alarm, and analysis result to the server/cloud instead. Each gateway also allows remote control of the DAQ from a server or clouds. Broadsens provides standard MQTT protocol, data format and examples to help users set up the MQTT communication.