Slam Stick User`s Manual - Midé Technology Corporation
Contents
1. Open software Open Slam Stick Lab exe 4 Setrates amp triggers a Referto the section entitled Configuration for a detailed parameters explanation b Refer to Configure Device for instructions and screen views c Ensurethat any data is deleted from the device by holding down the button as the device is unplugged Please note that the Slam Stick always contains a data dat file regardless whether a recording has been made 5 Mountto surface Prior to mounting the device ensure that the intended environment is suitable by referring to the section entitled Operational Environment The section entitled Mounting Instructions provides detailed mounting instructions 6 Press button Press the button to begin recording If you have configured the device to wait for a trigger the device will begin waiting after the button is pressed Refer to the LED Status section 7 Plug in to view data Following completion the data recorded by Slam Stick can be downloaded and viewed using Mid 5 Slam Stick Lab software Details of the operation of this software are provided in the section entitled Slam Stick Lab Overview The Slam Stick Lab software also enables users to export the data to a CSV or MAT file if desired SLAM STICK Version No 1 1 Section Quick Start Guide 7 LED Status Indication The LED indicator designates battery life specifies operating modes and indicates potential errors When Connected2. DAT File Ji Slam Stick X We Libraries i3 Data a Music fe Pictures E Shortcuts Bi videos 1 Computer amp os c R Filename data dat m All Recording Types ide da ra L d r 0 0000 0 0000 0 0005 0 0010 0 0015 0 0020 0 0025 0 0030 0 0035 0 0040 0 0045 0 0077 0 0050 0 0055 0 0060 0 0065 0 0070 0 0075 Figure 7 Recording files such as data dat can be opened using the File drop down menu The data dat file may contain several different recording sessions If it does a second dialog box will appear as shown in Figure 8 The recording sessions will be listed in order with the date and time the files were recorded Also shown is the recording length of each session File Edit View Device Data Help SLAM STICK lab bo os 10 15 Select Recording Session This file contains multiple recording sessions Please select the session to view 2 2014 10 02 15 11 30 274 0156 seconds SS 0 0000 0 0000 0 0005 0 0000 0 0015 0 0020 0 0025 0 0030 0 0035 0 0040 0 0045 0 0077 0 0050 0 0055 0 0060 0 0065 Figure 8 Recording files dat can contain several different recording sessions as shown SLAM STICK Version No 1 1 Section Slam Stick Lab Software Overview 21 Main Plot View The main view is divided into several sections the time navigator the plot view and the status bar as shown in Figure 9 ELE E E ime Na
3. Figure 16 and explained in Table 6 Table 6 View Setting Features Title Redraw Plots Edit Visible Ranges Zoom Set Plot Color Antialiased Drawing Noisy Resampling Show Buffer Data Gridlines Show Absolute UTC Time SLAM STICK Version No 1 1 Description When the window size is modified the plots don t always redraw automatically This feature redraws all plots This allows the user to manually enter the axis ranges for the selected sensor channel These are shortcuts to zoom in and out Note that left clicking and dragging a box in a plot window will zoom into that range and right clicking will zoom out The color of the selected channel can be modified This scales up the number of data points plotted as specified in the preferences dialog box This will smooth out the plot lines This tries to combat aliasing in plotted data by randomly jittering around the number of data points between each plotted point This is only relevant for Mid s Slam Stick X product The major and minimum gridlines can be turned on or off by the user This will show the absolute UTC time in the status bar Section Slam Stick Lab Software Overview 27 File Edit View Device Data Help SLAM Redraw Plots Acceleron Edit Visible Ranges Zoom InX Zoom to Fit X Zoom Out Y Zoom In Y Zoom to Fit Y Zoom Out X Set Plot Color Antialiased Drawing Noisy Resampling Show Buffer Minimum Maximum
4. Show Buffer Mean Show Major Horizontal Gridlines Show Minor Horizontal Gridlines Show Absolute UTC Time Start 630000 s 63 00 63 03 63 05 6307 63 10 63 12 63 15 63 17 63 20 6322 63 25 6327 6330 63 32 End 635000 s 2 587 893 samples imported Figure 16 The View drop down menu provides various settings and features to the user to manipulate how the plotted data is displayed Preferences Under the Edit drop down menu is the Preferences dialog box as shown in Figure 17 Preferences include specifying the color of gridlines and buffer mean maximum minimum modifying the default on mean removal the amount of time used to compute the rolling mean whether or not individual data points will be drawn if the number of pixels on the screen is greater than the number of points the antialiasing scaling factor the resampling jitter factor and the value precisions for the axes number of significant digits of plotted data Some of these preferences are only applicable to Slam Stick X recordings The Slam Stick Lab will also check for automatic updates at the user specified interval in this dialog box Various information and warning dialogs provide the option to prevent that dialog from appearing again Saving the Preferences with the Reset Hidden Dialogs and Warnings checkbox checked will make all warnings visible again SLAM STICK Version No 1 1 Section Slam
5. acquisition units The Slam Stick allows the user to capture vibration data without the need for wires or modification to the vibrating structure Logged data is easily viewed through Mid s software package Slam Stick Lab The user can quickly analyze the data and easily determine the vibration characteristics of the monitored system Correlating sudden accelerations to known changes in the environment is possible with the time stamping information Configuring charging and downloading the data from the Slam Stick to a PC or laptop can be easily achieved through the use of its USB connector and the Slam Stick Lab software package The device appears as an ordinary USB thumb drive enabling plug n play use wherever you go no drivers to install and no special system privileges needed This software package allows the user to configure the recorder for different sample rates or triggering modes quickly review recorded vibration and export recorded data to CSV or MAT format for use with other analysis packages The Slam Stick can be configured to record immediately after a user specified time delay at a specific time or in response to a trigger condition The recording duration and sampling rate are both user configurable Mid has designed another data logger product the Slam Stick X as the next evolutionary step from its original Slam Stick vibration recorder With the Slam Stick X Mid has built in additional features functionalit
6. around the area of interest in the plot Double clicking will zoom out to fit This data can also be exported to CSV from this window and an image of the plot can also be exported File Edit View Data Help Accelerometer X Accelerometer Y Accelerometer Z TELS o k 3 a Figure 19 Multiple acceleration channels can be drawn in one plot using the Render Plot feature Render FFT and Spectrogram The Slam Stick Lab Viewer can also be used to render a Fast Fourier transform FFT or spectrogram 2D FFT The spectrogram slices the recording into shorter time segments and performs FFTs for each time segment to display the frequency content over time as a surface plot This may help provide a clearer picture of vibration events over time for example differentiating constant or repeating shock vibe events from high amplitude but non repetitive events even though they may produce similar amplitude peaks in the 1 D Fourier results Because a recording can contain tens of millions of individual samples the user interface UI provides a means of selecting a specific interval to calculate an FFT or spectrogram for Also the spectrogram UI allows for the selection of the number of slices per second in the spectrogram calculation The Render FFT dialog and the Render Spectrogram dialog have much of the same functionality as the Export Data dialog as shown in Figure 20 Table 8 explains how to perfor
7. information the displayed timestamp may differ slightly typically by one hour from the actual creation time depending on whether Daylight Savings Time is in effect This offset does not affect the file s internal timestamp data NOTE The Slam Stick does not currently use the Local UTC Offset or update the file creation timestamp on the data dat file When the file is viewed in your computer s file manager the file creation time will be shown as 1 1 2000 Triggering Options The Slam Stick can be configured with one or more trigger conditions delaying the start of recording until the desired operating conditions are met If multiple triggers are enabled they are processed in the following order 1 Time Delay 2 Interval and or G Level Trigger Once each trigger condition has been met processing will advance to the next active trigger in this list the previous condition is no longer monitored In other words if a pre recording delay is configured the time delay will occur as specified even if an interval trigger would have occurred during this time Only after the pre recording delay elapses or is canceled by the user will the interval and threshold triggers be processed After any pre recording delay has elapsed if both an Interval trigger and Accelerometer Threshold trigger are set recording will begin as soon as either condition is met and continue for the specified duration regardless of any other triggers that occur during
8. this time For example if a recording length limit of 30 seconds has been set when the acceleration threshold is exceeded recording will begin and continue for 30 seconds even if an Interval trigger occurs partway through this recording SLAM STICK Version No 1 1 Section Pre Operation 13 Triggering Multiple Recordings Normally the Slam Stick turns off at the end of a recording requiring the button to be pressed again to initiate a new recording cycle The Re Triggerable setting can be used to automatically re arm the triggers after recording and take multiple recordings in a row This can be used for unattended recording of multiple events or recording at a specified interval In order to use this feature a recording time limit must be set so that the first recording will actually stop before the battery or storage capacity runs out To automatically record at a specific interval set Alarm Time and set Trigger at Intervals to the desired interval When using a repeating interval trigger the trigger time will occur on a match of a specified time field s between the Alarm Time and the device clock For example if the Alarm Time is set to 11 37 00 any date and the interval is set to Every 1 Hour once the device is armed by pressing the button the first recording will occur the first time the internal clock indicates 37 00 minutes after the hour regardless of the time when the device was armed Each subsequent recording wi
9. to Power LED Battery Status Fully charged Action Disconnect from power and use the device for data Check connection if problem persists contact Mid for logging Charging Continue charging Device not operating properly or not connected correctly assistance During Operation LED Blinking Mode D NoLight 2Sec Blinking Rapid Blinking Status Device is off sleeping or waiting for an acceleration trigger Device is waiting for a time based trigger Device is recording Action If it is off mount the device and press the button Otherwise allow it to wait for the trigger or hold down the button to skip to recording Allow it to wait the configured amount of time Allow it to continue recording or press button to end recording The rate the LED flashes at during recording is directly proportional to sampling rate and may range from once per several seconds at very low sampling rates to many times per second at high rates During recording the flashing of the LED may occasionally skip This is normal and not a cause for concern If you experience any issues please refer to the Troubleshooting section SLAM STICK Version No 1 1 Section LED Status Indication Transportation amp Storage Requirements The Slam Stick is an electronic device and therefore its performance especially battery life can be severely impacted by the environment it is transported
10. FT Render Spectrogram 2D FFT File Properties Recording Properties Channel Info cae cea Path EA WorkiSlam Stick XiTest Recordingsldata dat Print File Size 16 748 544 bytes Print Setup Creation Time 2014 11 06 11 12 26 364468 bit Last Modified 1999 12 31 23 00 00 Dates shown here are according to the file system Dates in the Recording Properties may be more accurate 9 4 2 3 A 5 s 3 s 2 10 Start 630000 s 63 00 6303 63 05 63 07 63 40 63 12 63 45 63 17 63 20 6322 63 25 6327 63 30 63 32 63 35 6337 6340 6342 63 45 63 47 63 50 End 635000 s Y 104505 g 2 587 893 samples imported Figure 14 The recording properties dialog box is accessed in the File drop down menu SLAM STICK Version No 1 1 Section Slam Stick Lab Software Overview 26 The various tabs and information included in this dialog box are shown in Figure 15 The file size and recording start are some of the information included on the recording The session start times will also be listed in this dialog box Mid also includes the sample rate sensor range and maximum and minimum value of each channel The time at which the maximum and minimum value occurred is also provided EI WorStam Stick X Test Recordings data dat Recording Properties File Properties Recording Properties Channel info WREST cx Wors Slam scires Recordings cata da
11. Stick Lab Software Overview 28 Preferences E Ut Color Plot Background _ white Major Gridline C 240 240 240 Minor Gridlines C 240 240 240 Buffer Maximum J 055190190 Buffer Mean C 055255150 Buffer Minimum E 299190255 El Data Remove Total Mean by Default v Rolling Mean Span seconds 5 El Drawing Plot Line Width 1 Draw Points v Antialiasing Scaling 333 Noisy Resampling Jitter El Miscellaneous Show Full Path in Title Bar Display Open Dialog on Startup X Axis Value Precision Y Axis Value Precision Locale English US Automatic Update Check Interval Daily Restarting the app may be required for some changes to take effect Reset Hidden Dialogs and Warnings Cancel Start 110 6450 s 110 650 110 670 110 730 110 750 110 770 End 1108551 s lt 10 5910 g 2 587 893 samples imported Figure 17 Preferences are selectable to improve the user experience Export Data One function accessible via the File drop down menu is Export Data This will bring up a dialog box that will prompt the user to select the location and type of file export either csv or mat If a CSV export is selected the data will be exported as a comma separated text file with the selected channels data arranged row wise if a MAT export is selected the data will be exported as a MatLab compatible array with the selected channels da
12. T 853 0332 ONDE GSS GSMO 0342 GSA GSAT 654 2587 893 samples imported Figure 11 Multiple plots can be viewed together by dragging tabs into different areas of the window SLAM STICK Version No 1 1 Section Slam Stick Lab Software Overview 23 Figure 12 and Table 5 identify and explain the various features available to the user in the plot view Vertical Zoom Buttons Vertical Plot Axis Manual Time Entry Fields Horizontal Axis Sc Tab Bar PTT 4222 129 130 140 150 160 170 160 190 200 210 220 230 240 Vertical Axis Scale and Scrollbar Accelerometer Horizontal Plot Axis ale and Scrollbar Figure 12 Various features of the plot view are identified Table 5 Various Features of the Plot View Title Tab Bar Horizontal Axis Scale and Scrollbar Vertical Axis Scale and Scrollbar Manual Time Entry Fields Vertical Zoom Buttons Vertical Plot Axis Horizontal Plot Axis Description The Tab Bar shows a tab for each sample set The tabs can be dragged to reorder and more than one plot can be shown simultaneously by dragging a tab from the bar into the main view Tabs can be dragged from one tab bar to another The scrollbar below the horizontal axis scale moves the current timespan displayed Clicking and dragging on the horizontal axis scale bar allows for precise adjustment This scrollbar enables the user to control the range of ver
13. User Manual SLAM STICK Shock Impact Vibration Data Logger Table of Contents General Information T Copyrig Nisee aie aa trag bU pe ele ea hee ITLOGUCTION sacacicce uti amit Ene S mna e Mb edis Overview of Features ccc cece cece eee SPECIICATONS csset Rote ei EG Tel EN e ead Hardware Description lesse eee eens Quick Start Guide leeren is LED Status Indication sssssesssossessooses Transportation amp Storage Requirements Pre ObDGOtallObl 4x55 x RERO HORE Rd CR RR Charging hs EPHCULOMS quo casguni ANNE eR OE Oa Ed rod bana Deleting Data off the Device eee eee ee COnNNG rI OR eceania orate ERA ERO SERE QURE gf Differences Between Slam Stick and Slam Stick X Device Identification llle eens Oper at lon iis d eX OEC a C Na CR dos Operational Environment eee eee eee ees Mounting Instructions 0 cece eee eee ee eee Recording Data dani date aie dt ditare manne File Structure 6 0 0 cece cece cece cece e eee een Slam Stick Lab Software Overview Configure Device opi eR p RR ease RR RR ed Recording Properties Troubleshooting een Product Support sce esee ee vases vanes vanes SLAM STICK General Information Copyright This manual software and the design data which it describes are copyright with all rights reserved None of the data may b
14. able and the default values are also provided Table 2 Configurable Variables of the Slam Stick Variable Name Sampling Frequency fs Enable Realtime Clock Calendar Set RTCC Time Date UTC Offset Delay After Button Press Recording Length Limit Re Triggerable Alarm Time SLAM STICK Version No 1 1 Description The frequency at which the Slam Stick measures and records acceleration data Enables the hardware realtime clock and includes a timestamp with each recording Note that the realtime clock option and configuration options that depend on it e g interval triggers are available on Slam Stick version 2 or later and are not available on older devices If checked set the device clock when the configuration is saved The clock will be set from the PC s system clock The time difference between Coordinated Universal Time UTC and the local time This value is used to display correct file timestamps on the device Note that this delay occurs only once after arming button press it will not recur if multiple triggered recordings occur Limit the duration of each recording in seconds Specifying a limit is necessary if multiple recordings are desired If no limit is entered recording will proceed until manually stopped or the memory is full If recording duration is limited the device can be programmed to be retriggerable where after a recording it begins waiting for the progra
15. ait a moment and plug the device in again to reinitialize the file system Contact Mid to receive further assistance Delete the data by holding down the button while removing from power For technical support repair and returns please contact Mid s Slam Stick sales department at 781 306 0609 extension 239 We can also be reached by email at service mide com Please note that product specifications are subject to change without notice This often occurs due to Mid s continued effort to improve the features and functionality of this product For software updates up to date user guide datasheet and other product information please visit our website at www mide com Mid s sales and technical staff would also be happy to help with any inquires of updated product information Mid 200 Boston Avenue Suite 1000 Medford MA 02155 Email service mide com Phone 1 781 306 0609 Mid Technology is an ISO 9001 2008 Certified Company SLAM STICK Version No 1 1 Section Troubleshooting 35
16. and or stored in Mid recommends that the Slam Stick be both transported and stored at room temperature 20 to 25 C 68 to 77 F It is also recommended that the transportation and or storage environment have a low 5096 relative humidity RH CAUTION Be sure to transport and or store the device in an environment that does not expose it to water fuel oil wet paint or other liquids and contaminants that could damage the Slam Stick If the Slam Stick will not be used for an extended period of time it is recommended to recharge the device at least twice per year to prevent over discharge More frequent recharging may be required if stored at high temperatures SLAM STICK Version No 1 1 Section Transportation amp Storage Requirements 9 Pre Operation Prior to using the Slam Stick for data logging it will need to be fully charged and configured Charging Instructions The Slam Stick is charged by connecting the device to a USB power source CAUTION Be certain to insert the Slam Stick into a USB receptacle with minimal force to prevent damage Do not insert the device at an angle because it can cause damage Do not hold the button down when plugging in Figure 2 The Slam Stick is easily charged by plugging into a computer or power source The LED indicator will designate the battery charging state as specified in LED Status Indication section Once fully charged the LED indicator will display a constant green light It is e
17. ation The Slam Stick onboard realtime clock and timestamps embedded within recording files are always stored in UTC Coordinated Universal Time internally This provides a standard representation which can be used and shared internationally without needing to know the timezone or special conditions e g Daylight Savings Time in effect when where the recording was made For most practical purposes UTC and GMT Greenwich Mean Time can be considered equivalent In the Slam Stick Lab software times are displayed and entered in local time by default using your computer s timezone and DST setting if applicable The UTC Time configuration item can be used to enter a wake up time trigger directly in UTC if desired and the View gt Show Absolute UTC Time option in Slam Stick Lab can be used to display recording times directly in UTC The file creation times displayed by your computer operating system s file manager are always in local time The Local UTC Offset timezone configuration item is used by some devices only to determine the appropriate local time value when creating the file This file creation timestamp is for display purposes only and does not affect the UTC timestamps actually recorded inside the file Recording files can be copied moved renamed and otherwise processed without worrying about altering the internal timestamp data NOTE Due to the way some operating systems such as Microsoft Windows handle file timestamp
18. ce These warnings and cautions will be presented in the following manner WARNING This represents an operating procedure practice condition statement etc which if not strictly observed could result in injury to personnel or long term health hazards CAUTION This represents an operating procedure practice condition statement etc which if not strictly observed could result in damage to or destruction of equipment or a reduction in performance In addition to the specific warnings and cautions included in this manual Mid recommends that all customers install operate and maintain the Slam Stick in accordance with general safety guidelines included in standards published by OSHA SLAM STICK Version No 1 1 Section General Information 3 Introduction The Slam Stick was originally developed for Mid s energy harvesting customers who needed a quick easy and cost effective method to characterize their vibration environment Since its launch customers from all industries have utilized the Slam Stick for a variety of applications to measure shock and vibrations Its size ease of use sampling rate and low cost make it an ideal tool for shock and vibration measurement The Slam Stick was designed to work in parallel with or ideally replace the cumbersome instrumentation systems typically used to monitor and record vibrations These systems require accelerometers hardwired to signal processors and then subsequently to data
19. d not be submerged or subjected to direct fluid spray Mid recommends applying a layer of removable tape over the button if the environment is especially dusty of if there is a known risk of fluid spray It is also recommended to keep the USB cap on at all times during operation CAUTION Do not expose the device to water fuel oil wet paint or other liquids and contaminants that could damage the Slam Stick Although the Slam Stick has been demonstrated to survive harsh environmental conditions it is still an electronic device and care should be exercised when determining where to use the device It is also recommended to reduce the total duration the device is subjected to environmental extremes CAUTION Operation of the Slam Stick outside of the recommended environment will void the warranty and could also cause the device to be out of calibration If you are unsure if the Slam Stick can survive your intended operational environment please contact Mid for assistance A technical representative can be reached at service mide com SLAM STICK Version No 1 1 Section Operation 16 Mounting Instructions Prior to mounting the device be sure that the mounting surface is clean and devoid of any dust and small particles WARNING Many degreasing and cleaning solvents are flammable and must be kept away from open flames and sparks Use only under well ventilated conditions Do not smoke while using flammable solvents CAUTION Ensu
20. e Device drop down menu SLAM STICK Version No 1 1 Section Slam Stick Lab Software Overview 19 The Configure Device dialog shown in Figure 6 provides a UI for configuring the device as well as displaying more information about the device The configurable variables are explained in more depth in the Pre Operation section General Triggers Devi F General Triggers Device Info General Triggers Device info Device Name Delay After Button Press seconds Device Type Slam Stick Classic Recording Length Limit seconds System UID lana Device Notes E Re triggerable Version String 1 02016 Interval Trigger Hardware Revision 2 Sampling Frequency Hz EBAn Tine 11 6 2014 06 06 47 Firmware Revision 2 Enable Realtime Clock Cal MC Config Format Version 2 I Set RTCC Time Date At specified time onl Capacity UTC Offset Limit Number of Triggers xima Accelerometer Triggers Accelerometer Threshold Ignore G Reset to Defaults Figure 6 Configuration of various variables is made possible through the device configuration dialog box Under the General tab various global properties of the recorder are displayed such as the device name and the desired sampling rate Under the Triggers tab the user can define the values for the various trigger parameters A recording can be triggered by sensor readings an absolute time or a time relative to when the recorder
21. e copied without the express written consent of Mid Technology Corporation Refer to Mid Technology Corporation s full Copyright Policy at http www mide com legal legal copyright php for the full legal terms in regard to this copyright Warranty Mid Technology Corporation warrants that the Slam Stick will be free from defects in workmanship and materials in normal use and operation within one year from date of shipment This warranty only applies when the Slam Stick is installed maintained and repaired in accordance with all of the directions instructions diagrams safety warnings cautions and other notices set forth in this manual and if not damaged by persons actions or inactions unrelated to Mid In the event of any such defect of which Mid is informed in writing within such one year period Mid s sole responsibility is at Mid s option to provide a replacement Slam Stick at no cost to the Buyer upon the return of the defective product Requests for compliance with this express limited warranty shall be honored only when made by the Buyer Refer to the Terms and Conditions at http www mide com legal legal_terms php 4 for the full legal terms in regard to this warranty Safety Precautions A number of warnings and cautions appear in the text of this technical manual They are intended to safeguard personnel and equipment from potential hazards or damage during equipment installation operation and maintenan
22. e trigger and then wait for an acceleration threshold File Management File system is virtual config dat Files displayed by the and data dat files are always computer s operating system present and have a fixed size represent real files on the Erase old recording data by device erase old recording following the procedure in this data by deleting the unwanted manual rather than attempting recording files to delete files Acceleration Threshold Acceleration threshold is an Acceleration thresholds may absolute value and will trigger allow separate positive and if exceeded in either the negative going thresholds positive or negative direction Consult the Slam Stick X product documentation for more information Device Identification TW Y EE EL Y PN LOG 0001 Z LED SNEENN X s m n Figure 3 Identification sticker Mid logs all devices that are manufactured and keeps all pertinent information about each unit If provided the serial number Mid will be able to list all of the information on the particular unit SLAM STICK Version No 1 1 Section Pre Operation Operation Operational Environment The Slam Stick is rated to operate between 40 C and 80 C It is not recommended to use the device in an environment where temperatures exceed 80 C or drop below 40 C The device can operate in humid environments as well from 0 9596 RH non condensing The Slam Stick is only dust proof and therefore shoul
23. ectable with provided software Refer to website SLAM STICK Version No 1 1 Slam Stick X Y Z 16g 0 300 Hz 100 Hz to 3 2 kH gt 16 mins 3 2 kHz 16 MB 40 C 80C 2 71 in 69 mm 0 91in 23 mm 0 34 in 9 mm 14 grams 3 years Time delay calendar date time acceleration level Section General Information Hardware Description Various external features of the Slam Stick are identified in Figure 1 The LED indicator is a orange LED near the rear that is used to present to the user various states of the device The button is used to initiate and end recordings and also to manually cycle through programmed triggers There is a pair of LEDs near the USB connector orange and green to indicate the battery charging status during charge These will show orange when charging and green when full The coordinate system reference illustrates the axes directions of the device LED USB Button Figure 1 The Slam Stick is shown with various key features identified SLAM STICK Version No 1 1 Section General Information Quick Start Guide This Quick Start Guide may be used as a reference document on the proper use of the device 1 Plug into charge a Connect the Slam Stick to a computer b Charge your device refer to Charging Instructions 2 Download Download datasheet User Manual amp Software from website http www mide com products slamstick slamstick vibration data logger php 3
24. eds A major feature of the software is that it operates asynchronously data can be viewed as it is read from the device or file Mid is committed to offering a robust and user friendly software package to its customers it welcomes any suggestions on potential improvement areas To run the Slam Stick Lab package simply download the most recent version from http www mide com products slamstick slamstick vibration data logger php The application file with the Slam Stick Lab logo called Slam Stick Lab exe can be double clicked to run the software Configure Device While data recorders appear as USB storage devices the Slam Stick Lab provides a more verbose UI for selecting attached devices Recorders are displayed by their filesystem path e g a drive letter under Windows user specified device name factory defined device type name and device serial number if available Additional information about a device is displayed under the device list To configure a device open the drop down menu Device and then Configure Device Ctrl D as shown in Figure 5 CiD zs so 35 40 45 so ss 60 65 70 75 so 85 90 95 00 4 9 89 Select Recorder 28 Path Name Type Serial FA Slam Stick Slam Stick Classic 0 0000 0 0000 0 0005 0 0000 0 0015 0 0020 0 0025 0 0030 0 0035 0 0040 0 0045 0 0050 0 0055 0 0060 0 0065 0 0070 0 0075 0 0077 Figure 5 To configure a Slam Stick use th
25. ion Plug the device into a power source to charge the battery fully prior to use Hold down the button while unplugging from power to erase Allow itto wait for the trigger or hold down the button to skip to recording Check the configuration settings to ensure that a trigger value has not been programmed If it has then this trigger parameter may have never been exceeded Plug the device into a power source to charge the battery fully prior to use Additional fixturing is required Be sure to mount and use the device in an environment that is devoid of moving parts and objects that could damage the device Section Troubleshooting 34 The device does The USB is not properly not appear in My inserted or debris is Computer when interfering with contact connected The device is in Firmware Update mode activity LED blinks while plugged in The internal file system is corrupted There may have been water and dust damage Unable to delete the This file is automatically Data dat file generated by the Slam Stick and will always be 16 MB regardless of the amount of data actually recorded Product Support Check the connection to the device and to your computer to ensure it is properly plugged in Remove any pocket lint or other debris present in the USB Unplug wait a moment and plug the device in again Ensure the button is not depressed when plugging in Allow the battery to charge then unplug w
26. ional recordings independently of this setting If enabled initiate recording when the g level on any specified axis meets or exceeds this value Specifies which axes may generate a threshold exceedance trigger If selected the threshold will be evaluated on the accelerometer s dynamic AC output only ignoring any static or slowly changing acceleration typically the 1g acceleration that is always present due to Earth s gravity If unselected static accelerations such as gravity will contribute toward the threshold The threshold can be either evaluated continuously i e at the configured sample rate recommended or at an infrequent interval to save battery power Note that if one of the low rates is selected acceleration events shorter than this interval may not activate the threshold trigger Disabled local time At Specific Time Only Disabled No limit No Trigger X Y and Z Disabled Continuous recommended Enabled or Disabled Every 0 5 seconds to 1 month or specified time only 1 255 interval triggers 0 1g to 16g Any combination of axes may be selected Enabled or Disabled 1Hz 2Hz 3Hz 4Hz 8Hz or Continuous It will record until the battery life expires or the recording duration length is reached whichever occurs sooner It will remain in this state until the device is plugged into power Time Formats SLAM STICK Version No 1 1 Section Pre Oper
27. is functions almost identically to its counterpart in the Export CSV dialog This area also displays warnings if the number of samples in the specified time range is likely to require more memory than is available Because this is a very rough estimate these messages are only warnings and will not prohibit an attempt to compute FFT data from an overly large dataset Sampling Window FFT computation is done via Welch s Method utilizing a size limited Size sliding window The size of the window can be adjusted a smaller window may conserve memory at the cost of increasing the minimum frequency computed Slices Per Second This defines the number of slices per second the spectrogram calculator breaks the data into Increasing number of slices per second increases the time resolution at the expense of frequency resolution and vice versa SLAM STICK Version No 1 1 Section Slam Stick Lab Software Overview 32 Figure 21 provides sample plots using the Slam Stick Lab software Mid used its shaker to generate this data In the test the shaker swept in frequency from 15 Hz to 70 Hz at a near constant amplitude of 10 gs while sampling at 3 2 kHz The FFT and spectrogram were generated for a subset of that sweep as shown After generating a FFT or spectrogram the Lab enables this data to be exported to a CSV format for manipulation or further analysis File Edit View Data Help T FFT Accelerometer Y 0 0000s to 100 0000s Acce
28. is powered up Under the Device Info tab read only information about the device is displayed The contents of this tab are dynamically generated from the data that the recorder makes available Also included in the configuration dialog box are buttons to return the general settings and triggers to the default values Configuration settings can also be saved and imported using the Import Export buttons In both cases the device name and notes will not be changed To complete the configuration of the device hit the Apply button A dialog box will appear confirming the successful confirmation of the device SLAM STICK Version No 1 1 Section Slam Stick Lab Software Overview 20 Data Analysis Open Recording To open a recording use the File drop down menu and select Open as shown in Figure 7 The keyboard shortcut Ctrl O can also be used to open a file Please note that the software will open the files faster if they have been copied onto a computer first File Edit View Device Data Help New Viewer Window Close Viewer Window Open Stop Importing Export Data CSV ie Choose a file Render Plots c Render FFT GO gt Computer gt Slam Stick F 4s Search Siam Stick F Render Spectrogram 21 Organize gt Newfolder Ji MidePublic Ji Steve H J LOG 0002 Slam Stick X Name config dat _ data dat Date modified Type 1 1 2000 12 00 AM 1 1 2000 12 00 AM DAT File
29. lay as the UTC timestamps time O is the start of the UTC Epoch on Jan 1 1970 If checked this will make the UTC timestamps more human readable to read as the date and time within the day 9 SlamStick Classic Combined Sensor Accelerometer XYZ Accelerometer X Accelerometer Y Accelerometer Z V V Exporting 4 columns time 3 data Range to Export All 0 to 274 0156 s Visible Time Range 101 6101 to 102 838 s Specific Range 101 61014502 102 83796931 Selected time range contains 3 867 samples Mean Removal None Include Column Headers CSV only Use Absolute UTC Timestamps Use ISO Time Format CSV only Figure 18 The export dialog box enables users to export data channels to a CSV file Render Plots If it is desirable to view the X Y and Z axis acceleration in one plot the Render Plots feature in the File drop down menu can be utilized If selected a dialog box similar to the export data dialog box will appear where you can select which range of data to plot and which acceleration axes to include in the plot It is recommended to not plot a very large range of data using this feature because it can take several minutes to load all of the data points SLAM STICK Version No 1 1 Section Slam Stick Lab Software Overview 30 Once loaded a plot window will appear as shown in Figure 19 In this window zooming is available by left clicking a box
30. lerometer Y 0 08 0 07 o o o Amplitude o o E T Frequency View Data Help Accelerometer Y Accelerometer Y 2000 1800 1600 1400 1200 Frequency eo co 3 s S s s Ss r3 Ss e Figure 21 Sample FFT and Spectrogram plots are shown Mid performed a test on its shaker to generate this data where it swept up in frequency SLAM STICK Version No 1 1 Section Slam Stick Lab Software Overview 33 Troubleshooting Some common problems that require simple fixes are presented in Table 9 for troubleshooting If you experience an issue that is not covered in this table or if the suggested actions do not resolve the problem please contact Mid to receive assistance Table 9 Troubleshooting Issues with Slam Stick Problem No LED activity after pressing the button There are no recording sessions on the device The Slam Stick came dislodged SLAM STICK Version No 1 1 Potential Cause The battery charge is depleted The device may have been unable to record due to running out of storage space or an abnormally terminated recording e g the device was plugged in during a recording It is waiting for an acceleration trigger A recording was never triggered The battery charge is depleted The structure the device was mounted to experienced significant shocks vibrations The device may have experienced a direct impact from a foreign moving object Act
31. ll start at exactly 37 minutes after each subsequent hour Bypassing Triggers When the Slam Stick is waiting for a trigger condition press and hold the button for at least one second to manually bypass the trigger automatically advancing to the next trigger or initiating recording Likewise pressing the button during active recording will terminate recording including any multi recording cycle and shut off the device regardless of the configured recording time limit or re trigger setting Configuration is performed using the Slam Stick Lab software please refer to the section entitled Configure Device Differences Between Slam Stick and Slam Stick X For customers who own both the Slam Stick and Slam Stick X please note that some trigger options and behaviors differ between these products Wake After Delay Delay After Button Press Interval and Acceleration Triggers SLAM STICK Version No 1 1 Slam Stick N A The delay occurs immediately after arming button press and occurs only once even if multiple triggered recordings occur Triggers are processed in parallel at the same priority level and recording will occur if either event occurs Section Pre Operation Slam Stick X This setting applies each time the device is awakened including between triggered recordings N A These trigger types are processed in series if both types of trigger are enabled the device will wake up due to the tim
32. m the FFT or spectrogram analysis SLAM STICK Version No 1 1 Section Slam Stick Lab Software Overview 31 Oo E19 SlamStick Classic Combined Sensor amp Accelerometer XYZ 7 Accelerometer X 7 Accelerometer Y Accelerometer Z 3 subchannels selected Range to Export All 0 to 274 0156 s Visible Time Range 101 6101 to 102 838 s Specific Range 101 61014502 102 83796931 Selected time range contains 3 867 samples Mean Removal None Sampling Window Size 65536 K j cae g 3 9 SlamStick Classic Combined Sensor i9 Accelerometer XYZ vV Accelerometer X vV Accelerometer Y vV Accelerometer Z 3 subchannels selected Range to Export All 0 to 274 0156 s Visible Time Range 101 6101 to 102 838 s Specific Range 101 61014502 102 83796931 5 Selected time range contains 3 867 samples Mean Removal None S Slices per Second 4 X ox jJ ewe jJ Figure 20 The render FFT and render spectrogram dialog box allows the user to specify a range of data to perform the analysis Table 8 Various Features of the FFT and Spectrogram Dialog Boxes Title Description Channel Selector This functions almost identically to its counterpart in the Export CSV dialog As with the export FFT data for sets of channels sub channels with different sample rates must be computed separately Range Selector Th
33. mmed triggers again Wakeup time used for the wakeup interval trigger function Section Pre Operation Default 3 2 kHz Enabled Enabled No Delay Trigger 0 no limit Disabled the current time Value Range 100 Hz 3 2 kHz Enabled or Disabled Enabled or Disabled UTC 12 to UTC 12 0 131 070 seconds in 2 second increments subject to available memory 0 131 070 seconds in 2 second increments subject to available memory Enabled or Disabled 1 1 2000 to 12 31 2099 time 00 00 00 through 23 59 59 Use UTC Time Trigger at Intervals Limit Number of Triggers Accelerometer Threshold X Y Z Axis Trigger Ignore Gravity Accelerometer Check Interval If set the wakeup time can be entered directly in UTC If cleared wakeup time entry is in local time Specifies the interval at which to trigger a recording using the Alarm Time If At specified time only is selected recording will be triggered exactly once when the time on the internal clock exactly matches the Alarm Time the device must be fully armed on or before the Alarm Time Otherwise recording will be triggered on a partial match between the internal clock and the Alarm Time such as hour minute etc When using the Interval Trigger mode limit number of Interval Trigger recordings to the specified value Note that other enabled triggers such as accelerometer threshold can still trigger addit
34. nts valuable information to the user while plotting data Table 6 Various Features of the Status Bar Title Horizontal Position Display Time Stamp Display Vertical Position Display Samples Imported Progress Bar SLAM STICK Version No 1 1 Description When the mouse pointer is within a plot area the x coordinate of the plot is displayed in the units of the plot When the mouse pointer is within a plot area the time stamp of the data points the cursor is over are displayed When the mouse pointer is with a plot area the y coordinate of the plot is displayed in the units of the plot When the viewer is working in the background this status message displays the number of samples recorded during data importing This provides a visual display of the progress of the full data import Section Slam Stick Lab Software Overview 25 Recording Properties Once a recording has been loaded Slam Stick Lab can display information on the recording file and on the device that generated the recording To access this information click on Recording Properties under the File drop down menu or use the keyboard shortcut Ctrl I as shown in Figure 14 Eile Edit View Device Data Help New Viewer Window 70 80 90 100 110 120 120 140 150 160 170 180 190 200 210 220 230 240 280 260 2L Close Viewer Window Open T LLLLLELLLELLII Render Plots EA Worl Slam _Stick_X Test_Recordings data dat Recording Properties Render F
35. ositioned in relation to one another This will help with data analysis and ensure that data recorded on the device can be correlated to real world events known by the system environment Figure 4 The X and Y axes are as indicated The Z axis is in the direction from the board up to the top of the enclosure the side with the button Recording Data After the Slam Stick has been configured mounted and secured it is ready to record Simply press the button to begin recording or waiting for triggers Refer to Table 3 SLAM STICK Version No 1 1 Section Operation 17 Table 3 LED Indication During Operation LED Blinking Mode Status Action Q NoLight Device is off sleeping or If it is off mount the device and press waiting for an acceleration the button Otherwise allow it to wait trigger for the trigger or hold down the button to skip to recording 2Sec Blinking Device is waiting fora time Allow it to wait the configured amount based trigger of time Rapid Blinking Device is recording Allow it to continue recording or press button to end recording At any time during a recording the user can press the button to stop the recording If the button is pressed while the device is waiting for a trigger it will skip to the next specified event Once a recording event has been triggered pressing the button will end the recording The user can press the button again to reactivate the device or to immedia
36. re that any cleaning solvent does not contact the USB Liquids especially cleaning compounds have the ability to electrically damage the Slam Stick device Attach the Slam Stick to the vibration source using any means that will ensure a high quality vibration energy transfer with minimal damping Ensure that the mounting method also allows for easy removal of the Slam Stick after the test Ensure that the user still has access to the operating button after installation or delay is long enough to permit installation Suggested mounting options include bee s wax thin double sided tape magnetic fixturing and or mechanical brackets If mechanical brackets are used be careful not to over load the plastic enclosure CAUTION The Slam Stick has a plastic enclosure therefore the user should not overstrain the device when mounting it to a surface or use a metal blade to clean the surface Be sure to note the mounting orientation of the Slam Stick Mid recommends taking a photograph after mounting the device so that the orientation can be verified after data logging The membrane on the outside of the device includes a coordinate system reference which is further explained in Figure 4 If the device is being mounted in an environment with a preexisting coordinate system such as an aircraft be sure to align the device s coordinate system with that of the environment If this is difficult to align perfectly note how the two coordinate systems are p
37. reases the length of the range currently displayed in the Plot View the horizontal axis The Zoom In button decreases the length of the range currently displayed in the Plot View the horizontal axis The Zoom to Fit button zooms out to fit the file s entire time range The start time of the recording is counted from when the recording was first initiated by pressing the button not when the first sample is recorded Therefore the first recorded data sample may not necessarily start at 0 especially when using a triggered mode The time offset where the recording starts can be used to determine how much time elapsed between the start of a recording cycle and the trigger event Plot View The plot view enables the user to view the data recorded on the Slam Stick and also to compare various data channels with one another The plot tabs can be dragged into various areas of the viewer window to aid in the comparison of data channels This is done by clicking on the shown tab and dragging into the desired location as shown in Figure 11 The location that the plot will appear will become shaded in blue at this time the mouse can be released to redraw the plot in that location file di View Device Dats Help SLAM STICK lab p 0 WY WAV CTT KK Ej jew Desce Da 7 EE MO 120 130 140 150 1 DE EEE E ts os l ES E Wr esto exis Gans eir enzo 6322 GAS GE
38. stimated that a full battery charge will take less than an hour depending on the power source and the age of the battery Deleting Data off the Device It is recommended to delete all data on the device prior to each use to ensure that it does not run out of memory during a recording To erase data the configuration file will not be erased hold down the white button while unplugging the USB connection Keep the white button pressed down until the orange LED starts flashing At this point you can remove pressure from the button The device is done erasing when the flashing LED stops This will clear any previous recordings from the device so it will be ready for more testing Please note that the data dat file on the Slam Stick will always have a file size of 16 MB or 4 MB for the older Slam Stick version regardless if there is actually any data on it Deleting this file in the windows explorer will not actually delete the data as this file is regenerated every time the device is plugged into power The only way to delete data off the device is to hold down the button while unplugging the Slam Stick SLAM STICK Version No 1 1 Section Pre Operation 10 Configuration Several of the Slam Stick recording variables are user configurable in order to meet various recording needs Table 2 lists the configurable variables and describes what each represents The table also defines the range of values that can be entered by the user for each vari
39. t Recording Properties WEB FA entlasten Test Recndingsdatadat Recording Properties File Properties Recording Properties Channel Info File Properties Recording Properties Channel ino 16 748 544 bytes 2014 11 06 11 12 26 264468 1999 12 31 23 00 00 Path EA Work Slam_Stick_XiTest_Recordingsidata dat are according to the fle system Dates in the Recording Properties may be Channel 00 Accelerometer XYZ 4 Subchannel 00 0 Accelerometer X Sensor Range Norrinal Sample Rete File Damaged False Number of Sessions 3 2014 10 02 14 58 08 2014 10 02 15 04 36 2011 10 02 15 11 30 16 0 t0 16 0 9 3148 109 Hz 31953 253 4884 2 5547 253 5710 Session 0 Stat UTC Session 1 Stan UTC Minimum Value Session 2 Stat UTC Maximum Value Subchannel 00 1 Accelerometer Y Sensor Range Nominal Sample Rate 46010 16 0 9 3148 109 Hz 16 0000 249 0889 19 9922 251 4580 Minimum Value Maximum Value Subchannel 00 2 Accoloromotor Z Sensor Range 46010 16 0 g d 3148109 Hz 13 7734 252 5557 Nominal Sample Rate Minimum Valua Figure 15 The Recording Properties dialog box presents a lot of information on a particular View Settings recording The View drop down menu provides various features and settings to the user to manipulate how the plotted data is displayed The features and keyboard shortcuts are shown in
40. ta arranged column wise In either case the Oth row or column will contain the time vector and the remaining rows or columns will contain the selected channels in alphabetical order Once a file type and location is selected a dialog box as shown in as shown in Figure 18 will appear This is used for selecting channels and the time range for export Table 7 explains how the user can define what information to export Table 7 Various Features of the Export Dialog Box Title Description Channel Selector The various sensor data channels sub channels are listed in a hierarchical format Different sub channels of the same channel can be exported together sets of channels sub channels with different sample rates must be exported separately SLAM STICK Version No 1 1 Section Slam Stick Lab Software Overview 29 Range Selector Mean Removal Include Column Headers Box Absolute UTC Timestamps Use ISO Time Format Select time ranges of samples can be selected for export The number of samples within the specified interval is also displayed If All is selected all samples in the full time range of the dataset will be exported If Visible Time Range is selected the range displayed in the main view will export If Specific Range is selected an explicitly defined interval will export This is for the Slam Stick X If checked the first row of the exported CSV will contain the column names If checked the time column will disp
41. tely begin recording This will depend on configuration and adequate battery life The rate the LED flashes at during recording is directly proportional to sampling rate and may range from once per several seconds at very low sampling rates to many times per second at high rates During recording the flashing of the LED may occasionally skip This is normal and not a cause for concern File Structure The data dat file approx 16MB and config dat file will always appear on the device even if it has been erased and no new recordings have been taken The file timestamps will contain a default value e g 1 1 2000 regardless of the date the recording was taken This is normal operation and not a cause for concern Do not perform file management directly on the Slam Stick such as deleting moving or creating new files on the device or reformatting using your PC as this may cause any currently recorded data to be lost If such file management has been performed or your PC does not correctly recognize the disk please erase it by holding down the button while unplugging This will recreate the internal file system and associated files SLAM STICK Version No 1 1 Section Operation 18 Slam Stick Lab Software Overview SLAM STICK lab The primary function of the Slam Stick Lab software application is to import and display data from the Slam Stick data logger Itis also used to configure the Slam Stick to meet various recording ne
42. tical axis values being presented The start and end of a specific time range can be entered here to accurately zoom into or out to an intended time range These increase and or decrease the scale of the vertical axis The first two Zoom In and Zoom Out scale by a fixed amount The third button Zoom to Fit adjusts the displayed minimum and maximum to best fit the range of values currently displayed The vertical axis displays the values of the respective plot s data channel The units of this axis are displayed below the zoom buttons Clicking on this axis also enables the user to precisely adjust the viewable range The horizontal axis displays the time range of the respective plot The units of this axis are always in seconds Also note that a plot can be zoomed in by left clicking a box around the area of interest in the plot Right clicking in the plot window will incrementally zoom out SLAM STICK Version No 1 1 Section Slam Stick Lab Software Overview 24 Status Bar A status bar is located on the bottom of the window to present information to the user during data importing and about the plotted data Figure 13 and Table 6 identify and explain the various features and information presented in the status bar Horizontal Position Time Stamp Display Display X1002883 s V 03268 g X UTC 2011 10 021913102843 2587 393 samples imported Vertical Position Display Samples Imported Figure 13 The status bar prese
43. vigator MT 25 100 30 LUE X1002843s Y 0 8268g X UTC 2014 10 02 19 13 10 2843 2 587 893 samples imported Figure 9 The main view of the Slam Stick Lab viewer is shown Time Navigator The time navigator displays the entire recording interval and allows the user to zoom in and out of a particular time range of interest Figure 10 and Table 8 identify and explain various features of the navigator Timeline Zoom Buttons SLAM STICK lab ps 15 20 25 k 40 45 5055 60 707580 8590 400 11 0 120 130 140 150 160 170 48 4 amp 9 Displayed Range Markers Figure 10 The time navigator view enables the user to control the time range of the presented data Table 4 Various Features of the Time Navigator Title Description Timeline The timeline displays the start and end times of the entire recording This display updates dynamically when importing data from the recorder Displayed Range The blue markers indicate the range currently displayed in the Plot View Markers These update dynamically when the Plot View is scrolled These markers can be dragged to quickly specify a range to display SLAM STICK Version No 1 1 Section Slam Stick Lab Software Overview 22 Zoom Buttons The Zoom Out button inc
44. y and robustness while maintaining a small form factor and wireless portability For more information on the Slam Stick the Slam Stick X and a wide range of other products please go to www mide com Any questions about Mid s products can be asked by emailing service mide com or calling 781 306 0609 SLAM STICK Version No 1 1 Section General Information 4 Overview of Features The Slam Stick is a three axis vibration data logger capable of measuring and recording accelerations at a high sampling rate so that the user can perform detailed vibrational analysis A real time clock provides time stamps for all data recorded so that comparisons to real world events can be made Features include Free Analysis Software click here for web page Simple and Easy to Use Small and Lightweight High Speed 3 2 KHz Sampling Rate e Rechargable e Characterizes Vibration Profile e Dust Proof Enclosure Simple Analysis amp Configuration Software Specifications For a more detailed overview of the product s specifications please refer to the Slam Stick datasheet available at http www mide com pdfs slam stick datasheet pdf Table 1 General Slam Stick Specifications Specification Axes Measured Max Acceleration Frequency Response Sampling Rate Max Recording Storage Size Minimum Operating Temperature Maximum Operating Temperature Lenght Width Height Mass Battery Lifespan Triggering User sel
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