Perpetuum Ltd wSNAK User Manual
Contents
1. FFT The different graphs are accessed via the tabs provided at the top of the display panel The graph viewer panel displays the most recent FFT along with trends for the PMG17 power generated accelerometer temperature and LOI The different graphs are accessed via the tabs provided at the top of the display panel The data viewer panel lists the time node address and data length of the incoming data The display properties panel displays the node address of the four wireless nodes and allows the user to assign colours for each Data viewer panel Node Demonstration Data Frequency Data Temperature Power LOI Node Address 1032 Packet Size 2055 Bytes Time 14 14 16 Amplitude mg RMS MNAL AMS 127 SIGN AMS 127 Pid Graph viewer panel Display properties panel Display Properties 1032 B lue m ND NODE A d o7 NO NODE Green NONODE Back FFT Data l Auto Update Graphs v Auto Zoom Graphs Bad Power data 0 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400 Frequency Hz Figure 2 Perpetuum wSNAK Display Software showing the accelerometer FFT Document 39996 Revision 2 0 Page 11 of 20 John Parker 5 February 2009 Perpetuum Ltd Reporting Interval The wSNAK reporting interval is a function of the power generated by the vibration energy harvester The following table gives the approximate reporting interval for various power levels Power Time to first rep2. as short as See crystal notes OF x possible 32 TARH Guardring for izkHr crystal Fag CRYSTAL EFZKOIN 321 5mm tied to DCND No routing below crystals Fill ares around and inbetween RST JTAG ATMEL RET JTAG ATMEL crystals tracks with copper vias tc DCHND cT Extend abow copper at least DAF 2mm beyond crystal aras 4A WAHAR ATMEL MCL Document 39996 Revision 2 0 Page 15 of 20 John Parker 5 February 2009 Perpetuum Ltd DOMPOIERENII LESS TE jma HIGH MAT EE FLACIDO UNDER LCUL LIB Dc ST in Bed ds ane dn He EHA DIE HEP Harari HA ILL DW cnm ILF E EE E 3 rr IM Dci T H E E is PE GME E p PEGE pirmaa uM FX BAT Dy EI Pou Lic Dp V REFS FLEA Dp e XR E sa 2 XCL T TELE I co E a LL ji i Y REEN Gea ATLE T HH REL FERRI T HY Prnt az Le TEETES FERING i Em FENOME Hi H pint FE Han T Til Bias pi Lig num Dan ius TEE m FL Li uoi ns N TE E Ez ce Ree n Document 39996 Revision 2 0 Page 16 of 20 John Parker 5 February 2009 Perpetuum Ltd Please mark assembly number in silkscreen followed by a box for the issue eg 39022 ISS Please mark FCE number in copper eq 39004 ISS 1 WAHAR ELIPPLEMENTAL IN COEIMATKON Document 39996 Revision 2 0 Page 17 of 20 John Parker 5 February 2009 Perpetuum Ltd Hb JI ER LLOSE TO MS EIGE CALE BEY SPORT O d d RR oR RET JTAG ATWEL ONN TOwmy C bmm FP ZIF RA KYO
3. CERA E262 TO JTAG MSFP re Wh dd d OR Js A FR RET JTAG MSF 77 JB ind 10M FPE ZIF CONN iOwmy 0 Emm FPC ZIF RA KYOCERA 6262 WAHAR JTAG Document 39996 Revision 2 0 Page 18 of 20 John Parker 5 February 2009 Perpetuum Ltd Document 39996 Revision 2 0 Page 19 of 20 John Parker L11 Liz EBnH 7n Document 39996 Revision 2 0 DN OCA 2 AVDLDI B 5 February 2009 Page 20 of 20 Perpetuum Ltd LHE WE E HI FILTEH WLIRTH WE BPF F111 area around AF tracks with copper and ragular Flas to ground Approximately Inn spacing batwasTn aitbar sida of RF track No solder rasist on RF tracks gold plated finisn Track width from RF5 to U15 pin 3 and from Ul5 pin 6 to SHE socket J3 D 75mm Referenced to groundplana on Layer 2 Bias tracks preferably Srm or tblinrar Track width from Ul pins amp and H 0 5mm up until marr point RF50 Bafarancad to grcoundplarae on Layar 4 Cutout Layar Z groundplace under this ara Tininism ECLE HOSI HISD trace lengths
4. John Parker 5 February 2009 Perpetuum Ltd Perpetuum Ltd WSNAK User Manual Power source PMG17 100 Release Date 1 0 28 January 2009 2 0 5 February 2009 Revision table and disclaimer added Version changed to revision in footer Document 39996 Revision 2 0 Page 1 of 20 John Parker 5 February 2009 Perpetuum Ltd Table of Contents Table Jor CODE eb Sa sous davis tog a idotum tura wavelet setantaus we aed auton waa V cue E 2 Cdllbl OT soScseteissku dua dA tesa Drei v ras od tHeveu p dA bri M DIMEEFA D TA LIN DAMEN nore 3 DISClIalITIGl vissdekoboexa dena veu a s iei va bw cadit eo E d indice iaa Ao End e ead o S uo b o 3 IntroductlOFPiauecestalt wee vine a eia Ve who patiens Vua ua Ou Eia Opa vo Dreier qua uda o la ep 4 RIG CO Ce CSc odes eeu rie Dan nos qua screen Dra iut ote eed a oq pd 5 Sortware TnstalldtbtOE snsssaie idu edm i viram vd gite cosa duni ke tud sneer E Rot Pr Er DS rues 6 Berore VOUS Uae praan toa ttamanti seid ie adt cadat a asd Cd uU ts qt 6 USB Driver Installation eeeeeeeee III HH enn nn nnn 6 USB Serial Converter Installation eese n 6 USB Serial Port IMStall ation cens sek epa ioca ex a risk de a dn ard rn b da cs 8 Data Viewer Software Installation een mmm 9 Configuring the Com Port in the Perpetuum Data Viewer Software 9 Determining The Optimal Location For The wSNAK nnne 10 Accelerometer Installation 2v uev Y
5. ally Recommended Click Next to continue In the subsequent window click on the browse button and navigate to the location where you saved the drivers earlier and click OK Click Next Found New Hardware Wizard Please choose your search and installation options Search for the best driver in these locations Use the check boxes below to limit or expand the default search which includes local paths and removable media The best driver found will be installed Search removable media floppy CD ROM Include this location in the search S Data Sheets and Apps Notes USB Drive Images w Browse Don t search will choose the driver to install Choose this option to select the device driver from a list Windows does not guarantee that the driver you choose will be the best match for your hardware The drivers will now be installed click finish at the resulting window Document 39996 Revision 2 0 Page 8 of 20 John Parker 5 February 2009 Perpetuum Ltd Data Viewer Software Installation Copy the exe file from the flash drive to a local folder Double clicking this exe file will start the software Ensure the USB dongle is connected to the USB port before opening the Data Viewer Software Configuring the Com Port in the Perpetuum Data Viewer Software The Perpetuum Demonstration Software communicates with the USB receiver via a Virtual Com Port over the Universal Serial Bus USB The data viewer softwa
6. ct the device driver from a list Windows does not guarantee that the driver you choose will be the best match for your hardware The drivers will now be installed and the following window will be presented Found New Hardware Wizard Completing the Found New Hardware Wizard The wizard has finished installing the software for USB Serial Converter Click Finish to close the wizard Finish Click Finish after a few seconds the next stage will start automatically Document 39996 Revision 2 0 Page 7 of 20 John Parker 5 February 2009 Perpetuum Ltd USB Serial Port Installation The following window will appear check the No not this time box and click next Found New Hardware Wizard Welcome to the Found New Hardware Wizard Windows will search for current and updated software by looking on your computer on the hardware installation CD or on the Windows Update Web site with your permission Read our privacy policy Can Windows connect to Windows Update to search for software O Yes this time only O Yes now and every time connect a device Click Next to continue Click the Install from a list option and click next Found New Hardware Wizard This wizard helps you install software for PERPETUUM 802 15 4 RECEIVER 5 If your hardware came with an installation CD lt lt or floppy disk insert it now What do you want the wizard to do O Install the software automatic
7. de as these are required to maintain the IP rating of the device Determining The Optimal Location For The wSNAK The location of the wSNAK is determined by three key requirements e good radio performance e Optimal power generation e within 2m of the accelerometer installation point The wSNAK is equipped with an LCD power meter This power meter displays the power generated by the PMG17 vibration energy harvester in mW Using the magnetic mount attach the wSNAK to a suitable part of the motor and after a few seconds note the amount of power on the display Typical values range from 0 5mW to 10mW Try the wSNAK in several locations to determine the best power location To determine the optimal radio location visually survey the motor to determine the location that gives the best clear sight of the receiver Place the wSNAK in a location that satisfies good power generation gt 1mW has good radio characteristics and can reach the intended accelerometer location Accelerometer Installation Attach the accelerometer to the motor in the desired position and plug the accelerometer connector into the wSNAK Ensure the cable is secured and is clear of rotating parts Document 39996 Revision 2 0 Page 10 of 20 John Parker 5 February 2009 Perpetuum Ltd Operating Instructions WSNAK Display Software The wSNAK Display Software comprises of 3 panels Figure 2 Perpetuum wSNAK Display Software showing the accelerometer
8. ipment Hence users of this wireless assessment kit do so at their own risk The wSNAK sensor node assessment kit is not suitable for use in explosive atmospheres The software supplied with the wSNAK has been tested on a Windows XP system and a Windows Vista system However Perpetuum Ltd accepts no responsibility for loss of damage of data or hardware through the use of its software on third party personal computers or servers Document 39996 Revision 2 0 Page 3 of 20 John Parker 5 February 2009 Perpetuum Ltd Introduction The Perpetuum wSNAK assessment kit allows the user to appraise vibration energy harvesting in industrial wireless condition monitoring applications The kit contains everything needed to evaluate the benefits of vibration energy harvester powered wireless condition monitoring sensor nodes The wSNAK harvests waste energy in the form of vibration and converts it to electricity This electrical energy is stored in a capacitor until sufficient is available to power the data acquisition processing and transmission The data comprising of raw analogue accelerometer values temperature power generated by the PMG17 and LQI is transmitted to the USB powered receiver via a 2 4GHz 802 15 4 radio The Perpetuum wSNAK display software reads the received time domain accelerometer data from the USB port performs a FFT Fast Fourier Transform on it and displays the resultant frequency domain data The WSNAK display soft
9. o RENE RN DX rr Edu or c D ER tore 10 Operating InstF cbtloris 3 35 wor EORU bU QUE Rost x MGO tou bD ebrei deer atin 11 WSNAK Display SOEWeEG scent be seca aacethoc cedo BG Dat ROC C MARC d cu 11 REDOING INTE el css ni ataca E Sra ra Mati pter x a os b 12 Contact TATORIMAUION ess axonts os Deo ada nass da PERDRE DIIS DIA EPIPUP N IPIS DCN SI 12 Appendix sassisseosoasaoorro PORT R REZTRIRUSETQPDILSA ARRA C ERUZPISR A TARLUTNW E RTIRTfARGr PA 13 Circuit DI IeigciaR c S T S T ILLU E 13 Document 39996 Revision 2 0 Page 2 of 20 John Parker 5 February 2009 Perpetuum Ltd Caution When operating near rotating machinery keep clothing and cables away from rotating parts The supplied magnetic mounts use very strong magnets Ensure fingers are kept away from the magnet when attaching Keep the magnetic mounts away from recordable magnetic media Disclaimer The wSNAK is an Assessment kit and should only be used to evaluate the suitability of vibration energy harvester powered wireless sensor nodes for condition based machine monitoring Perpetuum Ltd accepts no responsibility for loss or damage incurred through the use of this kit or any of its parts for a purpose other than stated above The wSNAK system uses the IEEE 802 15 4 protocol in 2 4GHz radio frequency band While the system has been designed to meet various radio frequency emission regulations no approval or certification has been applied for or granted for this equ
10. ort Subsequent reporting interval minutes seconds 240 10 0mW Contact Information For more information please contact Perpetuum Ltd Enterprise Road Southampton Science Park Southampton SO16 7NS United Kingdom 44 0 2380 765 888 info perpetuum com www perpetuum com Document 39996 Revision 2 0 Page 12 of 20 John Parker 5 February 2009 Perpetuum Ltd Appendix Circuit Diagrams Document 39996 Revision 2 0 Page 13 of 20 5 February 2009 Perpetuum Ltd John Parker Bua gt paa JA DIE a u I DAFI TOTEN Hd CONI CPO Da rer En a DD mA HE Dura us ni Da m TLIETA FEETAILE GE POS BAU J FEA US ars SED Line EDOE HT E dam e EE n w TDA TA cupene D1 D and Di olors ts cnrnza ctur 32 aud minimira tr amp ck Lbmpa danrae 1 H z Lan LI 3 Document 39996 Revision 2 0 Page 14 of 20 John Parker 5 February 2009 Perpetuum Ltd G 4 a 2 1 m um F FA Daw ro duo D3V Wasp all ADCx MEE traces short D L Boe a na vlas e Hn SaaS spp S232 95 m P PERE OS T zm 0008 P5 c FIXDEVPCINTEFCI PED 2 TOUP CI PET LB E E ATBaga1281 ATE 2 W ENABLE ATMEL Lt LPP MM wih paul PC A15 _RF_ENAELE gt PCB A14 ANEN PC5 A13 Mi SR cmn Goo d Pod A12 7 mas nd Hi EPMO PCI Aa 25 SPI Csn WEP Poo gay 5 VREG E aJa sid ninimisa CLE HD3Il Sam HISO trace lengths zzz zon E DEE Applicable to crystals X1 and X4 on Layer i Keep traces to uC
11. ows Update Web site with your permission ead our privacy polic Can Windows connect to Windows Update to search for software O Yes this time only Click the Install from a list option and click next Some computers are not able to support a full USB load on all USB ports If this causes a problem change ports to one that can support a full load or use a powered USB hub Document 39996 Revision 2 0 Page 6 of 20 John Parker 5 February 2009 Perpetuum Ltd Found New Hardware Wizard This wizard helps you install software for PERPETUUM 802 15 4 RECEIVER If your hardware came with an installation CD lt lt or floppy disk insert it now What do you want the wizard to do O Install the software automatically Recommended Click Next to continue In the subsequent window click on the browse button and navigate to the location where you saved the drivers earlier and click OK Click Next Found New Hardware Wizard Please choose your search and installation options e Y Search for the best driver in these locations Use the check boxes below to limit or expand the default search which includes local paths and removable media The best driver found will be installed Search removable media floppy CD ROM Include this location in the search S Data Sheets and Apps Notes USB Drive Images w Browse Don t search will choose the driver to install Choose this option to sele
12. re will try and determine the correct Com port settings if you get the following message the following procedure will allow you to enter them manually Information i Unable to open cam port please check com port settings Click the OK button On the menu bar click tools and settings to get the following window Select the correct com port for your computer and ensure that the rest of the boxes are filled in as shown in the diagram below Click OK Settings Part Baud rate Data bits Stop bits Parity None M Flow cantral None 7 Cancel If you are not sure what is the correct com port the following procedure will help you identify it Cancel the Setup window and disconnect the receiver from the USB port Click on Tools and Settings and take a note of the com ports available Cancel the Setup window and connect the USB receiver Open the Setup window again using Tools and Settings and again take a note of the available com ports the new com port is the correct one to use Document 39996 Revision 2 0 Page 9 of 20 John Parker 5 February 2009 Perpetuum Ltd Hardware Installation The magnetic mounts are shipped with a keeper please ensure this is removed before installation Retain the keeper for future use The magnetic mounts are very strong please ensure fingers are kept away from the magnet when attaching to prevent injuries Always ensure the antenna and accelerometer are attached when used outsi
13. ware also displays a graph of the accelerometer temperature PMG17 generated power and LOT Link Quality Indicator is a metric of the quality of the 802 15 4 radio link It is best used as a relative indicator LOI varies between 0 and 255 with 255 being a better radio link Document 39996 Revision 2 0 Page 4 of 20 John Parker 5 February 2009 Perpetuum Ltd Kit Contents Figure 1 wSNAK kit contents The wSNAK assessment kit comprises Table 1 Kit Contents Document 39996 Revision 2 0 Page 5 of 20 John Parker 5 February 2009 Perpetuum Ltd Software Installation Before You Start Before plugging in the receiver or starting the Perpetuum Demonstration software it is necessary to install the USB receiver drivers The following screenshots are from Windows XP The installation process for Windows Vista is similar however different dialogue boxes will be displayed Copy and unzip the supplied driver folder and take a note of its location USB Driver Installation Please note the driver installation is in two parts be sure to install both drivers USB Serial Converter Installation Plug the USB receiver into a spare USB port The following window will appear check the No not this time box and click next Found New Hardware Wizard Welcome to the Found New Hardware Wizard Windows will search for current and updated software by ooking on your computer on the hardware installation CD or on the Wind
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