1 Synchronising Xsens Systems with Noraxon TeleMyo
Contents
1. MyoResearch software can remain the same The difference is that instead of the trigger pulse coming from the record button in the Xsens software this now comes from the manual button connected to the TeleMyo mini receiver Additionally the mini receiver should be set up as follows e Goto the hardware menu e Select the TeleMyo mini receiver from the list of icons e Select settings e Select Configure e Ensure that the wireless sync is External Pulse and Input Range is 5V e Note that a 5V pulse can cause damage to the Awinda or Sync Station For this reason a a 5V 3 3V SMD level translator is advised to prevent damage to the Station Gg Hardware Setup Hardware Device j i i i r E gt S a Ne ears 1 a wag OSSIE 140 Wyosyeters 1400 80 Hz Myosysiom 1400 z Uposys Ciao DTS Dere ywer Vyosysters 1200 Myosysern 1400 Reca ve ma 29H en 29 TO m x 4 i p ox 4 i we o ae Telemyo 24007 G2 Teuryo 2400T G2USS Teemo 24007 G2 u58 Telertyo 200 Teerye OTS Mavrecever Analog Oupa Gan Andog Ospu Delay w o O Se tater sae and delay of 1 analog cutpats wo 3 f 3 t 100s we 50500 4 i 1 ey S AUD input inoomect stings ae Ber fe prarsur qas Hardware Chasnets Preamps 6 F f USB Mir recetver siya sercr Enable iodo xj X Senge On mG Aur al F eUB Gen device a irdens patse 1 sog 1 Auxbary Channel Settiags F Une int Weedon adapter 5 d uS Estena pie aM 5002. xsens 1 Synchronising Xsens Systems with Noraxon TeleMyo The steps described below show how to make it possible for Xsens Awinda or Sync Station to send a signal Awinda Sync Station is Sync OUT and Noraxon is Sync IN and how to receive the synchronisation signal Noraxon is Sync OUT Xsens Awinda Sync Station is Sync IN 1 1 Sync hardware options on the Xsens Awinda Station Figure 1 Xsens Awinda Station showing the four BNC connections for synchronisation purposes The Xsens Awinda and Sync Stations have four BNC connectors with two Sync IN and two Sync OUT possibilities These hardware connections are shown in Figure 1 1 1 1 SynciN The Sync IN ports are for a third party device to send a signal to the Awinda or Sync Station The Awinda or Sync Station can detect polarity changes on the input lines When a trigger is detected on one of the input lines the Awinda or Sync Station can be configured to perform a specific action 1 1 2 Sync OUT Sync OUT enables the Xsens system to send a trigger pulse via the Awinda or Sync Station to third party hardware As with Sync IN a combination of events are possible based on a number of parameters 1 1 3 Pulse Polarity A trigger may be a rising or falling edge as illustrated in Figure 2 below Trigger Trigger BS E b ov Figure 2 Polarity Rising falling edge Sync IN or positive negative pulse Sync OUT OV Xsens Technologies B V 1
3. that if the signal received by the Xsens Sync or Awinda Station is 5V a 5V 3 3V SMD level translator is advised to prevent damage to the Station Set up the hardware of the Noraxon system as follows e USB port of TeleMyo mini receiver to USB of PC e Connect jack connector to Sync OUT port of TeleMyo mini receiver to BNC connection Sync IN 1 of Awinda Station e Manual trigger pulse jack connector to Sync IN port of TeleMyo mini receiver e Connect the external antenna to the TeleMyo DTS e When successfully connected and switched on the TeleMyo DTS will display WiFi ready 3 2 Software Setup Xsens Initialize the synchronization setting of the Xsens software use the following settings Select Start Recording Select Stop Recording Select In 1 Select In 1 Polarity Rising Edge Polarity Rising Edge Delay O us Delay O us Skip Factor 1 Skip Factor 1 Skip First O Skip First 1 Trigger Once Uncheck Trigger Once Uncheck Continue with setting up the Xsens system Xsens Technologies B V 6 xsens e To initialise recording click the Record button The normal red dot icon will change to a pause symbol indicating that the software is i Figure 8 Record button a before clicking b after clicking with sync in activated waiting for an external pulse a 3 3 Software Setup Noraxon MyoResearch Software Based on the output settings described for Xsens software the settings for Noraxon
4. xsens 1 2 Sync Hardware Options on Noraxon Telemyo DTS Figure 3 Noraxon Telemyo DTS The TeleMyo 2400T Direct Transmission System DTS directly transmits data from the electrode or sensor site to a belt worn receiver Figure 4 Noraxon Telemyo Mini Receiver The TeleMyo 2400R G2 Mini Receiver is an optional accessory item for the portable TeleMyo 2400T G2 Transmitter System It is TTL compatible facilitating sync inputs and outputs For more detailed information see the TeleoMyo user manual Xsens Technologies B V 2 xsens 2 Sync OUT Awinda Station is Sync Master 2 1 Hardware Requirements Noraxon Hardware Xsens Hardware e Wireless EMG transmitters e MVN BIOMECH or MTw Development Kit e 1TeleMyo DTS plus antenna Awinda Station or Sync Station Both systems need cables to connect to each other with BNC connectors at each end and a USB cable to connect to the PC 2 1 1 Hardware Connections e In addition to the normal MTw hardware setup connect the BNC connector from the TeleMyo DTS to Sync OUT 1 on the Awinda Station e Connect the USB connection between the TeleMyo DTS and the PC e When switched on the DTS will display USB ready 2 2 Software Setup Xsens Initialize the synchronization setting of the Xsens software use the following settings Sync OUT Select Start Recording Select Stop Recording Select Out 1 Select Out 1 Polarity Rising Edge Polarity Rising Edge Sk
5. ini receiver e Input e g 0 5V e Longer than 5ms e Repeat settings for Stop Recording e Navigate further through the software The Noraxon software initialises the EMG signals Xsens Technologies B V 4 fg MyoResearch XP Master Edition 108 06 Master Mode Measurement Monitor Lo le S Project Demo Subject Demo Samples 0 0s ee O Figure 6 Noraxon system ready to begin recording When this screen is reached click record on the bottom left hand side of the screen on the Noraxon software Tods t Scata fe Specs Calibrating EE Cc E Figure 7 Following Record command system calibrates and waits for trigger input Xsens Technologies B V 5 xsens For the Xsens system to receive synchronisation commands from Noraxon TeleMyo the 3 Sync IN Awinda or Sync Station TeleMyo mini receive is needed 3 1 1 Hardware requirements Noraxon Hardware Xsens Hardware e Wireless EMG transmitters e MVN BIOMECH or MTw Development Kit e 1TeleMyo DTS plus antenna e Awinda Station or Sync Station e 1TeleMyo mini receiver plus antenna For this set up a BNC connector is required at the Xsens end and a Jack connector at the Noraxon end An easy solution is to use a cable with two BNC coax connectors at each end and a BNC to Jack convertor for connecting the BNC to the Noraxon hardware USB cables are required to connect each system to the PC Note
6. ip factor 0 Skip factor 0 Skip first 0 Skip first 0 Offset 0 us Offset 0 us Pulse width 10000 us Pulse width 10000 us Trigger Once Uncheck Trigger Once Uncheck Continue with setting up the Xsens system 2 3 Software Setup Noraxon MyoResearch Software The example given below is for is gait analysis measuring the medial gastrocnemius tibialis anterior semitendinosus and the rectus femoris For an 8 Channel EMG system Channel 9 is selected as the synchronisation line in the Noraxon MyoResearch Software If a 16 channel system is in use this is the 17th channel Xsens Technologies B V 3 xsens Return to the main menu under gt Measuring Options go to gt Recording Options then gt Triggering tab MyeResearch XP Master Edition 106 06 Master Mode Measurement Setup Project Demo gj O New Organize Subject Demo Samples New MED GASTRO TH ANT RECTUS Feu SEVETEND Continuous recording of EMC data Basic Semngs Metronome Tiggering Start recotans id wher channel Syne gj Rises aoe xj 05 Longer than 5 ms Pause Before Restarting C Step recorang z4 Amea hanesi Sere gj Ries sco xj 05 Longer Man 5 ms EN Database Figure 5 Noraxon Recording Options screenshot e Check the check box beside Start Recording e Goto the drop down menu beside When Channel select Sync e Select Rises Above ensure that this is also the direction indicated on the m
7. j Jm s Min Volt Mar Vor Mn Valve Max Valve Unite ne ct ron Range Si aml s r 2 Ai ami a ol wo Lpa EN sf r ad 13 K 2 000 500 0 0 deg PE i 10 6 9 000 500 9 80 deg Tags werce Hole check teoaieere 7k x 000 864000 0 10G Ure gron on dgtai charrel were matanga ky comect voltage a aan ne K dais 29 wat w0 000 0 2 Eaa Lokas f t vy Pi ce 0 00 00 0 6G Z 10 000 5 000 180 180 deg Conbguse eddibanal drace SB recerver uk ge oo 10000 0 168 deg Cortos O Cancel 12 a ar awo 5000 0 64 Nm poswa a ha 0 000 5000 0 512 degisec i 100 Bodea velocity ua cX e000 5000 0 2000 ok _ cas _ ign io B cY 000 5000 0 5000 v nur tey rdo 16 a cz 090 5000 0 5000 1 Manual 1000 ve nge 090 8 309 0 505 deg 1Manual E 1000 Cyoex Norm Ange 1a Torque 9000 10009 9 679 Nm 1Manusi E7 309 CySex Norm Torque 98 eno Cy 000 000 0 500 degtec IiManua E 1000 Cyeex Norm hay 0 a Trea Ange 0 000 000 0 S000 deg 1 Manual E 1000 Cal Data need to de entered nR Trea Torque 0 00 00 0 5000 Nm Manual 1000 Cal Dat dk emere 2m tad 090 w 0 00 Ovo 1 Manusl nk ranae 000 w me 1 Manual amp ue Demo Contact 0 000 000 0 0wa 1 Manual E 23 0 Demo Force 9 090 009 0 000 N Manual 26 Demo Goni 9 090 09 Deg Thanusi 6 ak r Torte ion S Ti Nom Manual f x 8 a Ie X Ose J 29 m Cancel Figure 9 Configuration of TeleMyo mini receiver in Noraxon MyoResearch software The rest of the software setup is the same as described above However ins
8. tead of clicking Record in Xsens software one should click the hardware trigger supplied by Noraxon to generate a manual trigger to both systems Xsens Technologies B V 7
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