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G-Link® User Manual

1. 531 Stop Monitoring Remove Stop All Monitoring Remove All Nodes lt a Additional Notes e In the case of multiple nodes Low Duty Cycle is not expected to and will not deliver every data sample that is transmitted Contention occurs and the more nodes you add and the higher sampling rates that you apply add to the overall loss of packets A time stamp based on host time writes out with each row of data in files saved from sessions 1 Hz or slower 69 MicroStrain Inc Appendix 5 High Speed Streaming with High Speed Streaming software High Speed Streaming High Speed Streaming allows you to sample each sensor each channel on a node at rates as high as 4000 samples per channel per second Sensor data is transmitted to the base station as it is sampled in real time and is collected displayed and saved by the High Speed Streaming software Please review the Sampling Rates section of this manual for sampling rate details Operating one node in high speed streaming mode Please refer to the High Speed Streaming Quick Start Guide which is contained on the Agile Link CD and on our web site 70
2. c T 50 lA Dm 51 30 DAY RETURN POLICY c0cscsesesesesesesssesesesesesesesesesescsesesesesesesesesesesesesesessseseseseseseseeeseeeseseseseeeeseeeees 52 TERMS AND CONDITIONS ai cscssccissessssessncssscsdsccssessessscdeccccesssaessscsdsosstecsossssssasssesecsssteecssevecsesoesssossdeseesess 53 APPENDIX 1 HOST TO BASE STATION COMMUNICATION ccccccssssssssssssscesssscccssscccsssssecess 59 52232 RR E E 59 USB 2 0 tI EE QVE UN Ie te 59 APPENDIX 2 DATALOGGING WITH AGILE LINK SOFTWARE ee ee eee eee ee eee en oen 60 APPENDIX 3 STREAMING WITH AGILE LINK SOFTWARE ee eee eee 62 APPENDIX 4 LOW DUTY CYCLE WITH AGILE LINK SOFTWARE ee eee eee eren nonn 64 APPENDIX 5 HIGH SPEED STREAMING WITH HIGH SPEED STREAMING SOFTWARE 70 MicroStrain Inc Welcome Welcome to MicroStrain We make tiny sensors that are used in a wide range of applications including knee implants civil structures advanced manufacturing unmanned military vehicles and automobile engines Our sensors have won numerous awards and we pride ourselves on being both innovative and responsive to our customer s unique requirements MicroStrain is based in Williston Vermont and is a privately held corporati
3. Move your mouse pointer within the black area of the Real time Graph Right click and a pop up menu will appear Click Save Stream A Save As dialog box appears Accept or modify the File Name for the CSV file that will be saved Click Save The dialog box will disappear This indicates that the streaming data was successfully saved to file on your PC 62 MicroStrain Inc Operating up to 4 nodes in streaming mode broadcast method Establish communication with up to 4 nodes each paired with a separate base station and each pair on a different frequency Configure each node individually for a streaming session as described in the Operating one node in streaming mode section above Normally all nodes would be set to the same sweep rate channel actions etc for any given session but there is no requirement to do this Hold down the SHIFT key and click each node once to highlight it Release the SHIFT key Make sure that only nodes are highlighted not base stations Right click on any of the highlighted nodes and a drop down menu appears Click Stream and the nodes will begin streaming data to separate graphs When the streaming ends move your mouse pointer within the black area of each Real time Graph Right click and a pop up menu will appear Click Save Stream A Save As dialog box appears Accept or modify the File Name for the CSV file that will be saved Click Save The dialog box will disappear This indicates that the stre
4. The Analog base station employs a 2 4 GHz radio with 16 selectable channels to communicate with the remote nodes The Analog base station is connected to a host computer via a USB or an RS 232 connection and is operated with MicroStrain s Agile Link software The Analog base station under instruction from the software wirelessly communicates with the Agile Link nodes alternately sending commands and configurations and receiving responses and data The Analog base station sends all of the commands available to the nodes including ping datalog stream data erase read and write EEPROM etc The 17 MicroStrain Inc Analog base station in turn receives acknowledging responses from the nodes and passes datalogging downloads streaming data high speed streaming data and low duty cycle data to the host computer The Analog base station is capable of maintaining communications with multiple nodes Its broadcast mode allows the simultaneous issuance of several commands to multiple nodes The Analog base station also features direct analog output of wireless node data on its back panel and is deployable in a stand alone condition without need of host computer Serial Base Station The MicroStrain Serial base station is a transceiver which provides a communication link between a host computer and the Agile 85232 Baso ais Link family of wireless nodes including V Link SG Link G Link and TC Link The Serial base sta
5. Example 3 We set the G Link with channels 1 2 and 3 active with a sampling rate of 1 024 samples per channel per second with continuous datalogging enabled and memory fully erased This session will produce 1 024 samples per second x 3 channels 3 072 data points per second This session will last 1 081 212 data points 3 072 data points per second 352 seconds until the datalogging memory is full and the datalogging is automatically ended 37 MicroStrain Inc Factory Calibration The G Link is calibrated at the factory using the following method The G Link is attached to a rotary stage so that the centerline of the axis is in line with the centerline of the particular G Link axis The G Link is rotated slowly over 30 seconds using the G Link Calibration Wizard contained in Agile Link software to capture the minimum and maximum output bits of the accelerometer The minimum and maximum accelerometer bits are averaged A GAIN is calculated using the formula o Gain Average Maximum Bits Average Minimum Bits 2 An OFFSET is calculated using the formula o Offset Average Maximum Bits Average Minimum Bits 2 This Gain and Offset is written to the non volatile EEPROM of the G Link This process is repeated for each of the three accelerometers X Y and Z In operation the Agile Link reads the EEPROM of the particular G Link and uses these calibration coefficients to produce scaled engineering
6. G LINK 10G 2400 SK2 G LINK IP65 ENCL Description G LINK 2G 2400 M G LINK wireless triaxial accelerometer node with 2 g range Operates on 2 4 GHz direct sequence spread spectrum IEEE 802 15 4 radio G LINK 2G 2400 SKA G LINK starter kit includes one G LINK wireless triaxial accelerometer node with 2 g range one analog digital output base station with power supply charger and Agile Link software Operates on 2 4 GHz direct sequence spread spectrum TEEE 802 15 4 radio G LINK 2G 2400 SK1 G LINK starter kit includes one G LINK wireless triaxial accelerometer nodes with 2 g range one USB base station charger and Agile Link software Operates on 2 4 GHz direct sequence spread spectrum 802 15 4 radio G LINK 2G 2400 SK2 G LINK starter kit includes two G LINK wireless triaxial accelerometer nodes with 2 g range one USB base station charger and Agile Link software Operates on 2 4 GHz direct sequence spread spectrum IEEE 802 15 4 radio G LINK 10G 2400 M G LINK wireless triaxial accelerometer node with 10 g range Operates on 2 4 GHz direct sequence spread spectrum IEEE 802 15 4 radio G LINK 10G 2400 SKA G LINK starter kit includes one G LINK wireless triaxial accelerometer node with 10 g range one analog digital output base station with power supply charger and Agile Link software Operates on 2 4 GHz direct sequence spread spectrum TEEE 802 15 4 radio G LINK 10G 2400 SK1 G LINK starter kit inclu
7. TC Link Quick Start Guide covers Node Monitor TC Link TC Link User Manual TC Link Base Station User Manual Table 2 MicroStrain Inc Overview The G Link is a wireless accelerometer node and is a specialized member of MicroStrain s Agile Link wireless data acquisition system The Agile Link system comprises 3 main components 1 wireless sensor nodes which acquire and transmit strain voltage temperature acceleration and or other sensor data 2 base stations which receive and pass the data to a host and 3 software which operates the system The G Link contains two orthogonally mounted dual axis MEMS accelerometers for measuring acceleration X Y and Z axes The G Link comes either G Link Dt with all 2G rated or all 10G rated accelerometers The G MicroStrain Link also has an on board temperature sensor The G Link employs a 12 bit A D converter to digitize the accelerometer voltage The accelerometer digital data is passed to the on board microprocessor processed with the embedded algorithm and in turn either passed to its radio for immediate transmission or saved to the 2MB on board flash memory for later download Host computer software displays the data provides analysis tools records the data to file and allows the user to configure and actuate the system The G Link may also be used with MicroStrain s Analog base station for stand alone appli
8. dete toi ab eet iita div beste aet uie toe GP eee o ere uen 29 STANDARD ENCLOSURE oe ei fenus eo eoe o ee erai dosed re a aera e epp oe ek 30 OPTIONAL ENCLOSURES visscssscsissssecsessscshsecnssessuvesscesscansecseseossbnssssecseceosseseessdessassobebioossbecsesesseesssbesensess 31 HIGH G OPTIQON 33 OPERATING TEMPERA TU RE EP e ea 34 SAMPLING RATES irie Reir o traso eV So er sees 0S Do 35 MicroStrain Inc REA aR 35 STREAMING E ESE ire EE ener 35 LOW DUTY CYGLEE A5 eee tit ee E e Hee see HEN e be Se Pee HN 35 HIGH SPEED STREAMING cccccececececevecevevevevevevevevevsvevevevevevecececscevevecscevecececececececevececececececevecevevevevevevevecs 36 DATA LOGGING MEMORY 37 FACTORY CALIBRATION fo eoo fet eaa 38 GENERAL SPECIFICATIONS feo o eia oneri a naar a ae Va peo ae FS eere Uo Flo e ep abe eig 39 MECHANICAL DRAWINGS ebbe eo ee oae eon ae aee 41 ENCEOSURE DIMENSIONS verserien o eot ed eco dec ee vd ec ede d ee d ees 41 CIRCUIT BOARD ASSEMBLY DIMENSIONS ccccccecececececececececececececececece
9. e Channel 2 Y axis e Channel 3 Z axis Figure 12 Calibration Axes e Channel X axis e Channel 2 Y axis e Channel 3 Z axis Figure 13 43 System Block Diagram Accelerometer X Accelerometer Y Accelerometer Z EEPROM Sensor Cal Filter Parameters 16 Bit ID Microprocessor with Embedded Software Algorithms E Anti aliasing Filter 2 MBytes Flash Memory i 12 Bit A D l MicroStrain Inc Serial SPI Temperature Sensor 0 3 volts or 0 5 volts to 2 4 GHz RF Transceiver EI Analog Base Station 1 USB RS 232 Host for Programming 2 4 GHz RF Transceiver Display amp USB USB Base Station Data Acquisition 2 4 GHz RF Transceiver RS 232 Serial Base Station Figure 14 2 4 GHz RF Transceiver 44 MicroStrain Inc FCC United States Certification The G Link complies with Part 15 of the FCC rules and regulations Compliance with the labeling requirements FCC notices and antenna usage guidelines is required In order to operate under MicroStrain s FCC Certification OEMs integrators must comply with the following regulations Labeling Requirements The G Link is labeled with its FCC ID number XJQMSLINKOOO1 If this FCC ID is not visible when the module is installed inside another
10. UNS POR Ee EXE Ea ve e b er INS RUE ne o e vun 19 CONVERSION TO PHYSICAE etos ee esee ee eae UE SR 19 LOW PASS FILTER ANTI ALIASING FILTER enne 19 TEMPERATURE SENSOR 20 GENERALE INFORMATION ee fics reset 20 CONVERSION TO PHYSICAE UNITS 20 LEDS HI 21 CHARGE POWER GOOD LED sese 21 CHARGING EBD nh ederet ede ed ete cede bee deci 21 CHARGE COMPEETELBD etre eee decode eee ve eee dece dee ve eee Rer ee eee 21 DEVICE STATUS LED sire ete R UNE NES ov ivsvedevavevss 22 RADIO AND ANTENNA 23 NODE EH OC os 24 SAMPLE DURATION CALCULATIONS ecce eee 25 TIMES EAMPINGS astutia totum ea UU EE DIM EOS 26 POWER 27 ON OFES WITCH reete t aee exea ete o ae ext ete iet eae 27 INTERNAE BATTERY eee Be fades reet Bee eus bacon bas Bee Abas eae eue oe eue os 27 BYPASSING THE INTERNAL BATTERY ccccececesecececececececececececececececececececececececececececececececececececececesecececevecs 28 POWER PROFILE
11. acknowledges and recognizes that Buyer shall be wholly responsible for compliance with any laws rules and regulations pertaining to the use of any Product s which is incorporated into a Buyer product should such governmental approval be required for research testing or commercial use 7 Software License The following terms and conditions are applicable to either MicroStrain software delivered with a Product the software portion of the Product Software or software which is embedded in a Product Embedded Software MicroStrain grants to Buyer a non exclusive paid up license to use one copy of the Software on one computer subject to the following provisions Except as otherwise provided in this Software License applicable copyright laws shall apply to the Software and Embedded Software Title to the medium on which the Software is recorded or stored is transferred to Buyer but not title to the Software or the Embedded Software Buyer may use Software on a multi user or network system only if either the Software is expressly labeled to be for use on a multi user or network system or one copy of the Software is purchased for each node or terminal on which Software is to be used simultaneously Buyer shall not use make manufacture or reproduce copies of Software or Embedded Software Buyer may use a copy of the Software on one computer and is permitted to make additional copies of the Software only for backup or archival purposes Cu
12. and MicroStrain shall not be liable for delays in delivery 5 Acceptance amp Returns Shipments shall be deemed to have been accepted by the buyer upon receipt of shipment Any discrepancy in shipment quantity must be reported within five 5 days of receipt of shipment Buyer may return starter kits or evaluation units for any reason within thirty 30 days of the date of shipping from MicroStrain other returns shall be subject to a restocking fee of the greater of twenty five 2590 percent of the invoiced amount of the returned products or one hundred 100 00 dollars To qualify for credit or refund excluding shipping duties or taxes Buyer must contact MicroStrain in writing for a Return Merchandise Authorization RMA Product returns shall comply with MicroStrain s Return Merchandise Authorization RMA policies Custom Products and modifications of standard Products are not eligible 53 MicroStrain Inc for return returns must be shipped by Buyer to MicroStrain C I F our distribution center as provided in the RMA policies provided by MicroStrain 6 Compliance with Laws Rules amp Regulations i Products sold may be exported from the United States of America only in accordance with US Export Administration Regulations and diversion contrary to US law is prohibited Buyer acknowledges that it is eligible to receive Products under US law and agrees to abide by all export or re export restrictions 11 Buyer
13. channel Leave the Offset scroll boxes for channels 1 2 and 3 at the default value of 512 mid scale Click Apply Click the Datalogging tab Uncheck box for Continuous Datalogging Uncheck box for Enable Sensor Event Driven Trigger Enter the value 1000 into the Sweeps scroll box Enter the value 256Hz in the Sample Rate drop down Note that a datalogging session of approximately 3 9 seconds has been set Click Apply Click OK Click View in the menu bar Click Channel Actions The Channel Actions windows will appear Click the Resync button Channels 1 2 and 3 will now have the G Link Calibrator in place indicating that the G Link will output engineering units in G s Click the small red X in the upper right corner of the Channel Actions window to close the window Right click on the node icon label and a pop up menu will appear Click Datalogging Click Erase A confirming message box will appear Click Yes A progress bar will appear and disappear This indicates that the datalogging memory of the node was successfully erased Right click on the node icon label and a pop up menu will appear Click Datalogging Click Trigger Session A progress bar will appear and disappear This indicates that a datalogging session was successfully triggered Right click on the node icon label and a pop up menu will appear Click Datalogging Click Download A progress bar will appear and disappear This indicates that all datalogging sessions were s
14. device then the outside of the device into which the module is installed must also display the following label referring to the enclosed module Contains FCC ID XJQMSLINK0001 This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Re orient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect equipment and receiver to outlets on different circuits or Consult the dealer or an experienced radio TV technician
15. fonctionnement 47 MicroStrain Inc Software Standard Offering All V Link SG Link and G Link starter kits are shipped with a CD containing Agile Link software and High Speed Streaming software These two softwares support all capabilities of the V Link amp SG Link and G Link including datalogging streaming low duty cycle high speed streaming configuration data download data file saving real time sensor display and other features System Requirements To use the Agile Link software or High Speed Streaming software your computer must have the following minimum specifications GHz CPU Microsoft amp Windows XP Professional SP2 operating system CD ROM drive Video resolution 800 X 600 32MB video card Minimum of 256MB of memory Minimum of 50MB of free hard disk space for application Microsoft amp compatible mouse Software Installation e Place the Agile Link CD in your CD ROM drive and follow the on screen instructions to install MicroStrain s Agile Link software o This installation places the Agile Link software on your PC as well as required base station drivers See Appendix 2 for more details o Agile Link is designed for use with 2 4 GHz V Link SG Link and G Link e The High Speed Streaming software is designed for use with the 2 4 GHz V Link SG Link and G Link o If you intend to use High Speed Streaming install the software from CD menu o Refer to the
16. the node The data is not transmitted to the base station and software during datalogging Datalogging can either be finite have a user defined start and end time or continuous continue until all datalogging memory 15 consumed Download Download is the node action whereby the node transmits all of its datalogging data to the base station and software for file saving Erase A command transmitted to the node to erase all datalogging sessions Finite A term used to describe a sampling session datalogging streaming LDC HSS where the time length of the session is defined e High Speed Streaming High Speed Streaming HSS is a node action whereby all active channels and the sensors attached to them are sampled and the data acquired is transmitted to the base station and software The data is not written to non volatile memory during HSS HSS can either be finite have a user defined start and end time or continuous continue until the power is cycled on the node It differs from Streaming in that it offers faster data rates Low Duty Cycle Low Duty Cycle LDC is a node action whereby all active channels and the sensors attached to them are sampled and the data acquired is blipped to the base station and software The data is not written to non volatile 11 MicroStrain Inc memory during LDC LDC can either be finite have a user defined start and end time or continuous continue until the power is cycled on the no
17. to sampling methods It normally is configured to support up to 8 channels of data from a single node However it may be configured to support up to 8 nodes that is to say it may be configured to handle one channel of data from up to 8 individual G Link s Please refer to the Agile Link Base Station manual which is contained on the Agile Link CD and on our web site for detailed instructions on its use with G Link The G Link has an additional datalogging feature which we describe as Sensor Event Driven Trigger In SEDT the G Link may be configured to commence datalogging automatically each time a ceiling or floor sensor output is met For example you may set the G Link so that a datalogging session is triggered whenever channel 3 the Z axis accelerometer exceeds goes through the ceiling of 1G The session will begin automatically run its finite duration and stop With the next 1G ceiling event the G Link amp would again run a datalogging session automatically without manual intervention 15 MicroStrain Inc When the G LinkQ is not sampling it can be in one of two states Sleep or idle In Sleep mode the G LinkG on a settable interval by default 5 seconds momentarily awakens and listens for any commands If a command is heard it wakes and responds to the command if no command is heard it goes back to sleep This sleep function is used to conserve battery power In idle mode the G Link is
18. 0 Communication between the USB base station or the USB interface of the Analog base station and the host computer is via a USB 2 0 compliant connection using a Silicon Laboratories CP2101 USB to UART Bridge chip on the base station supported by Silicon Laboratories Virtual Communications Port VCP drivers installed on the host Reference is made to the following Silicon Laboratories documents CP2101 Single Chip USB to UART Bridge Product Brief CP2101 Data Sheet 59 MicroStrain Inc Appendix 2 Datalogging with Agile Link software Datalogging Datalogging allows you to sample each sensor each channel on a node from 32 samples per channel per second to 2048 samples per channel per second Sensor data is written to memory on the node as it is sampled no transmission occurs to the base station After the datalogging session has completed data is downloaded and saved to file by Agile Link M software Analysis is conducted thereafter on the resulting data files Please review the Sampling Rates section of this manual for sampling rate details Operating one node in datalogging mode A datalogging session should be started by setting your configuration Establish communication with the node and right click to get the drop down menu Click Configure The Configuration window will appear Click the Channels tab Check boxes to enable G Link s channels 1 2 and 3 Uncheck the channel 4 box to disable the temperature
19. 16 21 seconds As before 10000 sampling duration divided by 617 sample rate 16 21 seconds A low duty cycle example We set the number of active channels to 3 We set the sample rate to 1 We set the sampling duration to 100 100 is the minimum setting in Agile Link software We start the session We save the session We find that we have 100 rows of data with each row containing 3 channels of sensor data We see that the session lasted 100 seconds As before 100 sampling duration divided by 1 sample rate 100 seconds A high speed streaming example We set the number of active channels to 4 We can t set the sample rate because that is fixed in hardware and we know it will be 1000 We set the sampling duration to 10000 We start the session We save the session We find that we have 10000 rows of data with each row containing 4 channels of sensor data We see that the session lasted 10 seconds As before 10000 sampling duration divided by 1000 sample rate 10 seconds 25 Time Stamping The G Link node and Agile Link software handle time stamping of datalogging streaming low duty cycle and high speed streaming data in different ways The table below describes the various methods MicroStrain Inc Sampling Time Stamp Source Clock Stability Method Datalogging Omitted to Node Crystal 25ppm maximize data rate Streaming Omitted to Node Crystal 25ppm maximize
20. 56000 Node 259 2000 amp 0T 1 1 1 1 T 1 1 531 0 10 20 30 40 50 60 70 80 90 100 110 Timer Ticks 245 Monitoring 293000 22000 1000 2 0 E 1 1 1 1 1 1 1 1 1 1 1 1 0 10 20 30 40 50 60 70 80 90 100 110 Timer Ticks Node 259 Monitoring 5 1 20 1 1 1 1 1 1 0 10 20 30 40 50 60 70 80 90 100 110 Timer Ticks Mode 362 Monitoring 3 22060 552040 amp 1 1 1 1 1 0 10 20 30 40 50 60 70 80 90 100 m Timer Ticks 68 MicroStrain Inc Return to the Data View right click any of the nodes and the menu appears You can deal with individual nodes as before to Stop Monitoring and or to Save Stream You may also click Stop Monitoring to stop sampling all the nodes at once To return to normal operations all nodes must be stopped e Note The Monitor For Any Node checkbox can be utilized to collect all nodes transmitting LDC or to limit collection to only those nodes selected Likewise the Remove Node or Remove Nodes menu items can be used to throttle collection Toclose the Data Collector window click its upper right hand X AER Tine Graph M Data Colector P UU Data View C Monitor for any node Node Channel 1 Channel 2 Channel 3 Channel 4 Channel 5 Channel 6 Chanr Node 161 4 99445 us 4094 bits 4094 bits 4094 bits Node 245 2046 bits 0 022692 Node 259 3 11516 ps 0 024888 Node 362 5 71589 us 4 8032 us 1 27637 us 3 50087 us
21. 877 2CADXL210 2C00 html e Triaxial accelerometer output is presented on G Link channels 1 2 and 3 being X Y and Z for orientation purposes Figure 2 Conversion to Physical Units The G Link is shipped with factory calibration coefficients residing in non volatile for converting the raw A D converter data bits to g s Each accelerometer is calibrated by rotation through Earth s gravity field providing a 1g and 1g 2 points reference In Agile Link software these may be used by employing the Channel Actions function Low Pass Filter Anti aliasing Filter As shown in the System Block Diagram elsewhere in this manual the G Link uses a 0 022 uF capacitor for the low pass filter on the output of the ADXL202 ADXL 210 accelerometers This translates to a 3dB down point at approximately 250 Hz 19 MicroStrain Inc Temperature Sensor General Information The G Link has an on board solid state temperature sensor mounted on the surface of the circuit board e Specifications for this National Semiconductor Model LM60 sensor may be found at http www national com mpf LM LM60 html e The temperature sensor output is presented on channel 4 of the G Link The temperature sensor has a measurement range of 25 C to 70 C range typical accuracy 0 5 C 25 Conversion to Physical Units The G Link temperature sensor outputs 6 25 mV C The Agile Link software uses and any ot
22. High Speed Streaming Quick Start Guide for specialized details e A Quick Start Guide for your particular wireless node 2 4 GHz V Link SG Link or G Link is provided on the CD to get you up and running Data Communications Protocol Customers and or developers wishing to customize the Agile Link family of wireless nodes and base stations are provided with the Agile Link 2 4 GHz Software Development Kit SDK The Agile Link 2 4 GHz Software Development Kit SDK is designed for use with the 2 4 GHz V Link SG Link G Link USB Base Station 48 MicroStrain Inc Serial Base Station and Analog Base Station The SDK provides a complete Data Communications Protocol manual as well as code samples for VB and LabVIEW The SDK is designed to provide the application builder with all the necessary protocol commands and responses to build robust wireless sensor applications for the Agile Link wireless sensor network The Data Communications Protocol manual details these commands Ping base station Read base station EEPROM Write base station EEPROM Short ping Read node EEPROM Write node EEPROM Download page Erase session data Trigger datalogging session Initiate real time streaming Initiate sleep mode Read single sensor Auto balance channel Long ping Initiate low duty cycle Initiate high speed streaming Stop node more Sample applications demonstrating most protocol commands are provi
23. Link PowerProfile node FW 4 98 pdf 29 MicroStrain Inc Standard Enclosure The G Link standard enclosure is flame retardant ABS plastic It is a 2 part assembly with base and removable cover It is custom manufactured for MicroStrain Please see the Mechanical Drawings section of this manual for dimensions CER S RC PEL Lr n mass ed priced MicroStrain e Figure 6 30 MicroStrain Inc Optional Enclosures The G Link is optionally available installed within IP65 NEMA 4 enclosures which provide environmental protection and or larger battery capacity IP65 standard Provides for 1 protection against a wire touching dangerous parts and 2 sealed against dust NEMA 4 standard Computer enclosures constructed for either indoor or outdoor use to provide a degree of protection to personnel against incidental contact with the enclosed equipment to provide a degree of protection against falling dirt rain sleet snow windblown dust splashing water and hose directed water and that will be undamaged by the external formation of ice on the enclosure G LINK IP65 ENCL Description IP65 NEMA4 rated high strength fiberglass enclosure with 9V battery clip BLE GLANDS 2 FOR 12 TO 26 DIA CABLE Figure 7 3l MicroStrain Inc G LINK IP65 XL ENCL Description IP65 NEMAA rated high strength fiberglass enclosure with non rechargeable 3 6V Lithium D cell battery PCB BOA
24. RD LINK AND D CELL MOUNTING PLATE CABLE GLANDS 2 FOR 12 TO 26 DIA CABLE D CELL 3 6V IP65 FIBERGLASS ENCLOSURE 6 30 X 2 94 X 2 18 WITH COVER Figure 8 G LINK IP65 XXL ENCL Description IP65 NEMAA rated high strength fiberglass enclosure with 3 parallel non rechargeable 3 6V Lithium D cell batteries MOUNTING PLATE 3 D CELLS 3 6V EACH ABLE GLANDS 2 FOR 12 TO 26 DIA CABLE IP65 POLYCARBONATE ENCLOSURE 6 73 X 4 76 X 2 17 WITH COVER Figure 9 32 MicroStrain Inc High G Option The G Link may be optionally purchased with provisions made to withstand higher forces These provisions will allow the G LinkQ to operate in excess of 550 g These provisions can include any or all of the following Thecavity of the standard enclosure is filled with an epoxy adhesive The epoxy fills all voids between the enclosure and the circuit board assembly The epoxy provides outstanding thermal shock impact and vibration resistance The radio and microprocessor crystals are replaced with higher rated crystals e The external mast antenna and its mount are replaced with an internal circuit board type antenna No antenna extends from the enclosure 33 MicroStrain Inc Operating Temperature The G Link with its standard internal battery and standard enclosure will operate between 20 C and 60 C The battery and enclosure limit this range The G Link electroni
25. Repair MicroStrain s sole obligation shall be to repair or replace the defective Product during the applicable Warranty Period at no charge to the original owner or to refund at MicroStrain s sole discretion Such repair or replacement will be rendered by MicroStrain The replacement Product need not be new or have an identical make model or part MicroStrain may in its sole discretion replace the defective Product or any part thereof with any reconditioned Product or similar Product that MicroStrain reasonably determines is substantially equivalent or superior in all material respects to the defective Product Repaired or replacement Products will be warranted for the remainder of the original applicable Warranty Period from the date of original purchase If a material defect is incapable of correction or if MicroStrain determines in its sole discretion that it is not practical to repair or replace the defective Product the price paid by the original purchaser for the defective Product will be refunded by MicroStrain upon return to MicroStrain of the defective Product Products or parts thereof that is replaced by MicroStrain or for which the purchase price is refunded shall become the property of MicroStrain upon replacement or refund 12 Non Applicability of Warranty The Limited Warranty provided hereunder for Products will not be applied to and does not cover any refurbished product and any Product purchased through an inventory c
26. TECT OR PREVENT OCCURRENCES OR THE CONSEQUENCES THEREFROM WHICH THE PRODUCTS ARE DESIGNED TO DETECT OR AVERT OR THAT THE PRODUCTS MAY NOT BE COMPROMISED DISABLED OR CIRCUMVENTED ii THAT MICROSTRAIN HAS MADE NO CONTRARY REPRESENTATIONS OR WARRANTIES OF ANY KIND EXPRESS OR IMPLIED TO OR FOR THE BENEFIT OF CUSTOMER and iii THAT ANY NUMBER OF CAUSES MAY CAUSE A FALSE ALARM OR FALSE READING FROM MICROSTRAIN S PRODUCTS AND THAT MICROSTRAIN DOES NOT WARRANT AGAINST SUCH FALSE RESULTS BUYER REPRESENTS WARRANTS AND INDEMNIFIES MICROSTRAIN FOR ANY AND ALL LIABILITY PERTAINNG TO THE USE OF PRODUCTS INCORPORATED INTO OR OTHERWISE USED IN A BUYER PRODUCT 9 Limited Software Warranty MicroStrain warrants that the software portion of the Product Software where applicable will substantially conform to MicroStrain s then current functional specifications for the Software as set forth in the applicable documentation from the date of original retail purchase of the Software for a period of ninety 90 days Software Warranty Period provided that the Software is properly installed on approved hardware and operated as contemplated in its documentation MicroStrain further warrants that during the Software Warranty Period the magnetic media on which MicroStrain delivers the Software will be free of physical defects MicroStrain s sole obligation shall be to replace the non conforming Software or defective media with software tha
27. User Manual Version 4 0 4 G Link Wireless Accelerometer Node MicroStrain Micro Sensors Big Ideas www microstrain com MicroStrain Inc 2011 by MicroStrain Inc 459 Hurricane Lane Suite 102 Williston VT 05495 Phone 802 862 6629 Fax 802 863 4093 WWW microstrain com support microstrain com ISSUED 20 July 2011 MicroStrain Inc Table of Contents lusnEeMUio e 5 SUPPORTED FIRMWARE AND SOFTWARE VERSIONS eee ee eene eese en ee eee ne sete tn sese etos eee en a 6 GUIDE TO RELEVANT DOCUMENTS e eee eese eene eee enne etta tne e etta aee seen sese sense seen see eese 6 OVERVIEW n 7 INSTALLATION Pr H 8 STARTER KITS MODULES AND OPTIONS ssssccssssscssssssccesssscccssssccccssccsesssccscssseccscssceecsssececcssnes 9 COMMON TERMS rcr 11 OPERATION Poe 13 RIORUM Oo M 17 USB BASE STATION canes oe ie efe ett 17 ANALOGOBASESTATION cccnicioWtecmsteteemate a BEE BE 17 SERIAL BASE STATION uei eter bead oi sew aae ice ede sei ederet op uous ep te dete ur voee ce iav dee e vr Ue Rove De Eee ER UTR 18 2X9 0 0 8 0 ITA DI Hort 19 GENERAL INFORMATION UNS EET EE Pe E
28. aming data was successfully saved to file on your PC Do the same for each node graph 63 MicroStrain Inc Appendix 4 Low Duty Cycle with Agile Link software Low Duty Cycle Low Duty Cycle LDC allows you to sample each sensor each channel on a node from 500 Hz to 1 sample per hour Sensor data is blipped to the base station and collected displayed and saved by Agile Link software in real time Please review the Sampling Rates section of this manual for sampling rate details Operating one node in LDC Low Duty Cycle use should be started by setting your configuration Establish communication with the node and right click to get the drop down menu Click Configure and the Configuration window opens Click the Channels tab and apply as you normally would the active channels etc Now click the Low Duty Cycle tab Set the Sample Rate drop down box to 1Hz 1 sample per second Note You may select any of a number of sampling rates ranging from 500 Hz to 1 sample per hour For finite LDC uncheck the Continuous Low Duty Cycle checkbox Set the Sweeps numscroll to 200 200 samples over 200 seconds Note You may select any number of sweeps ranging from 100 to 65500 Click Apply Or For continuous LDC check the Continuous Low Duty Cycle checkbox The Sweeps value is disregarded Click Apply Click OK to close the Configuration window Configuration Node 259 Channels Streaming Low Duty Cycle Datalog
29. awake and listening for commands from a base station Several configuration operational test functions exist for the G Link some of the more often used functions are listed below A Verify will test whether the base station and software are communicating successfully A Ping will test whether a single byte transmission from the base station to the node is successful A Range Test will test whether communication is being maintained over a period of time between the base station and the node A Cycle Power will have the effect of manually cycling the power on the node Node Discovery allows the base station to detect any node on any frequency as it is powered on Load Node Information reads and displays the model serial number firmware version and other statistics of the node Frequency allows reading and setting of the channel on which the node is operating Read Write EEPROM allows direct reading and setting of parameters maintained in EEPROM Please see the Agile Link software manual for more information on software accessible features of the G Link 16 MicroStrain Inc Base Stations The G Link is designed to operate with any of the Agile Link wireless family base stations These base stations include the USB base station the Analog base station and the Serial base station Please refer to the Agile Link Base Station manual which is contained on the Agile Link CD and on our web site for detailed instruction
30. cations The G Link may be deployed up to 70 meters line of sight from its base station and 100 meters or more with added antenna options The G Link has a long life internal battery and may be remotely deployed in any number of applications including bridges machinery aircraft production lines and the like Multiple G Link s may be deployed around a single base station each transmitting its data to the base station coincidentally with the data being passed on to the software for aggregation MicroStrain Inc Installation We suggest these three steps to install your G Link 1 Install the Agile Link software by following the directions given in the Software Installation section of this manual 2 Remove the contents of your G Link starter kit e Install the antenna on base station antenna connector Tighten hand tight do not over tighten e If you have a serial base station see Figure 1 connect the RS 232 cable to a serial port on your PC and to the serial base station RS 232 connector Connect the external power supply to the power connector on the serial base station and plug it into a proper power receptacle Turn the serial base station power switch on and the green LED will illuminate indicating the base station is powered e If you have a USB base station plug the USB connector into any USB port on your PC The blue LED will illuminate indicating the base station is powered e If you have an anal
31. cececececececececececececececececececececececececs 42 MEASUREMENT AXES ede deci a e Wee ee exe e eei ees 43 CALIBRATION AXES dedit deett eedem eec edis eee dw ee ic bee qe vedo uen 43 SYSTEM BLOCK DIAGRAM 44 FCC UNITED STATES CERTIFICATION eere ee ee eee eee teens seen esee enne esta 45 LABELING REQUIREMENTS esee pt rete iei EE 45 ANTENNAS ccccccecececececececececececececececececececececececececececececececececececececececececececececececececececevece 45 IMPORTANT NOTES E 46 IC INDUSTRY CANADA CERTIFICATION eee etn nee seen ness eene e eaae eese enne esta 47 TRANSMITTER ANTENNA S iiti e Ce Rr EET E REPE DEVE Eel 47 SOFTWAR DE A EE M Ei 48 STANDARD OFFERING 48 SYSTEM REQUIREMENTS ra T E A 48 SOFTWARE INSTAL ATION E E EE 48 DATA COMMUNICATIONS 48 SUPPORT 50 OVERVIEW edocet 50 M9 50 I DICEREM 50 MUR DEBIT 50
32. cs alone will operate between 40 C and 85 Extended temperature ranges can be achieved with custom batteries and enclosures Please contact your MicroStrain Sales representative with your requirements 34 MicroStrain Inc Sampling Rates As described in more detail elsewhere in this manual the G Link has four sampling modes being 1 Datalogging 2 Streaming 3 Low Duty Cycle and 4 High Speed Streaming Each of these modes supports a unique set of sampling rates In Datalogging and Low Duty Cycle modes you may choose the sampling rate for the session In Streaming and High Speed Streaming the sampling rate is a function of the number of active channels being sampled and may not be set by the user Datalogging The sampling rate may be set to any of the following rates 32 samples per active channel per second 64 samples per active channel per second 128 samples per active channel per second 256 samples per active channel per second 512 samples per active channel per second 1024 samples per active channel per second 2048 samples per active channel per second Streaming The sampling rate is a function of the number of active channels e Iflchannelis active the sampling rate will be 736 samples per second for the channel e If2channels are active the sampling rate will be 679 samples per active channel per second e channels are active the sampling rate will be 617 samples per active channel per seco
33. ctions of this manual The G Link has a 2 4 GHz omni directional right angle 14 wave antenna extending from the faceplate of the G Link amp The antenna is mounted to a male reverse polarity SMA connector RP SMA extending through the enclosure from the circuit board assembly Antenna specifications may be found at http www antennafactor com documents ANT 2 4 CW RCS Sheet pdf The stated range for the G Link is up to 2000 meters line of sight from its base station when in extended range mode and 70 meters line of sight when in standard range mode 23 MicroStrain Inc Node Addressing Each node has a unique address from 1 to 65534 which identifies the node to the base station and software Typically the factory assigns the last 4 digits of the node s serial number as the address and changes to this address are not recommended except under special circumstances Address 65535 is a specialized broadcast node address For example if several nodes hear a command for node 65535 to start datalogging they will all initiate datalogging simultaneously It is extremely important that no particular node be assigned the 65535 broadcast address Note The Streaming and High Speed Streaming commands in Agile Link software can not use the broadcast 65535 address 24 MicroStrain Inc Sample Duration Calculations Datalogging streaming low duty cycle and high speed streaming sampling sessions can all be set
34. data rate LDC 1Hz 16 bit counter Node RC 10 Absolute time PC Windows OS stamp LDC gt 1 Hz 16 bit counter Node Crystal 25ppm High Speed 16 bit counter Node Crystal 25ppm Streaming Table 5 Notes 1 16 bit counter and absolute time stamp are both applied 26 MicroStrain Inc Power The G Link is normally powered by its internal rechargeable lithium polymer battery and may also be powered by an external source On Off Switch The G Link has a 2 position on and off slide switch on its sidewall next to the power barrel connector OFF is towards the barrel connector ON is away from the barrel connector Figure 4 Internal Battery The G Link contains an internal rechargeable Ultralife brand 3 7 volt Lithium Ion battery 5 http www ultralifebatteries com datasheet php ID UBC005 The G Link internal battery has a manufacturer stated nominal capacity of 200 mAh C 5 Rate 23 C The G Link internal battery has a manufacturer stated recharge cycle life of 2300 cycles C 5 to 8096 of initial capacity A rule of thumb would be to expect at least 300 recharges from fully depleted to full charge before discharge capacity begins to drop The internal battery should only be charged with the Phihong brand external power supply Model PSAOSR 090 http www phihong com assets pdf PS AOSR pdf provided in the G Link starter kit The power supply is a switching supply and may receive an
35. de Node The node is the wireless transceiver that carries the sensors and provides communication with the base station The G Link V Link SG Link and TC Link are all nodes Ping A byte is transmitted by the base station to a particular node and the node responds by echoing the byte indicating communication exists between the base station and the node Plugins Software wizards which aid in the configuration of node s sensors Range Test A continuous string of pings used to validate communication between the base station and the node over distance and obstruction Read write EEPROM Commands transmitted to the node to read or write parameters stored in the node s operating system SEDT Sensor Event Driven Trigger is a method whereby a ceiling or floor output threshold can be set in the node to automatically trigger datalogging Sleep A command to set a node into low power mode useful for extending battery life Streaming Streaming is a node action whereby all active channels and the sensors attached to them are sampled and the data acquired is transmitted to the base station and software The data is not written to non volatile memory during streaming Streaming can either be finite have a user defined start and end time or continuous continue until the power is cycled on the node Sweep Rate A node setting which determines the number of times all active channels are sampled during a finite sampling session T
36. ded with fully commented source code and a compiled executable for Microsoft C 6 0 Microsoft C 7 1 Microsoft VB 6 0 Microsoft VB NET 2003 Microsoft VB NET 2005 and LabVIEW 7 1 The source code contains only objects native to the particular IDE with no third party controls added The SDK is shipped on the CD with one license for use 49 MicroStrain Inc Support Overview e MicroStrain is committed to providing timely knowledgeable world class support to its customers We are open 24 X 7 through our web portal We make every attempt to respond to your email the same business day We are always available by telephone during business hours We provide in depth FAQs manuals quick start guides and technical notes Firmware and software upgrades are made available on line as they become available Code samples in several languages are posted to aid your development We support our customers as we would want to be supported Web Our home page is at URL www microstrain com Our support page is at URL http www microstrain com support overview aspx Email MicroStrain s Support Engineers make every attempt to respond to emails requesting product support within the same business day The more detail you can provide the quicker we will be able to understand your issues and find solutions Data files pictures screen grabs etc are all very helpful in generating a well thought out solution Please ema
37. des one G LINK wireless triaxial accelerometer nodes with 10 g range one USB base station charger and Agile Link software Operates on 2 4 GHz direct sequence spread spectrum IEEE 802 15 4 radio G LINK 10G 2400 SK2 G LINK starter kit includes two G LINK wireless triaxial accelerometer nodes with 10 g range one USB base station charger and Agile Link software Operates on 2 4 GHz direct sequence spread spectrum IEEE 802 15 4 radio G LINK IP65 ENCL IP65 NEMAA rated high strength fiberglass enclosure with 9V battery clip Dimensions 2 5 x 4 5 x 3 Table 3 6306 0200 6306 0300 6302 3000 6302 4000 G LINK IP65 XL ENCL G LINK IP65 XXL ENCL HIGH G OPTION IP65 MAG MicroStrain Inc G LINK IP65 XL ENCL IP65 NEMAA rated high strength fiberglass enclosure with non rechargeable 3 6V Lithium D cell battery Dimensions 2 94 x 2 18 x 6 3 G LINK IP65 XXL ENCL IP65 NEMAA rated high strength fiberglass enclosure with 3 parallel non rechargeable 3 6V Lithium D cell batteries Dimensions 2 2 x 4 4 x 6 8 HIGH G OPTION modify wireless nodes to operate in excess of 550 g Install high g crystals pot entire assembly and install internal antenna IP65 MAG pair of magnetic mounting strips for use with the wireless IP65 enclosures Table 3 con t 10 MicroStrain Inc Common Terms These terms are in common use throughout the manual Address Each node has a unique addre
38. e station will support streaming through its analog backplane see the Base Station manual for details In the HIGH SPEED STREAMING sampling method the G Link sampling rate is directly dependent on the number of sensor channels which are active With 1 channel active the channel will be sampled at the rate of 4000 samples per second with 4 channels active each channel will be sampled at the rate of 1000 samples per second High Speed Streaming can be finite or continuous In finite high speed streaming a sampling duration is set and the high speed streaming session will last the duration once initiated In continuous high speed streaming the high speed streaming session will last until the host software stops the session or the power is cycled on the G Link The data is transmitted over the air to the base station during high speed streaming no data is written to the on board memory during the session During high speed streaming the software receives the data from the base station parses caches and displays the data and provides for the data to be saved into CSV formatted files for further analysis Please review the Sampling Rates section of this manual for datalogging streaming low duty cycle and high speed streaming sampling rate details Multiple G Link s nodes and or base stations may be operated at the same time depending on the sampling method in use In the Datalogging sampling method you may trigger a datalogging sessi
39. file click Save Stream A Save As window will appear allowing you to name and save the session data Click OK To close the Data Collector window click its upper right hand X To return to normal node operations right click the node in the Localhost frame to get its main menu Note If you are using continuous Low Duty Cycle sampling or want to prematurely stop a finite Low Duty Cycle sampling you may do so using the Stop Monitoring and Save Stream software functions However the node will continue to operate in Low Duty Cycle mode and not be able to communicate normally until you cycle its power After cycling you will again be able to communicate normally with the node Operating multiple nodes in LDC As was stated above operating multiple nodes in Low Duty Cycle should be started by individually setting each node s configuration and Channel Actions Multiple nodes can be started in Low Duty Cycle at the same instant Press and hold down the Ctrl key Click each node that you want to include in the session c Comm 10 Node 161 il Node 245 il Node 259 Node 362 MIN Node 531 Release the Ctrl key Right click the base station and a menu will appear Localhost 0X lt conn Y N Stream E Low Duty Cycle wv N Sleep v Cycle Power On Ping Load Node Information Remove Click Low Duty Cycle nodes that were selected will now begin LDC and will all be sam
40. for help FCC approved Antennas This device has been designed and tested to operate with the antennas listed below Antenna Factor ANT 2 4 CW RCS SMA 45 MicroStrain Inc Important Notes The G Link has been certified by the FCC for use with other products without any further certification as per FCC section 2 1091 Modifications not expressly approved by MicroStrain could void the user s authority to operate the equipment If the G Link is integrated with an unintentional radiator the OEM integrator is responsible for testing compliance of the unintentional radiator FCC section 15 107 amp 15 109 before declaring compliance of their final product to Part 15 of the FCC Rules If using the G Link in portable applications module antenna is less than 20cm from the human body during device operation the integrator or end user is responsible for passing additional SAR Specific Absorption Rate testing based on FCC rules 2 1091 and FCC Guidelines for Human Exposure to Radio Frequency Electromagnetic Fields OET Bulletin and Supplement C The testing results will be submitted to the FCC for approval prior to selling the integrated unit The required SAR testing measures emissions from the module and how they affect the person 46 MicroStrain Inc IC Industry Canada Certification The G Link is labeled with its IC ID number If this IC ID is not visible when the module 15 installed inside another device then the o
41. g marks are trademarks and or service marks of MicroStrain Inc and may be registered in the United States or in other jurisdictions including internationally MicroStrain Inc s trademarks service marks and trade dress may not be used in connection with any product or service that is not affiliated with MicroStrain Inc in any manner that is likely to cause confusion among customers or in any manner that disparages or discredits MicroStrain Inc All other trademarks not owned by MicroStrain Inc that appear on MicroStrain s website or in product literature or in manuals are the property of their respective owners who may or may not be affiliated with connected to or sponsored by MicroStrain Inc 58 MicroStrain Inc Appendix 1 Host to Base Station Communication RS 232 Communication between the Serial base station or the RS 232 interface of the Analog base station and the host computer is via a standard RS 232 connection as shown in the RS 232 Signals Definition and RS 232 Asynchronous Character Format tables RS 232 Signals Definition Signal Name Direction Function TxD Transmit Data Host to Base Station Asynchronous Serial Data from Host RxD Receive Data Base Station to Host Asynchronous Serial Data to Host GND Signal Ground N A Signal Ground Reference RS 232 Asynchronous Character Format Baud Rate 115 2K Parity None Data Bits 8 Stop Bits 1 USB 2
42. ging Power Management Graphing Infe lt gt Low Duty Cycle Configuration Sample Rate 1 Hz Fi Continuous Low Duty Cycle Low Duty Cycle Settings Sweeps 2000 Time Duration 2000 00 sec 64 MicroStrain Inc If you plan to acquire data in engineering units you should proceed to setting Channel Actions Click View Click Channel Actions The Channel Actions window appears Click Resync to set existing calibrations to the active channels or manually Setup each channel from here When completed click the red X in the upper right hand corner of the Channel Actions window to close it To proceed to Low Duty Cycle right click the node and the drop down menu will appear Click Low Duty Cycle Mode 259 Stream Low Ping Range Test L Power Management 4 Read Write EEPROM Load Node Information Configure Frequency Plugins br Remove Node Click Start and Low Duty Cycle begins sampling and displaying A Data Collector window is spawned in the graphing area Realtime Graph Data Collector Data View for any node Node Channel 1 Channel 2 Channel 3 Channel 4 Channel 5 Channel 6 Chanr Node 259 3 89395 us 0 022692 Timer Tick 55 Sample Rate 1H2 lt 2 7H 65 MicroStrain Inc As Low Duty Cycle samples are received from the node their values will be displayed by channel If engineering units have been applied by Chan
43. h several times and in a moment begin throbbing on and off every 1 second The rapid flashes indicate a successful boot up The throbbing indicates that the G Link is active and in an idle state The Device Status LED has several states during normal operation State LED appearance Booting up Rapidly flashes 10 times when power is applied recycled Active and idle Throbbing on and off every 1 second Datalogging Illuminates continuously Streaming Illuminates continuously High Speed Streaming Illuminates continuously Low Duty Cycle Blips on off based on sampling rate Ping Blips on off once for each ping Range Test Blips on off at high rate giving appearance of continuous illumination Read Write EEPROM Rapidly flashes several times Sleep Faint blip on off based on Check Radio Interval Table 4 The Device Status LED has several states during error operation State LED appearance Radio error Blinks slowly 4 times on boot up On board 2MB flash memory error Blinks slowly 5 times on boot up Table 4A 22 Radio and Antenna The G LinkQ and its base station employ 2 4 GHz IEEE 802 15 4 compliant radio transceiver for wireless communication The radio is designed to comply with ETSI EN 300 328 EN 300 440 class 2 FCC CFR 47 part 15 and ARIB STD T66 For additional information on regulatory approvals please FCC and IC Certification se
44. her application should use this formula to calculate temperature Bisou x or 424 mv 25 C Temp c 20 MicroStrain Inc LEDs The G Link has four LED indicators on its faceplate The LEDs signal the various operating states of the G Link to the user 01 40 n E G Link www microstraincom pancing Device Status Figure 3 Charge Power Good LED The green Charge Power Good LED illuminates when the external power supply is connected and proper voltage is being supplied to the charging circuit and continues to illuminate while the internal battery charging circuit is active Charging LED The red Charging LED illuminates when the external power supply is connected and continues to illuminate while the internal battery charging circuit is active When the internal battery is fully charged the LED turns off in favor of the green Charge Complete LED The red Charging LED will also turn off if the external power supply is removed prior to full charge Charge Complete LED The green Charge Complete LED will illuminate only during a charging session and only when the battery is fully charged The green Charge Complete LED will turn off if the external power supply is removed 21 Device Status LED MicroStrain Inc The green Device Status LED indicates the current state of the G Link amp When the G Link is switched on the green Device Status LED will rapidly flas
45. ice of Law These terms and any agreement between MicroStrain and buyer shall be interpreted in accordance with the substantive laws of the State of Vermont USA and without regard to its choice of law provisions Any action to enforce any such terms shall be exclusively in the courts of competent jurisdiction in Chittenden County Vermont Any legal action between MicroStrain and buyer shall be decided by a court acting without a jury 17 Disclaimer of U N Sale of Goods The United Nations Convention on Contracts for the International Sale of Goods is specifically disclaimed 18 Force Majeure Except for the obligations to make payments neither party shall be bound to meet any obligation if prevented from doing so as a consequence of force majeure If a situation of force majeure lasts for more than ninety 90 days the Parties 57 MicroStrain Inc shall be entitled to terminate this Agreement by canceling it in writing without any rights to compensation of damages or refunds 19 No Assignment This Agreement and any Licenses or the Software may not be assigned sublicensed leased sold or otherwise transferred without prior written consent from MicroStrain and any unauthorized transfer is null and void This agreement and any licenses granted is personal to you and can be used for personal or internal business use only and may not be used on behalf of a client or customer 20 Notice notifications and communications rela
46. il us at support microstrain com Telephone MicroStrain s Support Engineers are available by phone Monday through Friday 9 00AM to 5 00PM local time When calling MicroStrain indicate to the receptionist that you are calling for product support and you will be promptly routed to a Support Engineer Please have your equipment ready to test Every attempt will be made to solve issues while you are on the line 1 800 449 DVRT 3878 Toll Free in US 1 802 862 6629 telephone 1 802 863 4093 fax Local time 2 GMT 05 00 Eastern Time US amp Canada SKYPE MicroStrain s Support Engineers are available by SKYPE Monday through Friday 9 00AM to 5 00PM local SKYPE name microstrain wireless support 50 MicroStrain Inc RMA Warranty Return As described in our 1 Year Warranty contained in the Terms and Conditions stated elsewhere in this manual MicroStrain will incur for its own account any cost to repair replace a MicroStrain product covered under the warranty Non warranty Return non warranty repairs replacements will receive a minimum charge The minimum charge for standard wireless displacement and orientation products is US 75 00 The minimum charge for non standard or custom products is US 150 00 If the repair replacement charge exceeds the minimum the minimum is folded into the total repair replacement cost General Instructions In order to return any MicroStrain product you must contact us for a Return Merchandise A
47. in will only replace the defective portion of the Product and will not ship back any accessories iv The customer is responsible for all in bound shipping charges to MicroStrain No Cash on Delivery is allowed Products sent COD will either be rejected by MicroStrain or become the property of MicroStrain Products shall be fully insured by the customer MicroStrain will not be held responsible for any packages that are lost in transit to MicroStrain The repaired or replaced packages will be shipped to the customer via UPS Ground or any 56 MicroStrain Inc common carrier selected by MicroStrain with shipping charges prepaid Expedited shipping is available if shipping charges are prepaid by the customer and upon request v Return Merchandise is to be shipped to MicroStrain Inc at the address indicated below vi MicroStrain may reject or return any Product that is not packaged and shipped in strict compliance with the foregoing requirements or for which an RMA number has not been obtained or is not visible from the outside of the package The Product owner agrees to pay MicroStrain s reasonable handling and return shipping charges for any Product that is not packaged and shipped in accordance with the foregoing requirements or that is determined by MicroStrain not to be defective or non conforming 14 What Is Not Covered This Limited Warranty provided by MicroStrain does not cover Products if in MicroStrain s sole and excl
48. input from 100 to 240 Volts AC It outputs 9 Volts DC A set of 4 plug adapters are provided to accommodate most countries electrical services The G Link should be fully charged before each use Charging may take up to several hours depending on battery depletion Charging procedure e Turn off the G Link On Off Switch Insert external power supply male connector into the G Link barrel connector e Insert power supply into wall or other electrical service Observe that both the green Charge Power Good and red Charging LED illuminate If only the green Charge Power Good illuminates remove the external 27 MicroStrain Inc power supply male connector and re insert it into the G Link barrel connector until the red Charging LED illuminates Please see the LEDs section of this manual for more details e Charging has completed when you observe that the green Charge Power Good remains illuminated the red Charging LED turns off and the green Charge Complete LED illuminates Remove external power supply male connector Turn on the G Link On Off Switch e Note The G Link should normally be operated with the external power supply disconnected and therefore not charging the battery Here are some example battery life calculations Streaming consumes 25 mA If G Link battery capacity is 200 mAh the device will stream for 8 hours before re charging is required e Datalogging consumes 25 mA If the G Li
49. learance or liquidation sale or other sales in which MicroStrain the sellers or the liquidators expressly disclaim their warranty obligation pertaining to the Product and in that case the Product is being sold As Is without any warranty whatsoever including without limitation the Limited Warranty as described herein notwithstanding anything stated herein to the contrary 13 Submitting A Claim The customer shall return the Product to the original purchase point based on its return policy In case the return policy period has expired and the Product is within warranty the customer shall submit a claim to MicroStrain as follows 1 The customer must submit with the Product as part of the claim a written description of the Product defect or Software nonconformance in sufficient detail to allow MicroStrain to confirm the same ii The original Product owner must obtain a Return Material Authorization RMA number from MicroStrain and if requested by MicroStrain provide written proof of purchase of the Product such as a copy of the dated purchase invoice for the Product before the warranty service is provided iii After an RMA number is issued the defective Product must be packaged securely in the original or other suitable shipping package to ensure that it will not be damaged in transit and the RMA number must be prominently marked on the outside of the package Do not include any manuals or accessories in the shipping package MicroStra
50. lick the Channels tab Check boxes to enable G Link s channels 1 2 and 3 Uncheck the channel 4 box to disable the temperature channel Leave the Offset scroll boxes for channels 1 2 and 3 at the default value of 512 mid scale Click Apply Click the Streaming tab Uncheck box for Continuous Streaming Enter the value 5000 into the Sweeps scroll box Note that a streaming session of approximately 8 seconds has been set Click Apply Click OK Click View in the menu bar Click Channel Actions The Channel Actions windows will appear Click the Resync button Channels 1 2 and 3 will now have the G Link Calibrator in place indicating that the G Link will output engineering units in G s Click the small red X in the upper right corner of the Channel Actions window to close the window Place the G Link on you desktop with the label pointed to the sky and leave it stationary Right click on the node icon label and a pop up menu will appear Click Stream Click Start The node will start streaming acceleration in engineering units Gs and display the 3 enabled channels as advancing plots on the Real time Graph The Y axis will auto scale engineering units and will report channel 1 green at or near 0 G s channel 2 red at or near 0 G s and channel 3 blue at or near 1 G s The channel plots will continue along the X axis until 5000 sweeps 8 seconds has elapsed This indicates that the node is successfully streaming its sensor data
51. logging memory of the all the nodes was successfully erased Click Broadcast and the broadcast menu appears Click Trigger The trigger datalogging command will be broadcast to all nodes The activity LED on the nodes or elapsed time should be observed to determine when the datalogging session has ended There is no individual response to Agile Link from the nodes when they are completed datalogging Note Any number of datalogging sessions can be run consecutively before downloading Please review the Datalogging Memory section of this manual for capacity details Proceed to download datalogging from each node individually as described in the Operating one node in datalogging mode section above Broadcast does not allow downloading of several nodes coincidentally 61 MicroStrain Inc Appendix 3 Streaming with Agile Link software Streaming Streaming allows you to sample each sensor each channel on a node at rates as high as 736 samples per channel per second Sensor data is transmitted to the base station as it is sampled in real time and is collected displayed and saved by Agile Link software Please review the Sampling Rates section of this manual for sampling rate details Operating one node in streaming mode A streaming session should be started by setting your configuration Establish communication with the node and right click to get the drop down menu Click Configure The Configuration window will appear C
52. nd e If4 channels are active the sampling rate will be 565 samples per active channel per second Low Duty Cycle The sampling rate may be set to any of the following rates 500 samples per second for each active channel 250 samples per second for each active channel 100 samples per second for each active channel 50 samples per second for each active channel 25 samples per second for each active channel 10 samples per second for each active channel 5 samples per second for each active channel 2 samples per second for each active channel sample per second for each active channel sample every 2 seconds for each active channel 1 sample every 5 seconds for each active channel sample every 10 seconds for each active channel 35 MicroStrain Inc sample every 30 seconds for each active channel sample every 60 seconds for each active channel 1 sample every 2 minutes for each active channel sample every 5 minutes for each active channel sample every 10 minutes for each active channel 1 sample every 30 minutes for each active channel sample every 60 minutes for each active channel High Speed Streaming The sampling rate is a function of the number of active channels If 1 channel is active the sampling rate will be 4 000 samples per second for the channel If 2 channels are active the sampling rate will be 2 000 samples per active channel per second If 3 channels are active the sampling rate will be 1 330 sam
53. nel Actions the units will display in those units otherwise all values will be in raw bits Click the sign to the left of the node and a tree of information will display indicating current Timer Tick read Sweep and the current Sampling Rate Select Graph View from the drop down above the channel headers and the Low Duty Cycle graphing window will appear Click the node in the Available Node frame and a real time graph will appear and graph the samples as they arrive eal raph Data Collector Graph View v Monitor for any node Available Nodes ve Node 259 Monitoring Sweep Value 10 Timer Ticks E Select Data View from the drop down above the channel headers and the Low Duty Cycle data window will reappear In finite Low Duty Cycle sampling will progress until the number of sweeps set in the Configuration has been reached Note The Agile Link software does not signal the user when a finite LDC session has completed It will continue to monitor for any samples coming from the node The user by observation of the Data View observation of the activity LED on the node etc must intervene to continue By right clicking on the node in the Data Collector window you receive various menu items N Node 259 Stop Monitoring Remove Stop Monitoring Remove Nodes 66 MicroStrain Inc To stop Low Duty Cycle sampling click Stop Monitoring To save the Low Duty Cycle session to
54. nk battery capacity is 200 mAh the device will datalog for 8 hours before re charging is required e Sleep mode consumes 0 5 mA If the G Link battery capacity is 200 mAh the device will sleep for 400 hours before re charging is required Bypassing the Internal Battery The G Link may be directly powered by external batteries external regulated power supply or other external source The source should deliver stable voltage must range between 3 2 to 9 0 volts DC and must be capable of sourcing at least 50 mA The power must be applied through the external power supply barrel connector on the side wall of the G Link Polarity must be observed the center post is positive and the outside barrel is ground There is an internal 2 pole switch on the back of the G Link circuit board that must be switched to the battery bypass position It is accessed through a small slot on the enclosure The figure below shows the Default position for internal battery and the Bypass position for external power source BYPASS DEFAULT INTERNAL POWER SWITCH Figure 5 G Link Rev I forward 28 MicroStrain Inc Power Profile Power consumption on the G Link is influenced by a wide range of variables including operating mode sampling rate and number of active channels A current power profile which outlines power consumption for the matrix of operating states is available at http www microstrain com pdf G
55. nual for a visual representation of the G Link base station and host software operation In the DATALOGGING sampling method the G Link may be configured to sample data as fast as 2048 samples per channel per second to as slow as 32 samples per channel per second Datalogging can be finite or continuous In finite datalogging a sampling duration is set and the datalogging session will last the duration once initiated The data will be written to the memory on board the G Link during the session In continuous datalogging the one session will last until the memory is full Multiple finite datalogging sessions may be conducted with the G Link before its memory is full No data is transmitted over the air to the base station during datalogging When datalogging is completed one or more sessions the software provides for the data to be downloaded from the G Link through the base station The software parses the data into CSV formatted files for further analysis In the STREAMING sampling method the G Link sampling rate is directly dependent on the number of sensor channels which are active With 1 channel active the channel will be sampled at a rate of 736 samples per second with 4 channels active each channel will be sampled at a rate of 565 samples per second Streaming duration can be finite or continuous In finite streaming a sampling duration is set and the streaming session will last the duration once initiated In continuous st
56. og base station connect the USB cable to USB port on your PC and to the analog base station USB connector on the back panel Connect the external power supply to the power connector on the back panel of the analog base station and plug it into a proper power receptacle Depress the red power button on the front panel and the green LED will illuminate indicating the base station is powered Install the antenna on the G Link antenna connector Tighten hand tight do not over tighten Insure the G Link is turned off switch towards power connector Fully charge the G Link internal battery following the procedure given in the Internal Battery section of this manual USB Serial Analog MicroStrain Figure 1 3 Follow the step by step instructions in the G Link Quick Start Guide which you will find on the CD or on our web site This will get you up and running From here you will want to use the Agile LinkTM software to familiarize yourself with all the operations of the G Link MicroStrain Inc Starter Kits Modules and Options The G Link is available in starter kits as individual modules and with options Part Number 6305 0000 6305 0011 6305 0041 6305 0042 6305 1000 6305 1011 6305 1041 6305 1042 6306 0100 Model Number G LINK 2G 2400 M G LINK 2G 2400 SKA G LINK 2G 2400 SK1 G LINK 2G 2400 SK2 G LINK 10G 2400 M G LINK 10G 2400 SKA G LINK 10G 2400 SK1
57. on Founded in 1987 our early development focused on producing micro displacement sensors for strain measurement in biomechanics research applications Our first sensors were designed for arthroscopic implantation on human knee ligaments since then we expanded our product line through continual product improvement We introduced a broader line of micro displacement sensors that could withstand extreme temperatures hundreds of millions of cycles and complete submersion in saline The aerospace and automotive industry found our sensing systems met their requirements and we ve worked on many groundbreaking projects As our customer base expanded we continued to innovate by combining multiple sensors along with advanced micro controllers to enhance system performance We were one of the first sensor companies to add wireless capability so that low power miniature digital sensors could communicate easily with personal computers and send data to the internet Our inclinometer product line was initially developed to measure angles of limbs to help re animate the limbs of paralyzed individuals The tiny lightweight gyro enhanced orientation modules that resulted from this effort found immediate acceptance for navigation amp control of unmanned systems in military and exploratory robotics applications Sensors are literally changing our world we re inspired to work with our customers to introduce advanced sensing technology that will enable the ne
58. on on any number of G Link s at the same instant by broadcasting a datalogging command from one base station to all the nodes In this case all nodes and the base station operate on the same frequency All nodes would receive the command and independently perform their datalogging session Each node would be downloaded separately In the Streaming sampling method you may trigger a streaming session on up to 16 G LinkGs at the same instant by broadcasting a streaming command from multiple base stations to each base station s corresponding node In this case a base station would be deployed for each node and each pair would be set to a separate frequency so as not to conflict with other pairs All nodes would receive the command and independently stream their data to the paired base station Agile Link software is capable of handling 14 MicroStrain Inc up to 4 node base station pairs application developers would be able to operate up to 16 pairs in this fashion This limit of 16 results from the number of available frequencies within the band spectrum of the G Link radio In the Low Duty Cycle sampling method multiple G LinkGs can share the same frequency since each node is not transmitting continuously You may start a low duty cycle session on any number of G LinkG5s at the same instant by broadcasting a low duty cycle command from one base station to all the nodes All nodes receive the command and independently begin transmitting
59. pled by the software Note The nodes will commence at the same instant and although each node runs independently the nodes will have near real time synchronization subject to very small error as a result of their individual clock crystals 67 MicroStrain Inc Note Alternatively all nodes assigned to a base station can be started at the same time Right click the base station and click LDC Monitor Node A Data Collector window will spawn and all nodes will automatically start Low Duty Cycle As before a Data Collector window is spawned in the graphing area and all nodes being captured are displayed 7 Data Collector Data v Monitor for any node Node Channel 1 Channel 2 Channel 3 Channel 4 Channel 5 Channel 6 Chanr Node 245 2045 bits 0 020496 Timer Tick 117 Sample Rate 1 Hz Node 259 1 55758 15 0 023424 Timer Tick 200 Sample Rate 1 Hz amp Node 362 2052 bits 2061 bits 2036 bits 2041 bits Timer Tick 200 Sample Rate 1Hz Node 531 4034 Timer Tick 200 Sample Rate 1Hz 2054 bits 4093 bits 4094 bits 4094 bits Timer Tick 200 Sample Rate iHz lt gt X Click Graph View and the graphing window appears Click the nodes you want to graph in the Available Nodes frame A limit of 4 graphs on screen is enforced 7 RealTime Graph Data Collector a GraphView Monitor for any node Available Nodes Node 161 2 Node 161 Monitoring Node 245 3
60. ples per active channel per second If 4 channels are active the sampling rate will be 1 000 samples per active channel per second 36 MicroStrain Inc Datalogging Memory The G Link contains 2 megabytes of memory reserved for storage of datalogging As a bit of background the memory is actually organized into 8 191 pages with each page able to hold 132 data points or a total of 8 191 pages x 132 data points 1 081 212 data points Let s look at some sample datalogging sessions and see how they consume memory Example 1 We set the G Link with channels 1 2 and 3 active with a sampling rate of 2 048 samples per channel per second and a sweep rate of 20 000 9 77 seconds This session will produce 20 000 sweeps x 3 channels 60 000 data points This session will consume 60 000 data points 1 081 212 data points 5 of the datalogging memory Therefore we could run 100 596 2 20 consecutive finite datalogging sessions before we would have to download the data Example 2 We set the G Link with channel 3 active with a sampling rate of 512 samples per channel per second and a sweep rate of 10 000 19 53 seconds This session will produce 10 000 sweeps x 1 channels 10 000 data points This session will consume 10 000 data points 1 081 212 data points 1 of the datalogging memory Therefore we could run 100 1 100 consecutive finite datalogging sessions before we would have to download the data
61. reaming the streaming session will last until the host software stops the session or the power is cycled on the G Link The data is transmitted over the air to the base station during streaming no data is written to the on board memory during the session During streaming the software receives the data from the base station parses caches and displays the data and provides for the data to be saved into CSV formatted files for further analysis Please note that the Analog base 13 MicroStrain Inc station will support streaming through its analog backplane see the Base Station manual for details In the LOW DATA DUTY sampling method the G Link may be configured to sample data as fast as 500 samples per channel per second to as slow as 1 sample per channel per hour Low Duty Cycle can be finite or continuous In finite low duty cycle a sampling duration is set and the low duty cycle session will last the duration once initiated In continuous low duty cycle the low duty cycle session will last until the host software stops the session or the power is cycled on the G Link The data is transmitted over the air to the base station during low duty cycle no data is written to the on board memory during the session During low duty cycle the software receives the data from the base station parses caches and displays the data and provides for the data to be saved into CSV formatted files for further analysis Please note that the Analog bas
62. rigger command transmitted to the node to begin a datalogging session Wake A command transmitted to the node to recover a node in sleep configuration 12 MicroStrain Inc Operation Let s discuss the operation of the G Link and base station in conjunction with the Agile Link host software The G Link has 3 accelerometers mounted on each of its 3 axes X Y and Z The G Link samples these accelerometers using four different selectable modes The data is either stored temporarily on board the G Link or immediately transmitted to a base station depending on the sampling method The base station is read by the host software as data is received and the host software displays and or saves the data to file The 3 accelerometer sensors and the temperature sensor are each assigned to a separate channel channel 1 X accelerometer channel 2 Y accelerometer channel 3 Z accelerometer and channel 4 temperature sensor Each sensor is excited with 3 volts and all four sensors are captured by the microprocessor through a 12 bit A to D converter The firmware in the microprocessor processes the digital sampling into raw data and depending on the sampling method selected either writes the data as it is captured to the flash memory or sends the data through the serial communication interface to the radio The radio in turn transmits the data to any listening base station Please refer to the System Block Diagram section of this ma
63. s collectively all physical products Software and Embedded Software as defined herein 2 Pricing prices are quoted in US dollars unless otherwise explicitly stated and are valid for ninety 90 days You shall be responsible for the payment of all shipping charges costs of freight taxes import fees insurance duties value added taxes and the like Our minimum order is one hundred 100 00 dollars excluding all additional charges including shipping taxes and the like 3 Payment Payment shall be made in advance in U S dollars by credit card bank draft or letter of credit unless otherwise agreed in writing by MicroStrain At the sole discretion of MicroStrain credit terms of net 30 days up to a pre approved limit may be offered to buyer A late payment charge of one and a half 1 596 percent per month or the maximum percentage rate permitted by law if lower shall be charged on all past due balances Buyer agrees to pay all costs incurred by MicroStrain including but not limited to collection fees court costs and attorney fees associated with collection of past due balance 4 Shipping Terms Products delivered to you by us shall be F O B our distribution center with risk of loss passing to you upon our delivery of the Products to a common carrier MicroStrain will arrange payment for shipping and insurance with the carrier but such costs are the responsibility of Buyer Delivery times quoted are estimates only
64. s on their use with G LinkG USB Base Station The MicroStrain USB base station is a transceiver which provides a communication link between a host computer and the Agile Link family of wireless nodes including V Link SG Link G Link and TC Link The USB base station employs a 2 4 GHz radio with 16 selectable channels to communicate with the remote nodes The USB base station is connected to a host computer via a USB connection and is operated with MicroStrain s Agile Link software The USB base station under instruction from the software wirelessly communicates with the Agile Link nodes alternately sending commands and configurations and receiving responses and data The USB base station sends all of the commands available to the nodes including ping datalog stream data erase read and write EEPROM etc The USB base station in turn receives acknowledging responses from the nodes and passes datalogging downloads streaming data high speed streaming data and low duty cycle data to the host computer The USB base station is capable of maintaining communications with multiple nodes Its broadcast mode allows the simultaneous issuance of several commands to multiple nodes Analog Base Station The MicroStrain Analog base station is a transceiver which provides a communication link between a host computer and the Agile Link family of wireless nodes including V Link SG Link G Link and TC Link
65. sec 50 ppm LDC mode time stamped at PC Datalogging and LDC mode 2Hz to 500Hz 100 usec 25 ppm 90 msec hour LDC mode 1 Hz to 2 samples per hour 10 2 4 GHz direct sequence spread spectrum license free worldwide 2 450 to 2 490 GHz 16 channels IEEE 802 15 4 open communication architecture 8 minutes to download full memory Up to 2000 meters line of sight in extended range mode 70 meters line of sight in standard range mode 3 7 volt lithium ion rechargeable battery 200 mAh capacity Customer may supply external power from 3 2 to 9 volts Real time streaming 25 mA datalogging 25 mA sleeping 0 5 mA Table 6 39 MicroStrain Inc 20 to 60 with standard internal battery and enclosure Operating Temperature extended temperature range optional with custom battery and enclosure 40 to 85 for electronics only 58 mm x 43 mm x 26 mm without antenna board only 36 Dimensions mm x 36 mm x 24 mm Software Agile Link Windows XP Professional compatible PC Comm Serial port 115 2 kBaud Table 6 con t 40 MicroStrain Inc Mechanical Drawings Enclosure Dimensions 1 700 2 20 187 THRU Figure 10 41 MicroStrain Inc Circuit Board Assembly Dimensions 1 393 1 250 0 985 4 20 125 i 1 400 1 150 BENE i 0 035 0 884 i 0 382 9100 Figure 11 42 MicroStrain Inc Measurement Axes e Channel 1 X axis
66. ss from 1 to 65534 which identifies node to the base station and software e Base Station The transceiver base station attaches to your host computer and provides communication between the software and the node s e Bits The digital equivalent of voltage on the node The 12 bit A D converter returns bit values ranging from 0 4096 bits Broadcast Any of a number of commands trigger sleep erase etc transmitted at the same instant to multiple nodes Browse Triggers The software action whereby one can display and analyze the datalogging sessions in CSV format e Channel Actions Coefficients contained on board the node to instruct the host software to scale engineering units e Configuration A general term applied to the node indicating the streaming or datalogging environment The number of active channels sampling rate offset hardware gain etc are all components of a node s configuration e Continuous A term used to describe a sampling session datalogging streaming LDC HSS where the time length of the session is undefined CSV Comma Separated Values a data file which has its data separated by commas will import into most spreadsheet and analysis programs Cycle Power A command transmitted to the node to re boot the node Datalogging Datalogging is a node action whereby all active channels and the sensors attached to them are sampled and the data acquired is written to non volatile memory on board
67. stomer is expressly prohibited from disassembling or reverse engineering the Software or Embedded Software All copyright notices shall be retained on all authorized copies of the Software and Embedded Software 8 Limited Warranty MICROSTRAIN WARRANTS i ALL PRODUCTS EXCEPT SPARE PARTS OR REPLACEMENT PARTS AND SPARE KITS FOR A PERIOD OF ONE 1 YEAR AND ii ALL SPARE PARTS OR REPLACEMENT PARTS AND SPARE KITS FOR A PERIOD OF NINETY 90 DAYS WHICH ARE MANUFACTURED BY MICROSTRAIN SHALL BE FREE FROM MATERIAL DEFECTS IN WORKMANSHIP AND MATERIALS FROM THE DATE OF DELIVERY TO THE CUSTOMER THIS WARRANTY EXTENDS ONLY TO THE ORIGINAL CUSTOMER OF MICROSTRAIN AND IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED WHETHER OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR USE AND OF ALL OTHER OBLIGATIONS AND LIABILITIES OF ANY KIND OR CHARACTER WHICH MAY OTHERWISE APPLY EXCEPT FOR THE WARRANTY DESCRIBED HEREIN MICROSTRAIN EXPRESSLY DISCLAIMS ALL WARRANTIES OF MERCHANTABILITY OF THE GOODS OR OF FITNESS FOR ANY PURPOSE THERE ARE NO OTHER WARRANTIES EXPRESS OR IMPLIED EXCEPT THOSE SPECIFICALLY PROVIDED FOR HEREIN BY 54 MicroStrain Inc ACCEPTING THE PRODUCTS FROM MICROSTRAIN THE BUYER ACKNOWLEDGES AND AGREES i THAT THE INHERENT VALUE OF THE PRODUCTS ARE UNRELATED TO THE VALUE OR COST OF ANY PROPERTY IN CONNECTION WITH WHICH THE PRODUCTS MAY BE USED AND THAT MICROSTRAIN MAKES NO WARRANTY THAT THE PRODUCTS WILL AVERT DE
68. t substantially conforms to MicroStrain s functional specifications for the Software or to refund at MicroStrain s sole discretion Except as otherwise agreed by MicroStrain in writing the replacement Software is provided only to the original licensee and is subject to the terms and conditions of the license granted by MicroStrain for the Software Software will be warranted for the remainder of the original Software Warranty Period from the date or original purchase If a material non conformance is incapable of correction or if MicroStrain determines in its sole discretion that it is not practical to replace the non conforming Software the price paid by the original licensee for the non conforming Software will be refunded by MicroStrain provided that the non conforming Software and all authorized copies thereof is first returned to MicroStrain The license granted respecting any Software for which a refund is given automatically terminates 10 Limitation of Liability IN NO EVENT SHALL THE MICROSTRAIN BE LIABLE FOR SPECIAL DIRECT INDIRECT INCIDENTAL OR CONSEQUENCIAL DAMAGES INCLUDING BUT NOT LIMITED TO LOSS OF PROFIT OR OPPORTUNITY OR SIMILAR DAMAGES WHICH MAY ARISE IN CONNECTION WITH ANY OF MICROSTRAIN S PRODUCTS BUYER S SOLE AND EXCLUSIVE REMEDY SHALL IN NO EVENT EXCEED THE REPAIR 55 MicroStrain Inc REPLACEMENT OR COST OF THE SPECIFIC PRODUCT PURCHASED FROM MICROSTRAIN AS PROVIDED IN THE WARRANTY PERIOD 11 Warranty
69. tems in order to receive a full refund Any shipping and or handling charges on the original order cannot be refunded At our discretion we may levee a restocking fee of 15 of the cost of items returned MicroStrain is not responsible for shipping costs or damage on returned items Units to be returned should be packed carefully Please be advised that packages sent by normal US Postal Service cannot be tracked to ensure delivery Since MicroStrain cannot provide credit for a return without confirming its receipt we recommend that you use a delivery service that can be tracked and or insured A 30 Day Return must be initiated by receiving an RMA from MicroStrain 52 MicroStrain Inc Terms and Conditions 1 Acceptance of MicroStrain Inc s Terms and Conditions By placing an order with MicroStrain Inc MicroStrain Buyer agrees to be bound by these Terms and Conditions of Sale and Software License if applicable MicroStrain will not be bound by any of other terms and conditions regardless of whether Buyer tenders terms and conditions with an order or otherwise and these terms and condition of sale prevail over any conflicting or additional terms of any quote order previous agreement acknowledgment or similar communications between the parties These Terms and Conditions supersede all prior or contemporaneous oral or written communications proposals and representations with respect to its subject matter The term Products include
70. their low duty cycle data The base station receives the data from all the nodes and passes it on to the host software It should be noted here that when using multiple nodes with one base station in low duty cycle mode the total number of nodes that can be simultaneously sampled is dependent on the number of active channels and the sampling rate As the number of active channels increases and or sampling rates increase the total number of nodes that can be sampled falls Likewise as the number of active channels decreases and or sampling rates decrease the total number of nodes that can be sampled increases In the High Speed Streaming sampling method you may trigger a high speed streaming session on up to 16 G LinkG5s at the same instant by broadcasting a high speed streaming command from multiple base stations to each base station s corresponding node In this case a base station would be deployed for each node and each pair would be set to a separate frequency so as not to conflict with other pairs All nodes would receive the command and independently stream their data to the paired base station MicroStrain s High Speed Streaming software is capable of handling only 1 node base station pair application developers would be able to operate up to 16 pairs in this fashion This limit of 16 results from the number of available frequencies within the band frequency of the G Link radio The analog base station has an additional feature relating
71. ting to this Agreement shall be made by the parties to the other party in writing and shall be signed by a person duly authorized to provide such notice 21 Entire Agreement This Agreement shall constitute the entire Agreement between buyer and MicroStrain and shall not be modified or rescinded except in writing signed by buyer and MicroStrain The provisions of this Agreement supersede and precede all prior oral and written quotations communications agreements and understandings of the parties Products and services rendered by MicroStrain are done so only in accordance with these Terms and Conditions of Sale If any provisions within these terms and conditions are found to be invalid by any court having competent jurisdiction the invalidity of such provisions shall not affect the validity of the remaining provisions of these terms and conditions which shall remain in full force and effect 2007 MicroStrain Inc rights reserved The Products Software and Embedded Software may be protected by U S patents with other patents pending in the U S A and elsewhere MICROSTRAIN MICROSTRAIN and Logo DEMOD DC DVRT AIFP STRAINLINK EMBEDSENSE FAS G FAS E FAS A 3DM 3DM DH 3DM G 3DM GX1 3DM GX2 INERTIA LINK MICRO SENSORS BIG IDEAS LITTLE SENSORS BIG IDEAS V LINK G LINK SG LINK TC LINK STRAIN WIZARD NODE COMMANDER RHT LINK SG LINK TORQUELINK and other marks indicated on our website and the logo forms of the foregoin
72. tion employs a 2 4 GHz radio with 16 selectable channels to communicate with the remote nodes The Serial base station is connected to a host computer via an RS 232 connection and is operated with MicroStrain s Agile Link software The Serial base station under instruction from the software wirelessly communicates with the Agile Link nodes alternately sending commands and configurations and receiving responses and data The Serial base station sends all of the commands available to the nodes including ping datalog stream data erase read and write EEPROM etc The Serial base station in turn receives acknowledging responses from the nodes and passes datalogging downloads streaming data high speed streaming data and low duty cycle data to the host computer The Serial base station is capable of maintaining communications with multiple nodes Its broadcast mode allows the simultaneous issuance of several commands to multiple nodes Vicon M 5 Tain 18 MicroStrain Inc Accelerometers General Information The G Link is available in either 2G or 10G accelerometer ranges e Both G Link models integrate two orthogonally mounted dual axis MEMS accelerometers from Analog Devices e Specifications for the 2G Model ADXL202 may be found at http www analog com en prod 0 2C2877 2CADXL202 2C00 html Specifications for the 10G Model ADXL210 may be found at http www analog com en prod 0 2C2
73. to last a finite duration a finite amount of time Finite sample duration is a value ranging from 100 to 65500 in increments of 100 A datalogging example We set the number of active channels to 3 We set the sample rate to 32 We set the sampling duration to 1000 We trigger the session We download the session We find that we have 1000 rows of data with each row containing 3 channels of sensor data We see that the session lasted 31 25 seconds Another datalogging example We set the number of active channels to 1 We set the sample rate to 1024 We set the sampling duration to 10000 We trigger the session We download the session We find that we have 10000 rows of data with each row containing channel of sensor data We see that the session lasted 9 77 seconds From this is becomes clear how the sampling duration can be thought of as a time setting e In our first example we can divide a sampling duration of 1000 by a sample rate of 32 to equal 31 25 seconds In our second example we can divide a sampling duration of 10000 by a sample rate of 1024 to equal 9 77 seconds A streaming example We set the number of active channels to 3 We can t set the sample rate because that is fixed in hardware and we know it will be 617 We set the sampling duration to 10000 We start the session We save the session We find that we have 10000 rows of data with each row containing 3 channels of sensor data We see that the session lasted
74. uccessfully downloaded 60 MicroStrain Inc Note Any number of datalogging sessions can be run consecutively before downloading Please review the Datalogging Memory section of this manual for capacity details Right click on the node icon label and a pop up menu will appear Click Datalogging Click Browse Triggers The Trigger Browser window will appear Click the sign to the left of the trigger label example July 20 2007 09 36 07 and Trigger 1 will appear Highlight Trigger 1 and click the Open Trigger The data in Trigger 1 will be displayed in spreadsheet format assuming you have Microsoft amp Excel installed This indicates that the data from Trigger 1 was successfully saved to file on your PC Close the spreadsheet Click OK on Trigger Browser window Operating several nodes in datalogging mode broadcast method Establish communication with several nodes on the same frequency under one base station Configure each node individually for a datalogging session as described in the Operating one node in datalogging mode section above Normally all nodes would be set to the same sample rate sweep rate channel actions etc for any given session but there is no requirement to do this Right click the base station and a drop down menu appears Click Broadcast and the broadcast menu appears Click Erase A confirming message box will appear Click Yes A progress bar will appear and disappear This indicates that the data
75. units Gs when the G Link is datalogging streaming low duty cycling high speed streaming and reading single sensor The formula embedded in the G Link firmware for scaling is as follows Gs output bits offset gain 38 MicroStrain Inc General Specifications On Board Accelerometers Accelerometer Range Measurement Accuracy Resolution Shock Limit Analog to Digital A D Converter Data Storage Capacity Data logging mode Sensor event driven trigger Real time streaming mode Low duty cycle mode Synchronization between nodes Sample rate stability Radio Frequency RF Transceiver Carrier RF Data Packet Standard RF Programming and Downloading Range for Bi Directional RF Link Internal Li Ion Battery Power Consumption Triaxial MEMS accelerometers Analog Devices ADXL202 or ADXL210 2g or 10g 10 mg 200 ug VHz 500g Successive approximation type 12 bit resolution 2 megabytes approximately 1 000 000 data points Log up to 1 000 000 data points from 100 to 65 500 samples or continuous at 32 Hz to 2048 Hz Commence datalogging when threshold exceeded Transmit real time data from node to PC rate depends on number of active channels 1 channel 4 KHz 2 channels 2 KHz 3 channels 1 33 KHz 4 channels including temp 1 KHz Supports multiple nodes on single RF channel total update bandwidth of 500 Hz divided by number of nodes Datalogging 100 u
76. usive judgment have been subjected to abuse accident alteration modification tampering negligence misuse faulty installation lack of reasonable care repair or service in any way that is not contemplated in the documentation for the Product or if the model or serial number has been altered tampered with defaced or removed Initial installation installation and removal of the Product for repair and shipping costs Operational adjustments covered in the operating manual for the Product and normal maintenance Damage that occurs in shipment due to acts of God failures due to power surge and cosmetic damage Any hardware software firmware or other products or services provided by anyone other than MicroStrain Products that have been purchased from inventory clearance or liquidation sales or other sales in which MicroStrain the sellers or the liquidators expressly disclaim their warranty obligation pertaining to the Product Repair by anyone other than MicroStrain will void this Warranty 15 Copyright Statement No part of this publication or documentation accompanying any Product may be reproduced in any form or by any means or used to make any derivative such as translation transformation or adaptation without permission from MicroStrain as stipulated by the United States Copyright Act of 1976 as amended Contents are subject to change without prior notice Copyright 2007 by MicroStrain Inc rights reserved 16 Cho
77. uthorization number Call toll free 800 449 3878 to obtain an RMA from your MicroStrain representative returned merchandise must be in the original packaging including manuals accessories cables etc with the authorization RMA clearly printed on the outside of the package MicroStrain is not responsible for shipping costs from and to the customer or damage on returned items Units to be returned should be packed carefully Please be advised that packages sent by normal US Postal Service cannot be tracked to ensure delivery Since MicroStrain cannot provide credit for a return without confirming its receipt we recommend that you use a delivery service that can be tracked and or insured Normal turn around for RMA items is 7 days from receipt of item by MicroStrain 51 MicroStrain Inc 30 Day Return Policy stock product orders from MicroStrain may be returned within 30 days for a full refund In order to return or exchange all or part of your order you must contact us for a Return Merchandise Authorization number Call toll free 800 449 3878 to obtain an RMA from your MicroStrain representative returned merchandise must be in the original packaging including manuals accessories cables etc with the authorization RMA clearly printed on the outside of the package Return requests must be made within 30 days of the receipt date AII free items must be returned together with purchased i
78. utside of the device into which the module is installed must also display the following label referring to the enclosed module Contains Model G Link IC 8505A MSLINK0001 Integrator is responsible for its product to comply with IC ICES 003 amp FCC Part 15 Sub B Unintentional Radiators ICES 003 is the same as FCC Part 15 Sub B and Industry Canada accepts FCC test report or CISPR 22 test report for compliance with ICES 003 Transmitter Antennas This device has been designed to operate with the antennas listed below Antenna Factor ANT 2 4 CW RCS SMA Operation is subject to the following two conditions 1 this device may not cause interference and 2 this device must accept any interference including interference that may cause undesired operation of the device This device complies with Industry Canada licence exempt RSS standard s Operation is subject to the following two conditions 1 this device may not cause interference and 2 this device must accept any interference including interference that may cause undesired operation of the device Le pr sent appareil est conforme aux CNR d Industrie Canada applicables aux appareils radio exempts de licence L exploitation est autoris e aux deux conditions suivantes 1 l appareil ne doit pas produire de brouillage et 2 l utilisateur de l appareil doit accepter tout brouillage radio lectrique subi m me si le brouillage est susceptible d en compromettre le
79. xt generation of smarter and safer machines civil structures and implanted devices Thank you for purchasing a MicroStrain sensor Steve Arms President and CEO MicroStrain Inc MicroStrain Inc Supported Firmware and Software Versions Device Firmware version Software version V Link 4 99 and higher Agile Link 1 4 1 and higher SG Link 4 99 and higher Agile Link 1 4 1 and higher G Link 4 99 and higher Agile Link 1 4 1 and higher TC Link 4 99 and higher Agile Link 1 4 1 and higher USB Base Station 2 0 7 and higher Agile Link 1 4 1 and higher Analog Base Station 2 0 7 and higher Agile Link 1 4 1 and higher Serial Base Station 2 0 7 and higher Agile Link 1 4 1 and higher Table 1 Guide to Relevant Documents Wireless Node Document V Link Agile Link Software Manual V Link V Link Quick Start Guide V Link V Link User Manual V Link Base Station User Manual V Link High Speed Streaming Quick Start Guide SG Link Agile Link Software Manual SG Link SG Link Quick Start Guide SG Link SG Link User Manual SG Link Base Station User Manual SG Link High Speed Streaming Quick Start Guide G Link Agile Link Software Manual G Link G Link Quick Start Guide G Link G Link User Manual G Link Base Station User Manual G Link High Speed Streaming Quick Start Guide TC Link

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