EmbedSense® User Manual
Contents
1. EMAIL TELEPHONE SKYPE spo 30 DAY RETURN POLICY TERMS AND CONDITIONS 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 corporation 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 sen2. INPUT VOLTAGE V INPUT BITS READING 32768 16383750 NOTE USING LOWER THAN 1000 OHM STRAIN GAUGES IS NOT RECOMMENDED EMBEDSENSE NODE Figure 1 Temperature Sensor Channel General Information e The EmbedSense Node has an on board solid state temperature sensor mounted internally on the surface of the circuit board e The temperature sensor output is presented on channel 1 of the EmbedSense Node The temperature sensor has a measurement range of 40 to 125 C range In use with EmbedSense software The Node temperature sensor outputs 0 004577707 C per bit with a typical offset of 50 The EmbedSense software uses and any other application should use these coefficients to calculate temperature from this internal temperature sensor 13 MicroStrain Inc Interrogation Antenna and Node The EmbedSense system cannot communicate power or data through metal barriers or with metals near the Interrogation Antenna or Node It is recommended that a minimum of 2 inches be left between the Node and or Interrogation Antenna and any metallic structures In very carefully controlled and limited circumstances this system can communicate through some types of metal barriers MicroStrain engineering can assist on a case by case basis with applications requiring communications through metal structures There are typically many caveats and much customization may be necessary to accommodate these applications Stand
3. 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 that 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 or
4. 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 26 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 relating 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 agr
5. conveyor past a fixed reader coil IC temperature sensor with 0 02 C resolution and 0 5 C accuracy S type load cell with calibration sheet 10 MicroStrain Inc Common Terms These terms are in common use throughout the manual Address Each node has a unique address from 1 to 65534 which identifies the node to the reader assembly and host software e Bits The digital equivalent of voltage on the node The node excites all sensor circuits with 3 Volts The return from the sensor is 0 to 65535 bits after 16 bit A D representing 0 to 3 volts e Broadcast Address A reserved node address 16384 to which all active nodes will respond Interrogation Antenna A system component that powers the Node as well as receives the Node s sensor data Node A system component that is passively powered and acquires and transmits strain voltage temperature pressure load and or other sensor data e Ping A byte is transmitted by the reader assembly to a particular node and the node responds by echoing the byte indicating communication exists between the reader assembly and the node Read write EEPROM Commands transmitted to the node to read or write parameters stored in the node s on board memory Reader Assembly A system component that powers the Interrogation Antenna digitizes the sensor data and interfaces the host computer Streaming Streaming is a node action whereby both channels and the sensors attac
6. fee of the greater of twenty five 25 percent of the invoiced amount of the returned products or one hundred 100 00 dollars To qualify for a 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 22 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 Buyer 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 So
7. the Reader Assembly Connect one end of the serial cable to the 9 pin RS 232 port on the Reader Assembly Connect the other end of the serial cable to a 9 pin RS 232 port on your host computer Connect the 5 pin DIN connector of the power supply to the 5 pin connector on the Reader Assembly Connect the power supply to the appropriate 100 240 VAC source Observe that the green LED on the front panel of the Reader Assembly illuminates indicating the unit is operating Place your Node in close proximity to the Interrogation Antenna 3 Follow the step by step instructions in the EmbedSense Quick Start Guide which you will find on the CD or on our web site Starter Kits and Modules MicroStrain Inc EmbedSense is available in starter kits and as individual modules Part Number Model Number Description 6303 0100 ES 125K READER M ES 125K READER M EmbedSense Strain and Temperature Reader Assembly with one 125 KHz external powering interrogation unit with power supply interrogation coil with 3 foot cable and software 6303 0200 ES 125K SG1000 M ES 125K SG1000 M EmbedSense node for 125 kHz operating frequency with cable to connect four leads to a full bridge strain measurement channel integral MicroChip TC1047 semiconductor temperature sensor and on board 16 bit A D converter 6303 0202 ES 125K SG1000 SK2 ES 125K SG1000 SK2 EmbedSense Strain and Temperature Sensing starte
8. 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 or 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 All rights reserved 16 Choice 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
9. E 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 23 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 DETECT 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
10. User Manual Version 2 0 1 EmbedSense Wireless Sensor MicroStrain Micro Sensors Big Ideas www microstrain com MicroStrain Inc 2009 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 28 December 2009 Information in this document is subject to change without notice and does not represent a commitment on the part of MicroStrain Inc While MicroStrain Inc makes every effort as to the accurateness of this document it assumes no responsibility for errors or omissions MicroStrain Inc Table of Contents lunEeMUio 4 SUPPORTED FIRMWARE AND SOFTWARE VERSIONS eee ee eene eee en eese enne sete tn nest tates esten a 5 GUIDE TO RELEVANT DOCUMENTS eee ee ee eene eee enne etta tne e e enne eese tone eee e ee eo aes seen see eese 5 OVERVIEW n 6 INSTALLATION 8 STARTER KITS AND MODULES eee ee ee eee eee eoe eese enne sesto ee ette eese sete eese ena 9 1 ONELSINE LA COPS 9 COMMON TERMS E 11 EMBEDSENSE saei a Sn EP e sert Vased Po Da SV epo sebo b Ege eV 0 col usw o coL p
11. ard Enclosures The Reader Assembly standard enclosure is flame retardant ABS plastic It is a 2 part assembly with base and removable cover and a temperature range of 0 to 70 C It is custom manufactured for MicroStrain Please see the General Specifications section of this manual for dimensions The Interrogation Antenna standard enclosure is Delrin plastic It has no disassembly and a temperature range of 0 to 70 C It is custom manufactured for MicroStrain Please see the General Specifications section of this manual for dimensions The Node standard enclosure is made with epoxy It has no disassembly and a temperature range of 40 to 125 C It is custom manufactured for MicroStrain Please see the General Specifications section of this manual for dimensions Figure 2 14 MicroStrain Inc General Specifications Number Input Channels Input Amplifier Bridge Excitation Sensor Types A D Converter Identification ID Update Rates Communication Method Coil to coil Separation EmbedSense amp Power Operating Temperatures Operating G Levels Dimensions Weight 2 Channels 1 differential input and 1 internal temperature sensor Other configurations available as custom options Instrumentation amp 110 dB CMRR standard gain 250 factory options from 1 to 1000 3 VDC regulated to 0 196 up to 3 mA at 3 VDC available Piezoresistive bonded foil amp semiconductor strain gauges pressure load torqu
12. d in turn passed to the Node s coil antenna for recovery by the Interrogation Antenna Sensor data communication between the Node and the Interrogation Antenna is accomplished by the Node shifting the tuning of its internal antenna from a reflective state to an absorptive state The Reader Assembly sees these shifts as amplitude modulation AM on the power signal converts the AM to a recovered data stream and passes the data on to the host computer Node powering and commands from the Reader Assembly to the Node are frequency modulated FM between the Interrogation Antenna and the Node MicroStrain Inc EmbedSense Nodes may be embedded on or under the surface of non metallic materials The Nodes can tolerate extreme G levels and low and high temperatures The Nodes may be queried for the life of the structure Host computer software displays the data records the data to file scales the data into engineering units and allows the user to configure and actuate the system MicroStrain Inc Installation We suggest these three steps to install your EmbedSense Wireless Sensor 1 Place the EmbedSense CD in your CD ROM drive and follow the on screen instructions to install MicroStrain s EmbedSense software 2 Remove the contents of your EmbedSense Wireless Sensor starter kit Connect one end of the BNC cable to the BNC connector on the Interrogation Antenna Connect the other end of the BNC cable to the BNC connector on
13. ding 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 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
14. e transducers thermocouples 16 bit resolution successive approximation type standard Other configurations available as custom options User programmable 16 bits 30 Hz channel w 125 kHz operating frequency 16 bit A D Other configurations available as custom options Switched reactance pulse code modulated serial RS 232 clocked synchronous Sensor dependent 37mm minimum 50mm typical 200 microamperes at 3 VDC not including bridge excitation 40 C to 125 C Independently tested to 50 000 g Reader Assembly 200mm length x 160mm width x 67mm height Interrogation Antenna 115mm diameter x 40mm height Embeddable Node 36mm diameter x 7mm height Reader Assembly 567 grams Interrogation Antenna 221 grams Embeddable Node 17 grams Starter Kit including Reader Assembly Interrogation Antenna 2 Embeddable Nodes cables and power supply 1910 grams Table 4 15 MicroStrain Inc Mechanical Drawings PARTS LIST ITEM QTY DESCRIPTION 1 1 COIL FORM 2 4 FOOT 3 1 COVER 4 1 BNC CONNECTOR 5 4 SCREW 10 32 X 3 4 FHS 6 4 SCREW 2 56 X 1 4 SKT SET 7 2 SCREW 4 40 X 5 16 FH PHIL 8 1 WINDINGS 29 TURNS 22 AWG 150 pH NOMINAL Figure 3 16 MicroStrain Inc Electrical Block Diagram Reader Assembly Interrogation Antenna oa p Coil Antenna Demodulator amp Level Shifter A Sensor Data Power amp Commands RS 232 Host C
15. ee 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 19 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 Authorization number RMA Call toll free 800 449 3878 to obtain an RMA from a 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 careful
16. eements 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 foregoing 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
17. eference is made to Figure 1 below To determine output readings versus input values use the following data BitSout gain bits full scale Vinpu Offset 250 65535 Vi 32768 where Vinpu is the differential voltage on the green and white wires For example if the bridge unbalance 15 40 001 volts the output would be 49152 bits Full scale is 0 002 volts in this example Zero volts input will return a bit value of 32768 To solve for input voltage Vinput bits reading 32768 16383750 It is expected that users will calibrate the differential input channel conducting a shunt calibration using a precision resistor or by applying a known load s to the strain gauge bridge Offset may be removed by manually balancing the strain gauge bridge with user supplied external resistors Finally the science and use of strain gauges is a large subject MicroStrain sales and support are always available to discuss your particular requirements 12 MicroStrain Inc WHEATSTONE BRIDGE __ RED 3V EXCITATION 1000 OHM MINIMUM GREEN SIGNAL WHITE SIGNAL BLACK EXCITATION GROUND RETURN CALIBRATION COEFFICIENTS TEMPERATURE CHANNEL 0 004577707 DEGREES C PER BIT OFFSET 50 TYPICAL STRAIN CHANNEL BITSOUT 250 65535 VINPUT 32768 BRIDGE VOLTAGE DIFFERENTIAL GAIN 21845 COUNTS PER VOLT ABS COUNTS 32768 ABS COUNTS OUTPUT COUNTS DEPENDING ON POLARITY OF BRIDGE INPUT VOLTAGE TO SOLVE FOR
18. ftware 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 Customer is expressly prohibited from disassembling or reverse engineering the Software or Embedded Software 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 AR
19. hed to them are continuously sampled and the data acquired is transmitted to the reader assembly and software 11 MicroStrain Inc EmbedSense Node Differential Input Channel The EmbedSense Node has one differential input channel which presents on channel 2 This channel is designed to accommodate strain gauges with 1000 ohm resistance or greater Using lower than 1000 ohm gauges is not recommended range and resolution will be severely reduced The EmbedSense Node by default is configured to support a full Wheatstone bridge installation The EmbedSense Node can also be ordered from the factory configured to support half and quarter bridge installations It is important to know how your EmbedSense Node has been configured before proceeding with use You may wish to check your invoice or contact MicroStrain support The EmbedSense Node excites the differential input channel with 3 volts DC at up to 3 mA for bridge excitation The circuit is designed to provide a pulsed excitation The circuit is excited the strain gauge bridge is allowed to fully energize the sample is taken and the circuit de excites This implementation produces 30 Hz sampling Reference is made to the Electrical Block Diagram elsewhere in this manual An instrumentation amplifier is in line between the strain gauge bridge and the A D converter Gain is factory adjustable between 1 and 1000 by default the Node is shipped with gain set at 250 v v R
20. iginal 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 24 MicroStrain Inc REPLACEMENT OR COST OF THE SPECIFIC PRODUCT PURCHASED FROM MICROSTRAIN AS PROVIDED IN THE WARRANTY PERIOD 11 Warranty 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 recondit
21. ioned 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 clearance 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
22. ly 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 20 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 RMA Call toll free 800 449 3878 to obtain an RMA from a MicroStrain representative All 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 free items must be returned together with purchased items 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 cann
23. ogation Antenna which powers the nodes as well as receives the sensor data 3 a Reader Assembly which powers the Interrogation Antenna digitizes the sensor data and interfaces the host computer and 4 software which operates the system The EmbedSense Node provides two measurement channels being 1 a differential input channel strain channel primarily designed to support strain gauges of 1000 ohm resistance or greater and 2 an internal temperature sensor channel The combination of the two measurement channels supports a wide range of Wheatstone bridge type sensors including semiconductor temperature sensors thermocouples strain gauges pressure sensors and load cells The EmbedSense Node is powered passively using an inductive link The Reader Assembly provides a 125 kHz signal to the Interrogation Antenna This signal energizes the Interrogation Antenna s coil causing the antenna to emit an AC electromagnetic field By bringing the Interrogation Antenna into close proximity with the Node the Node s antenna picks up this energy and uses it to power its micro processing and sensor circuits Actual radiated power level is very low and well within FCC Part 15 209 limitations for incidental radiators The EmbedSense Node employs a 16 bit A D converter to digitize the voltage on the differential input and temperature channels The digital data is passed to the on board microprocessor processed with the embedded algorithm an
24. omputer Coil Antenna Passive Node Rectifier Microprocessor Temperature A D Converter Sensor Amplifier Sensor Cable Wheatstone Bridge Sensor Figure 4 MicroStrain Inc Software Standard Offering Each EmbedSense starter kit is shipped with a CD containing EmbedSense software This software supports all the capabilities of the EmbedSense Wireless Sensor including streaming pinging EEPROM reading writing configuration data file saving real time sensor display and other features System Requirements To use the EmbedSense software your computer must have the following minimum specifications GHz CPU Microsoft 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 compatible mouse Serial port or USB to Serial adapter Software Installation e Place the EmbedSense CD in your CD ROM drive and follow the on screen instructions to install MicroStrain s EmbedSense software e A Quick Start Guide is provided on the CD to get you up and running Data Communications Protocol Customers and or developers wishing to develop their own applications for the EmbedSense Wireless Sensor should contact MicroStrain support engineers for details on the command set 18 MicroStrain Inc Support Overview e MicroStrain is committed to providing
25. ot 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 21 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 includes 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 inclu
26. 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 MicroStrain 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 COD 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 MicroSt
27. r kit Includes two 125 kHz operating frequency EmbedSense nodes with cable to connect four leads to a full bridge strain measurement channel integral MicroChip TC1047 semiconductor temperature sensor and on board 16 bit A D converter one EmbedSense Strain and Temperature Reader Assembly with one 125 KHz external powering interrogation unit with power supply interrogation coil with 3 foot cable and software Product Options When requested by the customer MicroStrain can supply the Nodes internally pre configured for 1 2 or 1 4 bridge configurations Gain can be factory configured to values other than the standard 250 when requested by the customer The Nodes can be factory configured for thermocouples We can supply type K or type J lead wires as specified by the customer Table 3 The EmbedSense system can be customized to accommodate OEM requirements for various reader coil geometries mechanical configuration number of channels sensor types high temperatures high G forces and other special environmental constraints Contact MicroStrain Sales for pricing on these options Examples of customized systems MicroStrain Inc 6 channels of type K thermocouples 55 000 Gs 110 degrees Celsius gt inch by 1 2 inch by 4 inch profile One way communications single customer supplied thermocouple used in closed loop machine control of heaters 125 C maximum operating temperature modules moving quickly on a
28. rain The repaired or replaced packages will be shipped to the customer via UPS Ground or any 25 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 exclusive 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
29. sors 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 next 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 EmbedSense 1 0 and higher EmbedSense 1 0 1 and higher Table 1 Guide to Relevant Documents Device Document EmbedSense EmbedSense User Manual EmbedSense EmbedSense Quick Start Guide Table 2 MicroStrain Inc Overview The EmbedSense Wireless Sensor is a specialized member of MicroStrain s wireless data acquisition systems The EmbedSense system comprises 4 main components 1 passively powered wireless sensor Nodes which acquire and send strain voltage temperature pressure load and or other sensor data 2 an Interr
30. 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 email 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 Fr
31. 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 27
32. ue s De PE e Cow 12 DIFFERENTIAL INPUT CHANNEL ccccccecececececececececececececececececececececececececececececececececececececececececececececececesecs 12 TEMPERATURE SENSOR CHANNEL cccccececesecececececececececececececececececececececececececececececececececececececececececececececs 13 INTERROGATION ANTENNA AND NODE ccssssscssssscccssssccscssscccsssscccessccccecssccscsssaccessssseceessseecees 14 STANDARD ENCLOSURES enses es esse aeos ense et e eth oe e Pa o 14 GENERAL SPECIFICATIONS 5 e eees sese ves ve va awe E DE 089 Vo sue 15 MECHANICAL DRA WINGS vissiscssssssocsesnsdesseesssesssvonicedecensovsoscaisvesssdectescossstecssbesdasssbasioossbecsesentecsosscensess 16 ELECTRICAL BLOCK DIAGRAM 2 2 42 1 4 44 141 0 4 8 0 60 000086600008460 800000 4300224 000000444 00000 4444 4 17 RIO MEN Hore 18 STANDARD OFFERING a E 18 SYSTEM 18 loan ve ge goalie eae wae dae Beene Se cs 18 DATA COMMUNICATIONS PROTOCOL cccccecececececececececececececececececececececececececececececececececececececececececececececs 18 SUPPORT OVERVIEW E
Download Pdf Manuals
Related Search