TDAS PLUS Level Trigger Device User`s Manual
Contents
1. n 1 562 493 0158 WWW dts icai TDAS PLUS Level Trigger Device User s Manual January 2006 Rev O TDAS PLUS Level Trigger Device User s Manual January 2006 Table of Contents DTS SuppDOTFt erii en sepa xao dur xoayGu aka A 3 Introducing the TDAS PLUS Level Trigger Device eere nnne 4 Overview of TDAS PLUS Level Trigger Device Features eee 4 Control Patel secet Aen t edt Poss er AENA EE EIEEE redeas 4 Elter HZ Virose eiei ED a oc aa e EUER PU RB EE E T OPEN RO KW D CET IO Pa 4 CNET 5 Arm Modena EERAR recede rey Seka aud ced Ee RRRPA IRAN Sin Vere eek bees EFIE TEE D EE UE RIA 5 INTERFACE COFLDGCEOEl uis rispan ee eps eh Rund p E uteri du dun tive RR AGE UEM 5 PoWer InDUt s oiec eta aee RDD ev aar nya e e dob E REX EE o Pe PEE VERE TUA e seas 5 EVENEOUCDUES jiiniccass sere viens ook vd oc biases tear ewaa OD ra ERI iad EET RM CUI RE 5 External AMINU iratai iera DAIS 34a DEAL REV Ben VERIS uPE QNEM TII THESIS ude 5 Accelerometer Data ecce casuyannnddcztavedeneaceeeeieeas D XX E eb COR LEN exe TL ARA 5 G SENSOR COInGCGCLOF iurc Fue eer vera eo ERR Peso us cux a sev Cuv ux E de ERR MET REDE Feu Vie 6 External ACCOIerOImbltel roii iL oesk eoque yERkUbu Ri cRE A ered HART REPE EEEE ERE ERU dds 6 Basic Care and Handling ore ernde unen n an onn anu nana n E sinensis E EERREREERREEKERAER ERE nian 6 SHOCK Ratilidudisstonssneenzatv E cate vsu etr E E E Co di Are pa2. Signal Conditioned Output Low Power Consumption Light Weight Plastic Housing D i PVG INSULATED CONDUCTORS 23 Gas Damping BRAIDED SHIELD PU JACKET 2X R 10 Integral Cable Connector Options 3 05 2X 6 120 L 23 4 APPLICATIONS WE SN 4 Low Frequency Monitoring CENTER OF SEISMIC MASS 4 Transportation Vibration Sensing n 2s Test amp Instrumentation Measurement Specialties Inc 1000 Lucas Way Hampton VA 23666 USA Www meas spec com Customer Service Tel 1 757 766 1500 Toll Free 1 800 745 8008 Fax 1 757 766 4297 Vibration Sensors Technical Support Tel 1 949 716 5377 Fax 1 949 916 5677 Email vibration meas spec com RevA 1 19 06 measurement SPECIALTIES 9e e Model 4000 Accelerometer performance specifications All values are typical at 25 C 100Hz and 12Vdc excitation unless otherwise stated Measurement Specialties reserves the right to update and change these specifications without notice Parameters DYNAMIC Range 2 5 10 20 Units Sensitivity 1000 400 200 100 mV g Frequency Response 0 250 0 400 0 500 0 800 Hz Range 50 100 200 Units Sensitivity 40 20 10 mV g Frequency Response 0 1000 0 1500 0 1500 Hz Non Linearity 1 FSO Transverse Sensitivity Max 3 Zero Acceleration Output 2 50 05 V Thermal Zero Shift 20 to 85 C 2 028 96 FSO C Thermal Sensitivity Shift 20 to 85 C
3. 028 96 C ELECTRICAL Excitation Voltage 10 to 24 Vdc Excitation Current 5 0 mA Reference Voltage 2 5 Vdc Output Impedance 100 Q Insulation Resistance 50Vdc 100 MO Ground Isolation Isolated PHYSICAL Housing High Performance Thermoplastic Weight cable not included 8 grams Mounting 2x 4 or M3 Screws ENVIRONMENTAL Shock Limit 5 000 g s Operating Temperature 20 to 85 aC Humidity Epoxy Sealed Contact factory for custom temperature compensation options electrical schematic ACCELEROMETER RED EXC L GREEN OUT L L WHITE OUT 2 5V REF LA BLACK EXC GND SHIELD Measurement Specialties Inc 1000 Lucas Way Hampton VA 23666 USA www meas spec com Customer Service Tel 1 757 766 1500 Toll Free 1 800 745 8008 Fax 1 757 766 4297 Vibration Sensors Technical Support Tel 1 949 716 5377 Fax 1 949 916 5677 Email vibrationGmeas spec com Notes 5 Notes 5 Maximum 1 Typical Maximum Maximum Typical Maximum Minimum Maximum 3 Ib in mounting torque ordering information 4000 100 060 measurement SPECIALTIES oe e Cable Length in
4. Should you have difficulty obtaining a specific part number they can suggest connector variations or alternates and explain options that may be useful for your particular application Another U S source is Alpine Electronics www alpine electronics com in San Jose California They are a stocking distributor for LEMO and LEMO compatible connectors support dtsweb com 9 Rev O TDAS PLUS Level Trigger Device User s Manual January 2006 Appendix B Mechanical Specifications Weight 278 grams without accelerometer assembly and cable uu TT veT Sseupu 8Z S WW 6g ocT seupu 86 v 0 25 inches diam 6 35 mm diam 2 00 inches 50 80 mm de 2 6 inches 66 04 mm Height 1 71 inches 43 43 mm support dtsweb com 10 Rev O Model 4000 Accelerometer Piezoresistive MEMS Accelerometer Signal Conditioned Output Temperature Calibrated Low Cost Light Weight DESCRIPTION The Model 4000 is an economical signal conditioned accelerometer with integral temperature compensation The accelerometer incorporates a 2nd generation piezoresistive MEMS sensor providing outstanding performance The accelerometer is packaged in a light weight thermoplastic housing ideal for transportation and instrumentation testing The signal conditioned output incorporates a 2 5V reference that offers the user a differential or single ended output FEATURES x2g to 200g Dynamic Range High Over Range Protection
5. problems When not in use or if shipping is required we suggest that you always place the unit in the padded carrying case originally provided with your system The TDAS PLUS LTD is not user serviceable and should be returned to the factory for service or repair The external accelerometer however can be purchased separately and replaced by the user See Appendix C for accelerometer specifics and sourcing information Shock Rating All crashworthy TDAS PLUS systems are rated for and fully tested to 100 Gs 12 msec duration in all axes and can be mounted directly on a vehicle sled or other dynamic testing device Mounting Considerations The unit should be securely bolted to the vehicle sled or other dynamic testing device to provide the best shock protection and facilitate proper grounding Mounting methods and mounting bolt selection should be carefully calculated so as to withstand expected shock loading See Appendix B for the unit s mechanical specifications The external accelerometer should be mounted on the test fixture in the sensitive axis as indicated on the accelerometer block support dtsweb com 6 Rev O TDAS PLUS Level Trigger Device User s Manual January 2006 Thermal Considerations It is extremely unlikely that excessive heating will ever be an issue in real world testing applications using the TDAS PLUS Level Trigger Device Should you have any questions about its use in your environment please contact DTS
6. E x ra ato doa oi eft 6 Mounting ConsIderalloHs Loses ad e name exp EX RI iets dura doe pA d a Rie pa Ea AE E We a d 6 Thermal Considerations 225 case pd zw CE RR E wade REX e eH A CE Eu Oa ERE ERE 7 Power Management sieurr uuuenuuneuauaRs eR ER RRRRRRRRRRRRRRRRRRRRRRRERRARREREERRRRRSRSSRRAR 7 External Power ProvIiSIOTnS 15x rea Gi eec eek ades o Remise weaned dc Mu LE eke 7 Power up and Power down Procedures cccccscecsecesscceaseeeeeeeeeseeeaeeeeseensaeensanenas 7 Communication Features ssssssssssssusssunnuuunnnnnnnnnnnnnnnnnnnnnnnnn nnmnnn 7 zb M c 7 Appendix A Connector Information cse eese esee nee nennen nnn nnn nnn 9 Suggested Connector SOURCES i is co reb ex Era M ENS S IRA ELM EOM Ur UE Ra ane 9 Appendix B Mechanical Specifications ee eese esee eese nnne nnn nnn 10 Appendix C Accelerometer Specifications e eene eene enn 11 support dtsweb com ii Rev O TDAS PLUS Level Trigger Device User s Manual January 2006 DTS Support TDAS systems are designed to be reliable and simple to operate Should you need assistance DTS has support engineers worldwide with extensive product knowledge and crash test experience to help via telephone e mail or on site visits The best way to contact a DTS support engineer is to e mail Support dtsweb com Your e mail is immediately forwarded to all DTS support engineers worldwide and is typi
7. No power insufficient power or external accelerometer is not connected Acceleration threshold not reached Acceleration threshold reached Power OK or exceeded Always enabled when unit is powered regardless of Arm Mode i e non latching support dtsweb com 7 Rev O TDAS PLUS Level Trigger Device User s Manual January 2006 WARNING If the GREEN power LED on the TDAS PLUS Level Trigger Device goes dark unexpectedly during the performance of a test the test should be aborted if this can be done in a safe manner support dtsweb com 8 Rev O TDAS PLUS Level Trigger Device User s Manual January 2006 Appendix A Connector Information 12 pin INTERFACE connector 5 pin G SENSOR connector EGG 2B 312 CLL EGG 1B 305 CLL panel view panel view Suggested cable connector P N Suggested cable connector P N FGG 2B 312 CLADxx FGG 1B 305 CLADxx Pin Function Power out VDC Sensor reference 2 5 V Power out VDC Sensor input 100 mV G Shield case Common Sensor output unfiltered 100 mV G Sensor output filtered 100 mV G 2 3 9 7 0 a a 5 ae Ly External arm input 5 VDC Nd Suggested Connector Sources DTS uses LEMO connectors on the TDAS PLUS Level Trigger Device If you need to purchase connectors we suggest first going to LEMO directly http www lemo com index html Their web site and worldwide sales team are very helpful
8. Power Management A good power source is of paramount importance Each TDAS PLUS Level Trigger Device should be powered from a fully charged 12 volt battery or a high quality power supply with a nominal output voltage of 12 volts 11 15 volt range and a capacity of at least 50 mA When assessing power requirements please consider any voltage drops that may occur due to cables connectors power converters etc External Power Provisions The TDAS PLUS LTD does not contain an internal power source but has a dedicated connector on the interface cable for primary input power The voltage required to power the unit can be supplied in two ways 1 directly from a 12 volt battery e g TDAS PLUS Crashworthy Battery or 2 connecting the unit to a TDAS PLUS Distributor An interface cable with the appropriate connector for your application is typically provided with your unit Power up and Power down Procedures Whenever the unit is connected to sufficient power it will power up Whenever power is disconnected from the unit it will power down Power up and power down is immediate upon application or removal of the power source Communication Features The TDAS PLUS Level Trigger Device communicates via two LED indicators The device does not support direct PC communications LED Indicators The TDAS PLUS LTD has two LED indicators that provide power and acceleration threshold G Level information LED Status PWR green LED T 0 red LED
9. cally the fastest way to get a response particularly if you need assistance outside of normal business hours For assistance by telephone please go to http www dtsweb com support html to find the phone number appropriate for your region of the world support dtsweb com 3 Rev O TDAS PLUS Level Trigger Device User s Manual January 2006 Introducing the TDAS PLUS Level Trigger Device The TDAS PLUS Level Trigger Device LTD is a crashworthy device that provides an opto isolated contact closure event output when a predetermined acceleration threshold is exceeded The TDAS PLUS Level Trigger Device will initiate data collection or event trigger when used with TDAS PRO TDAS G5 or TDAS PLUS equipment The TDAS PLUS LTD can also be used with any other system or device capable of receiving a contact closure event signal This manual discusses the features available with the TDAS PLUS Level Trigger Device To identify the specific hardware included with your system please see your packing list Overview of TDAS PLUS Level Trigger Device Features e Built and tested for 100 G dynamic testing environments e User selectable filter values G levels and arm mode e Overvoltage protection overcurrent protection power input polarity protection and event overvoltage protection e User replaceable external accelerometer in case of accidental damage e Use with any TDAS PRO rack TDAS G5 Docking Station TDAS PLUS Mini Distributor ful
10. d When Gs are selected the unit is waiting to sense the acceleration threshold G Level before sending an event signal Arm Mode EXT external SAFE Enabled op wnen Disabled Enabled external signal is present INTERFACE Connector All functions signals and power input are accessed via this connector See Appendix A for connector specifics and pin assignments An interface cable appropriate for your application and feature set is typically provided with your unit Power Input The TDAS PLUS LTD does not contain an internal power source but has a dedicated connector on the interface cable for primary input power An interface cable with the appropriate connector for your application is typically provided with your unit Event Outputs Two opto isolated contact closure event outputs are available via the INTERFACE connector The first event output is always used with the G Level switch so that when the acceleration threshold is exceeded a contact closure event signal is sent to any attached equipment that can receive such a signal The duration of the signal depends upon the length of time that the acceleration threshold is exceeded i e as long as the T 0 LED is on Depending on the requirements of your test environment the second event output may also be included in the interface cable provided with your unit External Arm Input An external arm input is available via the INTERFACE connector Depending on the requirements o
11. f your test environment this input may be included in the interface cable provided with your unit Accelerometer Data Filtered and unfiltered accelerometer data are available for recording via the INTERFACE connector Filtered data is accomplished via a 2 pole Bessel filter Depending on the requirements of your test environment one or both of these outputs may be included in the interface cable provided with your unit support dtsweb com 5 Rev O TDAS PLUS Level Trigger Device User s Manual January 2006 G SENSOR Connector This connector is dedicated for use with the accelerometer provided with the unit See Appendix A for connector specifics and pin assignments External Accelerometer Should it be necessary the external accelerometer can be replaced by the user See Appendix C for accelerometer specifics and sourcing information Basic Care and Handling The TDAS PLUS Level Trigger Device is a precision device designed to operate reliably in dynamic testing environments Though resistant to many environmental conditions care should be taken not to subject the unit to harsh chemicals submerge it in water or drop it onto any hard surface WARNING Electronic equipment dropped from desk height onto a solid floor may experience as much as 10 000 Gs Under these conditions damage to the exterior and or interior of the unit is likely When transporting the unit treat it as you might a laptop computer and you should have no
12. ly featured TDAS PLUS Distributor or any other device capable of receiving a contact closure event signal e Operates on nominal 12 VDC power 11 15 volt range e Integral mounting flanges An interface cable appropriate for your application and feature set is typically provided with your unit Please see your interface cable for the specific features included with your device Control Panel The control panel on the TDAS PLUS LTD allows you to select the operational parameters for the unit Keys to change switch position are supplied with the unit however a simple flat head screwdriver can also be used The keys must be removed from the unit prior to performing a test Filter Hz Five filter options are available 50 100 200 500 and 1000 Hz Users should select the highest value appropriate for their application while keeping in mind that e The higher the value the faster the response time e The lower the value the less chance of a false trigger support dtsweb com 4 Rev O TDAS PLUS Level Trigger Device User s Manual January 2006 G Level The unit has five user selectable G levels 0 5 1 0 2 0 5 0 and 10 0 Gs Users should select the level appropriate for their application Arm Mode There are three positions for this switch EXT external SAFE and Gs When EXT is selected the event output signal is only enabled when the unit receives an external signal When SAFE is selected the event output signal is disable
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