user manual
Contents
1. ICSP Ji optional Q V 68809 6 gt gt Sof 2 E d d N o eae ie Alternative i A a TP6 TP5 IPA 3 xD IPS P123025CT1 Vdd PWMSDA SCL Vz SS o Vss la S ee SSB SBIE i phi22odsci SUP smo ga gt gt gt 5 Fei ot 58 fi a ggg ls T PWM 33ks R42 Ge 33ks R43 Vdd 10ns a Optional J2 a a ie WM4902 ND_J3 al a8 a al aja a a amp a gl fma gl gol g3ee ef Ny Eg cl z4 o 2S RS R6 s A 1 5ks 1 5ks 22 ig e fe ax 2 SA 2210TBs rE e ional ite lt we Z a c3 T aay a fe Ri al xc Oo Np of wl x LP2980 ADJ U5 SZ 22 10TBs eee 4 a S2. 390129061401 Page 8 of 23 User Manual Rev 004 Jan 2008 USER MANUAL M e lex 5 MLX90614 Evaluation board Microelectronic Integrated Systems From this window the user can configure the MLX90614 module A short description of every setting field follows bellow For a detailed description of the settings please refer to the MLX90614 datasheet These settings are stored in MLX90614 EEPROM and will be the power up default configuration e o max To min defines the temperature ranges for object temperature in PWM mode e a max Ta min defines temperature ranges for ambient temperature in PWM mode ePWM SMBus Relay chooses between SMBus PWM and Thermo Relay mode ePWM mode defines single or extended PWM mode ePWM struct selects what data will be transmitted via the PWM ePWM period defines the PWM period A list of available settings as drop down menu ePWM period repetitions defines how many times each PWM period will be repeated Any even number of repetitions from 0 to 62 is valid ePWM pin configuration chooses between NMOS open drain and push pull PWM output eSensor zone defines the number IR sensors This number is factory programmed and Is recommended not to be altered eSMBus address set SMBus slave address All values between 0 and 127 are valid All MLX90614 will accept communication with slave address 0 Therefore in SMBus network a slave address 0 will be useless eF 1 R filter drop down li
3. Note If user decides to add own firmware using EVB90614 he must use program memory above 0x4000 see PIC18F4550 datasheet Also EEPROM memory addresses between 0x40 and 0x43 must be maintained 0x00 or OxFF otherwise the EVB90614 will not be recognized from the host when it is in bootloader mode For the latest information about this opportunity check www melexis com 390129061401 Page 23 of 23 User Manual Rev 004 Jan 2008
4. b ki File name a OETH File name My Network Files of type Binary file bin Places Places Save as type Binary file bin Cancel I Open as read only 390129061401 Page 10 of 23 User Manual Rev 004 Jan 2008 USER MANUAL M e lex 5 MLX90614 Evaluation board Microelectronic Integrated Systems 5 4 Manual sending commands From the main panel push the button Console Console utility window is opened Fig 5 12 Console utility yy A 4 16 Readed EEPROM address Ox11 0x7EOF 14 24 16 Readed EEPROM address 0x12 Ox0000 14 24 16 Readed EEPROM address 0x13 Ox604E 14 24 16 Readed EEPROM address 0x14 0x6041 14 24 16 Readed EEPROM address 0x15 Ox2136 14 24 16 Readed EEPROM address 0x16 Ox0152 14 24 16 Readed EEPROM address 0x17 Ox7B14 14 24 16 Readed EEPROM address 0x18 0x0000 14 24 16 Readed EEPROM address 0x19 Ox0000 14 24 16 Readed EEPROM address 0x14 OxD614 14 24 16 Readed EEPROM address 0x1B Ox2154 14 24 16 Readed EEPROM address 0x10 Ox000C 14 24 16 Readed EEPROM address 0x10 Ox0464 14 24 16 Readed EEPROM address Ox1E Ox0001 14 24 16 Readed EEPROM address Ox1F 0x0000 16 Slave address set to 0x56 Information field Command field Fig 5 12 Type a valid command in the Command field push Execute or button Enter on the keyboard The result will be reflected in the Information field The supported
5. E S MA E A X X Gyi 5 w A 3 Ba oO Oe o Ei tios in Out J a 4i a 3 ols se 2206848855 amp B Ba gt 0G 2 Ss gt ff amp ay 2 o a a A 2 8 a os a 2 2 GND NFM21PC105 2 Seca fegg amp D a z T S lt xyxyxy e On OFF ADJ on ae g tS a 9 cis S ce lt oo om Ow hice s E 23 RA4 TOCKI RB3 CCP2 11 24 10 RA5 AN4 SS HLVDIN RB2 INT2 Ik RI3 ax ter mie 25 REO ANS RBA INTI SCL H 26 8 1 IHE De R16 RE1 AN6 RBO INTO SDA eer 27 RE2 AN7 Vdd a c9 optional c10 28 U6 ed ny E 7S 22 10TB ee Vdd PIC18F4550 vss re A H 22 vss RD7 P1D gt eT 7 ae 2ps 30 AE yy OSC1 CLKI RD6 P1C hap z i 20MHa4 3 r e OSC2 CLKO RA6 RD5 P1B ME m oa RCO T1OSO RD4 me z q3 20 3H CRs N RC7 Rx H Hs airi 5 lt P l o TX Oa 820s R23 1ks g optional p85 ea a m EES TE piona Q s C16 OFagoraetBs o yo 0TBs o2 9298aq7qg oh aoO go Go Sal vom gt t e S CETE amp amp SO MEIS R25 _ Tpo o xk Rx Ww oO N for i or NI N oO ise ise T T k T gt i o0 a o a 7 cos 4 A F 4 4 4 4 54 s S USB D ih USB D CN6 n i d 1 Fi L 5 ae C N ale 5 iniUSB c18 c19 c20 HH gaa 90 oo a 7B 22 10TBs 78 22 10TBs AS 22 10TBs af 9 9 _ aa optional optional optional M3mm M3mm M3mm M3mm lopini eae eaen x pej oO oe B we Fo 2 S Leen D C28 isd e e wo NL al al Sf tall ns Os R4 optional on oO r A MO Yt 2 aAA 4 a Tt E TEE Optional J4
6. MLX90614 and will be the POR default afterwards This way the MLX90614 can be further used without EVB in target applications 5 2 Working with MLX90614 Configurator Insert a MLX90614 thermometer in the ZIF socket see Fig 4 1 Make sure that module benchmark coincides with the mark on the PCB The software can be launched from Start Programs Melexis MLX90614 Configurator 390129061401 Page 5 of 23 User Manual Rev 004 Jan 2008 USER MANUAL M e lex 5 MLX90614 Evaluation board Microelectronic Integrated Systems The Configurator automatically recognizes the module type address and voltage supply Fig 5 1 The status LED is shinning GREEN Fig 5 1 If there is no thermometer module inserted on the EVB or the module is not a MLX90614 the user will be notified Fig 5 2 Click the button OK The main panel looks as shown in Fig 5 3 x 4 1 Melexis sensors cannot be found Fig 5 3 IF a module is put incorrectly the user will be notified Fig 5 4 x There has an wrong placed IR module in the Evaluation Board socket Communication is unavailable Do you want to proceed anyway e Fig 5 4 Note that the buttons Power off and Refresh are alternating The MLX90614 Configurator gives the opportunity to connect a few MLX90614 modules in a network Fig 5 5 Note that if in a network both 3V MLX90614Bxx and 5V MLX90614Axx modules are present currently only the 3V modules will be available 390129061401 P
7. lex 5 MLX90614 Evaluation board Microelectronic Integrated Systems 4 2 Connecting the EVB90614 evaluation board To connect the evaluation board 1 Unbox and unwrap the board and set it on a non conductive surface near the host system 2 Connect the USB cable supplied in the kit to an open USB port on the host system or a USB hub connected to the host system and to the USB connector on the board The LED will shine in BLUE 3 EVB90614 evaluation board is HID compliant device so a special USB device driver is not needed except when using Window 98 amp 98SE 4 Check the board connection This can be done from Start Settings Control Panel System Hardware Device Manager Fig 4 2 mm File Action View Help gt mla 4 Computer a Disk drives B Display adapters He DYDICO ROM drives H Floppy disk controllers cee Floppy disk drives i Human Interface Devices fk HID compliant device H E IDE ATAJATAPI controllers i Fig 4 2 5 Getting started with MLX90614 Configurator 5 1 MLX90614 Configurator overview The MLX90614 Configurator is a Windows based software application designed to be used with the EVB90614 evaluation board for evaluating Melexis MLX90614 infrared thermometers Using this software features and performance of MLX90614 infrared thermometers can be evaluated All basic configurations of MLX90614 are also supported in user friendly format Configuration is written in EEPROM of each
8. naa E a aE pee AAT aaia AOA a Aai AA Taaa AERAN 11 5 5 Demonstration of SMBus and PWM temperature measuring cccceccceceneeeeeeeeeeeeceaesaeeeeeeeeeeesaaaaaaeeeeeeeeseesaeaaeeeeeeeeessaaassgeeees 12 5 6 Quick customization of MLX90614 thermometers i siesiccciccasiaevicsxcaenetcainnedxdacielacwa dae bausdacan nevanandgunibeannsdaddaddl adel dedeneudavaxtndctasrasexvOecins 15 57 Updating E VBO 14 TWAS ccevcatecossscxciasnena vy annsasanteneaqvasnaesn sexasenissaraatannaasaranauaeaueanet a a 17 5 6 AULOMAalle SMISSIVITY CONMGCN OMe urasi ia a taneueadoncdaaaaahacamaalaneasnes ey E E ON E Saa 19 0 TrOUDE S NOOUNG aaan EE EE EEEE LEE 20 CSCI OT oiai n E E E E E AEE E E TO E 21 APPENDIX A EVB90614 commands Set cccsecceeeeeeeeeeeeeeeeseeeeseneesseseeseaeeeseeeeseneens 21 APPENDIX B EVB90614 SCNEMATICS ccc cececcceeeeceeeeeeeeeeeeeeeseeeeeeueeeeeeeesneeseneesaeeeeas 22 390129061401 Page 2 of 23 User Manual Rev 004 Jan 2008 USER MANUAL M e lex 5 MLX90614 Evaluation board Microelectronic Integrated Systems 1 Introduction The EVB90614 is designed to support MLX90614 infrared thermometer modules The communication between PC and the evaluation board is accomplished by USB The Demonstration Kit contains the following items 1 FS USB demonstration board pre programmed with USB bootloader and demonstration firmware 2 A standard USB cable for use in communicating with the board 3 1 pc MLX90614AA
9. A single zone 5V 4 1 pc MLX90614BAA single zone 3V 5 CD ROM containing the USB HID driver and EVB90614 software The EVB90614 is designed to allow OEMs to configure the MLX 90614 IR thermometer for virtually any application quickly OEMs can quickly experiment with temperature ranges optics etc to find the best IR configuration to meet the application needs Once the best configuration is established low volume OEMs can easily configure IR modules for their own use For high volume OEMs Melexis can supply special configured modules ready to install into the customer s application Please contact IR Sales at Melexis for quotations The EVB90614 allows engineers to customize the MLX90614 for high accuracy IR measurements in an R amp D or Laboratory setting 2 Host computer requirements To communicate with and program the EVB90614 evaluation board the following hardware and software requirements must be met e PC compatible system e An available USB port e CD ROM drive for use with the accompanying CD e Microsoft Windows 98 Second Edition 98SE Windows 2000 Desktop or Windows XP Note 1 EVB90614 is HID USB device and will require no drivers on PCs that support HID class USB devices except Microsoft Windows 98 Second Edition 98SE Check www melexis com for most recent release of the software 3 Installing the software As an USB device the demonstration board requires very little effort to install Most of the work
10. Term of Sale Melexis makes no warranty express statutory implied or by description regarding the information set forth herein or regarding the freedom of the described devices from patent infringement Melexis reserves the right to change specifications and prices at any time and without notice Therefore prior to designing this product into a system it is necessary to check with Melexis for current information This product is intended for use in normal commercial applications Applications requiring extended temperature range unusual environmental requirements or high reliability applications such as military medical life support or life sustaining equipment are specifically not recommended without additional processing by Melexis for each application The information furnished by Melexis is believed to be correct and accurate However Melexis shall not be liable to recipient or any third party for any damages including but not limited to personal injury property damage loss of profits loss of use interrupt of business or indirect special incidental or consequential damages of any kind in connection with or arising out of the furnishing performance or use of the technical data herein No obligation or liability to recipient or any third party shall arise or flow out of Melexis rendering of technical or other services 2006 Melexis NV All rights reserved For the latest version of this document go to our website at www mele
11. USER MANUAL M e lex 5 MLX90614 Evaluation board Microelectronic Integrated Systems MLX90614 Single and Dual zone Infra Red thermometer Evaluation Board EVB90614 User Manual 390129061401 Page 1 of 23 User Manual Rev 004 Jan 2008 USER MANUAL M e lex 5 MLX90614 Evaluation board Microelectronic Integrated Systems Table of Contents TOO UCU ON sseni nEaN EnEn ERTER EENAA AEAEE ERENER EERE 3 2 Host computer requirements siciccsasinteninccausnmetcnsiceneucceacedetescedeevieetcatbenieenecdinddetesdacesmnencks 3 3 INSlalng ME SONWANE esirin rn E Ea A REE REE EEEE 3 4 Getting started with MLX90614 evaluation board 11cssscceneccnensenenscnnsnenensenensenenssnenes 4 4 1 MLX90614 evaluation board overvieW scipiccacencepsteraxvienereatninnelaxexeieoebiciSieeanesaniaibiern beeestesdaalanexedenidinigeleeaomeciaiiaunepessaxpiasetaweeeeinaciads 4 4 2 Connecting the EVB90614 evaluation board 2 0 0 0 ceeeeeeeeeeee cece nee eee cece ee eee seas eee ee enna sede aan eens essed edad eee eeeesasaaaaanaeeeeseessaaaaaaeeeeees 5 5 Getting started with MLX90614 Configuratot ccccsesccccennesesnenneneseenenssnsenenseneenenssnenaans 5 5 1 MLX90614 Contig rator OM Coco nascent cae etedintaainaeecci Cae dean adie tee het se suneccneestecisd ate auaddecneibics tales deine ERa aAA EEANN ai 5 5 2 Woikng wih MLXGO6 14 COMMGMIALON acessa a aa 5 53 Mea ON of MLXJ0G T4 MOJE S ressissaad EE aa E 8 34 Manual Sending CONAN S siriani EnaA na ai EATE AAA DAO
12. VB90614 firmware For possible future upgrades of the EVB FW a bootloader is programmed into the EVB MCU This makes possible for the user to load updates into the EVB using the same software This can be done by two ways Updating EVB90614 firmware method 1 1 Start MLX90614 Configurator 2 Push the button Advanced from the main panel Advanced window is opened Fig 5 22 pio PWM 10 1 gee Fig 5 22 3 Push the button Upload HEX A warning message appears Fig 5 23 i gt J X You are going to change the software which manage the Evaluation Board 4n uploading of incompatible HEY file can make the Board unusable Are You sure Yes Ho Fig 5 23 4 Click Yes and in a new browse window to find the firmware file will appear select the correct file and click button Open Fig 5 24 Look in _output gt F o fale Fe My Recent Documents Desktop Cvs FIRO90614EVMLX hex My Documents My Computer Bia File name My Network Files of type Binary file hex Places I Open as read only Fig 5 24 390129061401 Page 17 of 23 User Manual Rev 004 Jan 2008 USER MANUAL M e lex 5 MLX90614 Evaluation board Microelectronic Integrated Systems Wait until a message box appears Fig 5 25 xi P 1 Upload successful Fig 5 25 Close this window The EVB90614 board is updated and ready for work If an incompatible file is loaded warning mess
13. age 6 of 23 User Manual Rev 004 Jan 2008 USER MANUAL M e lex 5 MLX90614 Evaluation board Microelectronic Integrated Systems E MLX90614 Configurator version 2 00 05 I we Console Fig 5 5 Note 3 When more than one module is connected on the bus an error message see Fig 5 4 will be shown Note that this doesn t mean mandatory that there is incorrectly put module but the user is encourages carefully to check the modules before click button Yes Note 4 If in a SMBus network there is a module with address zero it will be not reported A module with SMBus address zero will be reported if it is the only one connected to board Also modules with the same SMBus addresses connected to the network will cause conflict on the bus when operation reading is done Note 5 It is strongly recommended to save factory default EEPROM of every new MLX90614 before doing anything else with it See below how to do that Note6 schematics for PCBs to attach multiple modules using connector 1 can be found on page 20 Main panel description Turn off module power supply Power off Re start system to refresh information about the modules Retresh Opens Console Utility window for manual sending of commands See Appendix A for commands set Opens Configuration uploader window for quick replication of MLX90614 infrared modules configuration i Opens Advanced window from which user can upgrade EVB fir
14. ages will appear Follow these messages to load a compatible file Updating EVB90614 firmware method 2 1 Close MLX90614 Configurator 2 Press and hold the button start on the board 3 Press and release the button reset on the board 4 Release the button start After these steps the board is manually entered in bootloader mode The LED is turned off 5 Start MLX90614 Configurator The following message appears Fig 5 25 xi The communication with the Evaluation Board is disabled J due to activated bootloader mode IF you think that this is hapenning because of uploaded incompatible HE file press OK to upload a new HEY file mes Fig 5 25 6 Click OK and follow step 4 in method 1 390129061401 Page 18 of 23 User Manual Rev 004 Jan 2008 USER MANUAL M e lex 5 MLX90614 Evaluation board Microelectronic Integrated Systems 5 8 Automatic emissivity compensation This option allows automatic emissivity compensation in a MLX90614 when an object with emissivity lower than 1 is measured Most materials have an emissivity close to 1 and a correction is not needed This routine can also be used to compensate for IR windows or IR lenses one wants to place between the object and the sensor in order to protect the sensor or make changes in the FOV This can only be successful if one takes care to keep the window or lens at the same temperature as the sensor The emissivity compensation will be active for all ambient and obje
15. commands are described in APPENDIX A The console utility is provided for extended functionality All read configure write as well as measure log data operations can be done without this utility 390129061401 Page 11 of 23 User Manual Rev 004 Jan 2008 USER MANUAL M e lex 5 MLX90614 Evaluation board Microelectronic Integrated Systems 5 5 Demonstration of SMBus and PWM temperature measuring From the main panel push the button Measure The Measure utility window is opened Fig 5 13 MIx906144B 0x54 Measure utility 13 2 14 2 15 2 16 2 17 2 182 19 2 20 2 21 2 22 2 Fig 5 13 Note 9 If the used module is single zone only two thermometers will be present on the screen Fig 5 14 MIx906144A4 0x54 Measure utility Fig 5 14 Push the button Start to start temperature measurement With the MLX90614 configured in PWM mode the PWM output depends on the ranges written in EEPROM These ranges 390129061401 Page 12 of 23 User Manual Rev 004 Jan 2008 USER MANUAL M e lex 5 MLX90614 Evaluation board Microelectronic Integrated Systems are automatically read and filled in the Min Max boxes on this screen An example is shown on Fig 5 15 MIx9061444 OX5A Measure utility P W M Tol Fig 5 15 In the field Measure period the user can make the measuring faster or slower Max and Min fields permit user to change graphic scales When the measurement is started and Do log field is tick
16. croelectronic Integrated Systems MiIz906144A6 0254 Configuration utility 62R2 C801 F iB 1APC 005A O000 Fig 5 9 Note 7 Bits lt 3 gt lt 13 11 gt and lt 15 gt of ConfigRegister1 EPROM address 0x05 can t be changed from this window because contains a specific information They can be changed only using the command we see 5 4 Manual sending commands Note 8 Do not write SMBus address 0x00 in any module when you make a sensor network because reading this module will cause all devices on the network to reply This will result in confusion on the SMBus Click button Read to read the complete EEPROM memory Starting the SW or clicking Refresh after Power Off will automatically read the EEPROM too Click button Write to write changed EEPROM cells Factory calibration values will not be altered Writing EEPROM cell is automatically preceded by erasure Click button Save file to save EEPROM in a bin file Refer to Fig 5 10 Click button Load file to load a bin file If the loaded bin file is to be written into MLX90614 EEPROM a Write must be clicked afterwards Refer to Fig 5 11 Save in o Melexis O 2 em Look in e Melexis O 2 em Pe Pe Mlx90614 Configurator J A MPT My Recent RSComm My Recent RSComm Documents TH8100 OTP Programmer Documents TH8100 OTP Programmer Desktop Mlx90614 Configurator MPT Desktop My Documents My Documents z Fr Fr My Computer My Computer
17. ct temperatures measurable by the thermometer but will have the highest accuracy at the object and ambient temperatures used during the calibration To determine the emissivity it is necessary to know the object temperature accurately This can be done by either using a contact thermometer or by painting part of the object black with thin layer of high temperature paint The real temperature can then be measured with the MLX90614 pointing at the painted area and the emissivity can be determined with the MLX90614 pointing at the unpainted area lt is assumed that the MLX90614 sensor has the same temperature as the area Surrounding the object and sensor The calculation of the emissivity correction is highly sensitive to this temperature The EVB can heat up the sensor 1 2degrees For this specific measurement it is advised to mount the sensor away from the EVB and make the SMBus interface using connector 1 on the EVB see figure 4 1 The emissivity coefficient is calculated using the formula Tomeas Ta Ke _ Toreal Ta Where Tomeas the object temperature measured from MLX90614 Ta the ambient temperature measured from MLX90614 Toreal the real object temperature The automatic emissivity correction option is available from Advanced gt Emissivity The K Emissivity correction window appears Fig 5 27 inviting the user to enter the real temperature Toreal of the object Push OK button to start the measure
18. ed data will be acquired in a log csv file If the SMBus mode is selected the following RAM registers will be logged in the log csv file See MLX90614 datasheet for more information e Ambient sensor data SMBus RAM address 0x03h e IR sensor 1 data SMBus RAM address 0x04h e IR sensor 2 data SMBus RAM address 0x05h e Linearized ambient temperature Ta SMBus RAM address 0x06h eLinearized object temperature IR1 Togy SMBus RAM address 0x07h eLinearized object temperature IR2 Togye SMBus RAM address 0x08h lf PWM mode is selected logged data will depend on the chosen PWM structure Every time a measurement is started the log file is continued with the entire EEPROM saved as new heading row Note 10 In Regional and Language Options available from Start Settings Contro l panel list separator need to be and decimal symbol in order to get the CSV log file opened in an easy to use form in EXCEL Note 11 Note that the CSV log file is the same for all measurements there is not a separate file for every module that is measured To change the temperature measuring unit C F or K and to relocate the log csv file 390129061401 Page 13 of 23 User Manual Rev 004 Jan 2008 USER MANUAL M e lex 5 MLX90614 Evaluation board Microelectronic Integrated Systems 1 Click the button Advanced from main panel 2 Click the button Options available in Advanced window 3 From Software settings
19. he user wants to configure MLX90614 modules of different versions It is recommended to use this option as it provides additional safety a 3V module would not be subjected to overvoltage stress unintentionally When long series of MLX90614 modules need to be configured with the same configuration the Quick upload option might be preferred In this case the user must initially choose the module voltage supply manually in the field below the button Quick upload See Fig 5 18 or Fig 5 19 and push the button Quick upload In this case the software does not make module power supply verification so the time of module configuration is reduced Tick SMBus increment field if you want the SMBus address field to be incremented automatically Note that in both cases the users cannot enter the SMBus device address And indeed this is not necessary because the software automatically uses address 0x00 which is universal address for all MLX90614 devices The users must realize also that when using the Configuration uploader window only one MLX90614 device should be present or all devices in the network are changed If you work in a network and want to change the configuration of a specific module in the network use Configuration utility window see 5 3 Configuration of MLX90614 modules 390129061401 Page 16 of 23 User Manual Rev 004 Jan 2008 USER MANUAL M e lex 5 MLX90614 Evaluation board Microelectronic Integrated Systems 5 7 Updating E
20. is done by the operating system The software is installed simply by running the file setup exe The software will be installed in a separate Melexis directory and can be accessed from Start Programs Melexis MIx90614 Configurator Note 2 If your version of Windows does not support the HID USB devices you might need to install USB driver check Www melexis com for such driver 390129061401 Page 3 of 23 User Manual Rev 004 Jan 2008 USER MANUAL M exi 5 MLX90614 Evaluation board Microelectronic Integrated Systems 4 Getting started with MLX90614 evaluation board 4 1 MLX90614 evaluation board overview 1 2 3 4 5 6 7 Dr een avo 2 teo Biol i Os CN1 USB E OO0 O oo 6 olf O LF Ke fa Dannes Vdd PWM S S N SEE 97 0 ee eb eee Fig 4 1 Top view of evaluation board is shown on Fig 4 1 The main elements include 1 Extension connector 70553 0003 from www molex com allowing additional MLX90614 modules to be connected to SMBus Connector pin description pint SCL Vz pin 1 is marked on the plastic body of the connector pin2 PWM SDA pins Vdd pin4 Vss 2 ZIF socket for MLX90614 3 Button next 4 Button start 5 Button reset 6 RGB status LED 7 USB B Receptacles The EVB90614 board receives its power supply only from the USB cable Bus Powered Device External power supply source is not needed 390129061401 Page 4 of 23 User Manual Rev 004 Jan 2008 USER MANUAL M e
21. ment of Tomeas and Ta and the calculation of Ke The sensor must be looking at the object at that moment K Emissivity correction x Enter vour temperature measurement For the object Cc Fig 5 27 390129061401 Page 19 of 23 User Manual Rev 004 Jan 2008 USER MANUAL M e lexi 5 MLX90614 Evaluation board Microelectronic Integrated Systems After the measurement finishes the following window appears Question n xi Proposed k Emissivitw is 1 0000 which measures Tallec 23 9 what do you want to do Save the proposed K Emissivity and Finish the operation Restore the original values Fig 5 28 Choose one of the proposed options If the temperature difference between Ta and Toreal is lower than 5 C a warning appears Fig 5 29 Question eee x For a proper calibration it is highly recommended to increase the difference between othe sensor s ambient temperature and the real object temperature Do You wank ko continue anyway 6 Troubleshooting If the USB communication with EVB90614 fails or the MLX90614 Configurator hangs close the program push the button reset on the board the LED must shines BLUE and launch the program again 390129061401 Page 20 of 23 User Manual Rev 004 Jan 2008 USER MANUAL M e lex 5 MLX90614 Evaluation board Microelectronic Integrated Systems 7 Disclaimer Devices sold by Melexis are covered by the warranty and patent indemnification provisions appearing in its
22. mware dynced change measuring unit of the temperature scale and relocate the log file g Opens current EVB90614 User Manual It is recommended to check aia www melexis com for updates and related documents 390129061401 Page 7 of 23 User Manual Rev 004 Jan 2008 USER MANUAL M e lex 5 MLX90614 Evaluation board Microelectronic Integrated Systems Opens Configuration utility window used for configuring MLX90614 infrared thermometers Opens Measure utility window for temperature measurements Beo fe Show which EVB is active more than one EVB can be connected to the one PC 5 3 Configuration of MLX90614 modules From the main panel push the button Config Configuration utility window is opened Fig 5 6 MIx906144B Ox5C Configuration utility MIx906144B Ox5C Configuration utility 20 28 PWM SMBus Relay PWM SMBus Relay Thermo relay SMBus address Save file SMBus address Oxsc Save file 7 x 26 00 PWM mode Load file PWM struct Tol PWM period repititions 0 PWM mode single D Load file PWM struct Tol a PWM period repititions PWM period ms 1 024 PWM period ms PWM pin configuration Open drain PWM pin configuration Open drain F LR filter ms 141 631 LLR filter 0 100 F LR filter ms 141 631 LLR filter 100 K Emissivity 1 0000 K Emissivity 1 0000
23. st of settling time available via embedded in MLX90614 digital filter Slower settling comes with less noise e R filter drop down list of available values for impulse limit 100 passes all impulse 50 cuts impulse magnitude in half via embedded in MLX90614 IIR filter Note that the settling time depends on both FIR and IIR filters settings Some options are available from the drop down menu while other must be typed by the user For example to change the object temperature range double click on To min or To max field and type the new range To change between PWM and SMBus mode double click on PWM SMBus Relay field and select from the drop down menu the desired option Fig 5 8 PWM SMBus Relay Pia M pwm strut Thermo relay Fig 5 8 Note that when the Thermo relay option is selected the fields To max and To min change in Hysteresis and Threshold respectively Fig 5 7 Hysteresis adds to threshold on each side Trip points will be Threshold Hysteresis for rising temperature and a aaa for decreasing temperature Tick to view the full EEPROM memory in hexadecimal view Fig 5 9 Note that only highlighted cells are accessible by the user see MLX90614 datasheet for more information and Note 7 All other EEPROM cells contain factory calibration values and are protected against erase and writes 390129061401 Page 9 of 23 User Manual Rev 004 Jan 2008 USER MANUAL M e lex 5 MLX90614 Evaluation board Mi
24. tronic Integrated Systems The window PWM detached measurement module is opened Fig 5 19 20 Fig 5 19 All settings must be entered manually by the user In Slowdown field user can write value between 0 and 100 Bigger value in this field will make the thermometer readings slower and easier 5 6 Quick customization of MLX90614 thermometers Push the button Uploader on the main panel The Configuration uploader window is opened Fig 5 20 This window is very similar to Configuration utility window but here the user cannot change the EEPROM Click the button Select EEPROM to open the window Open EEPROM file See Fig 5 11 Browse to select the desired EEPROM configuration file and click the button Open The chosen EEPROM configuration is loaded Fig 5 21 Tick to view the full EEPROM memory in hexadecimal view if desired Configuration uploader Configuration uploader xj T col SMBus osa S pmst O P pmst m P 2 Fig 5 20 Fig 5 21 390129061401 Page 15 of 23 User Manual Rev 004 Jan 2008 USER MANUAL M e lex 5 MLX90614 Evaluation board Microelectronic Integrated Systems The user has two choices to load an EEPROM configuration in a MLX90614 module e Upload e Quick upload When the Upload button is pushed the software automatically checks the module power supply before writing the EEPROM memory of the module This process takes some time This option is useful when t
25. window choose the desired settings Fig 5 16 x General Options Type of the temperature scale Celsius Location where the log file is stored C Documents and Settings user My Documentsilog csv Select file OK Fig 5 16 Thermo Relay option can be simulated with MLX90614 Configurator For example let choose Thermo Relay option in the Config window and set the following parameters Threshold 27 C Hysteresis 1 C Let open Measure utility window Fig 5 17 and press the button Start The Thermo Relay output should be in logical 0 if the object temperature is bellow 26 C how it is shown on the Fig 5 17 When the object temperature become above 28 C the Thermo Relay output is switching over in logical 1 Fig 5 18 Min and Max fields show min and max temperature threshold by which the Thermo Relay output will switch over in logical 0 and 1 respectively Note that the module is indeed in SMBus mode by SMBus Request command and the shown below pictures show how the real Thermo Relay output should keep itself Fig 5 17 Fig 5 18 To use EVB90614 with modules with fixed PWM output no SMBus access is available the following option can be used 1 Click the button Advanced from main panel 4 Click the button PWM M available in Advanced window 390129061401 Page 14 of 23 User Manual Rev 004 Jan 2008 USER MANUAL M e lex 5 MLX90614 Evaluation board Microelec
26. xis com Or for additional information contact Melexis Direct Europe Africa Asia America Phone 32 1367 0495 Phone 1 603 223 2362 E mail sales europe melexis com E mail sales usa melexis com ISO TS 16949 and SO14001 Certified 390129061401 Page 21 of 23 User Manual Rev 004 Jan 2008 USER MANUAL M e lex 5 MLX90614 Evaluation board Microelectronic Integrated Systems APPENDIX A EVB90614 commands set 1 Read MLX90614 RAM address Syntax rr address Operands 0 0x0 lt address 31 0x1F 2 Read MLX90614 EEPROM address syntax re address Operands 0 0x0 lt address lt 31 0x1F 3 Write MLX90614 EEPROM address syntax we address value Operands 0 0x0 lt address lt 31 0x1F 0 0x0 lt _ value lt 65535 0xFFFF 4 Restart MLX90614 turn off turn on module power supply Syntax rt Operands no operands 5 Send Request switch to SMBus mode Syntax rq Operands no operands 6 Capture PWM Syntax cp Operands no operands 390129061401 Page 22 of 23 User Manual Rev 004 Jan 2008 USER MANUAL M e lex 5 MLX90614 Evaluation board Microelectronic Integrated Systems APPENDIX B EVB90614 schematics Note that the components marked Optional are not populated They are assumed to give the user the option to develop his own applications with the board
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