Universal Trip Computer (UTCOMP-3
Contents
1. Height 20 mm Width 120 mm Depth 83mm Height 29 mm Features amp Requirements To activate following features of the UTCOMP some signals have to be connected What kind of signal for each function is required shows the table below You should connect only what are you interested with You do not have to connect all signals date and time battery voltage voltmeter alerts travel time 7 5 power supply service amp inspection with reminder x2 for motohours customizable user screen s splash screen text or bitmap temperatures inside outside oil engine user 1 user 2 o f temperature sensor 3 for each digital sensor alerts for temperatures customizable e g black ice alert se f analog NTC or digital DS18B20 1 for each analog sensor engine oil temperature warnings etc vehicle speed real time velocity average maximum distance travelled mileage acceleration and deceleration measurement with user vehicle speed signal VSS defined ranges ref to section 2 4 6 trip meter for off road normal reverse freeze modes service amp inspections with reminder x4 for milage speed limit alert current fuel consumption for PB ON fuel consumption signal average fuel consumption for PB ON ref to section 2 4 5 travel cost reg from group III trip summary full support for vehicles with LPG system signal from LPG electrovalve or injector independent measurements of2. car actually have not a VSS sensor you can always assembly additional hall sensor with magnets O I have car with diesel engine does fuel consumption function will work A If there is a signal in the car that represents the injection time voltage pulse where pulse width is the time of injection assuming a constant fuel supply pressure so it will work Injection times or pulse width should decrease with increasing engine speed idling Such a signal is found in most diesel engines with unit injectors or common rail You should look at the ECU or the fuel injection pump controller for such a signal Diesels with mechanical injection pump on the cable certainly do not have such a signal Latest common rail engines also does not have such signal but in most cases you can measure fuel consumption from injector control signal signal converter may be required and from fuel pressure sensor 50
3. LPG binary signal recommended This type of signal inform UTCOMP about current fuel type low state OV petrol high state 3V and more Ipg It can be signal from LED indicator or from LPG electrovalve This solution is recommended for most vehicles with 4th generation of LPG system 2 LPG injector control signal This solution is recommended only for vehicles with factory LPG system single ECU for petrol and Ipg In this case at pin A10 is connected petrol injector control signal and at pin A11 is connected lpg injector control signal Only single injector should be controlled at the moment Working injector indicate UTCOMP about current fuel type Both injectors should be controlled the same method both PWM or both PWM Common ECU guarantee that signal at pin A10 will not appear when there is already signal at pin A11 2 5 Graphic display LCD or OLED Kit includes a graphical display with a resolution of 122x32 pixels for UTCOMP 3 and 256x64 pixels for UTCOMP PRO The display must be connected to the UTCOMP using a dedicated ribbon tape The tape has a special key so that it cannot be wrong side connected Standard tape length is 60cm for UTCOMP 3 and 100cm for UTCOMP PRO To properly run the display should be connected before power is connected to the device Due to the huge variety of mounting preferences of users the display is supplied without housing there is possibility to buy enclosure too Take special care during insta
4. and fuel cost per liter or per gallon You can change fuel cost by long pressing SW3 and following screen instructions If you have car with LPG system than you can provide fuel costs for PB and LPG separately 33 3 5 4 Screen 4 Trip meter for off road Trip meter for off road measure accurate distance in meters with fast and easy way to reset readings short SW3 reset DIST long SW3 reset TOTAL Button SW2 switch modes normal reverse freeze NORMAL MODE FREEZE MODE LCD 2 5 UTCOMP 3 34 3 5 5 Screen 5 Fuel tanks The fuel level in tanks is visualized on the screen If the car does not have LPG than only one tank is shown PE at oe ELPC LCD 2 5 UTCOMP 3 on the left OLED 3 2 UTCOMP PRO on the right 3 5 6 Screen 6 Measurement of acceleration deceleration Acceleration measurements are made automatically For example if you want to measure vehicle acceleration 0 100kmh you should e stop the vehicle e press SW3 button reset measurements 8 e go measurement will start automatically LCD 2 5 UTCOMP 3 3 you don t have to press SW3 when you measure decelerations UTCOMP upon detection of the first pulse vehicle moved will start counting the time Take a look that you do not have to move immediately after resetting the measurements When the vehicle reaches the desired speed level then counter stops Measurement accuracy depends on resolution of vehicle speed
5. outside inside oil engine battery voltage level fan cooler state on off date and time Press SW3 to switch between battery voltage engine temperature icon represents also fan state and oil temperature tte E 21 ad 12 140 Ta TP we wer OLED 2 3 display UTCOMP 3 3 5 2 Screen 2 Tacho Available information vehicle speed current fuel consumption travelled distance estimated distance to refuel fuel left in fuel tank vehicle mileage and time For vehicles with LPG there is also additional icon on the center of the screen indicating current fuel type p petrol g Ipg Press SW2 to switch between options displayed in bottom left corner Long press SW3 will jump to menu for statistics reset OLED 2 3 UTCOMP 3 on the left OLED 3 2 UTCOMP PRO on the right Following diagram on the next page shows resetting sequence dla TACHO SETTINGS long press SW3 on tacho screen 1 Update tacho tank OPTION 1 Fully tanked up How many YES tanked up Refuel to maximum capacity of fuel tank Reset tacho distance consumption Quantity of fuel in fuel tank will be updated YES distance and avg fuel consumption will be reseted NO distance and avg Fuel consumption will not be reseted THE END save settings and back to tacho screen 2 Change fuel quantity in fuel OPTION 2 How many fuel is in fuel tank 3D Act
6. controller exhaust temperature from EGT controller fuel level gear indicator etc Adc1 Adc2 Adc3 Adc4 and Adc5 are high impedance buffered inputs you can connect voltage signals from any analog sensors assembled in the vehicle Adc1 Adc4 are 0 5V range Adc5 input is 0 30V AdcVcc1 and AdcVcc2 inputs have built in divider with pull up to 5V so you can connect to them any additional resistance sensors e g NTC temperature sensors resistance pressure sensor fuel level sensor etc UTCOMP measures voltage drop directly at resistance sensor Please note you should NOT connect any factory vehicle sensors to AdcVcc inputs factory sensors are already powered from vehicle installation in this case connect voltage signal to any of Adc1 Adc5 inputs In UTCOMP application you can associate each sensor with appropriate analog input so connection order does not matter For all analog inputs you can activate oscilloscope real time voltage drawing on chart and set dedicated alerts e g to low oil pressure to high boost pressure to high engine oil temperatures AFR outside safe range to high EGT etc 2 4 9 LPG System There are two solutions for connecting LPG signal 1 binary signal or 2 Ipg injector control signal In both cases appropriate signal should be connected at pin A11 UTCOMP auto recognize current fuel type petrol lpg and do independent measurements distance and fuel consumption for both modes 20 1
7. pin MOLEX connector UTCOMP PRO has a 24 pin and 12 pin MOLEX connectors The kit comes with a plug with cables to solder Pay special attention to the numbered pins All cables used to be install must be the dedicated automotive FLRY recommended 0 35 0 5 mm cross section with insulation resistant to mechanical damage abrasions cracks etc All connections must be effectively soldered and hotair shrink insulation unconnected wires too First you need to solder all the needed wires to the pins and only then connect the plug to the socket device Before the first connecting plug to the device make sure that the appropriate signals have been soldered to the corresponding pins of the plug Connect the LCD OLED display before connecting the 24 pin connector di 2 2 Pinout Connectors pinout module side Plugs pinout wire side kakos iel Connector A UTCOMP and UTCOMP PRO Connector B UTCOMP PRO LE emo E ES ae EN DS18B20 A DA signal S18B20 D DO signal 811 DS13B20 C DA signal B7 B8 DS18B20 A GND DS18B20 B_GND DS18B20 D_GND DS18B20 C_GND D B11 DS18B20 D VCC 45V OUT DS18B20 C VCC 45V OUT DS18B20 B DO signal A A fe pen Ao Ce Ma gt Pear gt pr Mes Be 13 14 A B_ Dar pr Pa A 20 5V 21 12 2 3 Pinout description i r_rrrre1 rTrTr AA EEC EEE output for digital temperature sensors 3 wires for each sensor keep out for power supply r
8. signal e g accuracy is O 1s for VSS constant lt 0 2 m imp The screen displays the currently set intervals and current speed measurements Refreshing parameters on the screen are slower and less accurate than measurement procedure User can set the ranges of accelerations decelerations in which the measurement will be made via UTCOMP application 3 5 7 Screen 7 Oscilloscope Oscilloscope allows real time observation of constantly varying voltage on Adc1 Adc5 and AdciVcci AdcVcc2 inputs You can active this function for each channel in advanced settings Settings gt Advanced gt Oscilloscope You can set label and voltage range for each channel Press SW2 to switch between inputs Oscilloscope on OLED 2 3 UTCOMP 3 on the left and OLED 3 2 UTCOMP PRO on the right Typical applications are signal from lambda 02 sensor oscillations between lean and reach mixture boost pressure chart threshold position sensor or any other voltage signal changing in time 36 3 5 8 Screen 8 Clock Dedicated screen with clock will be useful if you assembled display in place of factory watch On the bottom are displayed also two temperatures outside and inside the vehicle Press SW3 to change current font 3 5 9 Settings screens There are two groups of settings e user preferences settings language clock etc to access this group of settings you should press and hold SW1 button e calibrati
9. will recalculate average fuel consumption displayed in tacho screen Please check also tips for calibration on the next page 2015 04 02 15 35 41 Read data from device 28 TIPS for calibration e for accurate calibration it s recommended to make longer distance o tank to full remember to set proper tank capacity before o reset statistics in tacho screen distance and average fuel consumption by long pressing SW3 and follow display instructions o travel long distance at least 100 km or miles you don t have to do it single trip o refuel to full and calculate real average fuel consumption from distributor data o make correction using Measurement Correction function in UTCOMP application e displayed readings are recalculated by UTCOMP each time you change vss and injection constants Please note that if you change VSS constant than UTCOMP will also recalculate average fuel consumption because travelled distance have changed e you can calibrate vehicle speed with tachometer generally it has 10 mistake vehicle s odometer and GPS Most users calibrate it with vehicle s odometer in this case utcomp s mileage will cover vehicle s mileage and current speed will be more accurate than speed displayed on tachometer but less accurate than speed from GPS e it is very important to set appropriate type of fuel consumption signal in UTCOMP application Settings gt Configuration gt Vehicle Data if you
10. 3 5 2 Screen 2 Tacho 3 5 3 Screen 3 TRIP daily counter 3 5 4 Screen 4 Trip meter for off road 3 5 5 Screen 5 Fuel tankS 3 5 6 Screen 6 Measurement of acceleration deceleration 0 3 5 7 Screen 7 Oscilloscope 3 5 8 Screen 8 CIOCK Loco 3 5 9 Settings ScCreensS e 3 6 Review of other fUuNCtions 3 6 1 Headlights reminder 3 6 2 Inspection Service 3 6 3 Travel COSTS coco 4 en TL RARI OS 3 6 5 Alerts 36565 MAP SUMMA sais sie eee A A RR Garg EN I DA LN Gate EN ASN DA LAN KA RUN ee ee ale dae bes eles ae LAN Gag A DEL NAN pees 36 7 UNI tSEKAN GE HERAN ARI ERIN RESA 3 6 8 Battery Voltage Voltmeter risoo iaia iaia ea 3 6 9 Useri defined screens Gi Rae ae e eni 3 6 10 Adjusting bright Kes a na ne NN O aa 3 6 111 Adjusting COMEFASE a ilaria A A LN NN AN ON Aa 3 06 12 Data LOG Gerri incest Se iii alibi oriana he RO i Pi Rena 347 Settings deVice parameter Sisirin ee DR UN NN cia 3 7 1 Configuration parameters ih A Elon 37 27 USEF preferensi mun II ORA IRA RI alan 3 73 SCFEEN SERI NGS cas ri ae ep 3 7 4 Advanced Attachments 4 1 APPENDIX A 4 2 APPENDIX B 4 3 APPENDIX C SEREM GS nie ERA LR eV RR ORO A ae aa hu tia aie Analog temperature sensors NTC calibration i Troubleshootin
11. Advanced Vehicle Data Engine Fuel consumption signal VSS const Injection const PB ON Fuel tank capacity Inputs Outputs DigInHC pin A21 DiginFc2 pin A11 DiglnUser pin B7 DigOutUser pin BO Adc1 0 5V pin AS Adc2 0 5V pin A9 Adc3 D 5V pin B2 Adc4 0 5V pin B3 Adc5 0 30V pin B9 AdeVec1 5V pin A20 AdcVcc2 5V pin B8 petrol gas vy 4cylinders PWM controlled by GND 0 2000 m mp w 0 00350 1 60 1 LPG tank capacity headlights with reminder LPG electrovalve signal 12V LPG OV PB not connected disabled lambda 02 sensor oil pressure sensor not connected not connected not connected temperature sensor NTC 1 Inot connected Injection const LPG 4 FrFOSOSOOOFr SO 2015 04 02 13 36 47 Read data from device 24 3 2 First start in the vehicle If the installation was performed correctly it you can connect main 24 pin connector to the device Previously connect the LCD OLED connector When you turn the ignition key the display should illuminate and show the splash screen The welcome screen is displayed for 2 seconds then displays the default user screen varies depending on the preferences selected in the settings If you connect UTCOMP with no signs of life please read the section Troubleshooting APPENDIX B Then we can go to check the readings from individual sensors checking connections Th
12. Pulse signal is strongly disturbed Check the connection if connected to a valid signal If connections are okay check the signal on an oscilloscope and contact technical support e VSS constant was incorrectly entered in the device settings Calibration must be performed e Incorrect injection constant was introduced in the device settings Calibration must be performed e Incorrect fuel consumption signal connected to UTCOMP or incorrect fuel consumption signal configuration PWM FREQ 47 During acceleration the fuel consumption is decreasing instead of increasing One of the digital sensors does not show temperature NTC temperature sensor readings are incorrect When inside the car is very hot cold the contrast in the LCD display significantly increases decreases UTCOMP application is not working e Reverse type of fuel consumption signal If in UTCOMP application type of fuel consumption signal has been set to controlled by GND then select controlled by e Wrong type of fuel consumption signal PWM FREQ In most cases PWM signal should be choosen e the temperature sensor is not connected e the temperature sensor is connected incorrectly e defective damaged temperature sensor Check the connections according to the documentation installation If correct replace the sensor e incorrect characteristics approximation of the NTC Approximations must be performed again and introduce n
13. REVERONIES Universal Trip Computer UTCOMP 3 amp UTCOMP PRO User amp assembly manual OTTO ME UTI FFA Last update 2015 09 11 www REVELTRONICS com Please read this manual carefully before device using Contents 1 Technical data and requirements o oo oo oo o mo mo mommy 5 2 Assembly manual Lo mmm 11 2 1 General A NALI ANELLO ERARIALI AR RARA A I RO AR A AE RAR ERRATO I RI RO e 2 3 Pinout descriptions ARR iS DAS Y LAG AIT ana an ila ea ai 201 POWER SUPP ta Pan NN A NN NN AR RU NN UN UN BAR UN NS an 2 4 2 KEYBOARD A A A AAA A A AAA deve saan 2 43 BUZZER A A A A A A A il 2 4 4 TEMPERATURE SENSORS DS18B20 iii id ilaele ca 2 4 5 FUEL CONSUMPTION SIENA TERI TAM RE 24 6 N5S Vehicle Speed Sigmall dae A i 2 47 HEADLIGHTS or FAN COOLER an an ba Ann A na KAN ega MASA i 2 4 8 ANALOG SENSORS Ade and AACVEC INPUtS iri aa 2 419 EPG System E VO VO DN BNN NBL ARENA 2 5 Graphic display LCD Or OLED ea Aoa aan RR RU Nan NU NON Puan an 2 6 Additional instructions for assembly ascoli ea 3 User manual Jaana 3 15 QUICK Sta Ei paa piine 3 2 First start in the vehicle 3 3 Calibration of speed and fuel consumption 3 3 1 Initial calibration 3 3 2 Accurate calibration achieving accuracy better than 1 0 WWW oom mean 3 4 Menu navigation oo oo oma 3 5 Overview of screens and related functions 3 5 1 Screen 1 Temperatures
14. W GND 15 2 4 3 BUZZER PIN19 BUZZER_VCC PIN7 BUZZER_GND 2 4 4 TEMPERATURE SENSORS DS18B20 Kit includes two UTCOMP 3 or four UTCOMP PRO digital temperature sensors DS18B20 Each sensor has 3 terminals GND GROUND DQ SIGNAL AND VCC POWER SUPPLY O a a gt BOTTOM GND Pay special attention to the outputs it is easy for mistake changing side wires and burning the sensor if mistake is done then nothing may be displayed on the screen Isolation wire leads are recommended using hotair shrink insulation In UTCOMP 3 application you can associate sensors with 1 please take a look at short video tutorial https www youtube com watch v R8Z66gtYowA 16 temperatures so connection order does not matter For inside temperature sensor we recommend to place it in the place of free heating air sun rays etc For outside temperature sensor we recommend to place it ahead cooler in a low place or at the bottom of side mirror The correct placement of sensors is a key influence on subseguent accuracy of the actual temperature 2 4 5 FUEL CONSUMPTION SIGNAL Injector control signal PWM or dedicated fuel consumption signal PWM FREQ connect to pin A10 There are few places when you should looking for these signals it depends on engine type Petrol engines e option 1 directly on the injector connector two pins should be in there or more in case of mono inj
15. age and inspection function should be set in UTCOMP application If it is less than 1500 km mil or 10 hours than reminder screen appears for 5 seconds with information how many km mil or hours left to inspection If inspection label is set it will be also displayed You can reset inspection in user settings mode long press SW1 or directly from UTCOMP application You can preview next inspection by pressing any button during splash screen 38 3 6 3 Travel costs It is possible to calculate travel costs in TRIP screen For calculation are used average fuel consumption in trip screen distance and fuel price per liter or per gallon 3 6 4 Black ice alert You should have outside temperature sensor connected In the case of temperature below two degrees the outside temperature icon will change snow instead of clouds You can also set custom alerts below user threshold ref to section 3 6 5 3 6 5 Alerts It is possible to set custom alerts for all temperatures battery voltage distance to refuel speed limit and signals from analog inputs boost pressure oil pressure AFR EGT It s fully customizable thresholds min max value hysteresis alert mode display or display sound etc Examples of typical application e black ice alert set alert mode below minimum level set min level for 2C and hysteresis for 3C When temperature drops below 2C user will be notified with sound alert and appropriate info on
16. are logging simultaneously at a constant interval time e g every 1 sec There s possibility to import all recorded data and save it to external csv file This type of file can be opened e g in Excel or OpenOffice where you can make visualization charts for these parameters Logger recording when ignition is on and speed or cur cons are greater than zero yv Interval logging 10 parameters simultaneously every 1s data from 3h y Bank 0 timestamp Bank5 temperature oil Bank 1 travel time Bank6 pressure oil y Bank2 speed Bank7 EGT CH1 Bank 3 battery voltage Y Bank8 disabled X Bank 4 temperature engine v Bank9 disabled v Import data from UTCOMP PRO Save data to csv file 42 3 7 Settings device parameters Important device parameters can be entered from the screens To change all parameters of the device in a convenient way connect the USB cable to the device you can left usb cable led out in car in an accessible place and run the UTCOMP application on your PC How to run and manage the program is explained in Section 3 1 From the application you can change all device settings There are few groups of settings o configuration parameters o user preferences o screen settings o inspection service settings o alerts configuration o advanced settings All important settings are stored in non volatile memory so after a power failure disconnected from battery UTCOMP does not lose these setting
17. distance amp fuel consumption ref to section 2 4 9 for PB and LPG with auto recognition of current fuel supply reg of groups III amp IV fuel level in fuel tank s req of groups III IV V differential estimated distance to refuel measurement or fuel level signal low fuel level alert configurable measurement from sensor e headlights reminder for the vehicle in traffic signal from headlights relay i e dimmer 2 modes of brightness e g day night ref to section 2 4 7 signal from fan cooler relay e fan cooler status on off 1 ref to section 2 4 7 from fuel consumption signal some petrol engines or signal from RPM hall sensor e boost turbo pressure alerts real time chart pressure sensor 1 for each sensor e oil pressure alerts real time chart voltage or resistance type e lean reach real time chart from 02 sensor signal from 02 lambda sensor e air fuel ratio AFR alerts real time chart signal from wideband 02 controller e exhaust temperature EGT alerts real time chart signal from EGT controller req of groups III amp IX measurement gear indicator from gear ratio or signal from gear O 1 position sensor e data logger function available only in UTCOMP PRO e es 10 2 Assembly manual IMPORTANT Read the following instruction before installing UTCOMP The warranty does not include damage caused by improper installation 2 1 General remarks UTCOMP 3 has a 24
18. e first button SW1 on the keyboard is used to move between successive screens A long press SW1 is will take you to the user mode settings A long press SW2 1s will take you to the configuration settings mode Next long press SW1 will return to the main screen Start the engine Indications speed and fuel consumption will not show correct values yet the device should be calibrated first Go to the configuration settings mode long press SW2 and then to the screen DIAGNOSTICS short press of SW1 will jump to the next screen The screen shows the main readings associated with the fuel consumption signal INJ and speed signal VSS When the engine is running injection times should be counted ms while the pulses imp from the speed sensor should not increase When we move the vehicle the display should show increasing pulses value i If it not happen than make sure that you have proper signals connected and there s correct configuration for fuel consumption signal ref to section 2 4 5 Please note that readings are displayed for each fuel separately you can switch between PB LPG ON by pressing SW2 If the injection time ms and VSS pulses imp are counted then we can proceed to calibrate readings of speed distance and fuel consumption 5 In case of vehicles with LPG you should choose engine type petrol Ipg in UTCOMP settings in UTCOMP application 25 3 3 Calibration of speed and fuel consumption In ord
19. ection When the engine is ON one pin is 12V constant signal the other one is pulse signal 12V 0V PWM injectors GND controlled Pulse signal should be connected to pin A10 of UTCOMP sample waveform is shown below e option 2 to the appropriate pin in the ECU connector injector control pinout for ecu connector can be found in electrical documentation wiring diagrams of the vehicle Petrol engines with LPG e option 1 to the appropriate pin in the ECU connector petrol injector control pinout for ecu connector can be found in electrical documentation wiring diagrams of the vehicle You should not connect directly to injector connector because there is no signal when engine is running on Ipg 17 Diesel engines In diesel engines you should looking for dedicated fuel consumption signal PWM or FREQ Usually it is called as Trip Computer TC fuel consumption signal or less specific instrument panel signal multifunction display mfa etc Remember some diesel engines do not have such signal Feel free to contact us if you have problems with locating such signal we will try to help e option 1 to the appropriate pin in the ECU connector e option 2 the signal may be often located on the injection pump connector e option 3 in most cases appropriate signal can be found in instrument panel connector e g in TDI HDI DTI TDDI etc note CAN signal is not supported e
20. er to calibrate speed and fuel consumption readings two constants have to be set e VSS constant expressed in meters per pulse m imp e injection constant expressed in liters per second l s Calibration assistant built in UTCOMP application will help you calculate these constants 3 3 1 Initial calibration To calculate these constants go to the configuration screens long press SW2 and to the DIAGNOSTICS screen This screen displays counted injection time and pulses from vehicle speed distance since last reset for current fuel type Long press third button SW3 will reset displayed values for current fuel type In order to calibrate you should e reset displayed values in DIAGNOSTICS screen it will reset also current readings of traveled distance and fuel consumption in tacho screen e reset displayed distance on the vehicles s odometer or in GPS navigation e go for test drive UTCOMP will be collecting data It s recommended to travel at least few kilometers or miles in reference to distance displayed on the vehicle s odometer or GPS however there is no time amp distance limitation UTCOMP may collect data for a few days e g since refuel to refuel 6 units can be changed in UTCOMP settings from UTCOMP application Settings gt Preferences gt Units 26 You can end calibration process at any time Run UTCOMP application click Help button and go to Calibration Assistant tab You can import collected da
21. everse connection VCC GND can damage sensor AdcVcc input for resistance sensors pull up to 5V from UTCOMP e g temperature sensor NTC resistance pressure sensors etc DigInFc1 A10 input injector control signal PWM OV 12V or OV 5V or fuel consumption signal PWM FREQ DigInFc2 A11 input signal from the LPG system e g status LED indicator or electrovalve OV OFF petrol 3 12V ON Ipg or RPM signal from hall sensor Pico 2 4 Wiring diagram t8V 432V DC BATTERY Jasngngbig BUZ C DS D DS A DS B DS HOLIMS NOILIN I ERAS IGNITION SW iq UTCOMP v3 td OV PEY FEY CIV ITA CELTA Ei DP z2py Kzanapy UE OHUIB0 CAS HOLIAS MS HILS TAS HOLAS VEHICLE GROUND BATTERY 14 2 4 1 POWER SUPPLY Pin A24 connect to 12V 24V BAT and pin A23 to 12V 24V ignition switch voltage occurs when the ignition key is turned on Pin A12 connect to the vehicle ground GND The power line is already protected with 0 63A fuse built in UTCOMP so additional fuse is not necessary PIN12 GND ayy PIN24 12V BAT AMADO BATTERY J 12V ignition ON IGNITION SWITCH 2 4 2 KEYBOARD Kit includes three button keyboard You should solder 4 wires to keyboard from UTCOMP A1 A15 A3 A14 PIN14 SW 3 PIN3 SW 2 PIN15 SW 1 PIN1 S
22. ew fixed settings in UTCOMP e LCD contrast is set optimally for the temperature range from 10 C to 40 C The contrast can be adjusted from user preferences settings e NET Framework out of date You need to install NET Framework 4 0 free download from Microsoft 48 4 3 APPENDIX C Frequently Asked Questions FAQ In the previous chapter the table shows examples of issues and possible solutions maybe there you find a solution of your problem In this chapter there is a supplement in the form of frequently asked questions Q What is the minimum required number of connections to run UTCOMP in the car A Absolute minimum are three power signals 12V 24V battery 12V 24V ignition and vehicle ground Once they are connected UTCOMP should work and display information on the display To switch between screens connect a keyboard Connecting the next signal will activate more features Q Can I use my own buttons or keyboard A Yes You can use any mono stable buttons Please note Buttons are powered from UTCOMP 5V and pressing button shorts line to ground Q Can I use my own display e g a different color or size A UTCOMP 3 is compatible with all graphic displays with a resolution 122x32pix based on the controller NJU6450 SED1520 and related UTCOMP 3 works also with OLED displays with SSD1305 driver UTCOMP PRO is compatible with all OLED displays with a resolution 256x64pix and SSD1322 controller Q Is it pos
23. ge Voltmeter By default battery voltage is displayed on Temperature screen shared area with engine and oil temperature switched using SW3 There is possibility to calibrate voltage readings in UTCOMP application Settings gt Advanced gt Voltmeter 40 3 6 9 User defined screens In UTCOMP application you can define your own screen You can decide what to display in each place screen In UTCOMP PRO there are four user screens different templates In UTCOMP 3 there is available single user Here is an example of configuration user screen for UTCOMP 3 and UTCOMP PRO user 1 has template from tacho screen E utTcome UTCOMP Settings Help Configuration Preferences Display Service Inspection Alerts Advanced General User 1 User 2 User 3 User 4 u can set general display settings and configure user screens in tabs below 7 User defined screen 1 UTCOMP UTCOMP PRO UR region current fuel consumption DR region Y distance distance to refuel fuel quantity clock mileage average fuel consumption current fuel consumption velocity battery voltage temperature outside E temperature inside temperature engine E temperature oil temperature user 1 F distance F distance to refuel fuel quantity E clock F mileage Y average fuel consumption current fuel c
24. gi inziale Frequently Asked Questions FAO cuasi RR Ra 1 Technical data and requirements Universal Trip Computer UTCOMP developed and manufactured by REVELTRONICS is an on board computer designed for wide range of vehicles It takes information from main sensors then process data and sends to LCD or OLED screen with user friendly interface Technical parameters e power supply from 12V or 24V installation safe range 8 32V DC e power consumption in standby mode 4 12mA 12V typ 8mA 12V e power consumption in idle mode 40 500mA 12V depends on used display brightness connected sensors etc e operating temperature 40C 85C e LCD operating temperature 20C 70C recommended 10C 40C e OLED operating temperature 40C 85C e digital temperature sensors measurement range 55C 125C accuracy 0 5C resolution 0 1C e vehicle speed accuracy 1km h or mph calibration possible e acceleration measurement accuracy 0 1s for VSS constant lt 0 2 m imp e fuel consumption accuracy 1 for petrol engines 2 for petrol gas engines 1 3 for diesel engines calibration possible e sampling time of real time fuel consumption average from 1s 2s or 3s e sampling frequency from analog sensors 50Hz e analog sensors measurement accuracy 0 1 V e voltmeter accuracy 2 range 0 1V calibration possible e supported units km km h 1 100km 1 h km l mil mph mpg Celsi
25. inj constants Fimware v3 0 0 Hardware v3 for speed distance and fuel consumption measurements e update for devices with previous version of firmware UTCOMP connected v3 0 4 UTCOMP software can be downloaded from manufacturer page technical support tab the same application is for UTCOMP 3 and UTCOMP PRO 23 Click Settings button Appropriate dialog should popup similar to that shown in the screenshot below The program should read the settings from the device Some options are dedicated only for UTCOMP PRO so in UTCOMP 3 may be inactive You can save settings to the device by clicking Settings gt Save settings to UTCOMP or using shortcut CTRL S Success information will be displayed in status bar All important settings are stored in non volatile memory the device remember the settings even after a power failure You can set engine settings before assembling Other functions left default at the moment Default settings can be loaded any time from Settings gt Restore default settings or using CTRL ALT R shortcut If the device has communicated with a PC and can read and save new settings it means that the device is working properly and you can proceed to its assembly Prior to installation thoroughly read the assembly instructions Chapter 2 EN uTcome UTCOMP Settings Help Configuration Preferences Display Service inspecion Ners
26. llation Do not use any glues or substances that can conduct electricity If you use two component epoxy adhesives avoid electrical pads Before connecting the display wait until the glue completely dries evaporate moisture The display can be freely located in the car it all depends on the user imagination and dexterity The most frequently used locations are around the center console dashboard or in the instrument panel Display should be assembled in a visible place as close as possible driver s eye level Avoid selection of direct sun and very warm places LCD contrast and refresh rate is optimized for 10 40C temperature range OLED is characterized with about 180deg view high contrast and refresh rate in wide range of temperatures 40C 85C You will find many examples of assembly on our webpage 3 There are two version of UTCOMP 3 LCD and OLED Sio Ia 2 6 Additional instructions for assembly The most important notes are given in Chapter 2 1 Notes of the LCD OLED assembly are given in Chapter 2 4 Additional assembly guidelines are listed below e before connecting the signal to the device make sure you connect the appropriate cable check the signal with a multimeter or oscilloscope warranty does not cover damage caused by unprofessional and improper installation e while connecting disconnecting the plug wires do not pull the cables only for housing e before installing plan ahead component locations central unit keyboa
27. m device Y 2 3 3 2 Accurate calibration achieving accuracy better than 1 Accurate calibration is based on comparing real distance and fuel consumption values with values displayed on UTCOMP You will calculate percentage difference and make correction of constants Start UTCOMP application click Help and Measurement Correction tab In order to calibrate speed and distance E urcomp 2o B X readings you need to enter distance counted by UTCOMP and real distance traveled by the vehicle Type also current VSS constant and click UTCOMP Settings Help Calibration Assistant Measurement Correction Calculate Rewrite and save fixed VSS constant to device settings UTCOMP will recalculate Spain O counted distance displayed in tacho screen Distance in UTCOMP Real distance In order to calibrate fuel consumption readings Cument VSS const you need to enter average fuel consumption counted by UTCOMP and real average fuel Fixed VSS const 02301 imps consumption you can calculate it using data Fuel consumption correction displayed on fuel distributor measured on the Fi dig Fi ion i 7 5 1 100kn same distance Type also current injection LEIS ER CONE i Real average fuel consumption 7 9 ey 1 100kn constant and click Calculate Rewrite and save a Curent injection const 0 00320 Recalc Fixed injection const 0 00337 fixed injection constant to device settings UTCOMP
28. make mistake here than fuel consumption will not work or will be not accurate In most petrol engines it will be PWM In most diesel engines with dedicated fuel consumption signal it will be PWM rarely FREQ signal o when you accelerate current fuel consumption should increase if it decrease than you have probably inverted signal swap with o when you braking with engine release gas pedal at higher rpm than current fuel consumption should be equal to zero or almost zero 29 3 4 Menu navigation The device can be controlled using 3 buttons keypad Depending on the currently selected screen functions of the buttons may vary Button 1 SW1 short press go to the next screen long press 1s change display modes screens reading screens user settings mode Button 2 SW2 short press action depends on the currently displayed screen long press 1s configuration settings mode Button 3 SW3 short press action depends on the currently displayed screen long press reset settings specific to the currently displayed screen 3 5 Overview of screens and related functions Available screens and templates are described in the following sections Please note that data display methods may vary due to used display type and user configuration There is possibility to active or deactivate each screen personalize user screens and change units 30 3 5 1 Screen 1 Temperatures Available information temperatures
29. nsor hall sensor magnets described in other manual can be downloaded from our webpage Below is an example of a pulse signal from the VSS sensor vehicle pushed v 15 0 13 5 12 0 10 5 9 0 7 5 6 0 45 3 0 15 0 0 ms 0 10 20 30 40 50 60 70 80 90 100 In most latest cars instead of speed sensor there is signal sending from ABS control module or from instrument panel signal will be the same as this one at the picture above There is a small percentage of vehicles that have electronic fuel injection and do not have the speed sensor In this case the sensor can be installed yourself in the gearbox if the manufacturer predicted such possibility or assembly the usual hall sensor option 6 19 2 4 7 HEADLIGHTS or FAN COOLER In order to activate the signaling function of the radiator fan OR headlight reminder appropriate signal 12V when the fan headlights is turned on OV when turned off should be connected to pin A21 After assembling appropriate option should be chosen in UTCOMP PC application cooler state info or headlight reminder 2 4 8 ANALOG SENSORS Adc and AdcVcc inputs UTCOMP 3 supports 3 analog inputs Adci Adc2 AdcVcc1 UTCOMP PRO supports 7 analog inputs Adcl Adc2 Adc3 Adc4 Adc5 AdcVcci AdcVcc2 Example of use analog temperature sensors NTC boost pressure from MAP MAF oil pressure sensor lambda 02 sensor AFR readings from wideband 02
30. on settings vss constant injection constant diagnostics to access this group of settings you should press and hold SW2 button To back to main screens you should press and hold SW1 button again Short press of SW1 switches to next screen In the user preferences mode you can change only the most important options all options can be configured from a PC application such as language brightness contrast auto disable time preview reset inspections date and time settings da 3 6 Review of other functions 3 6 1 Headlights reminder At the stage of assembly decide what signal would you like to connect at pin A21 a signal from headlights or fan cooler If you choose headlight reminder function you should connect appropriate signal from headlights relay 12V headlights on OV headlights off If vehicle speed is greater than 10 km h or mph and headlights will not be turned on the screen will show a message Turn headlights on and you will be additionally informed with sound signal from buzzer The screen will disappear only when you turn on headlights or you press any button this way reminder is deactivated until next ignition switch 3 6 2 Inspection Service There is a possibility to set inspection service reminder how many kilometers or miles left to service eg oil change or how many hours left to service Up to 4 different inspections can be set for distance and up to 2 inspections for moto hours Mile
31. onsumption velocity battery voltage temperature outside temperature inside temperature engine 7 temperature oil temperature user 1 2015 04 02 16 01 11 Read data from device Top regions UL and UR are single choose Bottom regions are multi choose DL and DR press SW2 and SW3 to switch between options 41 3 6 10 Adjusting brightness You can change the brightness of LCD OLED display To do this go to user preferences settings long press SW1 and then to adjust brightness screen short press SW1 Adjusting the backlight intensity can be done with a threshold at about 1 2 By default the display brightness is set at 80 There is possibility to set day amp night modes in UTCOMP application dimmer function based on signal from headlights 3 6 11 Adjusting contrast You can change the contrast of LCD display To do this go to user preferences settings long press SW1 and then to adjust contrast screen short press SW1 Adjusting the contrast intensity can be done with 1 10 steps By default the LCD contrast is set to 7 10 It s recommended to set contrast in ambient temperature 20C than it should be optimal for range of 10C 40C OLED display does not require contrast adjust 3 6 12 Data Logger Function is available only in UTCOMP PRO You can record up to 10 parameters and store it in internal memory Parameters
32. option 4 in cars with PD injectors e g 1 9TDI PD signal can be taken directly from appropriate pin in the ECU connector PD injector control but most these engines have dedicated fuel consumption signal fuel consumption measurement will be more accurate with dedicated signal Please note In every case search for PWM pulse width modulated or FREQ frequency pulses signal controlled by the GND or 12V Sample waveform is shown above Pulse width for PWM signal or pulse quantity for FREQ signal should be proportional to the current consumption In most cases injector control signal will be PWM controlled Dedicated fuel consumption signal will be PWM controlled rarely FREQ but this is no rule Later you will need to set type of signal in UTCOMP settings In latest diesel vehicles with CAN system generally since 05 there is not available dedicated fuel consumption signal Most diesel engines from 1994 to 2004 with electronic injection pump or common rail have such signal There is also alternative method for common rail engines without fuel consumption signal there are two important requirements e possibility to measure fuel injection timing from injector max 150V amplitude e possibility to measure fuel pressure signal from fuel pressure sensor it s located on common rail tube connect to Adci or Adc2 inputs and set input configuration as fuel pressure sensor diesel common rail 2 piezoelectric injectors wi
33. r mounting and e To low contrast on LCD display connecting UTCOMP in the e Defective display tape vehicle LCD display Set LCD contrast to 7 10 in UTCOMP application illuminate but shows Change display tape if adjusting contrast not fixed the problem nothing USB communication is not e USB communication error working Please hard reset UTCOMP module disconnect main power supply for at least 5 minutes USB should not be connected during this time After 5 minutes connect main power supply UTCOMP will beeep for about 0 5s it means that it have been successful restarted On next step you can connect USB to PC and device should be already recognized 46 UTCOMP does not count the time of injection UTCOMP does not count pulses of the road does not show the speed The car does not move but the display shows some speed value Speed indications are incorrect Fuel consumption indications are incorrect e No fuel consumption signal at input or wrong settings type of fuel consumption signal PWM FREQ plus gnd controlled Please check the connection if signal appears at the input of UTCOMP and check fuel consumption type configuration e No pulses from VSS sensor e Defective VSS sensor in the car Please check the connection whether a signal from the speed sensor comes to the input of UTCOMP when the vehicle moves e Incorrect signal from speed sensor pulses e Connected signal is invalid e
34. rd display temperature sensors having regard to the length of wires e it is recommended to mount the unit with a USB cable connected to the UTCOMP and lead the USB cable outside possibility to change the device parameters from a PC at any moment protect USB connector e g with pendrive connector housing e you can connect UTCOMP to PC using USB cable and pre configure it before assembling details described in next chapters e if you connect UTCOMP outside the vehicle do NOT connect it directly to car battery charger there s required DC voltage in range of 8V 32V 22 lt 3 User manual 3 1 Quick start Initial start up can be performed before assembly in order to check the device and its initial configuration Connect the device using the USB 2 0 cable to the PC Windows should detect new hardware and automatically install the drivers Next download install and run the UTCOMP application If the device is working properly the status window will display UTCOMP connected v3 x There are five main tabs in the left menu ones UTCOMP Settings Help Information about device e information about device software version firmware version and Universal Trip Computer UTCOMP hardware version Copyright 2012 2015 REVELTRONICS Al rights reserved REVETRONICS e current readings from inputs outputs Version e device settings Software v3 0 0 e help calibration assistant is used to calculate vss
35. s A copy of configuration is done for each turning off ignition 3 7 1 Configuration parameters The most important group of settings related to the configuration of the vehicle Without proper configuration performance of certain function may be incorrect In this group you can change the following settings e engine type fuel type number of cylinders e type of fuel consumption signal PWM FREQ ground controlled or plus controlled e vss and injection constants if car is equipped with LPG then injection constant is different for PB and for LPG usually the injection constant for LPG is 10 20 higher than the injection constant for PB e tank capacity enter the actual volume which you are able to refuel 43 e I O configuration settings of additional signals and sensors connected to UTCOMP 3 7 2 User preferences In this group you will find settings associated with the user preferences such as language key press sound current fuel consumption average time sleep mode configuration units change welcome screen text or bitmap acceleration deceleration thresholds 3 7 3 Screen settings In this group you will find settings associated with displaying data such as default start screen trip summary display time auto disable display time dimmer settings two modes of brightness activation deactivation each screen configuration of user screens 3 7 4 Advanced settings In this group you will find se
36. screen you can set display time Second alert will threshold only if temperature raises over hysteresis 2C 3C 5C and next drops again below 2C e alarm for high engine oil temperature set alert mode above maximum level set max level e g 100C with 5C hysteresis e alarm for to high to low battery voltage charging e alarm for over boost to high pressure from turbo e alarm for to low oil pressure e alarm for AFR out of the safe range e alarm for to high exhaust temperature EGT e speed limit warning for exceeding speed limit e and other All alerts can be configured from UTCOMP application Settings gt Alerts 39 3 6 6 Trip summary After each trip summary screen will be displayed with traveled distance trip time fuel consumption and cost You can change time for how long screen will appear 0 180s For vehicles with LPG summary calculations include both fuel types Trip summary on OLED 3 2 UTCOMP PRO 3 6 7 Units change There is possibility to change units of velocity fuel consumption and temperatures Distance can be displayed in kilometers or miles Speed can be measured in km h or mph Fuel consumption can be measured in 1 100km and I h liters per hour or in mpg miles per gallon and gph gallons per hour Temperatures can be displayed in Celsius or Fahrenheit degrees Units can be changed in UTCOMP application Settings gt Preferences gt Units 3 6 8 Battery volta
37. sible to upgrade the firmware on the device A Yes if a newer firmware version will be released to the hardware version of UTCOMP Q Where can I find my hardware amp firmware version of UTCOMP A Hardware and firmware version are displayed in the first screen of UTCOMP settings In addition both are displayed in the UTCOMP application when the device is connected via USB cable 49 Q Where to find the signal from the VSS speed sensor A If you have an electronically controlled counter e g on cable the easiest and fastest way is to check whether such a signal is connected to the radio socket some radios have the option volume up with increasing speed the ISO pin no 1 designated generally as VSS Vehicle Speed GALA GAL etc Another place where this signal is for sure in case of an electronically controlled counter is a tachometer instrument cluster output is usually marked on the diagram as VSS Vehicle Speed Speed1 Speed2 etc If you have a mechanical counter with the cable the signal is to be found in the ECU socket marked as Vehicle Speed Sensor VSS or take a signal directly from the speed sensor which is mounted in the gearbox of the vehicle sensor has three terminals power ground and the pulse signal Q My car has no speed sensor what can be done A Even some cars with a mechanical counter on the cable have the speed sensor located in the gearbox its signal is fed to the ECU However if the
38. ta from UTCOMP or rewrite it manually they are displayed in DIAGNOSTICS screen First step is to calculate VSS constant which is responsible for speed and distance readings Type real distance travelled by the vehicle displayed on odometer or GPS and click Calculate In order to calculate injection constant which is responsible for fuel consumption readings UTCOMP Settings Help type average fuel consumption on the same Calibration Assistant Measurement Comection distance you can use information from you calculate vehicle s user manual at this moment and hese values are ne orthe prope click Calculate Enter and save calculated metric km 1 100km constants in UTCOMP configuration Settings gt Configuration gt Vehicle ered in the s Data Import Congratulations You have just finished Type pen notaio VSS 85018 Sud Load calibration data i aa from UTCOMP Type distance traveled measured since stats reset initial calibration was not so hard was it f Calculat If you would like to achieve better accuracy H SS stant 0 227 Im Amp of readings we recommend to do accurate Kelam imime calibration described in next Chapter Type total injection timing 271085 ims Type distance traveled 10 2 es km 2nd fuel type Type average fuel consumption on distance 85 1 100m PG _Calcuate Injection constant 0 00320 ky l s 2015 04 02 14 51 43 Read data fro
39. th 2 pin connector are compatible for electromagnetic 2 pin injectors you will need additional signal converter e g CR PWM 18 2 4 6 VSS Vehicle Speed Signal The pulse speed signal VSS connect to pin A22 There are few places when you should looking for speed signal option 1 some vehicles have a VSS signal in the ISO socket of the radio function volume up with increasing velocity generally pin 1 in socket A called as SPD GAL VSS etc option 2 in most cases speed signal can be located in instrument panel connector marked usually as speed1 speed2 vehicle speed etc take a look in the vehicle s electrical system documentation for the signal connector from tachometer pinout option 3 if vehicle is with electronic injection system VSS signal can be found at the ECU connector even for vehicles with tachometer on cable check ECU pinout electrical system documentation which pins to select option 4 connect straight to VSS sensor which you can find in a gearbox body The sensor can be two pins power and VSS signal or three pins additionally the GND wire is connected Connect to the pin on which there is a pulsed signal 0 12V when the car is moving usually few pulses for one turn of the wheel option 5 if your car is equipped with ABS than required signal can be found in one of the ouputs of ABS control unit option 6 if your car definitely does not have VSS signal than you can install universal speed se
40. ttings associated with additional sensors amp analog signals oscilloscope settings sensors calibration voltage calibration clock calibration temperature sensor configuration gear indicator configuration rpm settings etc 44 4 Attachments 4 1 APPENDIX A Analog temperature sensors NTC calibration In order to properly display the temperature from the NTC sensor approximate of the characteristics by an exponential function of the form U T A e t TO where T calculated and displayed by the device temperature A t TO constants U read the voltage level from the sensor preview is available in UTCOMP application gt Readings You need to know characteristics for the sensor a few points a temperature in function of resistance or voltage Here you can find spreadsheet which will help to calculate these constants http reveltronics com downloads adds NTC xls Please visit also our forum where you can find parameters for some sensors calibrated by other users 45 4 2 APPENDIX B Troubleshooting Each unit is tested by the manufacturer The following table lists examples of issues and possible solutions problem possible solution After mounting and e No power supply connecting UTCOMP in the e No power at ignition vehicle display shows e Defective display tape nothing e Defective display e Burned fuse You should also check whether the UTCOMP is communicating with a PC via USB Afte
41. ual amount will be displayed Actual quantity of fuel in the fuel tank can be changed or not Notes for the diagram e you can jump to reset menu from screens tacho fuel tanks and user screens e if you connect fuel level signal than you do not need to enter fuel quantity e if you do not enter fuel quantity and do not connect fuel level signal than two functions will not work properly estimated distance to refuel and fuel level in fuel tank average fuel consumption will still work e for vehicles with LPG displayed sequence is for current fuel type UTCOMP measure distance and fuel consumption separately for PB LPG 3 5 3 Screen 3 TRIP daily counter Measurements in TRIP are independent from measurements in TACHO You can reset trip at any moment Trip screen consist of T1 and T2 subscreens press SW2 to switch between them Available information on T1 and T2 e T1 amp T2 travel time e T1 amp T2 distance e Ti amp T2 average fuel consumption e Ti average speed e T1 maximum speed e T2 travel cost e T2 fuel quantity used in liters or gallons Hold SW3 to reset TRIP statistics or to change fuel cost LCD 2 5 UTCOMP 3 on the left OLED 3 2 UTCOMP PRO on the right Tip for vehicles with LPG trip measured fuel consumption is averaged from petrol fuel consumption and Ipg fuel consumption 7 travel cost calculation is based on average fuel consumption from trip screen
42. us Farentheit bar psi volt e communication with PC via USB 2 0 HID UTCOMP 3 vs UTCOMP PRO Compatible displays Digital inputs Digital outputs Analog inputs 0 5V high impedance Analog inputs 0 30V high impedance Analog inputs with 5V pull up for resistance or NTC sensors Digital temperature sensors Total no of temperatures Data Logger UTEP LCD 122x32pix 2 5 OLED 122x3 4 4 2 digital 2pix 2 3 2 analog UTE OUP AFRO OLED 256x64pix 3 2 4 6 4 digital 2 analog logging up to 10 parameters Display dimensions mm LCD 2 5 left and OLED 2 3 right for UTCOMP 3 4 0 1 66 54 0 02 P2 54x17 43 18 84002 or 0 02 ZOO FSE 65 7 75 0 80 0 A0 3 tea iji Iles a 12 WITH LED B L a N N Se Se o 8 ip T Z0 0FS6 E La ERA D A o o H 88 2 N NOTE on the bottom side is soldered socket for IDC40 tape Display dimensions mm OLED 3 2 for UTCOMP PRO 100 5 0 2 95 02 89 54 0 2 78 8 V A P0 3x256 0 02 76 78 A A I View direction BL LIT DEHE ZA i TO OP na 81 61 NOTE on the bottom side is soldered socket for IDC16 tape Module dimensions UTCOMP 3 Module dimensions UTCOMP PRO UTEPE UTEP FFD Width 90 mm Depth 65 mm
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