LCU-ONE CAN connected to MyChron4 660 User Manual
Contents
1. incoming part of air F parts of petrol the carburetor injects into the engine A F Stoichiometric parts of air needed to burn Stoichiometric F Speaking about gasoline for example it needs 14 57 parts of air to completely burn a part of gasoline obtaining Lambda value 1 read by the probe LCU ONE controller can detect lambda values in a range from 0 65 to 1 6 free air LAMBDA value lower than 1 means a rich mixture while LAMBDA value higher than 1 means a lean mixture Wide band Lambda probes need to be heated to work properly and not poisoned with exhaust gas LCU ONE controller precisely manages the probe heater so to keep temperature value within the optimum working range Lambda probe used with LCU ONE controller becomes very hot around 700 800 C 1292 1472 F during its working period it is thereby necessary AVOIDING e Touching it e Placing it in contact with flammable stuff or fuel www aim sportline com User Manual Racing Data Power Release 1 03 CTD LCU ONE CAN connected to My 4 660 Chapter 2 LCU ONE and Lambda probe mounting LCU ONE controller should be installed in a flat location and far from heat sources it should be mounted steady using the suited bracket The wiring has to be arranged so to avoid it pressing near to heat sources BOSCH LSU 4 9 lambda probe should be installed on the vehicle exhaust pipe using a specific adaptor that comes with the kit and should be welded on the same2. LCU ONE CAN connected to dyl IImMnARI GOGUAN User Manual Z oo Racing Data Power TD LCU ONE CAN connected to MyChron4 660 Cli oiled User Manual Racing Data Power Release 1 03 INDEX Chapter 1 LCU ONE DeSCTiptiON ccccsseeceseeeeneecensesensesenseseneeeenees 2 Chapter 2 LCU ONE and Lambda probe MOuNMiING sscceeseeeeeeeeenees 3 Chapter 3 Connection to MyChron4 660 ccccssseeeeeseeeeeseeeeeseseeneees 5 Chapter 4 Visualization on MyChron4 660 cccccessesseseeeeeneeseneeeeenees 6 Chapter 5 Data Analysis with QMAD ccccsssseeeceeseeseenseesenseeseeeneees 8 Appendix Part Numbers and technical drawings cssssesessseeees 9 Po AN INN OS se se acre cs ce sere ew se eee be ene se nema pene ewe ceanece neues aaa news ssuwaceneewacas 9 B CUI IG Au CA AVN So xecrereseca aetna ce sere E EE EEE 9 User Manual Racing Data Power Release 1 03 CTD LCU ONE CAN connected to My 4 660 Chapter 1 LCU ONE Description LCU ONE is a lambda controller unit for the wide band BOSCH LSU 4 9 Lambda probe it fits petrol 2 and 4 strokes diesel and methane engines as well as alcohol based fuel engines It is intended to check lambda probe proper working as well as to transmit the Air fuel ratio values providing MyChron4 660 with lambda values through the CAN bus Lambda value is defined as LAMBDA A F A F Stoichiometric Where A
3. M Value EGT Value and Lambda Value After this time the original values will appear again RPM Value EGT Value and CHT Value www aim sportline com CTD LCU ONE CAN connected to My 4 660 User Manual Racing Data Power Release 1 03 LAMBDA VALUE Lambda 1 35 OF LAMBDA Temp wl TEMPERATURE Diasn Sensor OK DIAGNosis This page shows Lambda value Lambda temperature and diagnosis Diagnosis status can be Sensor Ok probe status is OK Sensor Open the probe is not connected to the controller and the circuit is open Sensor Fault short circuit on the wiring www aim sportline com CTD LCU ONE CAN connected to MyChron4 660 User Manual Racing Data Power Release 1 03 Chapter 5 Data Analysis with QMAn During data analysis the presence of Lambda controller adds two channels to measures and laps toolbar as shown in the picture below Lambda shows lambda value reordered during the session Lambda __Temp indicates the probe internal temperature while working OMAn 1 00 04 Time View File Data Personal Selection View Options 2 E Download Configuration Print preview Print Unl pL Test Aun manager C Time View e Time View C 1 1 Sample Data 2 a Sample Data 2 a L w Lambda 1 09 M Lambda_T 2486 98 RPM 3829 664 243 a 131 a 1 10 7 13 15 6 08 E 1 93 1 05 Las Toss Keeli To better analyse carburetor values we would suggest you to show XY diagram
4. e picture below www aim sportline com User Manual Racing Data Power Release 1 03 A TD LCU ONE CAN connected to MyChron4 660 Chapter 3 Connection to MyChron4 660 Connecting Lambda controller to MyChron4 660 the system automatically recognises the peripheral at start up In case the only available peripheral is LCU ONE CAN it can be connected directly to Mychron4 660 through the back connector labelled as EXP PC LAMBDA LAMBDA PROBE CONTROLLER ait 7 ct cs ec Das EXTERNAL BATTERY MYCHRON 4 660 In the following picture LCU ONE CAN is connected to MyChron4 660 through Data Hub the CAN connections multiplier GPS ANTENNA LAMBDA LAMBDA PROBE CONTROLLER l GPS MODULE EXTERNAL DATA KEY DATA HUB Though the system is powered through Lambda controller connected to the battery it is suggested to leave MyChron4 660 internal batteries in the logger Lambda controller switches automatically off when MyChron4 660 is switched off MYCHRON 4 660 www aim sportline com CTD LCU ONE CAN connected to My 4 660 User Manual Release 1 03 Racing Data Power Chapter 4 Visualization on MyChron4 660 In order to visualize the values of lambda on your Mycron4 660 turn the engine on and press gt gt OFF button on your gauge keyboard The values will be visualized with RPM value exceeding 500 3 values will appear on the screen and remain visualized for ten seconds RP
5. of Lambda probe with RPM values on abscissa axle and Lambda values on ordinate axle on the graph In this way a more immediate reading of carburetion status will be available www aim sportline com CTD LCU ONE CAN connected to MyChron4 660 User Manual Racing Data Power Release 1 03 Appendix Part Numbers and technical drawings A Part Numbers Controller LCU ONE Complete kit with Lambda probe X08LCU03K0 BOSH LSU 4 9 Lambda probe XOSLSU490 B Technical drawings CAN HARNESS POWER HARNESS LAMBDA PROBE HARNESS www aim sportline com Cli TD LCU ONE CAN connected to MyChron4 660 es User Manual Racing Data Power Release 1 03 LCU ONE CAN pinout LAMBDA HARNESS CAN BUS HARNESS POWER HARNESS POWER HARNESS red V battery black GND black GND www aim sportline com
6. pipe The probe should be sufficiently near to the engine Probe working temperature should not exceed 900 C 1652 F neither be exposed to the free flame coming from the exhaust system Probe installation angle should be at least of 10 to avoid liquid condensation stuff to come in contact with the probe polluting it Once installed the probe please pay attention not to let the cable pass near to excessive heat sources the exhaust pipe for example BOSCH LSU 4 9 probe auto calibrates no calibration is then required by the user solvents or additives should not be used to clean the probe connector To protect the probe we would suggest removing it from the jr dragster when cleaning the vehicle to avoid polluting the probe with detergents REMINDER never switch the vehicle on with Lambda probe installed and not connected to a correctly working LCU ONE controller a probe not heated and exposed to exhaust gas would be irremediably damaged www aim sportline com Cli TD LCU ONE CAN connected to MyChron4 660 User Manual Racing Data Power Release 1 03 We would suggest installing Lambda controller and the related probe as shown in the following pictures Moreover we advise to install a 10 Ampere fuse in series between the external battery and lambda controller LAMBDA PROBE LAMBDA ai 10 AMPERE FUSE Ar 24 BATTERY MYCHRON 4 660 We would suggest installing the probe in the exhaust pipe se
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LCU ONE CAN connected to MyChron4 660 User Manual