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1. 4 Hi Z injectors wiring example Page 37 17 ISA 4R7 50W NIN 5 4R7 50W ryvvyl 3 4R7 50W vil 4R7 50W aaa 4 Lo Z injectors wiring example SELECTION OF INJECTORS To determine required injector s flow rate you should know the engine s BSFC BSFC brake specific fuel consumption is the amount of fuel needed to generate 1 horsepower per hour For naturally aspirated engines this value is about 5 25cm min while for turbo engines about 6cm min We select injectors flow rate to achieve the expected power with 80 duty cycle DC Fuel injector duty cycle is a term used to describe the length of time each individual fuel injector remains open relative to the amount of time that it is closed and is expressed in Injectors flow rate Horsepower BSFC number of injectors max DC For example for 4 cylinder naturally agitated engine with 150KM power Injectors flow Rate 150 5 25 4 0 8 246 cm min Page 38 GENERAL Fueling e de Injectors wizard Fueling General E General E Injectors phase D Fuel cut e EGO Feedback a Injectors cal Bee tal Barometric corr Enable baro correction C ia VE kable Injectors size 240 cc min General Engine displacement 2000 cc Fueling type Speed density
2. Corrections Final percentage value of fuel dose correction Baro barometric correction Barometric correction used in Alpha N algorithm Warmup warmup value of mixture enrichment in the function of cooling liquid enrichment temperature expressed in percentage ASE Afterstart enrichment Enrichment applied after engine start for given number of engine cycles EGO Exhaust gas oxgen correction according to indications of the Lambda probe sensor correction KS Knock Sensor enrichment in the moment of knock occurrence Correction NITROUS enrichment of the mixture with the activation of nitrous oxide system Page 43 INJECTORS PHASE Fueling B A Injectors wizard Fueling Injectors phase 7 General Fi Injectors phase RA Fuel cut Injectors phase E EGO Feedback Injector 1 Phase Ignition event 1 fall Injectors cal Injector 2 Phase Ignition event 3 Injector 3 Phase Ignition event 4 Injector 4 Phase D Ignition event 2 cg Ignition Injector 5 Phase Disabled CR Knock sensors Injector 6 Phase Disabled G Idle e E W Injector Phase table combines the moment of fuel injection of specific ignition event Ignition events in the engine s work cycle amounts to the number of cylinders In the picture above there is presented the configuration of injectors in the full sequence for the ignition order 1 3 4 2 In case of the wasted spark injector Injector Phase table ma
3. Ignition G Knock sensors H E Idle H F Outputs 4 P Boost el Se Sport E Nitrous D Other a Log a Gi Gauges Engine displacement engine displacement in cm Fueling type selection of algorithm used for calculating fuel s dose Description of algorithms has been presented on the next page Enable baro correction activates real time correction of fuel s dose in the function of barometric pressure The correction is defined in Barometric correction table This function should be used in algorithm Alpha N Injectors size flow rate of the single injector in cm min It is assumed that the number of injectors is equal to the number of cylinders If their number is different you should give the average flow rate for a single cylinder Page 39 SPEED DENSITY The basic algorithm of calculating the fuel dose can be used for turbo engines as well as for naturally aspirated ones It can be characterized by the fact that engine s load is defined by the value of absolute pressure in the intake manifold In this algorithm the fuel dose is calculated as follows PW INJ CONST VE map rpm MAP AirDensity Corrections AccEnrich InjOpeningTime PW pulse width final time of injector s opening INJ CONST a constant for the given size of injectors engine s displacement pressure 100kPa temperatures of the intake air 21 C VE 100 time of injectors opening required to obtain the stoichiometric
4. Trigger edge Falling Secondary trigger is used to synchronize the ignition with the given cylinder and what follows it enables the work in the full sequence of ignition and fuel injection The currently supported system of synchronization is the trigger wheel with one tooth placed on the camshaft Both VR and Hall s optical sensors are supported The selected edge of the signal informs the EMU device that the next trigger tooth will be the ignition event number 1 In case this does not suit the first cylinder we should change the order of ignition outputs in the table of Ignition outputs Sensor type type of sensor on the trigger wheel The choice includes the magneto inductive sensor VR Sensor and the Hall s Optical sensor In the second case you should also activate the Enable pull up option Enable pullup activates the 4 7K resistor between the input and 12V Function is mainly used in case of optical sensors and Hall s sensors which output is usually the open collector Trigger type type of the trigger signal Do not use cam sync do not use the synchronization of the camshaft position sensor 1 tooth cam sync use the synchronization with the camshaft position sensor and trigger wheel with one tooth Trigger edge edge of signal from the camshaft position sensor to which the first ignition event will be synchronized Page 54 Depending on the type of the sensor the scheme of connect
5. 12V Aatl2V QO ON Ko 8 Y VV QO WA ISA M Sample connection of fuel pump Page 71 COOLANT FAN B F Outputs i MG Fuel pump e Coolant Fan fe Tacho output Outputs Coolant fan Activation temperature S Boost Hysteresis SE Sport Output Ch Nitrous Invert output CR Other Turn off during cranking ek ER aauges The support of the coolant fan is performed by the Coolant Fan function Activation temperature temperature of activating the coolant fan Hysteresis hysteresis defines how much the temperature must fall below Activation Temperature to turn off the fan Output name of the output to which we connect the relay controlling the fan Invert output reversal of the output It can be used to test the fan s actions 12V A 12V QO ON Ko 8 FVN QO GN 20A M Sample connection of coolant fan Page 72 TACHO OUTPUT o Outputs 82 Fuel pump Outputs Tacho output PYM 1 Tacho output SS pwm 1 table Boost RPM Multiplier H Se Sport Ch Nitrous 4 Other 7 Log ER Gauges Tacho Output function is used to control the electronic tachometers Based on the engine speed it generates the square wave with the frequency proportional to the RPM Tachom
6. A Te ENGINE MANAGEMENT UNIT USER MANUAL MASTER www ecumaster com ATTENTION ECUMASTER EMU can be used only for motor sports and cannot be used on public roads The installation of the device can be performed only by trained specialists The installation performed by an unskilled person may lead to the damage of both the device and the engine Incorrect tuning of the engine with ECUMASTER EMU can result in a serious damage of your engine Never modify the device s settings when the car is moving because it may cause an accident Ecumaster company is not responsible for the damages caused by an incorrect installation or and tuning of the device To ensure proper use of ECUMASTER EMU and to prevent risk of damage to your vehicle you must read these instructions and understand them thoroughly before attempting to install this unit Page 2 IMPORTANT e The manual below refers to the firmware version 0 986 of the ECUMASTER EMU e Modification of the tables and parameters should be performed only by people who understand the working rules of the device and working rules of the modern injection and ignition systems e Never short circuit the wires of the engine s wiring loom as well as the outputs of the ECUMASTER EMU device e All modifications of the engine s wiring loom must be performed with the disconnected negative terminal of the battery e It is very important that al
7. e Soft Rev Limiter Predefined coils Single Fire Coil P35 0221 504 030 54 25 4 ml i Coil dwell time Coil dwell corr al Ignition vs CLT f l Ignition vs IAT Ei Ignition angle table Hp Knock sensors H E Idle ER F Outputs 1 GT Boost el Se Sport CR Nitrous HX Other Ers Log H D Gauges In the wizard we select the coil model from the list and accept it by clicking the OK button what will cause the filling of Coil dwell time table with appropriate values Page 61 COIL DWELL CORR E e Ignition o Colle dwell wizard Ignition Coil dwell corr O T Primary trigger Secondary trigger Ignition outputs Ignition event trims Soft Rev Limiter al Coil dwell time Hi Coil dwell corr bal Ignition vs CLT bal Ignition vs IAT E Ignition angle table Knock sensors Cj Idle Outputs F Boost GC Sport Y Nitrous lt Other E Log Ka Gauges s o 3 Deet Di Wal ul ra tak E a oO BEE E DU OU 0 60 50 750 1250 2000 2500 3000 3500 4000 4500 5000 5500 6000 6500 7000 7500 RPM 298 Coil dwell corr table is used to correct the coil dwell time in the function of engine s speed IGNITION vs CLT E S Ignition Si Coils dwell wizard Ignition Ignition vs CLT Primary trigger Secondary trigger Ignition outputs Ignition event trims Soft Rev Limiter fal Coil dwell time ba Coil dwell corr Ha Ignition vs CLT ia Ignition vs IAT Z Ignition a
8. thermistors NTC injectors or by the option User defined open a blank column to fill in the values for other sensors not defined in the program Options of specific wizards will be discussed in appropriate sections of the manual Page 16 Paramblock parameters block It is a table in which there are included particular options connected with the configuration of EMU functions Because of this it is possible to set all parameters required for the configuration of the given function Sensors setup V55 and gearbox EIS Sensor type VE Sensor Trigger edge Falling o Speed ratio Gear lrato Gear 2 ratio Gear 3 ratio Gear 4 ratio Gear 5 ratio Gear 6 ratio Ratio tolerance 1 1 1 1 L L 1 23 Paramblock always has two columns while the number of lines may vary from the example indicated above depending on the configured device function In cells of the left column there are descriptions of particular options while in the right column there are its values After clicking on the cell in the right column we get a chance to modify its content this can either be a selection from the list on off option or simply a place to enter the value On the toolbar of this window there are 3 icons described below Open the file with the configuration of the given parameters block Save the file with the configuration of the given parameters block IDE Restore defaul
9. CH D m CO ZU o0 OI 100 110 120 Baro PER co 60 70 ao 0 100 110 20 se The table of barometric correction defines how the fuel dose will change depending on the barometric pressure Used in the ALPHA N algorithm To activate this function you have to mark the Enable Baro Connection option in General options VE TABLE 3 Fueling A Injectors wizard General Injectors phase Fuel cut EGO Feedback tad Injectors cal kal Barometric corr HM VE table E AFR table e Ignition Knock sensors H O Idle y Outputs 4 amp Boost E Ss Sport 9 Nitrous H Other zs El Log Gauges Fueling E table a lag Re EEE VE table is the table of volumetric efficiency for the given load and RPM In case of ALPHA N algorithm the load is defined by the throttle position sensor while in the case of Speed Density algorithm through pressure in the intake manifold Table resolution equals 0 1 VE Page 49 AFR TABLE Fueling ae Injectors wizard Gb General 2 Injectors phase od Fuel cut B9 EGO Feedback fa Injectors cal kal Barometric corr BE VE table EE AFR table E A Ignition H Knock sensors Idle E F Outputs H E Boost D ba Sport E Nitrous 0 Other E Log zx Gauges Fueling AFR table 8000 7500 5500 500 20 30 40 50 70 90 110 130 150 170 190 210 230 250 270 290 Afr Table indicates the d
10. Idle ER F Outputs 4 GF Boost Enrichments ASE table D H Pulse width scale 96 pak Sport E Ng Nitrous 20 30 40 50 ep a Other Coolant Temp IC H Gauges Enrichment ASE Duration parameter is the time in Start enrichment engine s work cycles through which the After ASE start enrichment takes place It should be Dieser emphasized that with each cycle of engine s work this enrichment gets smaller in the linear way Engine s cycles Page 67 WARMUP TABLE H nA Enrichments CG afterstart Cl Acc enrichment Sk ASE table n Warmup table a Acc dTFS Rate Gal Acc TPS Factor z ta Acc RPM Factor H N Fueling H g Ignition Hd Knock sensors Idle ER 7 Outputs Boost D FE Sport 89 Nitrous 40 10 20 30 40 50 60 HA Other Coolant Temp C J Log 77 2 124 113 110 107 104 103 HD Gauges De eco Enrichment of the fuel dose in the function of the cooling liquid temperature is used to compensate Enrichments Warmup table EN D Ch O oO W 3 ba gt o m LI g 5 o a o BJ E oOo A the fact that fuel in low temperatures doesn t evaporate well When the engine gets working temperature enrichment should equal 100 lack of enrichment For the additional protection of the engine from overheating we can introduce additional enrichment of the mixture above the working temperature
11. Name Function Cascade Cascades all open windows Tile horizontally Tiles all windows horizontally Tile vertically Tiles all windows vertically Next Switch to the next open window Previous Switch to the previous open window Close all windows Close all open windows Open windows list List of all windows on desktop Page 14 Functions tree view H nfiguration On the left there is a list of all available EMU functions grouped in Sensors setup l l Engine start functional blocks Depending on firmware version there could be E a Enrichments H Fueling H g Ignition access parameters and tables 05 Knock o SS E Category Sensors setup contains all options required for calibrating different set of functions By expanding functional group user can Outputs engine sensors as well as fail safe values GE Boost 4 SE Sport Engine start category groups all function and tables used during Nitrous HX Other H Log enrichments and categories Fueling and Ignition respectively for fuel Gauges engine cranking Enrichments group is responsible for all mixture dose and ignition angle Category Knock Sensor contains functions required for knock sensor configuration category Idle is responsible for controlling engine s idle speed To configure AUX outputs eg Fuel pump coolant fan PWM outputs category Outputs needs to be used Category Boost controls bo
12. f l ASE table fal Warmup table f l Acc dTPS Rate 4cc TPS Factor fal Acc RPM Factor amp 4 Fueling H e Ignition H Knock sensors H 6 Idle D F Outputs SET Boost Sport E Nitrous O H N Other 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 6000 6500 7000 7500 8000 H E Log RPM rpm HP Gauges 3 GI 64 49 44 J This table defines how the value resulting from the table of Acc dTPS rate should be scaled depending on the engine s speed The higher the engine speed the lower the value of the enrichment Acc enrichment Acc dTPS rate dTps Acc RPM Factor rpm Acc TPS Factor tps Page 70 CONFIGURATION OF OUTPUTS PARAMETERS FUEL PUMP Outputs B5 Fuel pump Outputs Fuel pump P Coolant Fan 5 Utd Pimat H PWM 1 table After start activity 4 E Boost EE H e Sport Invert output CR Nitrous H Other w Gauges Configuration of Fuel Pump determines the output and parameters of controlling the fuel pump After start activity determines the time for which the fuel pump will be activated after turning on the ignition This time must be long enough to achieve the nominal pressure in the fuel line Output name of the output to which we connect the relay controlling the fuel pump Invert output reversal of the output It can be used to test the actions of the fuel pump Fuel pump should be connected with using the relay and the appropriate fuse 10 20A
13. mixture Lambda 1 VE map rpm value of volumetric effectiveness read from the VE table MAP manifold absolute Intake manifold pressure pressure AirDensity percentage difference of air density towards air density in temperature 21 C Corrections fuel dose corrections discussed in the following pages AccEnrich acceleration enrichment InjOpeningTime the time it takes for an injector to open from the time it has been energized until it is fully open value from the calibration map Injectors cal Page 40 ALPHA N Algorithm used in naturally aspirated engines where there is no stable vacuum sport cams ITB etc It is characterized by the fact that the load is defined by the TPS It is not sutable for turbocharged engines PW INJ CONST VE tps rpm AirDensity Corrections AccEnrich InjOpeningTime PW pulse width final time of injector s opening INJ CONST a constant for the given size of injectors engine s displacement pressure 100kPa temperatures of the intake air 21 C VE 100 time of injectors opening required to obtain the stoichiometric mixture Lambda 1 VE tps rpm value of volumetric effectiveness read from the VE table AirDensity percentage difference of air density towards air density in temperature 21 C Corrections fuel dose corrections discussed in the following pages AccEnrich acceleration enrichment InjOpeningTime the
14. O aa Idle Ignition control PID control E Ignition control f Idle Target RPM Ea derer table Enable ignition control B F Outputs Max ignition advance 5 deg amp Boost Max ignition retard 5 deg ER Fe Sport Ignition angle change rate 2 cycles Mitrous H A Other az ET Log Gauges Enable ignition control activates the modification of ignition angle for the control of the idle speed Max ignition advance specifies the maximal advance of ignition towards the nominal angle resulting from the Ignition angle table and correction values Max ignition retard specifies the maximal retard of ignition towards the nominal angle resulting from the gnition angle table and correction values Igntion angle change rate specifies how often the correction of the ignition angle should be done Page 78 IDLE TARGET RPM 5 0 Idle Parameters Idle Idle Target RPM PID control Ignition control ZG Idle Target RPM Ea Idle ref table F Outputs H E Boost E GC Sport i Nitrous XX Other amp 1 Log Ki Gauges 20 30 40 50 60 es Temp C e Ea 115 939 900 900 900 977 aaa aa ldle Target RPM table defines the desired idle speed in the function of the cooling liquid temperature It should be underlined that in order to control idle speed towards this table it is necessary to activate the PID controller and or ignition angle controller gnition control IDLE RE
15. additional fuel in many cases may help cool the engine ACCELERATION ENRICHMENT a rA Enrichments Il Afterstart JE Acc enrichment ofl ASE table E warmup table a Acc dTPS Rate Enrichments Acc enrichment ACC santa aren dTPS Threshold gal Acc TPS Factor SE dg Acc RPM Factor Enrichment limit Fueling e Ignition H P Knock sensors Idle H F Outputs H 7 Boost H Se Sport H Nitrous ER 35 Other E Log 7 nages During acceleration rapid opening of the throttle plate the rapid change of pressure in the intake manifold takes place and what follows is the air flow what leads to the temporary leaning of the mixture and the impression of the car poor acceleration To prevent this phenomenon we use the so called Acceleration Enrichment It is calculated based on the speed of throttle position angle s change current angle of throttle s plate and current engine speed Page 68 Parameters of Acceleration enrichment dTPS Threshold change of dTPS values speed of throttle plate angle s change below which the mixture enrichment is not applied This value aims at eliminating the enrichment connected with the noise of signal from the throttle position s sensor Sustain rate determines the rate at which the acceleration enrichment goes away The higher the value the longer last the enrichment Enrichment Limit maximal enrichment of the mixture calculated by the function of Acce
16. client software Client allows to modify all settings parameters tables stored in internal device flash memory as well as gathering real time data from engine sensors Software is included on CD included in the package For the latest software please visit www ecumaster com web page Firmware Firmware is an internal EMU software that controls all aspects of device behavior Due to the fact that device firmware can be upgraded in future there will be new device functions available It is required to use latest client software with new firmware The client software is compatible backwards what means that all previous firmware will work correctly However the old client will not work with new firmware appropriate message will be shown Firmware is always included with client software package and can be download from www ecumaster com Software versions Main software version is the first digit The subversion is defined by 2 digits after the dot mark The third digit means that there are only changes in windows client software and there is no firmware update For example 1 01 means 1st main version with first software and firmware modification 1 013 means first firmware update and fourth modification of Windows Client Software installation Windows client installation version is included on ECUMASTER CD or can be downloaded form www ecumaster com To install client insert CD into drive and choose appropriate button or run EmuSetup_xxx
17. cut takes place Spark cut percent maximal number of sparks in percentage which may be cut in order to maintain the RPM limit If this value is too small the algorithm will not be able to keep RPM limit Page 60 COIL DWELL TIME ERT Ignition Coils dwell wizard SE Primary trigger SE Secondary trigger SH Ignition outputs bal Ignition event trims Ignition Coil dwell time ba Soft Rev Limiter Seven Coil dwell time Ge Ca Coil dwell corr a Ignition vs CLT f l Ignition vs IAT Ignition angle table ER Knock sensors H E Idle ER Outputs 4 F Boost ch Se Sport D Wi Nitrous 6 85 eile 7 0 80 so 190 11 0 12 0 130 10 150 160 120 v aE Log 7 0 10 0 11 0 12 0 13 0 14 0 15 0 16 0 17 0 V a G Gauges E 0 F oO 90 10 0 110 180 13 0 140 15 0 160 17 0 Battery VM Ni The coil dwell time table determines how long the ignition coil should be charged depending on the voltage in the electrical system The lower the voltage the longer the time of charging Too short time of coil charging will result in a weak spark and misfire too long time will cause EMU and ignition coil overheating In order to create the coil dwell time table you should use the wizard Coils dwell wizard or use ignition coil manufacturer s data Ignition EY Coils dwell wizard geet AA SE Primary trigger E Secondary trigger Ei Ignition outputs E Ignition event trims
18. dwell time Ignition trim for event 3 ba Coil dwell corr Ignition trim For event 4 e Ignition vs CLT Ignition trim For event 5 s f l Ignition vs IAT Ignition trim For event 6 ss FA Ignition angle table H S Knock sensors Ignition trim For event 7 Ignition trim For event 8 d Idle rO Outputs Ignition trim For event 9 SR Roost Ignition trim For event 10 HE Sport EBA Nitrous H Other Hd Gauges For each ignition event you can introduce the angle correction of ignition advance by using the table of gnition event trims Page 59 SOFT REV LIMITER Ignition ZEN OK Coils dwell wizard Meet MIO 2g Primary trigger JE Secondary trigger io EE Ignition outputs mes E JE Ignition event trims Cl Soft Rev Limiter Rev limit S000 RPM Soft Rev Limiter fa Coil dwell time Control range 300 RPM ia Coil dwell corr Spark cut percent an oi Za Ignition vs CLT Set f l Ignition vs IAT o a Ignition angle table G Knock sensors a Idle H F Outputs 4 CT Boost ce Se Sport a Nitrous D Other o Log ER Gauges Soft limiter of engine speed as opposed to the limiter of engine speed based on fuel cut Fuel Cut enables the smooth RPM limitation This limiter should be set below the Fuel Cut rev limiter Enable soft rev limiter activates function of the engine speed soft limiter Rev limit value of limiter s RPM Control range RMP range in which the spark
19. example of Trigger Tooth is defined as tooth 9 which is 60 degrees before TDC of the first cylinder tooth 19 The next ignition event will fall out on tooth 39 in the engine the 4 cylinder spark takes place every 180 degrees It is crucial that trigger tooth for the next ignitron event does not fall on the place of the missing tooth teeth The configuration should be checked with the ignition timing light Page 52 Depending on the type of the sensor the scheme of connections looks as follows 5V Out Hall GND Hall s Optical sensor connection VSS VR sensor connection In case of VR sensors connecting the sensor with the device must be done with the A shielded cable while the shield must be connected to the ground only at one end i In case of VR sensor the sensor s polarity is important Page 53 SECONDARY TRIGGER Ignition A Coils dwell wizard Primary trigger P Secondary trigger JE Ignition outputs Secondary trigger E Ignition prem trims sensor type YR Sensor JE Soft Rev Limiter Enebe pais O Trigger type Do not use cam sync Ignition Secondary trigger Gi Coil dwell time dd Coil dwell corr f l Ignition vs CLT f l Ignition vs IAT d Ignition angle table CR Knock sensors C Idle H F Outputs 7 Boost cel Se Sport EH Nitrous EK Other FA Log a G nages
20. exe The software is compatible with the Windows XP Vista and Windows 7 It might be also required to install USB drivers that are also included on ECUMASTER CD lf you have any problems with software installation please contact our technical support at schematy ecumaster com Page 9 Firmware upgrade To upgrade firmware please choose option Upgrade firmware from File menu After selecting proper firmware version press Open button The upgrade should begin immediately Do not turn of the device during firmware upgrade When upgrade is finish turn off the device The process is finished All parameters and tables are automatically imported If the upgrade process fails turn off device turn it on and make the following procedure again In case of firmware upgrade failure the project should be saved on a disc before updating Firmware upgrade should not be performed if there are problems with the communication between the device and PC computer Before you prform firmware upgrade please disconnect injectors and ignition coils First connection During first connection to the EMU device there will appear a window with the device name By default there will be device unique serial number what user can change for any name Based on this name there will be sub directory created in directory My documents EMU In this sub directory there will be stored desktop configuration for
21. identical like in the case of 2D maps Additionally on the toolbar there are the following icons Open the file with a 3D map Save the file with a 3D map Display only numeric values Display only the 3D graph 3D graph and map of values are horizontally divided IES EDO 3D graph and map of values are vertically divided Additionally on each 3D map you can modify values on the load axis axis X and values of rotations axis Y To do this you should start the right wizard they are available by right clicking on the selected axis or you can manually modify particular cells Page 19 X axis bins wizard This wizard is used for automatic generation of values for the load axis X Load Bins Wizard Load min value minimal value for axis X Load min value 20 Load max value maximal value for axis X Load max value 290 E EE Interpolation type way of dividing values on axis A Table modyfication Rescale all tables between the minimal and maximal value We have 3 re Cancel ae OD options to choose from Linear interpolation linear interpolation between values Exponential interpolation 1 exponential interpolation version 1 Exponential interpolation 2 exponential interpolation version 2 Table modification defines the way of table s value processing in relation to the scale change of axis X Do not modify table do not modify the table s v
22. of TPS sensor is below the value Fuel cut TPS limit and RPM are above this value the fuel dose is cut Fuel resume below RPM value of RPM below which the fuel dose is resumed Overrun fuel cut decay rate in case the fuel dose is cut it defines the percentage how the fuel dose should be decreased in the next engine turnover Page 45 EGO FEEDBACK a Fueling A Injectors wizard Fueling EGO Feedback Cf General age phase NGO Feedback uel cu aT Be EGO Feedback Enable EGO feedback E Injectors cal Rich Limit 10 ES Barometric corr Lean Limit 10 H VE table NBO Change step 0 25 3 B88 AFR table NBO Change rate 1 revs g8 Ignition NBO Ref target 0 494 EI Knock sensors warmup time 405 H Q Idle TPS Limit 60 E3 F Outputs Ee Min CLT flg oO GE Boost ES Sport ESA Se H Nitrous Max RPM 3000 RPM HX Other Min MAP 20 kPa lf Log Max MAP 70 kPa H Gauges Fuel Cut Delay 250 ms EGO kP EGO kI EGO Integral limit EGO Feedback function is used to configure the work of algorithm of fuel dose correction using the feedback from the Lambda sensor both narrow and wide band In case of narrow band probe we can only maintain value of NBO Ref Target In case of wide band probe AFR value for the desired RPM and engine load is defined in the AFR table Enable EGO feedback activates the function of fuel dose correction Rich limit percentage value of the maximal enrichment of the fuel dose Lea
23. of sensor voltage in the full RPM range with the no knocking does not exceed 3V Integrator signals integral time constant from the knock combustion sensor It influences the voltage value from the knock sensor Page 80 SAMPLING Knock sensors Sensor parameters Knock sensors Sampling Sampling SEN l Sampling tO z SE Knock window start 10 deg ATDC Outputs Knock window duration 50 deg CET Boost Ignition event 1 knock input No sampling E GC Sport Ignition event 2 knock input No sampling ES Nitrous Ignition event 3 knock input Mo sampling Hd Other Ignition event 4 knock input Mo sampling E Log Ignition event 5 knock input No sampling EGG Gauges Ignition event 6 knock input No sampling Ignition event 7 knock input No sampling Ignition event 8 knock input Mo sampling Ignition event 9 knock input Mo sampling Ignition event 10 knock input Mo sampling In sampling options we can define the so called Knock window so the range in degrees of crankshaft position in which may appear the knock combustion The signal from the sensor is integrated only in this range Knock window start Crankshaft angle measured from the TDC from which the time window starts Knock window duration determines the time window length in degrees Ignition event 1 10 knock input defines from which knock sensor input the signal for particular ignition events should be considered dependency between events and the order of ignition
24. the examples of grounds connections to the device A 12Vv 3A Sensors ground Device ground Power grounds Ground point on the engine block EMU device power scheme Page 23 SENSORS In case of sensors used in cars electric installations we are dealing with several types resistance sensors voltage sensors magneto inductive sensors optical sensors Hall s Resistance sensors are used to measure temperatures e g temperature of cooling liquid or the position of a throttle TPS sensors Voltage sensors are characterised by the fact that the value they measure is expressed in voltage Such sensors include the sensor of absolute pressure in the intake manifold or the knock sensor The key sensors from the point of view of engine s management work are sensors of crankshaft s positions and or of camshaft thanks to which it is possible to read the speed of the engine and to control the ignition angle and injection The most popular sensor of this type is the variable reluctant VR sensor It works on the principle of inducing the electromotive force in the winding of sensor s coil wound on a permanent magnet under the influence of ferromagnetic movement of the impulse wheel The induced voltage is proportional to the sensor s distance from the impulse wheel and its rotational speed VR Sensor CH1 5 00Y 500 0us Delay 11 68ms Sc
25. time it takes for an injector to open from the time it has been energized until it is fully open value from the calibration map Injectors cal Page 41 ALPHA N with MAP multiplication Algorithm combining features of Speed Density and Alpha N The load is defined by TPS while VE value is multiplied by the value of absolute pressure in the intake manifold It can be used for both naturally aspirated and turbocharged engines PW INJ CONST VE tps rpm MAP AirDensity Corrections AccEnrich InjOpeningTime PW pulse width final time of injector s opening INJ CONST a constant for the given size of injectors engine s displacement pressure 100kPa temperatures of the intake air 21 C VE 100 time of injectors opening required to obtain the stoichiometric mixture Lambda 1 VE tps rpm value of volumetric effectiveness read from the VE table MAP manifold absolute Intake manifold pressure pressure AirDensity percentage difference of air density towards air density in temperature 21 C Corrections fuel dose corrections discussed in the following pages AccEnrich acceleration enrichment InjOpeningTime the time it takes for an injector to open from the time it has been energized until it is fully open value from the calibration map Injectors cal Page 42 CORRECTIONS Corrections Baro Warmup ASE EGO KS NITROUS
26. will look like in case of ignition sequence 1 3 4 2 when the first ignition event does not correspond to the first cylinder First Ignition Ignition Ignition Ignition cylinder Event 1 Event 2 Event 3 Event 4 1 Ignition output 1 Ignition output 3 Ignition output 4 Ignition output 2 2 Ignition output 3 Ignition output 4 Ignition output 2 Ignition output I 3 Ignition output 4 Ignition output 2 Ignition output 1 Ignition output 3 4 Ignition output 2 Ignition output 1 Ignition output 3 Ignition output 4 Example of connecting the ignition coils to the EMU device 12V ISA JA AE Connection of 4 passive ignition coils i In case of passive coils you should never connect two coils to one ignition output Page 58 A 12V ISA EEE Sample of connection of 4 passive coils using ignition module In case of active coils or using ignition modules there is a chance to connect two coils or module inputs to one ignition output in order to do wasted spark ignition IGNITION EVENT TRIMS doe er dite Ignition Ignition event trims SE Primary trigger S Secondary trigger Ignition outputs ba EE Ignition event trims Mauuna Ignition trim For event 1 E Soft Pey Limiter Ignition trim For event 2 ta Coil
27. F TABLE Idle Parameters Idle Idle ref table PID control Ignition control ba Idle Target RPM a Edle ref table ES F Outputs E g Boost E H 4 Sport Sg OG Nitrous H EX Other Hf Log e Gauges 20 30 40 50 60 Coolant Temp Se aaa CEE COC See The base DC table of PMW valve or stepper motor steps on which we perform the regulation of idle speed In case of the stepper motor the value in this table means the scale of the maximal amount of steps E g 50 means 50 of the Stepper steps range value Page 79 CONFIGURATION OF KNOCK SENSORS PARAMETERS MU device supports knock sensors two channels to take actions aiming at avoiding the uncontrolled combustion by enrichment of the mixture and retard the ignition angle Out KS GND Knock sensor sample connection 1 Knock sensors should be connected using cables whith shield connected to the ground at one end SENSOR PARAMETERS Knock sensors Knock sensors Sensor parameters bee Sensor parameters d r Sampling m Geck Sensor parameters Sai Engine nose knock Frequency 1 40 kHz H E Idle on Se H P Outputs 1 CT Boost Integrator 160 uSer Sport CR Mitrous HX Other EG Log o Gi GaUges Knock frequency resonant knock frequency This frequency is characteristic for each engine Gain gain of the signal from the knock sensor It should be selected so that the value
28. ND Schemat pod czenia zewn trznego czujnika MAP TPS Throttle position sensor Throttle position sensor is next to MAP sensor the key sensor allowing to define the engine s load in algorithm Alpha N to calculate the coefficient of enriching the mixture with the acceleration and controlling engine idle Calibration of this sensor is limited to the determination of 2 limit positions of the boundary locations of acceleration pedal Below is the configuration of this sensor a f Configuration oh Sensors setup z 4 IAT sensor wizard am 4 CLT sensor wizard gl IAT calibration ga CLT calibration TPS min voltage ME MAP Sensor TPS max voltage VSS and gearbox Page 29 TPS sensor should be connected as follows 5V Out GND TPS TPS sensor wiring diagram Lambda sensor Lambda sensor allows to determine the composition of fuel air mixture EMU device supports both the narrowband sensor and the wideband sensor Bosch LSU 4 2 The selection of the sensor is done in the set of parameters Oxygen Sensor Sensor Type Ensinestart In case of narrowband sensor the further configuration is not required In case of LSU 4 2 probe you should choose the fuel type ARF value depends on it and set the Rcal value this is the value of sensor s calibration resistor and it can be measured with ohmmeter ranges from 30 300 ohms between pin
29. R Boost i SF Sport CR Nitrous HX Other EB Log a G Gauges Enable prime pulse activates the prime pulse function so the additional fuel is injected whene device is turn on It is injected before starting the motor so the fuel has the time to evaporate what makes starting engine easier The size of the prime pulse is defined in the Prime Pulse table Batch all injectors turning on this option will make all injectors active the same time during cranking work in the full group mode This option usually makes starting engine easier In case of small injectors using this option may be necessary Cranking treshold RPM value when the device changes the working mode from Cranking to After start Above these RPM the engine starts working by using the VE tables and all enrichments and corrections This value must be set higher than the engine s speed while cranking Engine stall rev limit engine speed below which the device states that the engine stops working and is initializing to the state after being turned on Page 64 FUEL DURING CRANKING Au Sensors setup O Engine start Parameters ig Fuel during cranking fad Fuel TPS scale a Prime pulse H a Enrichments H Fueling H Ignition 7 Knock sensors H 6 Idle ES y Outputs H E Boost ES GC Sport EN Ki Nitrous HA Other d 20 30 40 50 J Log Coolant Temp C D aUges ie aga Engine start Fuel during cranking This table define
30. S sensor giving the right speed expressed in km h Gear 1 6 ratios relation of frequencies from VSS sensor to the engine s RPM Information about the current value can be read from the log channel Gear ratio Ratio tolerance percentage value of the error while determining the current gear Page 32 VSS sensor s connection 5V Out VSS GND VSS wiring diagram Hall type sensor Out VSS GND VSS wiring diagram VR type sensor Page 33 EXHAUST TEMPERATURE SENSOR EMU device can use the K type thermocouple to measure the exhaust temperature Sensor should be installed as close to head s exhaust channels as possible NiCr NA NiCr K type thermocouples connection diagram To maintain the accuracy of a thermocouple measurement system K type A thermocouple cable is required to extend from the thermocouple sensor to the EMU device Page 34 FAILSAFE In case of failure of essential engine s sensors EMU device is equipped with a protection enabling the further ride under certain conditions Smooth operation of the engine and its power will be significantly lost however this allows to keep the vehicle s mobility which allows you to reach the service point In case of failure of any sensors IAT CLT or MAP EMU device will automatically take on values determined by the user for the damaged sen
31. alue Rescale this table modify only this table Rescale all tables modify all tables using this definition of axis X recommended RPM bins wizard RPM Bins Wizard Wizard of RPM values for scale Y acts identically as a Com wizard for axis X RPM max value 7500 Interpolation type Linear interpolation Table modyfication Rescale all tables Page 20 Visual log Using the parameters log we can real time track the selected Log group Basic parameters of the engine s work Parameters are grouped Name value Unit according to the function what facilitates tracking of the device s functions e g dle control Battery voltage TPS Rate VE EMU State EGT 1 EGT 2 Acc Enrichment EMU Reset BARO Gauges It is an informative tool used to control particular parameters values in the real time Apart from the analogue display with a needle on the scale at the 270 degree angle the indicator also shows the precise value in the digital form Examples are presented in the picture below 4 1 16 0 p 14 0 18 0 ap 20 0 13 6 Page 21 Graph log Graph log is a control used to observe and analyse selected parameters of the engine s work The presented data are in the graph form while the precise reading of these data can be obtained by moving the cursor on the selected point of the graph The description of all logged parameters in is appendix 1 at the end of
32. ck what allows optimal ignition advance ECUMASTER EMU supports wide range of OEM sensors IAT CLT MAP KS etc It has also lots of features used in motor sports like gear dependent shift light flat shift launch control NO2 injection control advanced boost control and much more Page 5 SPECIFICATION Power supply 6 20V immunity to transients according to ISO 7637 2 Current requirement 400mA Operating temperature 40 do 100 C Supported number of cylinders 1 6 full sequential injection and ignition 1 12 wasted spark 5 Max supported RPM 12000 6 Injection time 0 1ms 50ms resolution 16us 7 Ignition timing 60 BTDC 20 ATDC resolution 0 5 8 Injectors outputs 6 protected outputs max current 5A 9 Ignition outputs 6 outputs max current 7A software selectable passive active coils 10 AUX outputs 6 protected outputs max current 5A 11 AUX Stepper 4 outputs max current 1A 12 Lambda sensors narrow band 4 wires sensor wide band sensor Bosch LSU 4 2 13 Knock sensing 2channels knock resonant frequency 1 20kHz 14 Crank Cam signal primary VR sensor adaptive input HALL Optical software trigger configurable 15 CAM sensors 2 inputs VR or HALL Optical software configurable 16 VSS VR or HALL Optical software configurable 17 EGT 2 channels K Type thermocouples 18 Analog inputs 7 protected analog inputs for sensors TPS IAT CLT
33. d kPa o Ignition angle table is the main table of the ignition timing angle Table s resolution is 0 5 degree Positive values mean the angle before TDC while negative values after TDC The total angle of ignition advance is calculated as follows Angle IGN load rpm CYLCorr cyl IATCorr CLTCorr KSCorr IDLECorr LCCorr Nitro load rpm IGN load rpm angle value of the ignition advance from the ignition table CYLCorr cyl correction of the ignition timing in cylinder function IATCorr correction of the ignition timing towards the intak air temperature CLTCorr correction of the ignition timing towards the cooling liquid temperature KSCorr correction of the ignition timing due to the occurrence of engine knock IDLECorr correction of the ignition timing by the idle function LCCorr correction of the ignition timing with the activation of the Launch Control function NITRO load rpm correction of the ignition timing from the table of nitrous ignition mod Page 63 CONFIGURATION OF ENGINE START PARAMETERS Settings in the parameter group Engine Start are used in the start up phase of the engine PARAMETERS ag AA EA Engine start Parameters SEH arameters ai bal Fuel during cranking jun f l Fuel TPS scale Parameters B Prime pulse Enable prime pulse ay Ge dg Batch all injectors a ee SE en F PAGA Engine stall rev limit Che Idle Cranking ign angle Outputs E
34. d valve from Boost DC table TABLE BOOST DC PID Correction of duty cycle of boost control selenoid applied by PID CORECTION regulator BOOST TABLE SET Current boost tables set BOOST TARGET Final value of the expected boost pressure BOOST TARGET FROM Value of the expected boost pressure from the Boost target table TABLE CAM SIGNAL PRESENT Information about the signal s presence from the camshaft position sensor on the input CAM 1 CAM SYNC TRIGGER TOOTH Number of the tooth from the crank position sensor by which the signal from camshaft position sensor takes place CLT Coolant liquid temperature value CLT IGNITION TRIM Ignition angle correction due to coolant liquid temperature Page 83 DWELL ERROR Error of the real versus desired time of the coil s dwell timelgnition angle correction due to DWELL TIME Value of the expected coil s dwell time EGO CORRECTION Correction of fuel dose based on Lambda probe readings EGT 1 Temperature of exhaust gas probe 1 EGT 2 Temperature of exhaust gas probe 2 EMU RESET Information about EMU reset EMU STATE Current device state INACTIVE device is waiting for the signal from the shaft s sensor CRANKING engine s speed forced by the starter AFTERSTART running engine after start dose enrichment RUNING engine is working normally FLAT SHIFT ACTIVE Flat shift function active FLAT SHIFT FUEL CUT Informatio
35. eed dependent 16 Sport functions Launch control Nitrous injection flat shift gear dependent shiftlight etc 17 Others Check Engine light fail save values for sensors password protection 18 Log functions Logging over 100 parameters real time view Page 7 CONNECTOR PINOUT DETAILS 1 8 O mo on en en on 16 1 8 E m Tests D LI Aw 9 pm no eee 16 Tests mi ET HE ef fog 17 17 Device View BLACK GRAY 1 EGT In 1 1 Ignition coil 6 2 Knock Sensor In 1 2 Stepper motor 1 winding A 3 Analog In 2 3 Stepper motor 2 winding A 4 CLT In 4 AUX 6 5 WBO Vs 5 AUS 6 Camsync In 2 6 Injector 4 7 Primary trigger In 7 Injector 1 8 Ignition coil 5 8 Ignition coil 1 9 EGT In 2 9 Ignition coil 3 10 Knock Sensor In 2 10 Stepper motor 1 winding B 11 Analog In 3 11 Stepper motor 2 winding B 12 TPS In 12 AUX 5 13 WBO Ip 13 AUX 2 14 VSS In 14 Injector 5 15 Camsync 1 15 Injector 2 16 Ignition coil 4 16 Ignition coil 2 17 ECU Ground 17 Power Ground 18 Sensor Ground 18 Power 12V 19 Analog In 4 19 WBO Heater 20 Analog In 1 20 AUX 4 Tacho 21 IAT In 21 AUX 1 22 WBO Vs lIp 22 Injector 6 23 5V supply 23 Injector 3 24 Power Ground 24 Power Ground Page 8 SOFTWARE Client for Windows Communication with ECUMASTER EMU device is performed using USB AA cable and Microsoft Windows based
36. esired AFR target for every engine speed and load point that the engine might operate To use this table EGO Feedback must be active Page 50 CONFIGURATION OF IGNITION PARAMETERS Configuration of ignition parameters is crucial from the point of view of the correct engine work and should be performed with the utmost care PRIMARY TRIGGER ERT Ignition a Coils dwell wizard EU a a La d r Primary trigger E Secondary trigger ba Ignition outputs LUN AA Lei Ignition event trims 3ensor type WR Sensor JE Soft Rev Limiter Enable pullup L SS f l Coil dwell time Enable YR window Filter ge kal Coil dwell corr Trigger type Toothed wheel with 2 missing teeth Number of cylinders S Mum teeth incl missing 60 Ge RER AGA First trigger tooth 46 GE Idle Trigger angle 55 E J Outputs H 7 Boost HE Sport Gy Nitrous HX Other Se Log a Gi Gauges Primary trigger is responsible for the type of signal controlling the work of the ignition system and the base configuration of ignition timing Currently there are supported signals from trigger wheel having from 12 to 60 symmetrical teeth In case 1 or 2 teeth are missing it is not required to have the camshaft position sensor however this prevents the work in the full sequence of ignition and fuel Sensor type type of sensor on the trigger wheel The choice includes the magneto inductive sensor VR Sensor and the Hall s Optical sensor In the second case you should a
37. esponsible for the regulation of the engine idle speed Due to the changing performance of the engine depending on its temperature and also the change of its load by the external devices alternator air conditioning etc it is necessary to introduce the correction of the amount of the air flow on the idle speed This function can be accomplished by the change of air dosage the change of throttle position angle or the electro valve plugged in the by pass system We distinguish the following types of air valves ON OFF such valve has only two conditions on and off It is always a by pass Valves of such type occur in old cars and it is a rarely used solution DN Sample connection of ON OFF valve PWM valve with the possibility of the smooth change of opening through the modulation of impulses width It is always a by pass Usually the increase of the duty cycle causes the increase of the amount of air flowing through the valve In case of valves controlled by high frequency e g Bosch 0280 140 512 you should use the external flyback diode NN NA gt HEN Sample connection of PWM valve with flyback didoe Page 75 Stepper motor valve which performing element is the stepper motor It only requires the power supply during the change of the stepper motor position oe Sample connection of PWM stepper motor 3 Wi
38. etc 19 Additional outputs Extension port CANBus DataLoger Bluetooth etc 20 Other Built in 400 kPa MAP and Baro Sensor 21 Communication USB port 22 Client software Windows XP VISTA Windows 7 Page 6 FUNCTIONS Fuel calculation algorithm Speed Density or Alpha N Fuel Table 16x16 resolution 0 1 VE Injectors configuration Phase and injection angle injectors dead time calibration 16x1 injector flow rate configuration AFR Table 16x16 resolution 0 1 AFR closed loop feedback 5 Ignition triggers 12 60 primary trigger tooth 0 2 missing tooth 1 tooth cam sync synchronization Ignition table 16x16 resolution 0 5 7 Ignition coils dwell Dwell time table 16x1 dwell correction table in function of RPM 16x1 8 Ignition advance corrections Correction in function of CLT and IAT 16x1 per cylinder correction 9 IAT CLT sensors Calibration table 20x1 sensors wizard 10 Cranking fuel table Table 16x1 11 Enrichments ASE Warmup Acceleration Deceleration 12 Knock sensing Resonant frequency Knock window knock actions like ignition retard fuel mixture enrichment 13 Idle control PID based control over stepper motor or idle vale Ignition angle control Idle Target table 16x1 14 Parametric outputs Fuel pump radiator fans tachometer user defined 15 Boost control PID base DC table 16x16 Boost target Gear and sp
39. eter should be connected to the Aux 4 output which is equipped with 10K resistor connected to 12V In case of a different output you should use an external pull up resistor Output device s output to which the tachometer is connected RPM Multiplier value scaling the output frequency Sample connection of tachometer Page 73 PWM 1 7 Outputs a Fuel pump Outputs PWM 1 Cl Tacho output JE PWM 1 BBS PWM 1 table H Boost Frequency ER Ss Sport Disable output if no RPM E Nitrous oe Other Leg ER sages PWM 1 function is used to control the external solenoid valve using PWM signal with the duty cycle defined in the 3D table Output device s output to which the solenoid valve is connected Frequency frequency of the PMW signal Disable output if no RPM if the engine does not work the PWM output is turned off DC 0 The duty cycle of PWM signal is defined in the 3D table PWM 7 Table 7500 aso 5500 som am ER 300 ER 2000 KI 750 20 30 40 50 70 90 110 130 150 170 190 210 230 250 270 290 In case of solenoid valves with large power consumption or high PWM frequency you should use the external Flyback diode YY gt 112V Sample connection of PWM controlled selenoid with flyback diode Page 74 CONFIGURATION OF IDLE PARAMETERS Idle control is r
40. given EMU and projects and logs will be saved Enter new device name Mew device detected Please enter device name All projects will be save in directory of device name Projects extension is emu Data logs are saved with extension emulog User desktops configuration is stored in file desktops xml If no EMU device is connected all data is stored in Default sub directory Page 10 User interface The picture below shows Windows client after first launch Ecumaster Engine Management Unit Client Device name EMU TESTOWE PCB 1 File Edit Window Help dk Fe e SS E ZEN Desktop2 V Desktop 3 y Desktop4 y Desktops yY Log Yy Dashboard H Sensors se tup Engine start H A Enrichments H Fueling 8 gl Ignition H Knock sensors amp Log OP Gauges 00 59 48 No password protection 00 59 48 Load desktops CONNECTED FRAME 3426 IGN STATUS NOSYNC EMU STATE INACTIVE FW VER 0 977 User interface is divided into 4 areas 1 Menu Tree view with device functions you can hide show it with key F9 Desktop GN Event log you can hide show this area by keys combination SHIFT F9 Menu A menu bar consists of functions the following items File Edit Window Help Page 11 Menu FILE wie Edit Window Help S7 Open project Show Full screen Upgrade Firmware Restore ko defaults Exit Ourpure F Boost na Sport GW Nitr
41. ill use the ignition distributor Distributor or whether it will use ignition coils distributorless systems both single or double Coils type defines the type of the used ignition coils In case of passive coils without ignition modules we should choose the option of Coils without amplifier in case of coils with the in built ignition module or by using the external ignition modules you should choose option of Coils with built in amplifier In case of passive coils the choice of the option of Coils with built in amplifier will lead to the damage of coils or the EMU device In case of passive coils the device can become hot You should provide the device with the way of getting rid of excessive heat Page 56 Ignition Ignition outputs Ignition outputs Spark distribution Coils type Ignition event 1 Ignition event 2 Ignition event 3 Ignition event 4 Ignition event 5 Ignition event 6 Ignition event 7 Ignition event 8 Ignition event 9 Ignition event 10 the ignition output 1 distributor Fails Coils with built in amplifier Ignition output 1 Ignition output 3 Ignition output 4 Ignition output 2 Mone Mone Mone None None None the second cylinder to the ignition output 4 In ignition events fields we have a chance to assign the appropriate ignition outputs to ignition events Ignition Ignition outputs Ignition outputs Spark distribution Distrib
42. ions looks as follows 5V Out Hall GND Hall s Optical sensor connection VSS VR sensor connection In case of VR sensors connecting the sensor with the device must be done with the A shielded cable while the shield must be connected to the ground only at one end i In case of VR sensor the sensor s polarity is important Page 55 IGNITION OUTPUTS e Ignition a Coils dwell wizard Ignition Ignition outputs f Primary trigger 8 Secondary trigger f Ignition outputs Ignition outputs ER Ignition angle table Ignition event trims Spark distribution Coils Coils type Soft Rev Limiter f l Coil dwell time al Coil dwell corr tal Ignition vs CLT ba Ignition vs LAT Ignition event 1 Ignition event 2 Ignition event 3 Ignition event 4 Coils with built in amplifier Ignition output 1 Ignition output 3 Ignition output 4 Ignition output 2 O knack censos Ignition ewent 5 Mone o Idle Ignition event 6 kane Outputs Ignition event 7 None EF Boost Ignition event 8 None Fe Sport Ignition event 9 None Ki Nitrous Ignition event 10 None Other Log Ki G3Uuges Ignition Outputs table is responsible for assignment of particular cylinders or pairs of cylinders in case of wasted spark to particular ignition events gnition events Spark distribution determines whether the EMU device w
43. is defined in Ignition Outputs Page 81 ENGINE NOISE Knock sensors Sensor parameters Sampling Action Engine noise H E Idle E3 F Outputs o GT Boost ES Gs Sport H Ki Nitrous H Other 1 Log Gauges Knock sensors Engine noise o 0 5 LC 0 0 S00 1000 1500 2000 2500 3000 S500 4000 4500 5000 5500 6000 6500 7000 7500 8000 RPM rpm 3500 4000 4500 5000 5500 leogo 8500 7000 7500 ang Engine Noise table defines the maximal voltage from the knock sensor for the proper combustion of the mixture in the RPM function If the voltage from the sensor exceeds the voltage from this table this will mean the knock occurs The bigger the difference Knock level the stronger the knock KNOCK ACTION Knock sensors Sensor parameters ie OCH le get Sampling Action Engine noise C Idle H Outputs Min RPM 2000 RPM Boost Max RPM 5700 RPM FS Sport Fuel enrich rate Oy I Ng Nitrous Max Fuel enrich D o i ee Ignition retard rate 0 5 deg a Gauges Max ignition retard 3 deg Restore rate 10 revolutions Knock action defines how the EMU device should behave in case of knock Knock level gt OV Active activates the function of the prevention of the knock Min RPM minimal engine speed above which the function is active Max RPM engine speed above which the function is deactivated Fuel enrich rate percentage mixture enrichment for each 1V of the Knock level value Ma
44. l connections in wiring loom should be properly insulated e All signals from the variable reluctant sensors and knock sensors should be connected using shielded cables e The device must be disconnected during welding of any car body elements Page 3 TABLE OF CONTENT ECUMASTER EMU DP IE Buan 5 CONNECTOR PINOUT DETAILS aap NA dE 8 SOFTWARE E 9 DESCRIPTION OF BASIC CONTROLS aNG a a aa 16 CONNECTING THE EMU DEVICE EE 23 SENG Se 24 SENSORS CALIBRA HON mana a na DANG NAKAKA a 21 SILKE 3 CONFIGURATION OF IGNITION DARAME TER 51 CONFIGURATION OF ENGINE START PARAMETERS 1 1001717700077 64 KONFIGURACJA PARAMETR W ENRICHMENTS 111111 67 CONFIGURATION OF OUTPUTS DARAME TER 71 CONFIGURATION OF IDLE RBARAME TER sasssssssssssnsrnreseernrsrssrrrrrsrrrerrrerrrerrrerrrerererne gt 15 CONFIGURATION OF KNOCK SENSORS DARAMETER aesesssssesnssssrrrrrerrrrrrsrrrrrerrr 80 APPENDIX 1 DESCRIPTION OF LOGGED PARAMATERG eccceeeeeeeeeteeeeeeeeeees 83 Page 4 ECUMASTER EMU DEVICE ECUMASTER EMU device is fully programmable universal engine management unit for controlling spark ignition engines using Speed Density or Alpha N algorithms using wide range of fuels PB E85 LPG CNG Due to utilizing modern technology and state of the art software device can fully control fuel mixture using closed loop feedback based on wide band oxygen sensor is capable of fully sequential injection and ignition and can sense engine kno
45. lculating the fuel s dose and the angle of ignition s timing 2 In case of boost control in the feedback loop the pressure s value in the intake collector is the basic information for the algorithm 3 Fuel cut when the pressure value is very low or exceeds the maximum value overboost fuel cut 4 BARO sensor is used to calibrate the fuel dose in case of algorithm Alpha N MAP sensor pressure should be taken from the intake manifold from the place closest to the throttle so that its value most closely matches the average pressure value in the intake manifold Pressure hoses should be as short as possible with hard walls In case of individual throttle bodies pressure from each runner should be connected to the collecting can and only then to the MAP sensor EMU device has an in built pressure sensor with the measuring range of 400kPa and the in built barometric pressure sensor It is possible to use the external MAP sensor connected to one of the analogue inputs Page 28 Sensors setup MAP Sensor Ed Using the configuration of the MAP sensor we can decide whether use the in built sensor MAP Sensor Use built in map Use built in map or the external one In case Enable digital filter MAP Range MAP Offset the analogue input to which we connect Analog input of using the external sensor we should choose Analogue input and we enter its measuring scope 0 MAP range and MAP offset 5V VIR Out lt G
46. leration enrichment Three 2D tables are connected with the function of Acceleration enrichment Acc DTPS Rate E a Enrichments Afterstart Acc enrichment a ASE table fal Warmup table Gi Acc dTPS Rate Acc TPS Factor Gi Acc RPM Factor l Fueling Ignition Knock sensors Enrichments Acc dTPS Rate LR wei FH Z o E Wal D TD LI al J E E Be 6 6 E D D E H Other 0 6 46 SE H E Log Percentage Yo H Ki Gauges D SU I 7 2 59 64 T 41 Lo 6 13 20 26 33 40 46 53 This table defines how much the fuel dose will be enrich in the function of change of the throttle plate angle dTPS The faster the change of this angle the greater the enrichment Page 69 Acc TPS Factor al Enrichments Afterstart Enrichments Acc TPS Factor Acc enrichment Parr lal fal ASE table T fal warmup table fal Acc dTPS Rate 7 108 f l Acc TPS Factor 2 H fal Acc RPM Factor e 54 H Fueling i 72 H Ignition 5 60 HC Knock sensors 48 H E Idle C oe F Outputs z GE Boost 5 24 EN Ss Sport T E Nitrous a 0 a oe KA EN wei 1 Log i i H Gauges This table defines how the value from the table of Acc dTPS rate should be scaled depending on the current throttle angle The higher the throttle angle the smaller the enrichment Acc RPM Factor E a Enrichments afterstart Enrichments Acc RPM Factor Acc enrichment
47. lso activate the Enable pull up option Enable pullup activates the 4 7K resistor between the input and 12V Function is mainly used in case of optical sensors and Hall s sensors which output is usually the open collector Enable VR window filter digital filter for sensors of the magneto inductive sensors Should be used with care Trigger type describes a kind of signal from the ring gear Currently there are 3 types available to chose from Toothed wheel with 2 missing teeth trigger wheel with two missing teeth e g popular system Bosch 60 2 Page 51 Toothed wheel with 1 missing tooth trigger wheel with one missing tooth e g popular Ford s system 36 1 Multitooth trigger wheel without missing teeth In next versions of the software the next types of trigger wheels will be implemented Number of cylinders number of engine s cylinders It also defines the number of ignition events which number is equal to the number of cylinders Num teeth incl Missing number of teeth on the trigger wheel including the missing teeth First trigger tooth index of a tooth which will mark out the first Ignition Event Trigger angle the angle defining how many degrees before the TDC of a cylinder is the first trigger tooth It is also the maximum spark advance It should be usually within the 50 60 degrees range TDC 60 TDC 19 39 Sample ignition configuration for 60 2 trigger wheel The above
48. mperature In order to facilitate the sensor calibration you should use the 2 0 2 3 4 S 3 0 ensor vo T wizard FE KE EE ER F ER FO FEN ET KR Page 27 Using the wizard we can use the predefined sensor or create its characteristic providing the sensor resistance for 3 known temperatures The highest difference of temperatures is recommended in the wizard these data can be found in the car s service book or can be collected with ohmmeter in 3 different temperatures IAT sensor wizard Predefined sensors names of predefined Predefined sensors Bosch WTE M12 0280130026 Temperature point 0 C 40 sensors In case of choosing the User defined Sensor R 0 ohm 45317 Temperature point 1 0 o sensor it is possible to add temperature values Sensor R 1 ohm 5596 Temperature point 2 2 100 Sensor R 2 ohm 186 After selecting the sensor you should press the OK button what will create the calibration table and resistance of own sensor Uwaga To permanently save a change in the device s FLASH memory you should select Make Maps Permanent option shortcut key F2 MAP SENSOR manifold absolute pressure sensor Pressure sensors are used to measure pressure in the engine s intake manifold MAP sensor and atmospheric pressure baro sensor MAP sensor fulfils the following functions 1 In algorithm Speed Density determines the engine s load and is the basic parameter while ca
49. n about fuel cut cased by flat shift FLAT SHIFT IGN CUT Information about spark cut caused by flat shift FUEL CUT Information about fuel cut GEAR Current gear GEAR RATIO Ratio of engine speed and vehicle speed IAT Value of intake air temperature IAT IGNITION TRIM Ignition angle correction due to intake air temperature IDLE CONTROL ACTIVE Idle control active IDLE IGNITION Ignition angle correction due to idle speed control algorithm CORRECTION IDLE MOTOR STEP Position in steps of idle control stepper motor IDLE PID DC Value of DC correction of the valve controlling idle speed introduced CORRECTION by PID algorithm IDLE TARGET Required value of idle speed IDLE VALVE DC DC value of idle control selenoid valve IGNITION FROM TABLE Ignition angle from ngition table IGNITION ANGLE Final ignition angle INJECTORS CAL TIME Time form njectors cal table INJECTORS PW Final injectors pulse width KNOCK ACTION FUEL Percentage value of mixture enrichment in connection to the detection ENRICHMENT of the knock KNOCK ACTION IGN Value of ignition angle correction due to occurrence of knock RETARD KNOCK ENGINE NOISE Voltage value from Engine noise table Page 84 KNOCK LEVEL Value of knock 0 if no knock present KNOCK SENSOR VALUE Raw value of voltage from knock sensor LAMBDA Lambda value of mixture LC ACTIVE Launch cont
50. n limit percentage value of the maximal leaning the mixture NBO change step value used only in case of narrow band probe it determines the percentage the fuel dose can be changed NBO change rate value used only in case of narrow band probe it determines how often the change of fuel dose can be made NBO ref target reference value of narrow board probe voltage Warmup time value determining the minimal time from the moment of starting the engine after which the correction of fuel dose is allowed TPS limit value from the TPS below which the mixture correction is allowed Min CLT minimal value of temperature of the cooling liquid above which the mixture correction is allowed Min RPM minimal value of RPM above which the mixture correction is allowed Page 46 Max RPM value of RPM above which the mixture correction is switched off Min MAP minimal value of pressure in the intake manifold above which the mixture correction is allowed Max MAP maximal value of pressure in the intake collector above which the dosage correction is disabled Fuel Cut delay ime in ms after which the correction is resumed after cutting the Fuel Cut EGO kP gain coefficient of the proportional term of the PID algorithm EGO kl gain coefficient of the integrator term of the PID algorithm EGO Integral Limit value of the limit of the integrator term of the PID algorithm Page 47 INJECTORS CAL Fueling I
51. nal edge signal edge We can distinguish two edges rising rising when the voltage s value grows and falling falling when the voltage s value falls Page 25 MGAL LHI ZEN AU ke Ham 5 Kang In the picture above the falling edges are marked with red colour and the rising edges with green colour Page 26 SENSORS CALIBRATION Calibration of analogue sensors is done from the Sensors Setup level Coolant temperature sensor CLT and intake air temperature IAT EI dh Configuration AT and CLT sensors are in most cases the NTC thermistors NTC dl tae gw thermistor is a nonlinear resistor which resistance depends m IAT sensor wizard A CLT sensor wizard strongly on temperature of the resistance material As the English fa LAT calibration E CLT calibration MAP Sensor has a negative temperature coefficient so its resistance names indicates Negative Temperature Coefficient thermistor E d decreases when temperature grows fl Oxygen Sensor Il 55 and gearbox Cl Failsafe These sensors are connected to the EMU device in the following way Ka B18 CLT and IAT sensors wiring diagram IAT and CLT sensor calibration takes place by using 2D tables respectively IAT Calibration and a 4 CLT Calibration This table defines the divider s voltage created by the sensor and built in the EMU pull up resistor corresponding to the given te
52. ngle table Knock sensors Idle F Outputs 87 Boost GC Sport amp Nitrous Ignition angle tim deg lt Other 0 0 H E Log 20 30 40 50 conlant Temp a 0 0 oc 0 0 eee er a Ignition vs CLT table determines the correction of the ignition advance in the function of temperature of the cooling liquid IGNITION vs IAT G J Ignition A Coils dwell wizard Primary trigger Secondary trigger Ignition outputs Ignition event trims Soft Rev Limiter a Coil dwell time ia Coil dwell corr ba Ignition vs CLT i Ignition vs LAT H Ignition angle table Knock sensors HG Idle F Outputs H 7 Boost ES Fe Sport Nitrous HA Other H E Log G Gauges temperature Ignition Ignition vs IAT 20 30 40 50 60 ZU 80 Intake Air Temp S Ho 2 Jo ole so mo fn 2 Ignition vs IAT table determines the correction of the ignition timing in function of the intake air Page 62 IGNITION ANGLE TABLE e Ignition K Coils dwell wizard Primary trigger Secondary trigger Ignition outputs Ignition event trims Soft Rev Limiter kd Coil dwell time l Coil dwell corr kal Ignition vs CLT kal Ignition vs IAT ES Ignition angle table Knock sensors H E Idle y Outputs GS Boost GC Sport H Nitrous J Other ET Log HI a Gauges e Ignition Ignition angle table 20 30 40 50 70 90 110 130 150 170 190 210 230 250 270 290 MR sensor loa
53. njectors wizard E General J Injectors phase Fuel cut EGO Feedback Fueling Injectors cal m tai Injectors cal Ignition ER Knock sensors H E Idle H F Outputs 7 Boost SE Sport 80 90 100 11 0 120 130 140 15 0 16 0 170 DW Nitrous Battery W V EK Other Injectors cal map is used to calibrate the time of injector s opening in the function of voltage in the electrical system The lower the voltage the more time passes from energized injector s selenoid until it is fully open These times are different depending on the type of injector and the fuel s pressure The higher the pressure the longer injector opens In case of popular injectors we can use the njectors Wizard Fueling CA Injectors wizard Fe General Injectors wizard Injectors phase SH Fuel cut Predefined injectors Siemens DEKA 578cc Fan EGO Feedback f l Injectors cal e Ignition g Knock sensors Ber Idle F Outputs EF Boost Ss Sport Ch Nitrous HX Other a G L ps Page 48 BAROMETRIC CORRECTION EN Na Fueling Sc A Injectors wizard JE General JE Fuel cut EGO Feedback Sg Injectors cal HES ve table E Injectors phase E Barometric corr Sie ES AFR table H e Ignition Idle Hi it Outputs H Boost HE Sport Knock sensors Ch Nitrous 30 Other H Gauges Fueling Barometric corr s Ee e Ti p D C OC
54. o ATMA min A AIN 4 max 5 Unit unit in which values of the given analogue output will be represented Ratio multiplicative constant of equation Offset additive constant of equation Min minimal value of signal Max maximal value of signal Output value UNIT Input voltage RATIO OFFSET Page 36 FUELING PARAMETERS Configuration of Fuelling parameters is responsible for fuel dosing both for the dose s size and the fuel injection angle The performing element in case of fuel dosage is the injector It is the electro valve that allows the precise dosage of the sprayed fuel Fuel dosage is regulated by the width of electric impulse on the winding of injector coil Directly to EMU we can connect Hi Z injectors gt 8 Ohm Up to 2 Hi Z injectors can be connected to one Injector output In case of Lo Z injectors lt 4 Ohm we should apply the resistor limiting the current 4 7 Ohm 50W for each injector or additional external Peak and Hold controller i Connecting Lo Z injectors directly to EMU device can lead to the damage of the device or injectors Injectors should be powered by the properly selected fuse The fuse s value results A from the maximal current taken by the given injectors Injectors are controlled by switching to the ground and require the connected power grounds G17 G24 B24 12V 10A
55. of signal from VSS WARMUP ENRICHMENT Fuel enrichment due to Warmup enrichment table WBO HEATER DC WBO heater duty cycle Page 85 WBO IP MEAS Measured value of WBO IP WBO IP NORM Normalized value of WBO IP WBO RI Measured value of WBO RI WBO VS Measured value of WBO VS Page 86
56. ope trace of VR sensor output using trigger wheel 60 2 Page 24 What is characteristic for this sensor is the fact that it has polarity what is crucial when connecting it to EMU Inversely connected will prevent the synchronization of ignition Signal from such sensor especially with low speeds where its amplitude reaches several hundred millivolts is very sensitive to interference For that reason it must always be connected with the cable in the screen It should also be emphasized that the screen connected to the mass can be only on one side of the cable A different kind of sensor of engine speed is a sensor using the so called Halle phenomenon In contrast to the variable reluctant sensor it requires powering In most such cases sensors have open collector outputs and require using the pullup resistor in case of EMU computer pullup 4K7 resistor is activated with the proper output configuration Hall sensor 5V Czujnik Halla CH1 2 00v 200 0us Delay 29 85ms Hall sensor Scope trace of Hall sensor output using trigger wheel 60 2 Hall s sensors require powering 5 12V but they are much more resistant to interference than magneto inductive sensors In practice we also use shielded cables to minimise chances of interference of the signal from the sensor In case of signals waveform from Hall sensors we are also dealing with the term of so called sig
57. ost pressure Sport contains functions used in motorsport Nitrous is responsible for nitrous oxide systems For logging data and visaul representation of EMU parameters categories Log i Gauges should be used Desktops There are 7 desktops in the Windows Client On each desktop user can place tables parameters blocks gauges etc Desktops layout is assigned to the specific EMU device and is stored on disk when the windows client is closed Page 15 DESCRIPTION OF BASIC CONTROLS The Client of EMU device consists of several basic controls which task is to facilitate the proper configuration of the device We can divide it into particular types ie Wizard creatior Paramblock parameter s block Table 2D E Table 3D Visual log parameters log Graph log graphical log enw Gauge Wizard This tool allows you a quick selection of the saved pre specified configuration of the given sensor An example of a wizard for a intake air temperature sensor is as follows IAT sensor wizard DE Predefined sensors User defined Temperature point 0 C 40 Sensor 0 ohm 45312 Temperature point 1 C 0 Sensor R 1 ohm 5896 Temperature point 2 C 100 Sensor R 2 ohm 185 OK Cancel The first cell in the right column is always in the form of a drop down list It allows to select the right characteristics from the sensors or other devices defined by the manufacturer such as
58. ous H A Other 17 Log ER GaUges Crl O iS Save project as Ctrl 5 Ctrl F Make permanent Fz ON Desktop 1 De Name Function Open project Open emu project files emu Save project as Save current project to disc Show full screen Enter full screen mode to leave full screen press CTRL F Upgrade firmware Upgrade device firmware Restore to defaults All tables and paramters will be restored to factory defaults Make permanent Save all tables and parameters into internal DataFlash Exit Exit to Windows Page 12 Menu EDIT File able Window Help Undo 10 Redo Show undo list Ctrl 2 Ctrl Deskto ni De Toggle panel F9 Toggle log Shift F9 Es unang Ignition ER Knock sensors H E Idle ER Outputs H 7 Boost 1 Se Sport i Nitrous a Other w E Log Hd Gauges Nazwa Funkcja Undo Undo last operation Redo Redo last undo operation Show undo list Show list of operations Toggle panel Toggle tree view panel Toggle log Toggle event log windo Page 13 Menu Window vr M d SU File Edit Help Cascade hext Previous G Idle F Outputs EF Boost K Sport a Za Nitrous HX Other GE Log E Gauges i Tile horizontally Tile vertically Close all windows Ctrl Shift C E Knock sensors Ctrl ShiFt H Ctrl ShiFt
59. puts ET Boost Fe Spork y Nitrous H Other zs ET Log 40 30 20 20 30 40 50 H Gauges Coolant Temp C Engine start Prime pulse 46 4 3 aeaa 28 24 FER 0 9 0 5 ao 20 fo 20 so eo 70 oo so soo fun e This table defines the injectors opening time during of the Prime pulse This function should be additionally activated in Parameters options Enable Prime Pulse The lower the temperature of the engine the higher the time of prime pulse Page 66 KONFIGURACJA PARAMETROW ENRICHMENTS AFTERSTART ER Enrichments AS Afterstart Enrichments Afterstart SH Acc enrichment dl ASE table F ES Warmup table Afterstart al Acc dTPS Rate ASE Duration 100 cycles a S Acc TPS Factor ae a Acc RPM Factor ER D Fueling e Ignition CR Knock sensors H 6 Idle ER y Outputs l ET Boost ER z Sport H Mg Nitrous HX Other a Log Hd Gauges When the engine starts the After start Enrichment phase begins in which the additional enrichment of the fuel dose is active in order to maintain stable engine revolutions This enrichment depends on the temperature of the cooling liquid the colder the engine the bigger the enrichment 2D table of this enrichment has the name of ASE table EN A Enrichments Ae gE Afterstart ba HA a enrichment freon g mem tabi pai f l Acc ATPS Rate ang S Acc TPS Factor OE Acc RPM Factor Fueling Ignition HG Knock sensors H
60. re PWM valve using two windings e g Bosch 0280 140 505 When it is not powered it is in the middle position Depending on which winding is powered the valve will get more closed or opened pe ae PA r uuaa nT ea aaa Sample connection of3 wire PWM valve Page 76 IDLE PARAMETERS op Idle Idle Parameters Parameters PID control Ignition control Parameters ta Idle Target RPM Idle valve type Pun fi Idle ref table i amp Frequency 20 Hz ES y Outputs eee G er Boost Stepper steps range 100 steps Sport Reverse ES Nitrous Idle PWM output None H A Other Afterstart RPM increase 50 RPM H E Log Afterstart duration 15 H Gauges Idle On if TPS below 3 Idle OFF if TPS over d Oo Increase idle above N55 30 km h VISS idle increase value O RPM The basic configuration of control of engine idle speed is in the Idle Parameters options Idle valve type type of the connected valve On Off PWM Stepper or its lack Disable Frequency frequency of PWM valve or stepper motor Stepper steps range range of the stepper motor steps you should provide the number of steps Reverse work in the reverse direction stepper motor or with the reverse duty cycle Idle PWM output output to which the PMW or On Off valve is connected Afterstart RPM increase value which will be used to increase the engine s speed for a short time after the start up to
61. rol function active LC FUEL ENRICHMENT Value of mixture enrichment by the Launch control function LC IGN RETARD Value of ignition angle correction due to Launch control function MAP Value of manifold absolute pressure NITROUS ACTIVE Active function of controlling the nitrous oxide injection NITROUS FUEL SCALE Value of mixture enrichment by functions of controlling the nitrous oxide injection NITROUS IGN Value of modification of the ignition angle by the function of nitrous MODIFICATION oxide control OVERDWELL Information about occurrence of overdwell PARAM OUTPUT 1 Parametric output 1 active PARAM OUTPUT 2 Parametric output 2 active PWM 1 DC Duty cycle of PWM 1 output RPM Engine speed SHIFT LIGHT ON Shift light output active TPS RATE Rate of change of throttle position TRIGGER ERROR Trigger error NO ERROR correct signal from crank and cam sensors TOOTH OUT OF RANGE tooth number of primary trigger out of predefined range UNEXPECTED MISSING TOOTH unexpected missing tooth on primary trigger input CAM SYNC ERROR cam synchronization error TRIGGER SYNC Ignition synchronisation status STATUS NO SYNC no synchronization SYNCHRONISING trying to synchronizing SYNCHRONISED synchronized Spark and fuel injection starts to occur VE Value of volumetric efficiency from VE table VEHICLE SPEED Vehicle speed VSS FREQUENCY Frequency
62. s of 2 and 6 of LSU 4 2 sensor connector E3 Gi CLT calibration EE VSS and gearbox A Enrichments Ar Desktop 2 yY Desktop 3 y Desktop 4 Y Desktop Wide band LSU 4 2 Gasoline 16 3 1 A Incorrect Rcal value will cause false readings of the lambda sensor Page 30 Values connected with PID controllers of lambda sensor controller should not be modified In case of LSU 4 2 probe you should apply the following guidelines the probe must be installed in the place where temperature of exhaust gas does not exceed 750 degrees in turbo cars we install oxygen sensor in downpipe the sensor should be installed in the position close to vertical you should always use original connectors the connectors must be clean and dry You must not use means like contact spray or other anti corrosion means you must not drive without a connected sensor into the EMU device as it will cause a significant shortening of probe s life EMU requires calibration Rca parameter when being connected to the new probe ar oe S Installation of the lambda probe in the exhaust system Pionout of the LSU 4 2 connector LSU 4 2 Q INA BN 3A 12V pe Bosch LSU 4 2 wiring diagram Page 31 VSS AND GEARBOX Vehicle s speed sensor is usually placed in the gearbox It is used by factory systems e g speedometer or the
63. s the starting fuel dose expressed in ms in function on the engine s temperature The higher the temperature the lower the dose For temperature 40 C the dose should be about three times higher than for temperature 70 C Too high values of the starting dose may lead to engine flooding making it difficult for spark plugs to ignite the compressed mixture For this reason you should start from short times and extend them until you reach the optimal engine start up FUEL TPS SCALE Engine start Parameters ba Fuel during cranking ba Fuel TPS scale bal Prime pulse Hua Enrichments Fueling Ignition Knock sensors Idle Outputs KH a K d CR Boost EG at a Ae 1 O Engine start Fuel TPS scale Sport Nitrous Other 0 Log 02 571014 20 5 30 40 Sf DU Gauges Throttle position 25 E E dd dd E E dd dg 85 60 60 peel naaa ngano x This table determine how the values from the Fuel during cranking table should be scaled depending on the current TPS position In case of 100 opening of the throttle the 0 value is applied what functions as the anti flood so it prevents the spark plugs from flooding and allows the cleaning of the combustion chamber from the excessive fuel Page 65 PRIME PULSE G6 Engine start Parameters Fuel during Er Var ki ba Fuel TPS scale al Prime pulse H a Enrichments H A Fueling tg Ignition EH Knock sensors fC Idle IO F Out
64. sor These values can be adjusted in the parameter set Failsafe 5 4 Configuration id IAT sensor wizard ba CLT sensor wizard Sensors setup Failsafe ba Ha LAT calibration a CLT calibration YTES een MAP failsafe value B dia CLT failsafe value E Egen Sensor IAT failsafe value SE V55 and gearbox EEE JE Failsafe Page 35 Analog Inputs EMU device has 4 analogue inputs which can be used as inputs activating functions of the device such as e g launch control or to log in signals from additional sensors There is a possibility to configure sensors so that voltage from the sensor is presented as physical value e g pressure expressed in bars To configure sensors connected to analogue inputs you have to use parameters Analogue Inputs 8 Configuration Desktop 2 Desktop 3 Desktop 4 Desktop 5 E H Sensors setup ZK IAT sensor wizard CLT sensor wizard Sensors setup Analog inputs MAP Sensor Analog inputs ee ATMA unit V Ee AINA ratio 1 V55 and gearbox Failsafe AIN 1 offset 0 Analog inputs AIN 1 min D f l AT calibration AINA max 5 ba CLT calibration AIN Z unit d EG Engine start SIN ratio 1 H a Enrichments AINA offset o G Fueling AIN min o ex samin INEZ max 5 H E Knock sensors G Idle AI M 3 unit y ES F Outputs AINA ratio 1 Boost ATNA offset 0 H Sport AIN 3 min o Nitrous INAS max 5 SS Other AIN 4 unit y H J Log AIN 4 ratio 1 EGG Gauges AINA offset
65. system supporting the steering wheel e g electrical support system Vehicle s speed can be also read from ABS sensors Ecumaster EMU device uses the VSS reading to regulate the boost pressure towards the vehicle s speed controlling idle or the recognition of the currently selected gear To configure the VSS sensor you should open the set of parameters VSS and gearbox Types of sensors and signals which they generate have been described in the following sections S88 Configuration EEN Desktop 2 y Desktop 3 y Desktop4 y Desktop gt e Sensors setup VSS and A TAT sensor wizard Sensors setup VSS and gearbox CLT sensor wizard O HIT i fa IAT calibration YSS and gearbox mas f l CLT calibration Sensor type VR Sensor SE MAP Sensor Trigger edge Falling Si TPS Enable pullup SE Oxygen Sensor Speed ratio 1 V55 and gearbox Gear 1 ratio l JS Failsafe Gear 2 ratio 1 m Engine start Gear 3 ratio 1 Hi Enrichments Gear 4ratio 1 EH Fueling Gear 5 ratio 1 H e Ignition Gear 6 ratio l En 4 Knock sensors Ratio tolerance 5 H E Idle Sensor type type of sensor used to read the speed We can choose Hall s sensor or inductive sensor VR sensor Trigger edge selection of the signal s edge which is to be used to read the speed Enable pullup switching the internal pull up resistor 4K7 used in case of Hall s sensor Speed ratio value of the multiplier of signal s frequency from VS
66. t values of the given parameters bloc Saving particular parameters blocks is useful during the exchange of configuration with other users or to create the base of settings e g configuration of various ignition systems Page 17 Table 2D 2D tables have the form of two dimensional graphs and are used to describe two dimensional non linear functions Thanks to their graphical form they are clear and easy to use a start Fuel during cranking 20 30 40 S ation Pato Ka The table in the bottom are values presented in the graph You can change the content of all cells while the values from the upper line correspond to the vertical axis on the graph and values in the lower axis to the horizontal one bins In order to change the content you should mark the cells which you want to modify and then enter the desired value You can also change the value of cells by using the and keys We will obtain a smaller change if we press the ALT key and greater if we press SHIFT On the toolbar of this window there are 2 icons described below fei Open the file with a 2D map a Save the file with a 3D map Page 18 Table 3D Below is an example of the three dimensional map 20 30 40 50 ZU 90 110 130 150 170 190 210 230 250 270 290 MAP sensor load kPa It consists of two main parts Table with numeric values Three dimensional graph The way of modifying 3D maps is
67. the manual E RPM RPM MAP kPa 400 TPS On the toolbar of this window there are 7 icons described below fei Open the file with a 2D table ke Save the file with a 2D table nl Expand the logo s area Decrease the logo s area Pause resume displaying data Registration of data in the memory takes place ds Pa a Clean the graph C O independently of this parameter Add subtract the displayed parameters from the list Page 22 CONNECTING THE EMU DEVICE When connecting the EMU device special attention should be paid to the connection of device s grounds and their wiring in the car s installation Wrong connections can create loops so called Ground loops Bad ground connections can cause many problems such as noisy readings from analogue sensors or problems with trigger errors EMU device has several kinds of grounds Device s grounds pin B17 is a ground used to power the device analogue ground pin B18 is the ground point for analogue sensors and power grounds B24 G17 i G24 are used to supply power outputs and ignition outputs The perfect situation is when the device s ground and power ground are connected to one ground point on the block engine s head and are lead through separate wires Power grounds in case of using active coils should be connected using wires with the 1 5 2mm diameter 12V power supply should be connected through the 3A fuse Below are
68. utor B Coils type Coils without amplifier 4 cylinder engine 1 passive coil is connected to ff tonition event 1 Ignition output 1 Ignition event 2 Ignition output 1 Ignition event 3 Ignition output 1 Ignition event 4 Ignition output 1 Ignition event 5 Ignition event 6 Ignition event 7 Ignition event 8 Ignition event 9 Ignition event 10 4 cylinder engine full ignition sequence order of cylinders ignition 1 3 4 2 active coils connected in the following order coil of the first cylinder to the ignition output 1 coil of the second cylinder to the ignition output 2 etc Ignition Ignition outputs 4 cylinder engine wasted spark ignition order 1 3 Vater outputs Spark distribution Coils 4 2 passive coils connected in the order coil of the coils type Coils without amplifier Ignition event 1 Ignition output 1 2 first cylinder to the ignition output 1 coil of the Ignition event 2 Ignition output 3 4 Ignitian event 3 Ignition output 1 2 fourth cylinder to the ignition output 2 coil of the ignition event 4 EE Ignition event 5 Mone third cylinder to the ignition output 3 and coil of n SE Ignition event 7 None Ignition event 8 None Ignition event 9 None Ignition event 10 None Page 57 In case when the first ignition event does not occur in the first cylinder you should properly modify the table of Ignition Outputs In the table below it is illustrated how the table of ignition outputs
69. wards the nominal speed determined in the map of Idle Target RPM Afterstart duration it determines what time after start up the engine will work with the increased idle speed Idle On if TPS below TPS value below which the control of idle speed is turned on Idle Off if TPS over TPS value above which the control of idle speed is turned off Increase idle above VSS vehicle s speed above which the engine will have increased idle speed VSS idle increase value value which will be used to increase the idle speed above the demanded as ncrease idle above VSS parameter Page 77 PID CONTROL El Idle Cl Parameters 3 PID control Cl Ignition control fa Idle Target RPM a Idle ref table y Outputs Boost Ho Sport Mitrous Other sl Log E Gauges Idle PID control Deadband RPM Enable PID control activates PID regulator of the idle speed kP kl KD gains of PID kP kl kD terms Integral limit maximal positive saturation of the regulator s integrator Integral limit maximal negative saturation of the regulator s integrator Max feedback maximal value appropriately and which can be changed by the regulator in the output DC defined in the table Idle ref table Deadband RPM maximal difference between the real engine speed and the one specified in the table of Idle Target RPM below which the regulator will not correct the idle speed IGNITION CONTROL
70. x fuel enrich maximal mixture enrichment Ignition retard rate the angle which the ignition is retarded for each 1V of the Knock level value Max ignition retard maximal ignition retard Restore rate number of engine revolutions counted from the moment of the knock disappearance after which the restoration of the nominal fuel dose and ignition advance takes place Page 82 APPENDIX 1 DESCRIPTION OF LOGGED PARAMATERS NAZWA PARAMETRU OPIS ACC ENRICHMENT Percentage value of mixture enrichment connected with acceleration enrichment ACC ENRICHMENT PW Time in ms which will be used to extend the injection time due to acceleration enrichment ACC IGNITION Ignition angle change due to acceleration enrichment CORRECTION AFR Value of air to fuel ratio measured with the wide band Lambda sensor AFR TARGET Value from AFR target table for the given load and engine speed AFTERSTART Value of after start enrichment ENRICHMENT ANALOG 1 Analog input 1 value ANALOG 2 Analog input 2 value ANALOG 3 Analog input 3 value ANALOG 4 Analog input 4 value BARO Value of barometric pressure BARO CORRECTION Percentage value of fuel dose correction in the barometric pressure function BATTERY VOLTAGE Voltage value from the battery BOOST CORRECTION BOOST DC Final duty cycle of boost control selenoid valve BOOST DC FROM Duty cycle of boost control selenoi
71. y look as follows Injectors phase Injector 1 Phase Ignitian event 1 Injector 2 Phase Ignition event 2 Injector 3 Phase Ignition event 2 Injector 4 Phase Ignition event 1 Injector 5 Phase Disabled Injector 6 Phase Disabled It should be emphasized that each injector is activated only once during the engine s work cycle 720 degrees Page 44 FUEL CUT Parameters Fuel Cut are responsible for cutting the fuel dose in case of exceeding the demanded RPM pressure in the intake manifold or in case of closing the throttle plate a Fueling 3 if Injectors wizard USI set e General SH Fuel cut PS EGO Feedback RPM Limit 6000 RPM ba f l Injectors cal Fuel cut above pressure 400 kPa f l Barometric corr 15 kPa BM AFR table aaa en H e Ignition CR Knock sensors H E Idle ER y Outputs ET Boost cl Ss Sport DW Mitrous H A Other CR Log Gauges Fuel cut above RPM 300 RPM Overrun Fuel cut decay rate 100 RPM Limit engine s speed above which the fuel dose is completely cut Fuel cut above pressure pressure in the intake manifold above which the fuel dose is completely cut It is used as the protection from overboost Fuel cut under pressure cutting the fuel dose in case the pressure drops below the defined level Fuel cut TPS limit value from the TPS sensor below which the fuel dose can be cut if engine speed is above Fuel cut above RPM Fuel cut above RPM if the value

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