MR18 F3R ENGINE USER MANUAL 2021 - Formula Regional ...
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MR18 F3R ENGINE
USER MANUAL 2021
MR18 F3R Engine user manual V03, February 2021 Page 1 sur 29
Introduction
The engine has been designed specifically for use in F3R single-seater applications.
This Engine Installation and Operation Manual has been developed and written for the exclusive use
of F3R racing teams. It is therefore, written with these professional organizations in mind and as such
may not contain the necessary detail and safety information that may be required for non-professional
teams to perform the use and operation of the engine properly or safely.
The use of an exclamation point within a yellow triangle
indicates to the user that important installation, operating
and maintenance instructions must be followed.
MR18 F3R Engine user manual V03, February 2021 Page 2 sur 29
Contenu
1. General information ........................................................................................................................ 5
1.1 Engine area .................................................................................................................................... 5
1.2 Power curve ................................................................................................................................... 5
1.3 Torque curve ................................................................................................................................. 6
2. Engine delivery ................................................................................................................................ 6
2.1 Engine packaging ........................................................................................................................... 6
2.2 Security seals ................................................................................................................................. 7
2.3 Engine identification...................................................................................................................... 8
3. Software .......................................................................................................................................... 8
3.1 Magneti Marelli Software.............................................................................................................. 8
3.2 SYSMA............................................................................................................................................ 9
3.3 TIRE CHOISE ................................................................................................................................. 10
3.4 Wintax ......................................................................................................................................... 11
4. Electronic ........................................................................................................................................... 11
4.1 ECU .............................................................................................................................................. 11
4.2 ELB ............................................................................................................................................... 11
4.3 Computer setting......................................................................................................................... 12
4.4 Electronic diagnostic ................................................................................................................... 12
4.5 Engine diagnostic......................................................................................................................... 13
5. Engine usage ...................................................................................................................................... 14
5.1 Oil system .................................................................................................................................... 14
5.2 General: ....................................................................................................................................... 14
5.3 Maintenance after each event: ................................................................................................... 14
5.4 Engine Wiring Overview: ............................................................................................................. 15
5.5 Engine sensors installed on chassis: ............................................................................................ 15
5.6 Lambda sensors important note: ................................................................................................ 16
5.7 Barometric pressure sensor important note:.............................................................................. 16
5.8 Air filter........................................................................................................................................ 16
5.9 Frequency of maintenance .......................................................................................................... 17
6. Starting procedure......................................................................................................................... 17
6.1 Before starting ............................................................................................................................. 17
6.2 Pedal/throttle/ewastegate learning............................................................................................ 19
Pedal sensor voltages range .......................................................................................................... 19
MR18 F3R Engine user manual V03, February 2021 Page 3 sur 29
Pedal/throttle learning procedure: Duration approximately 30 seconds ..................................... 19
6.3 Engine warm procedure .............................................................................................................. 20
7. Engine usage ...................................................................................................................................... 21
7.1 General precautions .................................................................................................................... 21
7.2 Operating temperatures and pressures ...................................................................................... 21
Coolant temperature: .................................................................................................................... 21
Engine oil temperature:................................................................................................................. 21
Engine oil pressure ........................................................................................................................ 22
7.3 Engine speed limiter .................................................................................................................... 22
8. Engine maintenance ...................................................................................................................... 23
8.1 Maintenance table ...................................................................................................................... 23
8.2 Air filter cleaning procedure........................................................................................................ 23
8.3 Spark plug replacement procedure ............................................................................................. 24
8.4 Oil filter replacement procedure................................................................................................. 25
8.5 Clutch tightening procedure: ...................................................................................................... 25
8.6 Fly wheel tightening procedure: ................................................................................................. 25
9. Contact .............................................................................................................................................. 26
Appendix 1............................................................................................................................................. 27
MR18 F3R Engine user manual V03, February 2021 Page 4 sur 29
1. General information
1.1 Engine area
Engine area included following FIA regulation: Engine area exclude
- Engine - Fuel piping
- Engine loom - Intercooler (air and water)
- ECU - Bellhousing
- Barometric pressure sensor - Slave cylinder
- Beacon (car and track) - Downpipe
- Complete air box and air filter - Air-cooler piping
- Flywheel
- Clutch
- Starter
- Lambda sensor
- Exhaust temp sensor
1.2 Power curve
MR18 F3R Engine user manual V03, February 2021 Page 5 sur 29
1.3 Torque curve
2. Engine delivery
2.1 Engine packaging
All MR18 F3R engines are delivered in their specific transportation wooden box. Use exclusively these
boxes for travels.
MR18 F3R Engine user manual V03, February 2021 Page 6 sur 29
A complete spare engine is considered as pictures below. Engine must stay in that stat for rebuild or dyno-check in ORECA. 2.2 Security seals All engines, new or rebuilt, are delivered with 1 electronic seals and 9 aluminum seals. MR18 F3R Engine user manual V03, February 2021 Page 7 sur 29
2.3 Engine identification
Engine number is written on the ELB plat fixation on the top of the plenum.
3. Software
3.1 Magneti Marelli Software
Wintax basic and Sysma basic will be delivered with new car. Wintax is software for data
downloading and analyses. Sysma is software for ECU calibration.
One Wintax basic and one sysma basic will be delivered per new car. Both basics software are
activated by Password (one per computer).
Example of Password request:
Send screenshot to: Olivier AIRAULT o.airault@oreca-magnycours.fr to have Password back.
MR18 F3R Engine user manual V03, February 2021 Page 8 sur 29
3.2 SYSMA 1- Open Sysma basic 2- Open Project FR19_12.11.1.4_2020-11-27_TEAM_V10 3- Select “Control” when power is turned ON. “Control” will come green. Note that it can take a bite of time to reach the connection. 4-Then you can see all engine sensors values and adjust Gear ratios and shifting LEDs. To read the value from ECU press F6 or Read table To write a new value in the ECU press F7 or Write table MR18 F3R Engine user manual V03, February 2021 Page 9 sur 29
3.3 TIRE CHOISE On the new Sysma project, you are about to choose on “FR19_GEAR” window the tire supplier (HANKOOK / MICHELIN / PIRELLI). This parameter will adjust wheels circumferences. Example: Tire set in the ECU Tire selector HANKOOK/MICHELIN/PIRELLI The good tire must be set to have the good car speed on your devices and the good pitlane limiter speed. MR18 F3R Engine user manual V03, February 2021 Page 10 sur 29
3.4 Wintax
Wintax4 user manual will be delivered with Wintax software. Channels information can be found on
APPENDIX 1.
4. Electronic
4.1 ECU
Engine management is done by ECU Magneti Marelli SRG140.
4.2 ELB
Every engine is equipped with ELB (Magneti Marelli). This device will record strategic information
during engine life.
ELB must be connected full time. In case off disconnection,
Ignition limiter applied will be 3750 RPM.
MR18 F3R Engine user manual V03, February 2021 Page 11 sur 294.3 Computer setting ECU communication is done by the TATUUS Ethernet communication cable. First, you must change computer IP address (IPV4) as following and switch of firewall & wifi. IP: 192 . 168 . 111 . 75 Mask: 255 . 255 . 255 . 0 4.4 Electronic diagnostic In case of sensor issue, you must check Vref supply. With any short circuit on loom or sensors, the 5V will drop. All sensors in the same Vref supply will wrong. MR18 F3R Engine user manual V03, February 2021 Page 12 sur 29
Vref distribution:
Vref 1 Vref 2 Vref 3 Vref 4
Rail-P E-WasteGate Accelero F Brake-P
Throttle P/2-2 FL Damper R Brake-P
Oil-P P/2-1 T/2-1 FR Damper Steering Pos
Pedal A Gear-Pos RL Damper Baro-P
Pedal B Clutch-P RR Damper N-Turbo
CRANK
CAM IN
CAM EX
4.5 Engine diagnostic
Ignition limiter active
Diag Signification Comments
1 Std 1 Limiter OK
4 DBW Throttle default. Delta throttle position coherency between track 1 and track 2 > 15% for 250ms
6 p21 P boost default. Boost pressure too high
7 Pit Pit limiter active
8 nTurbo Turbo speed default. Turbospeed too high
11 Pedal security Pedal security. Throttle pedal> 70% + P brake> 40 Bars for 150 msec = engine kill
12 Kill Ignition switch off
14 ELB ELB default. ELB connection is lost
17 Engine security Engine security. Oil pressure is less than 1 Bar for 2 seconds or Water temp is higher than 120°C for 3 seconds
Engine synchronization Gear State
Diag Signification Diag Signification
2 Crank 1 0 Idle
3 Crank 2 3 Up extract time out
4 Cam 1 4 Up extract
5 Cam 2 5 Up engage Tmo
6 Up engage
Engine state 8 Up lock
Diag Signification 10 Up recenter
0 Stall 15 Up Failed
1 Cranking 19 Dn extract Tmo
2 Running 20 Dn extract
21 Dn engage Tmo
Kill status 22 Dn engage
Diag Signification 24 Dn lock
0 Run 26 Dn recenter
1 Killed 31 Dn failed
Wheel speed diag Synchronization state
Diag Signification Diag Signification
0 Ok 0 Stall
1 Off 1 Moving
2 Fault 2 Search
3 Conf
4 Phasing
5 Phased
MR18 F3R Engine user manual V03, February 2021 Page 13 sur 295. Engine usage
5.1 Oil system
Only Castrol Edge Titanium 10W60 can be used in the MR18 F3R
engine.
Oil filter is changed also after the bench breaking-in and power curves. Make sure to clean carefully
all oil pipes and oil tank (in bellhousing) before you mount a new or rebuilt engine in the car.
5.2 General:
Extreme care must be taken with the routing of all wiring looms
and positioning of equipment to avoid damage to wiring insulation
or over-stressing of internal cables.
Prevent the engine loom and the ECU loom from unlikely conditions that could cause damages:
- do not crush the loom.
- avoid friction on sharp or exposed edges.
- use preventive devices such as rub wraps where it is necessary.
- design a proper thermal insulation in order to protect the alternator and its loom.
- make sure that all electronic devices are properly fixed and cannot be damaged by vibrations.
5.3 Maintenance after each event:
- check the loom and all connectors.
- check all power connections on alternator, electric starter, chassis ground and power.
MR18 F3R Engine user manual V03, February 2021 Page 14 sur 295.4 Engine Wiring Overview:
1 ECU 11 E WASTEGATE 21 HP PUMP
2 P ATMO 12 COIL 3 22 CAM EX
3 CHASSIS 13 ELB 23 N TURBO
4 GCC 14 COIL 4 24 P 2/2
5 INTERCO 15 CAM IN 25 INJ / P RAIL
6 GND 16 STARTER 26 T EXHAUST
7 ELV IN (BLUE) 17 T GEARBOX 27 LAMBDA
8 ELV EX (RED) 18 PT 2/1 28 P OIL
9 COIL 1 19 T WATER 29 T OIL
10 COIL 2 20 THROTTLE 30 CRANK
5.5 Engine sensors installed on chassis:
Your car is equipped with engine sensors installed on chassis, make sure they are in a good status at
all time:
- Lambda Bosch sensor
- Barometric pressure sensor.
MR18 F3R Engine user manual V03, February 2021 Page 15 sur 295.6 Lambda sensors important note:
Please ensure that a small amount of Copper grease is applied to the threads prior to fitting.
The Lambda Sensors fitted to each exhaust tail pipe are very
sensitive items and therefore, care must be taken to ensure that
they are not damaged.
5.7 Barometric pressure sensor important note:
Never install the sensor with the
inlet hole oriented to the top.
5.8 Air filter
Cotton air filter is an important and sensitive part. On dirty circuits, ensure to use exclusively new filter.
Keep in mind that a new filter is only pre-oiled; specific COTTON air filter oil (distributed by K&N, Green,
JR, DNA, others…) must be added on a new air filter (each side) before to install it.
OIL FOR FOAM AIR FILTER IS STRONGLY PROHIBITED.
Air filter can be cleaned and re-used. It is important that your air filter be clean (or changed) regularly
to ensure an optimum engine performance and reliability. This interval can be greatly influenced by
your environment and driving conditions. In dusty areas, you may need to clean the filter more often.
Please refer to section 6.2 of the engine manual for air filter cleaning procedure. ORECA recommends
to customers to have a minimum of 2 spare air filters and a complete air filter cleaning kit.
MR18 F3R Engine user manual V03, February 2021 Page 16 sur 295.9 Frequency of maintenance
- Before each meeting, your air filter must be new (or cleaned)
- Clean it before the race (and clean it after the race)
- Dry your air filter after a wet practice / race
- Check your air filter if the car went in the gravel
- Change your air filter when it looks too dirty / old, or when the cotton does not still cover
the whole mesh of the air filter (if you see some holes in the mesh).
6. Starting procedure
6.1 Before starting
Before starting, you must ensure the following points:
- Coolant and engine oil at a correct level.
- Cold engine ONLY: open the water circuit up to 50°C water temperature.
- Proceed to Pedal/throttle/eWastegate learning before the first start of each meeting, or after any
intervention on the throttle, pedal or Wastegate.
-Check all temps and pressure sensors.
MR18 F3R Engine user manual V03, February 2021 Page 17 sur 29-ELB state must be “Link ON” and limiter active “Std1”. Limiter apply will be 6750 RPM. -check sensors and injectors supply. All Vrefs must be close to 5.000 Volts and Vtank must be close to 67 Volts. MR18 F3R Engine user manual V03, February 2021 Page 18 sur 29
6.2 Pedal/throttle/ewastegate learning
Pedal sensor voltages range
Pedal voltages must be in the below voltage ranges to able to success the learning.
Off pedal (0%) Full pedal (100%)
Min value Max value Min value Max value
(Volts) (Volts) (Volts) (Volts)
Pedal sensor
RAW 1
1 3 3,1 4,9
Pedal sensor
RAW 2
1,8 4 0,2 1,75
Pedal/throttle learning procedure: Duration approximately 30 seconds
1) Power off the car and press full throttle pedal while main switch is off.
2) Keep full throttle pedal, Turn ON main switch and keep full throttle pedal position for 6-7 seconds.
3) Release the throttle pedal (= remove completely the foot from it) and wait for the end of the
automatic pedal/throttle learning procedure (motorized throttles are going successively to MIN –>
MAX –> IDLE positions).
4) Make power cycle when learning is succeeded
It is possible to hear the motorized throttles during calibration. If
nothing happens, you must proceed to the complete
pedal/throttle learning procedure again.
MR18 F3R Engine user manual V03, February 2021 Page 19 sur 296.3 Engine warm procedure
- Ensure Neutral gear is selected
- Ignition OFF, use starter button to make the oil pressure increase to 2bar (cold oil) or 0.5bar (hot oil).
Never use starter button longer than 5 seconds in the way to preserve the electric starter.
- The engine is now ready for starting
- Ignition ON
-When engine is running, Engine State is “RUNNING” and SyncState is “Phased”. In case of starting
issue, you can check SyncState. If this value is not “Phased” under cranking you can have issue with
crank our cam sensors
-Engine is running
Verify Oil Pressure Immediately after Start (4 – 6 Bars).
- Check VVT errors. VVT1 is Inlet camshaft and VV2 is Exhaust camshaft. Both VVT err must be close to
0° when engine is running.
MR18 F3R Engine user manual V03, February 2021 Page 20 sur 29- Keep the engine speed between 2000RPM and 2500RPM until the coolant temperature reaches
50°C. Adjust water level if necessary. At coolant temperature = 50°C precisely, close the water cap.
- At IDLE speed press clutch and engage 1st gear Shift up gently from 1st to 6th gear until the coolant
temperature reaches 65°C, then shift down slowly to 1st gear.
- 1st gear engaged, rise engine speed at 3000-3200RPM stable and shift up to 6th gear. Release throttle
pedal and shift down to neutral. Take care that coolant temperature do not exceed 75°C at this point.
- Check reverse gear and go back to neutral.
- At neutral, use engine speed of 4000RPM for 10 seconds and kill engine.
- Turn ignition OFF.
- Check the oil level asap after Ignition OFF
7. Engine usage
7.1 General precautions
Always run the engine with the correct oil and water levels. Under no circumstance water/humidity
can stay in the airbox. Ensure to have a cleaned air filter and airbox each day.
7.2 Operating temperatures and pressures
Coolant temperature:
Warming up / Bad use Normal operating Bad use
50 75 110
Engine oil temperature:
Warming up / Bad use Normal operating Bad use
50 70 140
MR18 F3R Engine user manual V03, February 2021 Page 21 sur 29Engine oil pressure:
Bad use Normal operating Bad use
2.8 4 6
If an alarm is displayed during running, it is the teams responsibility
to bring the car into the pits. If an alarm is ignored the team will be
responsible for any damage which may be caused to the engine.
7.3 Engine speed limiter
Engine speed is limited by the ECU at 6750RPM. It is tolerates to use the limiter during maximum 3
seconds continuously.
We have 2 separate limiters:
Absolute IGNITION LIMITER: 6750 RPM (above this value the ECU doesn’t fire any cylinder)
To get smother limitation there are 2 pre‐limiter band (one for IGNITION and one for INJECTION). The
pre‐limiter band is setup at 50 RPM from 1st to 6th gear under absolute limiter. This means that the
engine starts limiter is 6700 RPM.
For Neutral and reverse, Rev limiter is 4000 RPM
MR18 F3R Engine user manual V03, February 2021 Page 22 sur 298. Engine maintenance
8.1 Maintenance table
8.2 Air filter cleaning procedure
Air filter is a key point for turbocharger reliability.
Read carefully this note before proceeding to the air filter
cleaning. Do not use high pressurized water (KARCHER). Hot water
(30°C) provides best result.
To clean your Green High Performance Air Filter, follow the steps below:
1. PRE-CLEANING
Tap the filter or blow with air to remove excess dirt.
2. APPLY CLEANER
Spray the filter with Green Filter Cleaner and allow the solution to soak in for about 15
minutes. The filter must not become dry
* Never use strong detergents, high pressure water, or gasoline.
MR18 F3R Engine user manual V03, February 2021 Page 23 sur 293. RINSE
Rinse the filter with warm water, clean side to dirty side to flush out the dirt.
4. DRYING
Allow the filter to dry naturally. Try to avoid heat because it might shrink the cotton. If you use an air
gun, do not blow closer than 30cm from the air filter and do it carefully, otherwise the air flow will
generate holes
5. APPLY OIL
Re-oil the filter using Green Filter Oil by using 1 spray per 2 square inches of filter. Take care to not
over-oil your filter. Remove the excess of oil on the rubber. Air filter is ready to use. OIL FOR FOAM
AIR FILTER IS STRONGLY PROHIBITED
* Never use motor oil, transmission fluid, WD-40®, or any other brand of filter oil as these
may damage your Green Filter. Use only genuine Green Filter Oil.
8.3 Spark plug replacement procedure
Spark plug replacement is requested at 5,000kms from last rebuild achieved. Use exclusively spark
plugs set 7711168144.
- Remove carefully the coils and blow air prior to remove the old spark plugs.
- Remove old spark plugs.
- Apply a small amount of copper grease on the threads of new spark plugs.
- Assemble the new spark plugs. Torque it by hand to compress the seal. Release it and torque it again
at 17Nm.
Special care must be taken when fitting back the coils.
Ensure that the coil connector number fits on the correct
cylinder number.
MR18 F3R Engine user manual V03, February 2021 Page 24 sur 298.4 Oil filter replacement procedure
Use exclusively oil filter P/N: 1520865F0B.
- Clean carefully the oil filter area prior to remove the old one.
- Remove old oil filter.
- Apply a small amount of oil on the seal of the new oil filter.
- Assemble the oil filter and torque it at 20Nm. Verify minimum 3 times the torque (filter shouldn’t
move) and mark its final position with a paint pencil.
8.5 Clutch tightening procedure:
- Read and carefully follow the Sachs instructions enclosed in the clutch box.
- Apply Loctite 243 and torque clutch nuts at 22Nm.
DON’T FORGET TO REMOVE THE INSTALLATION CLIP!
8.6 Fly wheel tightening procedure:
- It is recommended not to use the flywheel screws several times.
- Before tightening, apply copper grease or ARP grease on the thread and on the underside of the
screw head and torque fly wheel screw at 90 Nm.
MR18 F3R Engine user manual V03, February 2021 Page 25 sur 299. Contact Postal address: ORECA Magny-Cours Technopole du circuit 58470 Magny-Cours, France Phone: +33 3 86 21 08 00 Fax: +33 3 86 21 08 02 Olivier Airault, FR19 Project leader Mobile: +33 6 30 86 19 96 Email: o.airault@oreca-magnycours.fr Alain Sauvagère, Workshop Phone: +33 3 86 21 08 06 Email: a.sauvagere@oreca-magnycours.fr Gaël RAMBIER, Technical support during meeting Mobile : +33 6 70 27 29 34 Email: g.rambier@oreca-magnycours.fr MR18 F3R Engine user manual V03, February 2021 Page 26 sur 29
Appendix 1
ITEM UNIT SIGNIFICATION DECIMAL FRENQUENCE
aCam1_State Angular Cam 1 synchronization state 0 20Hz
aCam2_State Angular Cam 2 synchronization state 0 20Hz
AccX_Corr g Accelerometer X hw compensated 3 100Hz
AccY_Corr g Accelerometer Y hw compensated 3 100Hz
AccZ_Corr g Accelerometer Z hw compensated 3 100Hz
Analog_01 mV CAN-Cortex_extra-datas 0 200Hz
Analog_02 mV CAN-Cortex_extra-datas 0 200Hz
Analog_03 mV CAN-Cortex_extra-datas 0 200Hz
Analog_04 mV CAN-Cortex_extra-datas 0 200Hz
Analog_05 mV CAN-Cortex_extra-datas 0 100Hz
Analog_06 mV CAN-Cortex_extra-datas 0 100Hz
Analog_07 mV CAN-Cortex_extra-datas 0 100Hz
Analog_08 mV CAN-Cortex_extra-datas 0 100Hz
Analog_09 mV CAN-Cortex_extra-datas 0 50Hz
Analog_10 mV CAN-Cortex_extra-datas 0 50Hz
Analog_11 mV CAN-Cortex_extra-datas 0 50Hz
Analog_12 mV CAN-Cortex_extra-datas 0 50Hz
Analog_13 mV CAN-Cortex_extra-datas 0 10Hz
Analog_14 mV CAN-Cortex_extra-datas 0 10Hz
Analog_15 mV CAN-Cortex_extra-datas 0 10Hz
Analog_16 mV CAN-Cortex_extra-datas 0 10Hz
aSteering ° Steering wheel angle elaborated value (filtered) 1 50Hz
aSteeringRaw mV Steering wheel angle raw value 3 20Hz
BestLapTime s Lap best time 3 5Hz
BrakeBalance % Brake balance 1 20Hz
CarSpeed Km/h Car speed 1 50Hz
CcanRx1Raw Configurable Can Rx signal 1 raw 0 20Hz
CcanRx2Raw Configurable Can Rx signal 2 raw 0 20Hz
Crank_State Crank synchronization state 0 20Hz
DashAlarm bitmap data resuming all dash alarms active 0 20Hz
Digital_01 CAN-Cortex_extra-datas 0 100Hz
Digital_02 CAN-Cortex_extra-datas 0 100Hz
Digital_03 CAN-Cortex_extra-datas 0 100Hz
Digital_04 CAN-Cortex_extra-datas 0 100Hz
DistanceFull m Full distance elapsed 0 5Hz
DistanceLap m Lap distance 0 20Hz
DownshiftElv % Downshift electrovalve command 0 20Hz
ECU_AccX g Real ECU X axis accelerometer 3 20Hz
ECU_AccY g Real ECU Y axis accelerometer 3 20Hz
ECU_AccZ g Real ECU Z axis accelerometer 3 20Hz
EGA_MotorCurrent A Electric Gearbox Actuator Motor current 1 200Hz
EGA_MotorDuty % Electric Gearbox Actuator Motor duty cycle 1 200Hz
EGA_Request Electric Gearbox Actuator request 0 100Hz
EGA_ShaftPos mm Electric Gearbox Actuator shaft position 2 200Hz
EGA_TargetPos mm Electric Gearbox Actuator shaft target position 2 100Hz
Engine_kill Manual engine kill 0 20Hz
EngLoad_Req % Engine load request 1 20Hz
EngState Engine state 0 100Hz
ErrConfig Configuration errors 0 2Hz
Fuel_Pump Fuel pumlp state 0 5Hz
MR18 F3R Engine user manual V03, February 2021 Page 27 sur 29ITEM UNIT SIGNIFICATION DECIMAL FRENQUENCE FuelCons_mg mg Fuel quantity injected from power 1 0 10Hz FuelConsumption kg Fuel quantity injected from power 1 3 10Hz GDU_OutLed GDU leds outputs 0 20Hz Gear Gear position from -1 (reverse) to max gear 0 100Hz GearDnSw Filtered downshift switch request 0 50Hz GearDownshiftRequest Gearbox elaborated downshift request 0 50Hz GearState GearState 0 200Hz GearUpshiftRequest Gearbox elaborated upshift request 0 50Hz GearUpSw Filtered upshift switch request 0 50Hz gExtAccX g External acelerometer X axis elaborated value (filtered) 3 50Hz gExtAccY g External acelerometer Y axis elaborated value (filtered) 3 50Hz GPS Global Position System 0 50Hz GPS_ALTITUDE m Global Position System altitude 2 50Hz GPS_BEACON Global Position System beacon 0 50Hz GPS_LAP Global Position System lap 0 50Hz GPS_LAT ° Global Position System latitude 7 50Hz GPS_LONG ° Global Position System longitude 7 50Hz GPS_SPEED Km/h Global Position System speed 2 50Hz GPS_TEMP °C Global Position System temperature 0 50Hz IdealLapTime s Lap ideal time 3 5Hz Ignition Ignition power state 0 50Hz IgnLim_Abs rpm Ignition absolute engine limiter 0 20Hz IgnLim_Active Ignition active limiter 0 20Hz IgnPower Ignition power state 0 5Hz LapDiffBestTime s Lap diff with best lap time 3 5Hz LapDiffIdealTime s Lap diff with ideal lap time 3 5Hz Logger_FinalTime s Final lap time from Logger 3 20Hz Logger_Lap Lap counter from Logger 0 20Hz Logger_Run Run counter from Logger 0 20Hz mFuelCons1 Kg Fuel mass consumption from last tank fill up (1). 3 5Hz mFuelConsLap kg Lap fuel consumption ( mass ) 3 20Hz ParDiffBestTime s Diff with previous best time of the last partial (relative to beacon) 3 5Hz ParDiffIdealTime s Diff with previous ideal time of the last partial (relative to beancon) 3 5Hz PartialBestTime s Best time of the last partial (relative to beacon) 3 5Hz PartialIdealTime s Ideal time of the last partial (relative to beacon) 3 5Hz PartialTime s Time of the last partial (relative to beacon) 3 5Hz pBaro mbar Barometric pressure elaborated value (filtered) 0 50Hz pBrakeF bar Front Brake pressure elaborated value (filtered) 1 50Hz pBrakeR bar Rear Brake pressure elaborated value (filtered) 1 50Hz pClutch bar Clutch pressure elaborated value (filtered) 1 20Hz pOil bar Engine Oil pressure elaborated value (filtered) 2 50Hz pRail bar Fuel high pressure elaborated value (filtered) 1 50Hz pRailTgt bar Fuel high pressure target 1 20Hz PredictLapTime s Predicted lap time 3 5Hz PSD_Alarm Configurable Can Rx signal 15 raw 0 10Hz PSD_Aux A Configurable Can Rx signal 7 raw 2 10Hz PSD_Coils A Configurable Can Rx signal 8 raw 1 10Hz PSD_CU_HP A Configurable Can Rx signal 5 raw 1 10Hz PSD_ENGINE A Configurable Can Rx signal 9 raw 1 10Hz PSD_FED A Configurable Can Rx signal 4 raw 1 10Hz PSD_Fuel A Configurable Can Rx signal 3 raw 1 10Hz PSD_InputSt Configurable Can Rx signal 11 raw 0 10Hz MR18 F3R Engine user manual V03, February 2021 Page 28 sur 29
ITEM UNIT SIGNIFICATION DECIMAL FRENQUENCE PSD_OutSt Configurable Can Rx signal 16 raw 0 10Hz PSD_SPARE A Configurable Can Rx signal 6 raw 1 10Hz PSD_Starter1 A Configurable Can Rx signal 10 raw 1 10Hz PSD_Starter2 A Configurable Can Rx signal 12 raw 1 10Hz PSD_TBox °C Configurable Can Rx signal 14 raw 0 1Hz PSD_VBatt Configurable Can Rx signal 13 raw 1 10Hz rPedal % Pedal position elaborated value 1 50Hz rPedal1Raw Pedal track 1 raw value 3 50Hz rPedal2 % Pedal track 2 elaborated value (filtered) 1 50Hz rPedal2Raw Pedal track 2 raw value 3 50Hz RPM rpm Engine speed 0 200Hz SwFuelPumpState Force fuel pump switch state 0 20Hz SWP_Ana1_Downshift Switch panel analog 1 2 200Hz SWP_Ana2_Upshift Switch panel analog 2 2 200Hz SwPitLim_State Pit Limiter switch input state 0 20Hz SwResetDashAlarmState Reset dash alarms switch state 0 20Hz SyncState Synchronization state 0 50Hz Temperature_01 CAN-Cortex_extra-datas 0 5Hz Temperature_02 CAN-Cortex_extra-datas 0 5Hz Temperature_03 CAN-Cortex_extra-datas 0 5Hz Temperature_04 CAN-Cortex_extra-datas 0 5Hz tExhaust °C Exhaust temperature elaborated value (filtered) 0 50Hz TinjR1Cyl1_1 µs Main ramp injection time 1 cylinder 1 0 50Hz Tlm_LapTime ms Tlm Time through 2 Beacon events 0 20Hz tOil °C Oil temperature elaborated value (filtered) 1 20Hz tOilGbx °C Gearbox Oil temperature elaborated value (filtered) 1 20Hz tWater °C Water temperature elaborated value 1 20Hz UpshiftElv % Upshift electrovalve command 0 20Hz vBarrel Volt Barrel position elaborated value 3 500Hz VBatt volt Filtered battery voltage 2 50Hz vFuelCons L Fuel volume consumption from last tank fill up. 2 5Hz VFuelConsLap L Lap fuel consumption ( volume ) 3 20Hz Vref1_Corr V Reference voltage 1 hw compensated 3 50Hz Vref2_Corr V Reference voltage 2 hw compensated 3 50Hz Vref3_Corr V Reference voltage 3 hw compensated 3 50Hz Vref4_Corr V Reference voltage 4 hw compensated 3 50Hz Vrefi_Corr V Internal reference voltage hw compensated 3 50Hz Vtank_Corr V GDI power supply hw compensated 1 100Hz VVT1_Diag VVT1 diagnostic (to be confirm) 0 20Hz VVT1_Err °Crk VVT1 error 1 50Hz VVT2_Diag VVT2 diagnostic (to be confirm) 0 20Hz VVT2_Err °Crk VVT2 error 1 50Hz WSpeed_FL Km/h Front Left Wheel speed filtered 1 50Hz WSpeed_FL_Dg Front left wheel speed diagnostic 0 20Hz WSpeed_FR Km/h Front Right Wheel speed filtered 1 50Hz WSpeed_FR_Dg Front right wheel speed diagnostic 0 20Hz xDamper_FL mm Front Left linear Damper elaborated value (filtered) 1 100Hz xDamper_FLRaw mV Front Left linear Damper raw value 3 100Hz xDamper_FR mm Front Right linear Damper elaborated value (filtered) 1 100Hz xDamper_FRRaw mV Front Right linear Damper raw value 3 100Hz xDamper_RL mm Rear Left linear Damper elaborated value (filtered) 1 100Hz xDamper_RLRaw mV Rear Left linear Damper raw value 3 100Hz xDamper_RR mm Rear Right linear Damper elaborated value (filtered) 1 100Hz xDamper_RRRaw mV Rear Right linear Damper raw value 3 100Hz MR18 F3R Engine user manual V03, February 2021 Page 29 sur 29
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