McLaren - 720S Coupe - Wiring Diagram - 2017 - 2017

Formula E Powertrain All details should be treated as preliminary. This document is proprietary and confidential • McLaren systems supply/integrate all Electronics on the Formula E racing car. • Data System, Motor Controller, eMotor, Gearbox, integration with XAP Steering Wheel/Display, Data Logging, integration with WAE BMS, data transfer to and from FIA Logger and ADR • Powertrain starts at receiving DC High Voltage at the Motor Controller, and ends at the Driveshafts • Developed from Formula 1 Systems and adapted for the challenges of Formula E All details should be treated as preliminary. This document is proprietary and confidential • TAG-400i controlling Motor, Gearbox and Data Acquisition. All details should be treated as preliminary. This document is proprietary and confidential • Standard ECU for Indycar and McLaren GT MP4-12C • Connected to McLaren Chassis harness • Controls all car systems • Gearbox • Pit Limiter • Rainlight/Ready To Move light • Water Pump • Includes many F1 style safety systems • Throttle/Brake Overlap • Gearchange inhibit • Redundant throttle inputs All details should be treated as preliminary. This document is proprietary and confidential • MCU-510 controlling the eMotor. All details should be treated as preliminary. This document is proprietary and confidential • Motor Control Unit derived from McLaren P1 Hybrid road car • Includes many of the Automotive Safety Systems required for road use • Water Cooled unit. DC Voltage in, 3 Phase output. CAN Controlled from ECU. • Built-in DC/DC Converter to charge 12V Auxiliary battery • Rated to IP66 All details should be treated as preliminary. This document is proprietary and confidential • eMotor (derivative of McLaren P1 hybrid motor). All details should be treated as preliminary. This document is proprietary and confidential • Based on the eMotor from McLaren P1 Hypercar • Water Cooled radial motor • 130Nm maximum torque • 17,500 maximum rpm • 200kW maximum battery power • ~91% efficient (battery to motor shaft) • Rated to IP67 • Features HVIL to protect users from live areas All details should be treated as preliminary. This document is proprietary and confidential • 5 Speed Sequential Gearbox. Hewland supplied, based on F3. All details should be treated as preliminary. This document is proprietary and confidential • 5 Speed Sequential Gearbox • Geared for 225kph • Splash Lubricated • Pneumatic Gear change system • 2:1 input shaft reduction ratio • Powerflow Differential All details should be treated as preliminary. This document is proprietary and confidential • Data Acquisition Sensors • • • • • • • • • • • • • 4 Wheelspeeds (passed via FIA Logger for TC prevention) 4 Damper Position Sensors (Linear Potentiometers) 4 Infrared Brake Disc Temp sensors Front and Rear Brake pressure Steering Angle Cooling Water Temperature and Pressure Gearbox Oil temperature Gearbox Pneumatic Air Pressure Accelerometer and Gyro data taken from ADR (TBC) Microwave Lap Trigger 3 Channel Throttle Sensor (2 for ECU Control, 1 for FIA Monitoring) Layshaft and Mainshaft Speeds All available MCU, Motor and BMS parameters All details should be treated as preliminary. This document is proprietary and confidential • Wiring Harnesses – Chassis Loom C26 Water Pump Power 4 socket DTP Right angle boots for both Water pump connectors. Exiting in direction of release tab. 310 C27 Water Pump CAN 6 socket DTM 310 Bottom Left C38 Water Pressure ASL1-06-05SB-HE 280 C25 Throttle AS1-10-35SN 510 C28 Brake P F ASL1-06-05SN-HE 250 C47 Energised LED ASU6-03-03SN 310 C48 ESS LH 13440AD2G25X1156 C49 ESS RH 13440AD2G25X1156 510 2000 C31 Damper FL ASL1-06-05SE-HE 510 660 C10 Lap Trigger FGS0F303YLM 400 C29 Brake P R ASL1-06-05SB-HE 540 540 C130 Transponder ASL1-06-05SD-HE C16 Master Power AS6-14-97PA 400 400 C17 Fused Power AS6-12-35PB C14 MCU Split AS1-10-35SN 180 C21 Speed FL ASL1-06-05SN-HE C51 Brake T FL ASL1-06-05SB-HE C30 Steering ASL1-06-05SC-HE 900 Refer to photo for keyway position LV1 and LV2 Main Keyway direction (red arrow) in direction of boot 900 690 220 C3 ECU Auxillary AS6-16-35SA C2 ECU Chassis AS6-18-35SN C1 ECU Engine AS6-16-35SN C46 FIA Sensor LV2 AS6-12-35SB C128 RESS Water In 2 Pin Jetronic 1928402078 400 450 240 C7 Dash Split AS6-12-35SA C4 FIA Logger AS6-16-35SN C5 FIA Logger AS6-16-35SA 250 C9 Column AS1-10-35SN 620 530 C126 RESS Water Power 4 socket DTP 150 1000 Right angle boot for Water pump connector. Exiting opposite direction of release tab. C129 RESS Water Out 2 Pin Jetronic 1928402078 630 630 1200 Bottom Right 100 200 C101 Spares AS1-16-35SN 620 C12 IP Dongle ASL1-06-05SD-HE C11 Radio ASL1-06-05SN-HE 1100 530 All details should be treated as preliminary. This document is proprietary and confidential C52 Brake T FR ASL1-06-05SB-HE 400 860 550 1000 C6 Rear Split AS1-14-35SN 400 C13 Fire Unit ASL6-06-05PN-HE Top Right 1430 C45 Battery LV1 AS6-12-35SN ADR boot to be in direction of master keyway (as per red arrow) C8 ADR AS6-10-35SN 620 C55 Safety Lights ASU6-03-05SA C56 Neutral Switch ASU6-03-03SA C22 Speed FR ASL1-06-05SN-HE C32 Damper FR ASL1-06-05SE-HE • Wiring Harnesses – Gearbox Loom C26 Speed Mainshaft ASL1-06-05SB-HE C28 Shift Down ASU1-03-03SA C29 Pressure Release ASU1-03-03SB 340 310 310 C11 Gbox Oil Temp ASL1-06-05SD-HE C23 Speed RL ASL1-06-05SN-HE C33 Damper RL ASL1-06-05SE-HE C30 Rainlight 620 220 220 220 C53 Brake T RL ASL1-06-05SB-HE 220 AMP 963040-3 C54 Brake T RR ASL1-06-05SB-HE C34 Damper RR ASL1-06-05SE-HE C24 Speed RR ASL1-06-05SN-HE C16 Gbox Air Pressure ASL1-06-05SN-HE 330 330 330 330 C15 Gbox Barrel pos ASL1-06-05SC-HE C25 Speed Layshaft ASL1-06-05SA-HE C27 Shift Up ASU1-03-03SN 330 330 330 400 C6 Rear Split AS6-14-35PN All details should be treated as preliminary. This document is proprietary and confidential • Wiring Harnesses – MCU Loom C4 MCU-510 726-6963 Ampseal 380 Resolver and motor HVIL should both run inside an additional heatshrink sleeve as they run to the same location. Sleeve should stop 50mm before Resolver (and 250mm before Motor HVIL) C14 MCU Split AS6-10-35PN 300 980 C35 Resolver 8 Pin DTM 790 (from C4) C97 Motor HVIL ASL6-06-05SE-HE 990 (from C4) C99 DC HVIL ASL6-06-05SE-HE C36 Water T to Motor ASL1-06-05SD-HE 250 C98 MCU HVIL ASL6-06-05SE-HE All details should be treated as preliminary. This document is proprietary and confidential • Wiring Harnesses – Dashboard Loom All details should be treated as preliminary. This document is proprietary and confidential • How it goes together. All details should be treated as preliminary. This document is proprietary and confidential • Control Systems • Throttle • Driver throttle Demand via a shaping map (user defined) goes into a look up table (6 selectable preconfigured maps) which translate to a torque application. • Preconfigured maps will provide different power curves to suit different periods of the race. All details should be treated as preliminary. This document is proprietary and confidential • Control Systems • Brake Regen • Braking Demand via a shaping map (user defined) is translated to an “Engine Braking” demand to provide retardation and energy harvesting during the braking zones. • Preconfigured maps will provide different regen curves to suit different driver requirements and match the need for different amounts of energy saving throughout the race. All details should be treated as preliminary. This document is proprietary and confidential • Control Systems • Regen Paddle • An analogue paddle exists that will provide an input (similar to a hand throttle) to allow the driver to apply variable amounts of engine braking, irrespective of mechanical Brake Pressure. • This will allow drivers a more flexible approach to “Coast and Lift” when saving energy. • All torque demands are summed. All details should be treated as preliminary. This document is proprietary and confidential •Safety and Switches All details should be treated as preliminary. This document is proprietary and confidential •Communications All details should be treated as preliminary. This document is proprietary and confidential •Dyno running • Completed 4,200 kms (equivalent to ~3 seasons) • Completed 4,000 gearshifts All details should be treated as preliminary. This document is proprietary and confidential •Track running • Testing with Low Power battery has validated majority of on car systems. • Next step 200kW! All details should be treated as preliminary. This document is proprietary and confidential •Future Developments • System is modular which will allow any component to be upgraded or updated as new technologies become available without obsoleting the rest of the system. • Chassis Harness has specifically broken out a number of spare signals (CAN, Serial, USB, Ethernet, Analogues, Digitals) to provide for future expansion and to minimise costs of additional requirements (Power Indicators, additional sensors, driver biometrics, TPMS). Questions? All details should be treated as preliminary. This document is proprietary and confidential