Engine Control Unit MS 7.4

High pressure injection

Integrated power stages for triple injection and use of:

• 4 cylinders up to 14,600 rpm
• 6 cylinders up to 9,700 rpm
• 8 cylinders up to 7,300 rpm

(for supply voltages >10 V, depending injection types and pressure ranges)

HP package for flat and V-engines inclusive (2nd Bank, fuel control valve 2, external cylinder 9-12)

Low pressure injection

• Max. 12 cylinders up to 16,000 rpm, high impedance injectors only

Outputs can be used alternatively as low side switches 2.2 A with fast decay

Ignition

• 8 integrated power stages up to 20 A
• alternatively, up to 12 drivers for use with external power stages

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Internal logger

• 4 GB memory on partition 1
• 16 GB memory on partition 1 (optional)
• 4 GB memory on partition 2
• Diagnostic channels
• Use of 4 GB USB data stick

Logging rates

• Usage of all features: 400 kB/s
• Primary logging use case: >800 kB/s
• Logging data download rate: up to 6.2 MB/s

Physical engine model for fast application

• determine engine load by throttle position or air pressure signals
• mixture control and basic ignition guided by main signal relative load rl
• Subsystems pit speed-, launch-, rpm-limiter and ASR are integrated inside torque control
• Separated power cut functions to assist several gear cut systems
• Diagnostics
• Integrated safety strategy for 2 electronic throttle controls

Integrated support of manual gearshift

Electronic throttle control

Variable Valve Timing VVT

Turbo control

Traction control

Launch control

LTE Ethernet telemetry support

Milled aluminum housing

4 motorsport connectors, 264 pins in total

Size without connectors

198 x 180 x 42 mm

Weight

1,610 g

Protection Classification

IP67

Temp. range (at internal sensors)

-20 to 85°C

Max. Vibration

Vibration Profile 1 (see Appendix or www.bosch-motorsport.com)

Power supply

6 to 18 V

CPU

Dual Core 1 GHz, FPGA

41 analog inputs

8 analog/digital inputs (shared)

10 digital inputs

21 internal measurements

1 x ambient pressure

1 x acceleration 3-axis

3 x ECU temperature

10 x ECU voltage (e.g., sensor supply)

6 ECU current (e.g., sensor supply)

18 function related inputs

8 x combustion chamber pressure input

2 x thermocouple exhaust gas temperature sensors (K-type)

2 x Lambda interfaces for LSU 4.9 sensor types

1 x digital switch for engine ON/OFF

1 x digital input for beacon receiver

4 x knock sensors

4 x sensor supplies 5 V / 50 mA

3 x sensor supplies 5 V / 400 mA

1 sensor supply ubat, 250 mA

9 x sensor grounds

2 x sensor screens

42 function related outputs

High Pressure Injection

2 x high pressure pump with fuel control valve

8 x high pressure injection for magnetic injectors

Low Pressure Injection

12 x 2.2 A low pressure injection for high impedance injectors

Ignition

12 x ignition control, IGBT or BJT, coils with integrated power stage, or max. 8 cylinders and coils without integrated power stage, 20 A

2 x 8.5 A H-bridge reserved for electronic throttle

2 x 3 A pwm lowside switch for Lambda heater

4 x 12 mA for control of Moog valves

15 freely configurable outputs

1 x 8.5 A H-bridge

2 x 4 A pwm lowside switch

6 x 3 A pwm lowside switch

4 x 2.2 A pwm lowside switch

2 x 1 A pwm lowside switch low dump resistant

5 output signals

5 x MUX outputs for internal signals like flywheel, knock signals, cylinder pressure

Configuration

Configurable flywheel- and trigger disc geometries
Selectable links between functions and in- or outputs

Function documentation

Automatically created during code generation

MatLab code generation

Support for customer own MatLab function development

Data Analysis tool WinDarab V7

System Configuration tool RaceCon 2.7.0.9 or later

LIFE (red)

AS618-35SN

Actuator (blue)

AS618-35SB

Combined (orange)

AS618-35SC

Sensor (yellow)

AS618-35SA

1 Ethernet 1 Gbit

2 Ethernet 100 Mbit

2 Realtime Ethernet

3 CAN

1 LIN

1 USB

1 RS232 for GPS or Telemetry, switchable depending on SW version

1 Time sync synchronization Ethernet

2 Network screens

Inspection services recommended after 220 h or 24 months, internal battery to be replaced during service.

Depending on your experiences with calibration of ECUs we recommend calibration support from Bosch Motorsport.

Please remember that the mating connectors and the programming interface cable are not included and must be ordered separately.