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Engine management systems

OBR control systems is an award winning world leader in the supply of motorsport electronics. Specializing in engine, power and communication management systems. Our products are used in the world's most demanding environments ensuring performance and reliability.

Euro 4 Euro 4 Euro 4
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Variations

P/N# Model Crank And cam Trigger Price in USD
OBE-vr4 VR-VR-VR-VR VR-VR-VR-VR 1500

Euro 4

Management system for up to 8 cylinders

Drive by wire

Variable camshaft timing (multi-cam control)

Paddle shift with closed loop control

CAN BUS Input and Output

Built-in highspeed datalogger

Automatic closed loop fuel mapping

Traction control

System overview

  • PowerPC microprocessor
  • 8 cylinder fully sequential fuel injection
  • Dual-stage fuel injection for stand off injectors
  • Ignition output handles both logic and inductive, regular and COP coils.
  • Drive by wire throttle PID control
  • On-board datalogger with high speed sampling rate (200hz)
  • Automatic fuel mapping
  • Closed-loop lambda control
  • Closed-loop boost control
  • Closed-loop traction control
  • Closed-loop paddleshift control
  • Closed-loop variable camshaft control (VCT, VVT, VANOS etc.)
  • Closed-loop direct injection fuel pump Bosch and Hitachi (external driver required)
  • Closed-loop water pump control
  • Closed-loop pit lane speed control
  • Closed-loop idle control (ETB, stepper motor, ISC valve and ignition)
  • 2 selectable maps (all features in the ECU can be switch while driving)

Inputs

  • 20 analog inputs (0-5v)
  • 8 user defined CAN inputs
  • 4 trigger inputs (Hall/VR) for crank and cam sensors
  • 4 wheel speed inputs (Hall)
  • 3 spare digital inputs
  • 2 knock sensors
  • 1 built-in lambda controller
  • 1 built-in barometric pressure sensor

Outputs

  • 8 fuel injector drivers
  • 4 inductive ignition drivers
  • 4 logic ignition drivers
  • 8 multipurpose PWM and switch outputs
  • 1 lambda sensor heater
  • 1 electronic throttle body (full H-bridge)
  • 1 stepper motor driver (full 4-phase)
  • 4 independent 5.0v sensor power supply

Communications

  • 2 CAN 2.0B interfaces
  • Multiple pre-programmed and user defined CAN export and import
    • FIA RX datalogger
    • Bosch ABS
    • Marelli dashboard protocol
    • 2D dash
    • AIM dash
    • Stack dash
    • UDA91
    • VW Dash protocol (500Kbit)
  • 16 CAN identifiers available for export
  • 2 CAN identifiers available for import

Special features

  • 4 lambda sensors for individual closed loop PID cylinder trim
  • Special engine trigger patterns including several for motorcycle engines
  • Control strategy for paddleshift and air compressor
  • Control strategy for sequential closed loop gear change
  • Traction control with target slip maps and PID control
  • Pit lane, launch and external adjustable manual limiter
  • Programmable firing order
  • Paddleshift
  • Flatshift with closed-loop gear position control
  • Comprehensive CAN features
  • Special version available with fully encrypted software
  • Special version homologated for use in S2000 rally cars
  • Special version homologated for use in world touring cars
  • Launch control (With advanced rpm vs time curved)

General

  • Dimensions (very small and light)
    • Weight 365g (13 oz.)
    • 165 x 95 x 21mm  (6 1/2" x 4 3/4" x 7/8")
    • All aluminium and high-end vibration stable SMD PCB
  • 2 automotive Molex connectors with high pin density (96 in total)

Conditions for usage

  • Temperature range -40 to 125 Celsius (-40 to 257 Fahrenheit)
  • Power supply 7-16v
  • Splash-proof

Product information

Description Downloads
OBR Euro 4 Product information
OBR Euro 4.pdf ( pdf 1.81 MB )


Pinout

Description Downloads
Pinout
PDF version
OBR Euro 4 Pinout.pdf ( pdf 0.03 MB )


Firmware

Description Downloads
Euro 4 firmware 345
Euro 4 firmware 345.XIP ( xip 0.21 MB )