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Motec M84 ECU

Motec M84 ECU

ArtNr.: 13084
Standard outfit includes 512Kb for data logging and Wideband Lambda control (single channel)

Motec, Australia Manufacturer: Motec, Australia

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Motec M84 ECU

The M84 is a versatile, race-bred ECU that is suitable for a broad range of high performance applications, including engines with up to 8 cylinders. It also suits rotary engines with twin, triple or quad rotors.

This new, entry level ECU is based on the advanced technology in MoTeC's benchmark M800, with a package of features to suit more moderate system requirements. It includes on-board Wideband Lambda plus 512 kB of data logging memory as standard.

Install it as a stand-alone ECU or as part of a complete motorsport-ready engine management and data acquisition solution. 

Basic Specifications

Outputs

  • 8 x Injector outputs - high or low ohm

  • 6 x Ignition outputs

  • 8 x Auxiliary outputs - for functions such as boost control, idle speed stepper motor and many more

Inputs

  • Throttle Position

  • Manifold Pressure
  • Mass Air Flow
  • Fuel Pressure
  • Oil Pressure
  • Exhaust Temperature
  • Gear Position
  • User 1
  • Air Temperature
  • Coolant Temperature
  • User 2
  • 3 x Switched Analogue Temperature
  • 2 x Lambda Inputs (supports Wideband and Narrowband sensors)
  • 4 x Digital Inputs (wheel speed or switch)

Communications

  • 1 x CAN

  • 1 x RS232

Physical

  • Case size 147 x 105 x 40 mm
  • Weight 500 grams
  • 1 x 34 pin and 1 x 26 pin waterproof connector with gold plated contacts
 

Engine Tuning Features

  • Windows based ECU Manager tuning software with user definable screen layouts

  • Individual cylinder tuning of both fuel delivery and ignition timing

  • Suits modern engines, including those with coil per cylinder ignition

  • Fully configurable axis points on all tables

  • Highly configurable crank and cam trigger inputs to suit almost all OEM sensors and tooth patterns
  • Single Wideband Lambda input (dual optional)

Additional Distinct Features

  • Capable of advanced control functions, such as:
    • Traction control
    • Overrun boost enhancement (anti-lag)
    • Gear change ignition cut (flat shift)
    • Boost control
    • Nitrous injection (to be included in a future release)
    • Dual stage injection (Hi/Lo injection)
  • Configurable sensor inputs including custom calibrations
  • Capable of receiving and transmitting data via the CAN bus
  • Capable of receiving data from two Lambda measurement devices via CAN
  • Integrated advanced diagnostics, including injector and crank trigger diagnostics
  • Ref/Sync capture displayed on the built-in digital oscilloscope

Data Acquisition

  • Internal data logging (512 kB) with fast download via CAN
  • State of the art i2 Standard data analysis software

Several options are available as upgrades to customise and grow your system. These additional features are activated through a simple password system, at any time when you need it.

For the M84 engine management system the following upgrades are available:

Dual Wideband Lambda

Single on-board Wideband Lambda is included as standard, with a dual option available as an upgrade for applications that require more than one Lambda input.

Advanced Functions

  • Traction Control and Launch Control (2, 3 or 4 wheel)

  • Hi/Lo Injection (secondary injection)
  • Gear Change Ignition Cut (flat shifts)

  • Overrun Boost Enhancement (anti-lag)

Traction Control ‡

The Traction Control option enables user-programmable Traction and Launch Control. Traction Control reduces engine power, by cutting cylinders, to limit wheel spin when traction is broken.

Hi/Lo Injection ‡

Hi/Lo injection enables control of primary and secondary sets of injectors. The injectors are controlled using a 3D table to define the balance of fuel flow between primary and secondary injectors.

Gear Change Ignition Cut ‡

Gear Change Ignition Cut (also known as 'flat shift') momentarily cuts engine power to allow a gear up-shift at wide open throttle. An input to the ECU is used to trigger the cut.

Overrun Boost Enhancement ‡

Enables boost control to reduce turbo lag and improve throttle response in tight and twisty stages for turbocharged cars, specifically in rally events. 

‡ Traction Control, Hi/Lo Injection, Gear Change Ignition Cut and Overrun Boost Enhancement are available separately or as part of Advanced Functions.


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