EM43

Ignition & Fuel ECU.

Analogue inputs:

  • Throttle sensor.
  • Airflow.
  • Barometric (Atmospheric)/Boost pressure.
  • Water (Coolant) temperature.
  • Air temperature.
  • Supply voltage.
  • Mapping adjustment for fuel/ignition.
  • Lambda sensor (narrow band).
  • 2 x spare analogue inputs.

Digital inputs:

  • Crank sensor input (magnetic or digital type set in hardware by RTD depending on required application).
  • Cam sensor input (magnetic or digital type set in hardware by RTD depending on required application).
  • 3 x ELS inputs (linked) (+12V to activate).
  • Ignition switch input for mail relay (+12V to activate).
  • Road speed input (digital type signal).
  • 3 x spare digital inputs.

Outputs:

  • 4 x injector outputs:- capable of driving 2.5ohm injectors directly for sequential injection.
  • 4 x ignition trigger signals:- driving individual ignition amplifiers for sequential ignition.
  • 6 x valve outputs.
  • 1 x tacho output.
  • 1 x shift-light output.
  • 1 x TTL output.
  • Mail relay +12V output.

Other details:

  • ECU program stored in removable permanent EPROM memory. ECU map data stored in permanent EEPROM memory but changes can be made to maps via pc.
  • At least one RS-232 compatible serial port & one parallel port are required for PC-ECU communications.
  • Internal data logging RAM for recording last quarter hour of engine data (at 10Hz). Data logging is automatically activated when engine revs exceed user-defined point (1000rpm minimum). Logging is paused when revs fall below switching point. Data is downloaded and stored on hard disk in CSV text format for viewing on a third party data analysis package.
  • Channels recorded are Engine speed, Throttle, Air flow, Pressure, Water, Air, Lambda, Supply volts, Spare input, Fuel injected value, Ignition advance, Cam position, logging start/stop marker and error flags for Cam sensor, Throttle, Air flow, Pressure, Water, Air, Lambda and Supply voltage.
  • EMSPC V9.x ECU mapping software will operate under MS-DOS, Win3x, Win9x or ME operating systems. A third party driver (DIRECTIO) is required to enable use with Windows NT, 2000 or XP. New windows based mapping software is currently under development.


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