The Engine Configuration node contains basic configuration information about your engine.
Engine CapacityThe Displacement of the engine. The units for Displacement are selected in the NSP software under Preferences > Units Options
Engine TypeThe type of engine being used. Select from Piston 4 Stroke, Piston 2 Stroke, and Rotary engines.
Number of Cylinder/RotorsThe number of cylinders or the number of rotors.
Compression Ratio (Nexus ECUs only)The static compression ratio of the engine. Used for estimation of cylinder pressure at TDC and generates the 'Estimated Cylinder Compression Pressure' channel.
AspirationThe aspiration type of the engine. Used to estimate the Engine Pressure Ratio if no EMAP Sensor is enabled.
- Naturally Aspirated - EMAP is equal to baro.
- Supercharged - EMAP is equal to baro.
- Turbocharged - EMAP is equal to baro until MAP is above atmospheric, then EMAP is equal to MAP.If an EMAP sensor is enabled, it is used to calculate Engine Pressure Ratio instead.
Max Cranking RPMThe RPM value below which the engine is considered to be cranking. Above this value the engine is considered to be running. Default 380rpm
Odd Fire EngineNormally disabled. Only enable this function if your cylinder firing angles are not symmetrical. i.e. they fire at odd (uneven) angles. When disabled (most engines) the ECU will assume an even fire engine and will automatically calculate the firing angles. When enabled the per-cylinder TDC Angle will become available for adjustment and will be used by the ECU. (Default = Disabled)
CylinderEnter the Firing Order of the engine here. This is used to determine the sequence in which the injector and ignition outputs will fire. Note that injector and ignition outputs are to be wired in cylinder number. i.e. output number goes to cylinder number.
TDC AngleOnly used when the Odd Fire option is enabled. The firing angle of each cylinder is entered so that fuel and ignition events are sequenced at the correct time. See 'Odd Fire Engine' for more details.
Bank InfoIf more than one engine bank is being used, each cylinder can be assigned a bank. The bank value is used by any function that requires banked cylinder information. Eg, O2 Control function when there is an O2 Sensor in each Bank to know which cylinders are controlled by which O2 Sensor, Nitrous control when per-bank corrections are required, Knock Detection and Control etc. Up to 2 engine banks are supported.Any 'V' style engine such as a V6 or V8 has two banks of cylinders. Most inline cylinder engine such as an Inline 4 or Inline 6 engine have one bank of cylinders, unless the sensor arrangement allows for 2 banks such as in twin turbo applications.