GPRP Rotary

The GPR Rotary Package is based on MoTeC's GPR Package with the addition of the following rotary engine specific features:

• Operates 1 to 4 rotor port injected rotary engines.
• Configurable engine timing modes for common rotary engines. See the Engine Speed Modes section for details.
• Configurable lead and trail ignition outputs for each rotor. Trailing ignition timing can be set as an angle relative to main ignition (i.e. split angle) or TDC.
• Configurable on-board knock detection for each rotor with up to two assignable knock sensors and 4 selectable center frequencies.
• Control of up to three injectors per rotor with user-defined tables to control the fuel contribution of each injector.
• Engine coolant and oil temperature compensations for engine speed limitation, ignition timing, fuel volume and boost limitation.
• Supports control of a sequential shutter valve with fuel injector integration as found in the Mazda RX8.
• Supports control of VFAD, VDI and APV intake manifold valves found on Mazda rotaries.
• Diagnostic verification of SSV, VFAD, VDI and APV valves via feedback position sensors.
• User configurable engine efficiency table with adjustments based on SSV, VFAD, VDI and APV valve status.
• Supports control of a stepper motor-based metering oil pump. This includes diagnostics and a warning system to detect if there is a component failure.
• Supports dual-speed cooling fans via three relay outputs, as found on Mazda rotaries.
• Cruise Control for vehicles equipped with DBW.
• CAN integration, for the Mazda RX8, to enable power steering, transmission and ABS operation. Wheel speeds, steering angle, fuel level, tire pressure monitoring and parking brake data are also received from the CAN bus for use by the ECU.

The following features of the MoTeC GPR Package are retained in the GPR Rotation Package:

• Closed-loop lambda control support; requires optional LTC with Bosch LSU4.9 sensor or LTCN with NTK sensor.
• Physical settings for engine displacement, fuel properties and injector characteristics allow for simplified engine start-up prior to tuning.
• Quick and easy engine tuning using the engine efficiency map.
• Modeling of engine load based on intake manifold pressure and intake manifold temperature. Alternatively, for example when using individual throttle bodies, the throttle position can be used.
• The fuel volume calculation takes into account the delay effects resulting from the secondary injector installation position (high).
• Sensor calibrations are available for many common automotive sensors. Sensor calibrations can also be set manually.
• Support for analog and digital sensors (frequency or duty cycle).
• Fuel transient compensation using fuel film physics modeling.
• Nitrous system with two stages of actuation and additional fuel pumps, bottle heater control and pressure sensor.
• Transmission brake control functionality ('bump') for perfect positioning of cars.
• MoTeC device support: ADR, E8XX, PDM, SLM, VCS.
• Test settings for most outputs, including injection and ignition outputs, to allow for easier setup.
• Turbocharger wastegate pressure control with pressure sensor and two PWM outputs.
• Configurable boost control with a single wastegate actuator. Single and dual solenoids supported.
• Configurable turbocharger bypass (blow-off) control.
• Configurable anti-lag for single turbo with ignition timing limit, fuel volume compensation, ignition cut, engine speed limit, boost aiming and throttle aiming tables.
• Supports two cooling fan outputs (PWM controlled).
• Configurable closed loop alternator control system for PWM field winding control.
• Air conditioning support with switched outlet control.
• Coolant temperature compensations for engine speed limit, ignition timing, fuel volume, fuel mixture, boost limit.
• Cooling pump output with PWM control.
• Coolant pump after-run functionality, optionally with additional pump output.
• Engine speed limitation with ignition cut-off and/or fuel cut-off.
• Fuel pump switched output.
• Fuel Flow Supply Sensor and Fuel Return Flow Sensor.
• Gearbox position detection via optional dual sensor or engine speed/wheel speed estimation.
• Intercooler temperature and spray control.
• Differential temperature control with dedicated temperature sensor and switched pump output.
• Calculation of engine load temperature, allows correction of inlet air temperature (compensation for heat absorption effect, etc.).
• Distance, time and lap number via BR2, GPS or switched input, with split and sector options.
• Configurable launch control with tables for engine speed, throttle limit, thrust aiming and fuel volume compensation.
• Race timing system with tables for ignition timing compensation, fuel mixture targeting, boost limit and acceleration limit.
• Closed loop engine idle control system using ignition, pull-by-wire drive or idle solenoid.
• Idle bypass control with stepper motor supported.
• Average Engine Load Channel with tables for engine speed limit, ignition timing compensation, fuel mixture targeting, turbo limit and throttle limit.
• Intake Manifold Flap Support (actuator with position).
• Intake manifold support (actuator with position feedback).
• Assisted engine start control with dedicated fuel volume and idle compensations during crank start and post-start.
• Total engine running time for engine hour logging.
• Configurable security for multiple users with different access options.
• Setting the brake state using a switch or pressure sensor.
• Setting the clutch state using a switch, a position sensor or a pressure sensor.
• Calculation of clutch slip.
• ECU internal G-force (acceleration) – longitudinal, lateral, vertical.
• The ECU CAN receive from a defined CAN ID for receiving data from MoTeC devices.
• Support of up to three separate CAN buses.
• Most common ECU channels transmitted over CAN using standard MoTeC CAN models.
• 8 configurable toggle switches and 8 rotary switches (wired or CAN input) with each of 10 positions simultaneously mappable to Launch Control, Pit Stop, Anti-Lag, Traction, Race Time Reset, Engine Max Speed Limit, Accelerator Pedal Travel, Ignition Timing, Fuel Mixture Target, Boost Limit, Traction Target and Traction Control Range.
• Pulsed tachometer output with configurable output pin and scale.
• Drive by Wire dual bank throttle servo control.
• Configurable throttle sensor input, with 2-channel analog or single-wire digital (SENT) protocol.
• Accelerator pedal sensor with translation table. Hybrid OE pedals (e.g. Ford) are supported – one analog and one digital channel.
• Use of an accelerator pedal sensor or a throttle position sensor in the case of a cable throttle.
• Differential pump output with user-defined differential temperature control.
• Transmission pump outlet with user definable transmission temperature control.
• Traction control with tables for Aim Main, Aim Compensation and Control Range.
• Measuring vehicle speed using wheel speed sensors, estimation or GPS.
• Vehicle speed limit control system (based on DBW accelerator), which can also be used for well speed limitation.
• Configurable warning system with light output and CAN.
• Auxiliary timing system with tables for ignition timing compensation, fuel volume compensation and fuel mixture target.
• Supports sequential and batch fuel injection.
• GPS acquisition and recording via CAN or RS232.
• 4 auxiliary outputs for PWM control of actuators added:
  • Duty cycle tables using engine rotation axes and throttle or manifold pressure.
  • Activation based on intake manifold pressure or throttle position.
  • Auxiliary Output 1 includes tables for Ignition Timing Compensation, Fuel Volume Compensation, and Mixture Target.
• Optional channels for additional sensors via input pin and/or CAN message, including:
  • Airbox mass flow, pressure and temperature
  • Ambient pressure and temperature
  • Boost pressure
  • Front and rear brake pressure
  • Brake switch
  • Clutch pressure and position
  • Clutch switch
  • Coolant pressure and temperature
  • Differential temperature
  • Engine oil pressure and temperature
  • Engine crankcase pressure
  • Exhaust Pressure Bank 1 and Bank 2
  • Exhaust Temperature (EGT) via TCA thermocouple amplifier, generic CAN or E888 for a single manifold, bank 1 and 2 manifolds and runners 1 through 4.
  • Exhaust Lambda via LTC, LTCN or PLM to a single manifold, bank 1 and 2 manifolds and rotors 1 to 4.
  • Fuel pressure and temperature
  • Fuel tank level
  • Gear position
  • Gear lever force
  • Gear neutral switch
  • Gear change request
  • Intake manifold flap position x 2, intake manifold runner position
  • Intercooler temperature
  • Steering angle and pressure
  • Transmission pressure and temperature
  • Turbocharger speed
  • Turbocharger inlet/outlet temperature
  • Turbocharger wastegate position
  • G-force (acceleration) – Longitudinal, Lateral, Vertical
  • Front/rear left/right wheel speed sensors, wired or CAN input