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NIRA i7x Street
- World-beating Motorsport Engine Management System
NIRA i7x Street is a powerful engine management system for motorsport
applications based on Nira’s latest generation technology platform. To enable quick deployment, NIRA i7x Street is delivered in a package containing
• Engine management hardware
• NIRA rk - state of the art application software
• Extensive handbook
• Wiring harness with marked cables
• Galvanically isolated cable for fast and reliable laptop connection
 Tuner Friendly Features
• The user friendly application tool NIRA rk helps shortening
the start-up time, freeing up time for fine-tuning
• Compatibility with a very wide range of reliable stock sensors
and actuators improves installation robustness
TM
• FlexiPorts
ment
TM
• Inspect
enable the tuner’s own functionality develop-
presents on the fly data collections
 Functionality Designed to Beat the Competition
• Launch Control
• Anti Lag System
• Flat Shift
Mar 2012
• Advanced Closed Loop Boost Control
Input
No Description
Crank Shaft Position
1
High accuracy detection of the signal from an inductive or hall type sensor
Cam Shaft Position
1
Inductive or hall type sensor reading a wide range of cam trigger patterns
Manifold Air Pressure (MAP)
1
Air pressure as measured in the inlet manifold. 0-5 V ratiometric input
Boost Pressure
1
Air pressure between compressor outlet and throttle for advanced boost control
Manifold Air Temperature (MAT)
1
Air temperature as measured in the inlet manifold by a resistive NTC/PTC sensor
Throttle Position Sensor
2
Potentiometer type signal measured with a 0-5 V ratiometric input
Engine Coolant Temperature (ECT)
1
Engine temperature as measured by a resistive NTC/PTC sensor
Exhaust Gas Temperature (EGT)
1
EGT measured by bespoke sensor or resistive type high temperature sensor
Oil Temperature Sensor
1
Engine oil temperature as measured by resistive NTC/PTC sensor
Fuel Temperature Sensor
1
Fuel temperature as measured by resistive NTC/PTC sensor
Fuel Pressure Sensor
1
0-5 V ratiometric input
Ambient Air Temperature Sensor
1
Input for resistive NTC/PTC sensor
Ambient Air Pressure
1
Ambient air pressure sensor is built in onboard NIRA i7x Street
Wide Band Lambda Sensor
1
Input and control circuitry for the advanced Bosch LSU 4.9 lambda sensor
Auxilliary Temperature Sensor
6
Inputs for resistive NTC/PTC sensors
Auxilliary 0-5 V Sensor
2
Ratiometric inputs for 0-5 V sensors
Auxilliary 0-12 V Sensor
1
Input for 0-12 V sensor
Auxilliary Digital Pulse Sensor
2
Frequency measurement inputs for e.g. speed sensors or pulse width detection
Switch Input
3
Inputs for Anti Lag System, Flat Shift and Launch Control respectively
Output
No Description
Fuel Injectors
8
Fully sequential control of high impedance injectors
Ignition
8
Fully sequential control of active coil-on-plug ignition. Passive coils are
controlled via ignition amplifiers
1/2
Advanced regulation of boost pressure. Supports DC motor actuators
Boost Control
Tacho
1
Engine speed signal for tachometer
Idle Air Control
1
Regulation of idle air control valve
Fuel Pump Relay
1
Fuel pump on/off
Main Relay
1
Controls main relay for supply of 12 V components
Fan Relay
1
Controls relay for activation of radiator fan
ALS Airflow
1
Activates actuator controlled by anti lag system function
Auxilliary Lowside Output
4
General purpose outputs for controlling auxilliary devices
Auxilliary H-bridge Output
1
H-bridge for controlling DC motors and other h-bridge controlled actuators
www.niramotorsport.com
Mar 2012
Nira Control AB
Höglidsvägen 36
182 47 Enebyberg
Sweden