Tuesday, August 2, 2011

AEM Engine Management System

EMS-4 Universal Standalone Engine Management System

OVERVIEW
AEM’s EMS-4 Universal Standalone Programmable Engine Management System is the ideal standalone Engine Management System for modified Powersports and four-cylinder race car applications. The EMS-4 was created using AEM's powerful Series 2 hardware and includes all of its advanced features without the unneeded ancillary components.

WHY YOU WANT THIS
If you have modified your four-cylinder Powersports application beyond the factory ECU’s ability to control engine operation, or have a 4-cylinder race vehicle that does not require some of the advanced hardware features of an AEM Series 2 plug n play System , AEM’s EMS-4 provides complete engine control for the maximum power and reliability.


THE HARDWARE
AEM’s EMS-4 provides complete engine control for small engines with up to 4 cylinders. The unit includes a 36-pin connetor that is specifically designed to operate in harsh environments. It is completely sealed and weather/shock proof, allowing it to be mounted anywhere. The EMS-4 works with MAG or HALL crank inputs and can directly drive smart coils or an external ignitor such as AEM’s 4-Channel Coil Driver.





Injector/ Coil Outputs
Injector Outputs (8 ohm minimum, High Impedance Only)
4 Saturated
Coil Triggers 0-5V Falling Edge Fire (Do not connect to coil primary)
4
Timing Sensor Inputs
VR (Mag) Cam Input
1
VR (Mag) Crank Input
1
Hall VSS Input
1
Hall Crank Input
1
Hall Cam Input
1
Inputs/Outputs
GPIO - 1.5A Low Side Output / 0-5V Analog Input / Switch Input
4
GPIO - 1.5A Low Side Output / 0-5V Analog Input / PWM Output
4
O2 Sensor Input 0-5V Analog
1
Knock Sensor Input Programmable
1
Throttle Position Sensor Input 0-5V
1
Manifold Pressure Sensor Input 0-5V
1
Coolant Temperature Sensor Input 0-5V
1
Inlet Air Temperature Sensor Input 0-5V
1
Sensor Ground
1
5 Volt Reference
1
Communication
USB comms
Yes
Communication cables included
Yes
Fully enabled editing/logging software included
Yes
CAN bus equipped with Programmable Send / Receive
Yes
CAN data stream output
32 ch
DATA Acquisition
Internal data logging
8 MB
Maximum internal logging rate (per channel)
125 Hz
PC logging
Yes
Data analysis using AEMLog
Yes
Functions and Features
User adjustable knock sensor center frequency
Yes
Individual cylinder ignition trims
Yes
Individual cylinder fuel trims
Yes
High/Low speed fuel pump support
Yes
All channels/maps/tuning options unlocked
Yes
Boost control
Yes
Groundspeed based boost target
Yes
Nitrous injection
Yes
Staged injection
Yes
Ground speed limiting
Yes
Rate of Acceleration Control
Yes
Overrun boost enhancement (anti-lag)
Yes
Gear change ignition cut (shift-without-lift)
Yes
Password protected calibrations
Yes
Fuel & Ignition rev limiters
Yes
"In cockpit" global fuel trim capability
Yes
Gear dependent shift light
Yes
Evap/Purge function
Yes
Software definable "virtual" switch inputs
Yes
EGT Based fuel trims (additional hardware needed)
Yes
Maximum boost limit
None
Physical Dimensions
Length
120 mm
Width
114 mm
Height
35 mm
Finish
Black

Reasonable Price
AEM’s EMS-4 Universal Programmable Engine Management System is RM3950 including Installation and tuning

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