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Sequential Multipoint Injection 3-4 Cyl: Beltrami Marco

This document provides technical specifications and details for a sequential multipoint injection system for 3-4 cylinder engines. It includes electrical characteristics, supported sensors, comparisons to other ECU models, interchangeability, diagrams of the system hardware, and details on new PTM and injector components. The system operates from 10-16V, supports up to 6A injectors and 4A gas valves, and includes sensors for gas pressure, temperature, MAP, fuel level, and lambda.

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Denis Alexander Ibañez Gonzales
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228 views13 pages

Sequential Multipoint Injection 3-4 Cyl: Beltrami Marco

This document provides technical specifications and details for a sequential multipoint injection system for 3-4 cylinder engines. It includes electrical characteristics, supported sensors, comparisons to other ECU models, interchangeability, diagrams of the system hardware, and details on new PTM and injector components. The system operates from 10-16V, supports up to 6A injectors and 4A gas valves, and includes sensors for gas pressure, temperature, MAP, fuel level, and lambda.

Uploaded by

Denis Alexander Ibañez Gonzales
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Sequential Multipoint

injection 3-4 cyl

Beltrami Marco
Cavriago, 11th October 2011
Electrical Characteristics

 Supply voltage: Vbatt= 10 ÷ 16V

 Working Temperature Range: -40 ÷ 105°C

 Quiescent current (actuators inhibited): Imax ≤ 0.5A

 Quiescent Current in standby: Istandby ≤ 5mA

 Injectors: Imax= 6A, Vbatt,max= 16V

 Gas Valves (2 output):


Pmax= 50W, Imax= 4 A (single common output)
Pmax= 25W, Imax= 2 A (two indipendent output)

1
Sensors

 Gas Pressure Sensor: AEB025, new PTM

 MAP Sensor: AEB025, new PTM, Original

 Gas Temperature Sensor: 4K7, 2k2

 Water Temperature Sensor: 4K7, Original

 Gas Level Sensor: AEB, 0-90 Ω, not standard, not standard


inverted

 Lambda Probe: 0-1V, 0-5V, 5-0V, 0.8-1.6V


Monoplug vs other ECUs
Feature AEB2001NC AEB2001PC Monoplug

Extended map (12x12)  Χ 


Progressive petrol to gas swicth   
Petrol addition management
(idle, addition, high RPM)  Χ 
Diagnosys on gas injectors  Χ 
Real time diagnosys on petrol injectors connection   
Diagnosys on sensors and change over swicth   
Gas injectors enable/disable for diagnistic purpose  Χ 
RPM reading from negative coil or Injection time  Χ 
Monoplug vs other ECUs
Feature AEB2001NC AEB2001PC Monoplug

Split fuel option  Χ 


Start & Stop vehicle managment  Χ 

Lambda probe reading and emulation


 Χ 
(two channel) (just reading one
channel) (one channel)

Multilayer board  Χ 
Linear Lambda probe emulation  Χ Χ

OBD II parameter reading and visualization  Χ Χ

OBD II Adaptativity  Χ Χ

Low standby current (Iq < 10µA)  Χ Χ


Interchangeable

 Compatibility with actual software (V>x.x.x) 

 Compatibility with actual configurations 

 Compatibility with actual kits 

 Compatibility with actual harnesses Χ

 Compatibility with actual firmwares Χ


Diagram
Harness drawing

Serial

Water Temperature

Gas Level Sensor

PTM

Lambda Probe

EV Gas 2

Gas
Injectors

Petrol cut injectors

Power Supply

EV Gas 1

RPM

Switch
Installation drawing
PTM sensor: gas Pressure and Temperature, MAP

 GAS Type: LPG/CNG

 Power Supply: 5 ± 0.2 V

 Map signal Output range: 0.5 ÷ 4.5 V

 Pressure signal Output range: 0.5 ÷ 4.5 V

 Temperature range: -40 ÷ 125°C

 Maximum Gas Pressure: 4.5 Bar


New PTM sensor: Mechanical installation

Manifold Pressure (MAP)

Pressure
Reducer

Out GAS GAS Injectors

PTM Sensor
(Pressure
Intake manifold
Temperature
MAP)
Injectors rail

Highlights
▪ Two Injectors families
▪ Aluminum
▪ Polymer

▪ Both version accept different hole size on same body


▪ High pressure up to 7 bar CNG
▪ Easy maintenance
▪ Cost/performance ratio
▪ Polymer version has better performances
(repeatability, cold conditions, endurance)

Aluminum version with integrated sensor

Polymer version
A.E.B. S.P.A. a socio unico
Via dell’Industria 20 | 42025 Cavriago (RE) | Italia
Ph. +39 0522 494401 | fax +39 0522 494410 | info@aeb.it | www.aeb.it

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