testing com alternators/regulators auxiliary com tester · pdf filetesting com...

TESTING COM ALTERNATORS/REGULATORS

AUXILIARY COM TESTER

(ACT)

Andrzej Sitarski

http://www.konceptis.com.pl/?�

Technical problems of alternators rebuilding

ACT can upgrade any low-tech

test bench


ACT – front panel Connections and controls


• External programmed EEPROM – includes up-to-date communication protocols (COM, PWM)

• Support for any low-tech test bench for ECU/BCM controlled alternator testing – main task

• User friendly, semi – automatic action • Quick COM interface indication • Simple LED line for COM alternator/regulator data

readouts and possible teaching purposes

ACT – specification (1)


ACT – specification (2)

• Possibility to identify and test COM alternators inside the engine compartment

• DRIVE(P-D) controlled alternators testing • Support for any low – tech regulator tester for

ECU/BCM controlled regulators testing • DF monitor • STA1/STA2 signals simulator • Supplied by companion test bench or by regulator

tester


COM controlled alternators testing

• Alternator(regulator) sees ACT as ECU/BCM • Semi-automatic detection appropriate COM interface

in less than 3 sec • Indicates and tests BSS type • Indicates and tests LIN(1/2) types • Hold function for precise COM data readouts • Possibility to create the alternator/regulator „work

shop” library • The alternator/regulator operates correctly – no

faults (no red alert), Vset control works correctly, data readouts are indicated


BSS type

• Voltage setpoint – variable / 5 steps (12.0V 15.5V)

• Load Resp Ramp – constant

• LED line indicates 10 bits data frame transmitted from regulator to ECU

• Possibility of BSS1/BSS2 identification


BSS data frame (transmit protocol)

• T – high temperature fault (1 bit/red) • M – mechanical fault (1 bit/red) • E – electrical fault (1bit/red) • DFM – DF monitor (6 bits/green) • C – communication fault (1 bit/red)


LIN type

• Voltage setpoint – variable / 5 steps (12.0V 15.5V)

• Load Resp Ramp – constant • Cut Off Speed – constant • Excitation Limitation – full field

• LED line indicates 3 bytes data frame

transmitted from regulator to ECU • Possibility to identify the alternator in the IDE

mode


LIN data frame (transmit protocol)

• T – high temperature fault (1bit/red) • M – mechanical fault (1 bit/red) • E – electrical fault (1 bit/red) • DFM – DF monitor (5 bits/green) • IE(T) – rotor current (6 bits/green) • C1, C2 – communication faults (2 bits/red) • CHS – check sum (8 bits/green) • <, > – shift faults, added by me


LIN alternator identification data (ID)

• ID byte – 3 bits + 5 bits • Supplier ID – 3 bits (8 suppliers) • Example: 000/BOSCH, 100/VALEO • Alternator/regulator ID – 5 bits (32 technical types) • ID data word helps to create the „work shop” library

of the LIN alternators/regulators


ID example

• Alternator – OEM number 0 121 813 001 (12V/220A)

• Companion regulator – OEM F00M 346 048

• ID byte indicated by the LED line – 000.01100

• 000(supplier ID) – BOSCH • 01100(alternator ID) – unit

data: 12V/220A, LIN2 interface, OEM alternator control limits (supplier knows)


ACT can test PWM/D controlled alternators with following

plugs: • L(RVC) – F / GM

• FR(LI) – SIG(RC) – A(S) / Ford • L – IG – RLO – M / Denso • C – S – L / Nissan

• P – D (DRIVE) / Mitsubishi


COM/PWM/D controlled regulators testing

• ACT supports any low-tech (light control)

regulator tester • The low-tech regulator tester provides power

and „Field circuit”

• ACT generates STA1 and STA2 signals and has got DFM monitor


Our ACT helps to upgrade your low-tech test bench and regulator

tester

Thank you for your attention

Andrzej Sitarski

http://www.konceptis.com.pl/?�

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