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ECOTRONS ALM-Inline, Manual

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ECOTRONS ALM-Inline Manual Download Page 11

 

                                                           

ALM-Inline Manual V1.0 

9 

Copy rights ECOTRONS LLC                              http://www.ecotrons.com 

 

5.2

 

How to use the communication function of ALM-Inline 

ALM-Inline with SCI port outputs a TTL level signal, voltage range is 0V to 5V. It needs a 
conversion circuit to convert TTL level to RS232 level, if users want ALM-Inline to connect 
to computer.

 

If the computer does not have a serial port, users also need an RS232-USB 

module to convert the 232 level to USB level. Ecotrons can offer you MAX232 adapter

 

and 

RS232-USB

 

module, but they are optional. 

The following figure is a picture of these modules 

 

 

 

 

Summary of Contents for ALM-Inline

Page 1: ...ALM Inline Accurate Lambda Meter V1 1 2 COPY RIGHTS ECOTRONS LLC ALL RIGHTS RESERVED Http www ecotrons com Note If you are not sure about any specific details please contact us at info ecotrons com ...

Page 2: ... left in the free air make sure it s dry and it s not close to the inflammable materials The ALM Inline is correctly connected to DC 12V power supply or 12V battery ALM Inline included parts List of ALM Inline parts Small ALM Inline 3 64 x 1 18 x 0 87 Bosch LSU 4 9 sensor Stainless plug and bung ...

Page 3: ...d dimension 5 3 1 Box size 5 Chapter 4 Protect your oxygen sensor 6 Chapter 5 ALM Inline operating instructions 7 5 1 ALM Inline with 0 5v analog output 7 5 1 1 Connect ALM Inline to the main board with ANOUT 7 5 2 How to use the communication function of ALM Inline 9 5 3 SCI Communication protocol 10 5 4 How to Configure 0 5v Analog Output 12 5 4 1 ANOUT Calibration 13 Chapter 6 DTC table 15 ...

Page 4: ...ratio analyzers and ALM Inline uses a closed loop module to control the temperature of the oxygen sensor to keep the LSU4 9 wide area oxygen sensor temperature accurately At 780 C LSU4 9 is a new wide area oxygen sensor developed from LSU 4 2 which is superior to LSU 4 2 and Bosch has used LSU4 9 wide area oxygen sensors for its automotive inspection equipment Bosch chip CJ125 is the integrated ch...

Page 5: ...efault ADV NO NO NO NO ALM B ANOUT SCI 0 5v NO 1 YES 0 5v LSU 4 9 default ADV NO NO NO NO ALM B CAN CAN NO 1 NO LSU 4 9 default ADV NO NO NO NO ALM B RS485 RS485 NO 1 NO LSU 4 9 default ADV NO NO NO NO ALM LED RS232 LED 4 bit 1 YES 0 5v LSU 4 9 default ADV NO NO YES YES ALM CAN CAN NO 1 NO LSU 4 9 default ADV NO NO NO NO ALM CAN II CAN NO 2 NO LSU 4 9 default ADV NO NO NO NO ALM II RS232 LCD 128 6...

Page 6: ...see lambda range and accuracy Range of O2 21 21 Response time 5ms updating rate 0 5v analog output in 5ms updating rate Heater Control Built in PID control with CJ125 Current Typical 1A Peak 3 5A Heater return H Separate wire from Ground Output Lambda analog output 0 5V analog the user can set Analog accuracy 0 005V error with a 10 bit DAC chip Communications SCI communications option Main Process...

Page 7: ...ALM Inline Manual V1 0 5 Copy rights ECOTRONS LLC http www ecotrons com Chapter 3 Appearance and dimension 3 1 Box size ...

Page 8: ...in the wideband LSU sensor into the same hole Bosch LSU and LSF have the same size of the thread More User Notes LSU sensors are not designed to work with leaded gasoline Using LSU sensor with leaded gasoline will reduce the sensor life With the LSU sensor installed in the exhaust pipe whenever the engine is running please also run ALM Inline which controls the LSU heater Otherwise long time runni...

Page 9: ...12V 12V Power supply Black thick wire GND H Ground Heater circuit ground 0V 0V Black thin wire GND R Ground Reference ground 0V 0V Blue wire ANOUT Lambda linear analog output 0V 5V 5 1 1 Connect ALM Inline to the main board with ANOUT This analog output from ALM Inline is linear to the actual Lambda AFR O2 measured By setting the lower point and upper points of voltage vs Lambda AFR O2 linear rela...

Page 10: ...ALM Inline Manual V1 0 8 Copy rights ECOTRONS LLC http www ecotrons com 0 Volt at Lambda 0 50 5 Volt at Lambda 16 0 ...

Page 11: ...age range is 0V to 5V It needs a conversion circuit to convert TTL level to RS232 level if users want ALM Inline to connect to computer If the computer does not have a serial port users also need an RS232 USB module to convert the 232 level to USB level Ecotrons can offer you MAX232 adapter and RS232 USB module but they are optional The following figure is a picture of these modules ...

Page 12: ...e not to use RS232 USB module MAX232 adapter can be directly connected with the computer serial port 5 3 SCI Communication protocol The software protocols used for SCI and RS232 bus are same The only difference is the voltage levels SCI is at 5v TTL while RS232 is at 12V SCI communication is based on automotive standard KWP2000 protocol default baud rate is 115200 no parity bit 8 data bits 1 stop ...

Page 13: ...bits optional Rpm Data7 256 Data8 40 optional Data8 Rpm Low 8 bits optional Data9 Vin 1 High 8 bits optional Vin 1 Data9 256 Data10 5 1024 optional Data10 Vin 1 Low 8 bits optional Data11 Vin 2 High 8 bits optional Vin 2 Data11 256 Data12 5 1024 optional Data12 Vin 2 Low 8 bits optional Data13 Sensor 1 Temp High 8 bits Sensor 1 Temp Data13 256 Data14 0 023438 273 DegC Data14 Sensor 1 Temp Low 8 bi...

Page 14: ... RS232 USB module it cannot be connected directly to the computer and interface module is required for level conversion see section 5 2 2 Run ALM GUI and connect to ALM Inline 3 Click Settings ALM Parameters open ALM Parameters window to set the ALM analog output range gauge range and fuel type etc 4 For example set 0V lambda 0 5 5V Lambda 2 Click Burn To ALM after changing the setting More detail...

Page 15: ...rons com 5 4 1 ANOUT Calibration Lambda mode ANOUT used to indicate changes in lambda the default setting 0 00 Volt at Lambda 0 50 5 00 Volt at Lambda 2 00 AFR mode ANOUT used to indicate changes in AFR the default setting 0 00 Volt at AFR 7 35 5 00 Volt at AFR 29 4 ...

Page 16: ...t at O2 20 99 5 00 Volt at O2 20 99 If customers want to modify these parameters user can refer to the chapter 2 4 of ALM GUI Manual http www ecotrons com support Note The limit range of analog voltage is 0 5v The value of lambda is 0 5 16 The low voltage must match the low Lambda You can t make 5V match 0 5 Lambda AFR and O2 are same with Lambda ...

Page 17: ... LSU yellow wire VM short to GND 1 Check the harness for short to ground 2 Change the LSU E5 LSU black wire UN short to power 1 Check the harness for short to power 2 Change the LSU E6 LSU black wire UN short to GND 1 Check the harness for short to ground 2 Change the LSU E7 LSU green wire IA short to power 1 Check the harness for short to power 2 Change the LSU E8 LSU green wire IA short to GND 1...

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