Aim LCU-One CAN User Manual
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Aim LCU-One CAN User Manual

For mychron5
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User Manual
LCU-One CAN for MyChron5
Release 1.00

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Summary of Contents for Aim LCU-One CAN

  • Page 1 User Manual LCU-One CAN for MyChron5 Release 1.00...

  • Page 2: Table Of Contents

    3.3 – Stoichiometric mixture 3.4 – Bosch LSU 4.9 probe working 4 – Powering LCU-One CAN controller 5 – Installing the probe and LCU-One CAN lambda controller 6 – LCU-One CAN and MyChron5 6.1 – AiM Network 6.2 – Showing LCU-One CAN values on MyChron5 6.3 –...

  • Page 3: Lcu-One Can In Few Words

    1 – LCU-One CAN in few words LCU-One CAN is the lambda controller unit designed to work exclusively with Bosch LSU 4.9 wideband probes, which are the quickest and most accurate way to analyse exhaust gases and provide a real time parameter related to engine carburetion.

  • Page 4: What Is Lambda

    3 – What is lambda Lambda represents the ratio between actual mixture of air/fuel (A/F or AFR) admitted in the engine, compared to the optimum ratio (A/F or AFR stoichiometric) indicating an efficient fuel combustion. Lambda can be written as: where: A = parts of air (oxygen) in the combustion chamber F = parts of fuel in the combustion chamber...

  • Page 5: Bosch Lsu 4.9 Probe Working

    Do not clean the probe with solvents or additives, we suggest to remove it when cleaning the kart to avoid detergent pollution. Never switch the engine on if the probe is installed but not connected to a working controller LCU-One CAN. If a probe were to be exposed to exhaust gas when not heated it would be permanently damaged.

  • Page 6: Powering Lcu-One Can Controller

    To make an example a 4 cells LiPo battery with a capacity of 3000mAh can guarantee 3 hours of activity. LCU-One CAN controller has to be connected directly to the external 12V battery, using the three leads (one red and two black) supplied with spade connectors.

  • Page 7: Installing The Probe And Lcu-One Can Lambda Controller

    5 – Installing the probe and LCU-One CAN lambda controller Bosch LSU 4.9 Lambda probe must be installed on the kart exhaust pipe, welding the bung supplied with the kit on it. Install the probe close to the engine, avoiding its cable to be in contact with heat sources and the pipe.
  • Page 8 It is suggested to install LCU-One CAN under the Nassau panel. • make the power (1) and probe (2) cables pass around the steering wheel hoop • fix the probe cable to the kart seat.

  • Page 9: Lcu-One Can And Mychron5

    6 – LCU-One CAN and MyChron5 The LCU-One CAN is totally integrated with MyChron5; its connection to the AiM CAN network and the display setup allows to have everything under control on MyChron5 display. 6.1 – AiM Network You can connect LCU-One CAN directly to MyChron5 “Exp” connector or add it to an extended network as shown here below.

  • Page 10: Showing Lcu-One Can Values On Mychron5

    6.2 – Showing LCU-One CAN values on MyChron5 To show LCU-One CAN data on MyChron5, set its Display Setup as described below: • press “MENU/>>” • select “System settings” icon and press “ENTER” • select “Display Setup” icon and press “ENTER”...
  • Page 11 Using “PREV” and “NEXT” buttons scroll the list of available data; LCU-One CAN parameters you can display are: • Lambda Val: oxygen/exhaust gas ratio – reference value is 1.00 • Lambda AFR: lambda value times stoichiometric value of fuel in use (gasoline stoichiometric value is 14.57) •...

  • Page 12: Configuration Issues

    If when you try to configure MyChron 5 display you do not see Lambda channels among those available, you probably only need to wait some time for the full recognition. To verify that MyChron5 detects LCU-One CAN: • press “MENU/<<”...

  • Page 13: How To Analyse Lcu-One Can Data

    Once the session is over and data have been downloaded from MyChron5 you can analyse them using Race Studio Analysis software. Running the software and opening the test you will see that LCU-One CAN connection adds four channels to “Measures and laps” bar (image on the right): •...

  • Page 14: Technical Drawings And Specifications

    8 – Technical drawings and specifications • Dimensions 87,6x39x15.5 mm [3.44x0.53x0.61 inches] • Waterproof IP67...
  • Page 15 Our website www.aim-sportline.com is constantly updated. Please refer to it for updates on firmware, software and documentation.

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