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Robitronic Overloader 2 Instruction Manual

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Summary of Contents for Robitronic Overloader 2

  • Page 2: Special Features

    Introduction Thank you for purchasing this high-end competition charger. This charger is a high performance computerized battery maintenance system. Capable of charging, discharging, cycling and conditioning multiple rechargable battery types, with very high output power, a customized display with expertly designed software and programming controls, the Overloader2 is easily one of the smartest and most powerful R/C battery maintenance systems available! NOTE: You will find a transparent protective plastic film on the front plate.
  • Page 3 Precautions ! - Do not charge or discharge battery types other than nickel-cadmium (NiCd), - nickel-metal hydride (NiMH), Lithium-Ion (Li-Ion) or Lithium-Polymer (Li-Po) - rechargeable batteries. Damage may occur from other types of batteries. - Do not attempt to charge batteries at excessive fast charge currents. - Do not use automotive type battery chargers to power the charger.

  • Page 4: Specification

    Specification Description Settings Step General Case type Aluminium, anodized Cooling system Aluminium heat sink, 3 x Fan 40mm Display type Graphic LCD, 128x64 Pixel Input type Input cable with banana plugs black/red Output type Banana jacks black/red Input voltage 11-15V Battery types NiCd, NiMH, LiPo, LiIon, Pb Battery memories...
  • Page 5 Specification Description Settings Step specific for NiMH/NiCd Charge mode Linear, Impulse, Reflex, Auto, 4-Step Cells 1-12 deltaPeak/cell 1-30mV Peak-Lock time 1-50min 1min Trickle current Off, 10-400mA 10mA 1-6 cells - max 20,0A 7 cells - max 17,0A 8 cells - max 15,0A Limits of discharge current 9 cells - max 13,5A 10 cells - max 12,0A...
  • Page 6 Charger – general description Cooling Section Cooling fan Serial PC connection Power Input Power output & temperature sensor LCD Display Operating buttons The power input cord is equipped with 4mm connectors for using a power supply. Crocodile style connectors are also included.
  • Page 7 Menu - abstract Charge - starts charging the battery - Only one screen for all charge modes MODE / CANCEL Discharge - starts discharging the battery - all information without scrolling MODE / CANCEL Profiles - settings of the batteries - 10 x 4 battery types (NiCd/NiMh, LiPo, Lixx, Pb) - Cycle- and 4-step settings MODE /...
  • Page 8 Charge Charge in idle mode profilename est. charge profilenumber time you are here, if you have just switched voltage of batt. to charge menu. charge charge time current set DOWN - Use to select a suitable deltaPeak/ capacity profile (0-9) for your battery. charge end added voltage...
  • Page 9 Discharge Discharge in idle mode est. discharge profilenumber profilename time you are here, if you have just switched voltage of batt. to discharge menu. discharge discharge time current set DOWN - Use to select a suitable cutoff- capacity profile (0-9) for your battery. voltage removed battery type...
  • Page 10 Profiles setting Profiles - general stores all your battery settings. value Therea are 4 x 10 profiles available, which cursor means for each profilenumber you can choose scrollbar from 4 batterytypes. Each batterytype stores its own settings. DOWN Note, for each profilenumber only one batterytype can be activated simultaneously.
  • Page 11 Profiles Number of profile - values between 0 and 9 are available. - This number is linked with the profiles and is used to choose profiles in the charge and discharge menu. Profile name - Profilenames are used, to identify profiles more quickly. - To change the profilename press .
  • Page 12 Profiles Charge mode - 6 different charge modes are supported. linear charge (Linear) impulse charge (Impulse) reflex charge (Re-Flex) auto charge (Auto) 4-step charge (4-Step) constant current-constant voltage charge (CC-CV) - Available values are Linear, Impulse, Re-Flex, Auto, 4-Step und CC-CV. - You will find a brief description of the different charge modes at the end of this manual.
  • Page 13 Profile Nominal Capacity - is adjustable between 100mAh and 9900mAh with a stepwidth of 100mAh and between 10000mAh and 25000mAh with a stepwidth of 1000mAh. Nominal capacity means the nominal capacity of the battery which is in use. - The value is used to calculate the estimated charge/discharge time. In combination with the maximum capacity it is a charge end mechanism.
  • Page 14 Profile Cut off temperature - adjustable between 20°C and 70°C with a stepwidth of 1°C or between 68°F and 158°F with a stepwidth of 1°F. - If the temperature of the external sensor reaches this limit, the charge will be finished. Trickle charge - the values Off and between 10mA and 400mA with a stepwidth of 10mA are available.
  • Page 15 Profiles Number of cycles - The number of cycles can be adjusted from 1 to 10. - PLEASE NOTE that this adjustment topic might not appear because of other already made adjustments. Character of cycle delay time - It is possible to choose between time (Time) and temperature (Temp) delay. - This adjustment determines if the delay time is defined by an adjusted time period or until an adjusted “cooling-off”...

  • Page 16: Motor Break-In

    Motor break-in Set-up motor break-in This is where you are when you first enter the motor break-in mode. duration time DOWN - With you adjust the duration break-in time for motor break-in from 0:01:00 voltage to 9:59:00 in 1-minute increments. amperage - The buttons change the...

  • Page 17: Glow Plug Heating

    Glow plug heating Set-up glow plug heating This is where you are when you first enter the nitro glow plug hetaing mode. On/Off symbol DOWN - The buttons have no glow plug function in this set-up of the glow voltage plug heating.
  • Page 18 Tire heating control Set-up tire heating control This is where you are when you first enter the tire heating control mode. Set-up tire heating DOWN - The buttons have no temperature function in this set-up of the tire Real tire heating control.
  • Page 19 Data view display Data view display This is where you are when you first enter the Cycle number display data view mode or after the ending of a Discharge Charge time cycle program. The display menu appears in table time format.
  • Page 20 Adjustments Adjustments – General ENTER / START Here you can make all adjustments for the general basis system management of the Overloader2. MODE / CANCEL DOWN - With the marker is positioned DOWN onto the adjustment you want to edit. Adjustment - The buttons change the adjustment...
  • Page 21 Adjustments Language - The following languages are available: English, Deutsch and French. The language selection is effective within the complete system. Cooling fan - Can be switched on AUTO (Automatic) or ON. - In the ON position all 3 cooling fans are permanently running. - In the position AUTO the fans are automatically switch on depending on the load on the system.
  • Page 22 Adjustments LCD contrast - The brilliance/contrast can be adjusted from 1 to 15 (low to high). LCD light - The blue display light can be switched ON or OFF. Charge switch-Off voltage Lixx - Can be adjusted from 3,3V to 4,3V in 0,1 V increments. - LiIon batteries are existing in quite many different variations and with different voltage switch-off requirements.
  • Page 23 Popups Popups – General Errors and other extra information are displays via popups. With the help of the popup symbol a popup can be easily associated with it’s “message”. DOWN Popup Symbol buttons are having no function when it comes to popups. Popup Text - Some popups require a decision from your side (e.g.
  • Page 24 Cycle charge & discharge How to start a cycle process To start a cycle process you have to choose a profile with an activated cycle function. This selection can be done in the charge or discharge mode. ENTER / - The button START within the charge or discharge mode will start the cycle charge &...
  • Page 25 Charging/discharging after an input electricity cut General - The Overloader2 is equipped with a protection function, which keeps the unit going with the same process that was running before the input electricity cut. This is especially important for racing. There is always the possibility of a short time electricity cut-off in the drivers pit area.
  • Page 26 Charging techniques A) Linear charging - The charging takes place with constant and linear amperage. B) Impulse charging - With this method there is a short amperage “spike” (approx. 100ms) every full second during the entire charging time. The continuously appearing “spikes” are providing an amperage approx.
  • Page 27 Charging techniques D) Automatic charging - The automatic charge mode is only available for NiCd and NiMH batteries - In this mode the Overloader2 continuously meters the internal resistance of the battery, re-calculates and re-adjusts all parameters accordingly for best charging results.
  • Page 28 “Gerät” (unit) and the right “Port”. For that you click in the menu bar on “Geräte” and in the opening window on “Gerät und Port wählen”. The Robitronic USB interface (RS153) has to be connected and the necessary driver has to be installed. The right driver is delivered together with the...
  • Page 29 Now the “Gerätedialog” opens, in which you have to choose the “Ladegerät” (charger type) and port. Of course you have to choose the Overloader2, the port number however varies with every PC. But the Robitronic USB interface will always be recognized as “CP2101 USB to UART Bridge Controller”, so it is easily to find.
  • Page 30 Serial PC connection / LogView After one charge or discharge has been finished, you should have a complete process graph on your LogView screen. Now you can handle your battery information just like you are used to handle files from other PC applications. Organize them, store them, compare them or print them out.
  • Page 31 Notes...
  • Page 32 Robitronic Electronic GmbH Guntherstrasse 11, A-1150 Vienna, AUSTRIA Phone: +43 1 982 09 20, Fax: +43 1 982 09 21 www.robitronic.com...