KUNTENG KT-LCD4 User Manual
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KUNTENG KT-LCD4 User Manual

E-bike special meter
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User Manual
KT-LCD4 E-Bike Special Meter

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Summary of Contents for KUNTENG KT-LCD4

  • Page 1 用户手册 User Manual KT-LCD4 E-Bike Special Meter...
  • Page 2 ELECTRIC BICYCLE METER KT—LCD4 Product User Manual WWW.SZKTDZ.COM...

  • Page 3: Table Of Contents

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual Contents Preface……………………………………………………………………………..………. 4 Outlook and Size…………………………………………………………………………... 4 Meter Dimension …………………………………………………………………… 4 Main Material and Color………………………………………………….………..5 Wiring Schematic……………………………………………………………….……. 5 Installation Instruction……………………………………………………………….…….. 5 Φ 22.2 handlebar diameters install icon……………………………………….….…. 6 Physical installation icon..................... 6 Function Overview……………………………………………………………………..…..
  • Page 4 ELECTRIC BICYCLE METER KT—LCD4 Product User Manual Metric and Imperial Units…………………………………………………………... 16 Exit General Project Setting………………………………………………………..17 P Parameter Setting……………………………………………………………….……..18 P1 Motor Characteristic Parameter Setting ............... 18 P2 Wheel Speed Pulse Signal Setting ............... 18 P3 Power Assist Control Mode Setting ..............19 P4 Throttle Startup Setting ..................

  • Page 5: Preface

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual Version Information……………………………………………………………………… 41 Preface The illustrated manual will help you understand and be familiar with the meter function, guiding you on how to operate the meter, how to set the project parameters, how to achieve the best match of the three as motor, controller and meter to improve electronic control performance of the electric motor.

  • Page 6: Outlook And Size

    Outlook and Size ○ Meter Dimension Meter Dimension ○ Main Material and Color PC material is mainly used for KT-LCD4 meter, and the housing color is black. ○ Wiring Schematic - 4 -...

  • Page 7: Installation Instruction

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual Installation Instruction The meter body is mounted on the handlebars of the electric vehicle, adjusting perspective. In the case that the vehicle is power off, the meter connectors are in plug connection to corresponding controller connectors. Turn on the power, electric vehicle and meter will be under normal operation, the meter installation is finished.

  • Page 8: Function Overview

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual Function Overview KT-LCD4 meter provide you with a variety of functions such as vehicle controls and vehicle status digitized displays to meet the trip demands. ◇ Trip speed display (with displays of real-time speed (KM/H or MPH) and a single maximum speed (MXS);...

  • Page 9: Normal Operation

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual The display content is shown as follow. Normal Operation ○ On/Off Hold button (SW) long, the meter is powered on and into normal operation, and it provides the controller with power supply. Under normal operating status, hold button (SW) long, the meter is powered off, meanwhile to shutdown the power supply of controllers.
  • Page 10 ELECTRIC BICYCLE METER KT—LCD4 Product User Manual Display 1 In display 1, hold button (SW) shortly to enter display 2. Display 2 In the riding mode after 5 seconds, display 2 automatically jump to display 1 - 8 -...

  • Page 11: Display Of Turned On Throttle

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual In display 2 or display 3, hold button (SW) shortly again to enter display 3. In each display interface, if you hold button (SW) long, the meter will be powered-off together with that of the controller. ○...

  • Page 12: Pas Ratio (Or Throttle) Gear Switch

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual The logo of pas will flash, under the normal riding mode, when the pas turned on ○ PAS Ratio (or throttle) Gear Switch Under normal operation, hold button (UP) or button (DOWN) to switch the power assist ratio (or throttle) gear (ASSIST), changing motor output power.

  • Page 13: Cruise Function

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual ○ Cruise Function When C7 parameter setting is 1 (see C parameter setting), the meter turns on cruise function, hold button (DOWN) long to enter the cruise status when the vehicle speed is more than 7 km/h, and the cruise function logo (CRUISE) lights. Brake or hold any button to revoke cruise function.

  • Page 14: Brake Status Display

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual ○ Brake status display Under normal operation, vehicle brake, brake status indicator display , as shown in the figure. ○ Battery Capacity Indicator The meter can automatically identify 24V, 36V, 48V battery capacities when it is supporting use with the specified controller.

  • Page 15: Single Data Clearing

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual displays are off in order, when the power capacity is less than 15%, the four power displays are totally turned off. When the controller is power off due to voltage shortage, the power display frame flashes, indicating the vehicle has been in voltage shortage and waiting for shutdown currently.

  • Page 16: Automatic Prompt Interface

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual Under the status of data flashing, if there were no operations on the data within 5 seconds, the meter will automatically return to display1 after 5 seconds, and the original record content will be saved. ○...

  • Page 17: User Project Setting

    03＿info Motor Hall Signal Abnormality 04＿info Torque sensor Signal Abnormality 05＿info Axis speed sensor Abnormality(only applied to torque sensor ) User Setting Project KT-LCD4 meter user setting project： ◇ General project setting ◇ P parameter setting ◇ C parameter setting ◇...

  • Page 18: Wheel Diameter

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual Under the setting maximum riding speed interface, if there’s no button operation on the meter for more than 1 minute, and then the meter will automatically return to display 1, and the original set values will be saved. After finishing the maximum riding speed setting, press button shortly (SW) , to save the current set values, and go to enter the next setting.

  • Page 19: Metric And Imperial Units

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual Under the wheel diameter setting interface, if there’s no button operation on the meter for more than 1 minute, and then the meter will automatically return to display 1, and the original set values will be saved. After finishing the wheel diameter setting, press button (SW) shortly to save the current set specification, and enter into the next setting.

  • Page 20: Exit General Project Setting

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual on the meter for more than 1 minute, and then the meter will automatically return to display 1, and the original set units will be saved. After finishing the metric/imperial units setting, press button shortly (SW) to save the current set values, and then speed and mileage units stop flashing, or hold button (SW) long for about 2 seconds to exit the general project setting environment and...

  • Page 21: P2 Wheel Speed Pulse Signal Setting

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual P1 parameter setting interface Under P1 parameter setting interface, if there’s no button operation on the meter for more than 1 minute, and then the meter will automatically return to display 1, and the original set parameter will be saved. After finishing P1 parameter setting, press button to save the current set values and enter P2 parameter setting interface.

  • Page 22: P3 Power Assist Control Mode Setting

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual P2 parameter setting interface P2 is wheel speed pulse signal setting, if wheel generated 1 pulse signal by a revolution, P2 should be set as1. If wheel generated 6 pulse signals by a revolution, P2 should be set as 6.

  • Page 23: P4 Throttle Startup Setting

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual P3 parameter setting interface P3 is power assist control mode setting, when P3 parameter setting is1, power assist control mode is gear 5 of "imitation torque control" mode, when P3 parameter setting is 0, power assist control mode is gear 5 of "speed control"...

  • Page 24: P5 Power Monitoring Setting

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual P4 parameter setting interface P4 is throttle startup setting, when P4 setting is 1, indicating the throttle is under "non-zero startup" mode, namely, the throttle can be effective only after startup the foot power assist.

  • Page 25: C Parameter Setting

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual P5 parameter setting interface P5 is power monitoring setting, when P5 setting is 0, the power monitoring is the "real-time voltage" mode. Namely, it is the method to determine the battery capacity based on real-time battery voltage. When P5 equals to a specified parameter, the power monitoring is the "smart power"...

  • Page 26: C2 Motor Phase Classification Coding Setting

    C1 is power-assist sensor and parameter select setting, its definition is shown in following table. C1 setting ranges between 0-7, press button (UP) or button (DOWN) for selection. C1 parameter definition table： KUNTENG power assist Start KUNTENG V12 Start sensors value...

  • Page 27: C3 Power-Assist Ratio Gear Initialization Setting

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual Enter C2 parameter setting interface, C2 parameter column flashes. C2 parameter setting interface C2 is motor phase classification coding setting, it is served as identification parameter of different phases of the motor when using sine wave drive and the default value is 0. When C2 setting is 0, indicating that the used Quantum motor phase is an ordinary one.

  • Page 28: C4 Throttle Function Setting

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual C3 parameter setting interface Press button (UP) or button (DOWN) for selection C3 parameter values. The factory default is 8. C3 parameter values： Parameter value meaning The meter is powered on and the power assist ratio is at gear 0. The meter is powered on and the power assist ratio is at gear 1.
  • Page 29 ELECTRIC BICYCLE METER KT—LCD4 Product User Manual C4 parameter setting interface C4 is throttle function setting, the setting range is 0-4, press button (UP) or button (DOWN) for selection. C4 parameter definition table： C4 value P4=0 P4=1 zero startup throttle Non-zero startup throttle Zero startup, throttle speed limit is Before power assist, the throttle speed limit is...

  • Page 30: C5 Controller Maximum Current Adjustment Setting

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual according to the display meter. distinguished according to the display meter. Retain Retain When C4 = 2 is confirmed, "specified speed limit value of throttle " flashes, press (UP) button or (DOWN) button for short to make selection, and the default value is 20.

  • Page 31: C6 Backlight Brightness Adjustment Setting

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual C5 parameter definition table： C5 value Maximum current value(A) Three level slow start/ Maximum current value Two level slow start/ Maximum current value One level slow start/ Maximum current value Maximum current value÷2.00 Maximum current value÷1.50 Maximum current value÷1.33 Maximum current value÷1.25...

  • Page 32: C7 Cruise Function Setting

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual C6 parameter setting interface C6 is the meter backlight brightness adjustment setting, the default value is 3, and setting range is 1-5, press button (UP) or button (DOWN) for selection. C6 parameter definition table： C6 value Backlight brightness Dimmest...
  • Page 33 ELECTRIC BICYCLE METER KT—LCD4 Product User Manual C7 parameter setting interface C7 is cruise function setting, the setting range is 0 or 1, press button (UP) or button (DOWN) for selection. C7 parameter definition table： C7 value Cruise function After finishing C7 parameter setting, press button (SW) to save the current value and then enter C8 parameter setting interface.
  • Page 34 ELECTRIC BICYCLE METER KT—LCD4 Product User Manual C8 parameter setting interface C8 parameter is not identified, press button (SW) to enter C9 parameter setting interface. ○ C9 Startup Password Setting Enter C9 parameter setting interface, C9 parameter column flashes. C9 parameter setting interface C9 is meter power-on password setting, the default value is 0, press button (UP) button (DOWN) for selection.
  • Page 35 ELECTRIC BICYCLE METER KT—LCD4 Product User Manual Password Setting Interface The password setting is done sequentially from left to right, press button to confirm after each setting and enter next setting. Password setting range is 000-999, press button (UP) or button (DOWN) for selection.

  • Page 36: C11 Attribute Selection Setting

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual C10 parameter setting interface C10 is automatic restore factory settings, the default is N, and the setting can be N, or Y, press button (UP) or button (DOWN) for selection. C10 parameter definition table： C10 value Restore default setting Function off...
  • Page 37 ELECTRIC BICYCLE METER KT—LCD4 Product User Manual C11 parameter setting interface C11 is meter attribute selection setting, the setting range is 0-2, press button (UP) or button (DOWN) for selection. C11 parameter definition table： Meter Attribute value Meter uses LCD4 new version of communication protocol, it is incompatible with LCD1 and LCD2.

  • Page 38: C12 Controller Minimum Voltage Adjustment Setting

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual Data Source Display Interface After finishing C11 parameter setting, press button (SW) to save the current value and then enter C12 parameter setting interface. ○ C12 Controller Minimum Voltage Adjustment Setting Enter C12 parameter setting interface, C12 parameter column flashes. C12 parameter setting interface C12 is controller minimum operating voltage adjustment setting (tiny adjustment of voltage shortage), the default value is 4, and the setting range is 0-7, press...

  • Page 39: C13 Abs Brakes Of The Controller And Parameters Of Anti-Charge Control Setting

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual C12 parameter definition table： Minimum Voltage(V) C12 value 24V Controller 36VController 48VController Default value-2V Default value-2V Default value-2V Default Default Default value-1.5V value-1.5V value-1.5V Default value-1V Default value-1V Default value-1V Default Default Default value-0.5V value-0.5V value-0.5V Default value...
  • Page 40 ELECTRIC BICYCLE METER KT—LCD4 Product User Manual C13 parameter setting interface C13 is ABS brakes of the controller and parameters of anti-charge control setting, the default value is 0 with the setting range between 0-5, press (UP) button or (DOWN) button to make selection. C13 parameter definition table: C13 Value ABS braking strength...

  • Page 41: C14 Power-Assist Tuning Parameters Setting

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual value and then press button (DOWN) to enter C14 parameter setting interface. ○ C14 Power-assist tuning parameters Setting Enter C14 parameter setting interface, C14 parameter bar flashes. C14 parameter setting interface C14 is the parameters of power-assist tuning setting, with the default value of 2. The power-assist is between1-4 gear, and it is invalid until P3 equals to 1.
  • Page 42 ELECTRIC BICYCLE METER KT—LCD4 Product User Manual L1 parameters are applicable to the automatic under-voltage controller. The default of the factory is 0. When L1=0, the automatic under-voltage controller can automatically select the under-voltage value according to the battery voltage. When L1=1, the under-voltage value of the automatic under-voltage controller is forced to be 20V.
  • Page 43 ELECTRIC BICYCLE METER KT—LCD4 Product User Manual After finishing L2 parameter setting, press button (SW) to save the current value and then enter L3 parameter setting interface. ○ L3 Parameter setting L3 parameter is applicable to the dual mode controller. The default of the factory is 1.

  • Page 44: Parameter Copy

    Set parameters (include general project parameter, P parameter and C parameter) of all KT-LCD4 meter produced by our company according to requirements, and set the meter to be a data source according to the method of "C11 meter attribute selection setting".

  • Page 45: User Setting Note

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual button long till meter is startup. Within 5 seconds after startup, hold button (UP) and button (DOWN) simultaneously for about 2 seconds, meter parameter copy is completed. If the copy operation is correct, the meter subject to be copied will display as follow.

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