SZKTDZ KT-LCD4 User Manual
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SZKTDZ KT-LCD4 User Manual

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

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Summary of Contents for SZKTDZ 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 Button Box Dimension………………………………………………………………..5 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 General Project Setting…………………………………………………………………… 15 Maximum Trip Speed…………………………………………………………..15 Wheel Diameter…………………………………………………………………..…. 16 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 ..............

  • Page 5: Preface

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual User Setting Note ....................... 41 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 - 3 -...

  • 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. - 4 -...

  • Page 7: Wiring Schematic

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual ○ Wiring Schematic 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.

  • 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 time display (with displays of a single trip time (TM) and total trip time (TTM));...

  • Page 9: Display Content

    The display content is shown as follow. Button Definition KT-LCD4 meter adopts the structural form with part design between the main part and operating buttons. There are three keys on the operating panel of button box, which are icons of...

  • Page 10: Display Interface

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual the meter and controller is zero. ○ Display Interface Hold button (SW) long, the meter is startup to enter display 1. Display 1 In display 1, hold button (SW) shortly to enter display 2. Display 2 - 8 -...

  • Page 11: Display Of Turned On Throttle

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual In the riding mode after 5 seconds, display 2 automatically jump to display 1 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 ○ 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. Switching range is 1-5 gear (this can also be configured according to the customer requirements), gear 1 is for the lowest power, and gear 5 is for the highest power.

  • Page 13: Cruise Function

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual button (DOWN), the meter assist function logo ( ) flashes, the vehicle drives at the speed of no more than 6km/h. Release button (DOWN), the assist function will be revoked. ○ 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...

  • Page 14: Brake Status Display

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual Hold button (UP) long, the meter turns on the backlights as well as the vehicle headlights (the Controller should have headlights driving and output functions), meter backlighting and vehicle lights power logo ( ) light, hold button (UP) long again to turn off backlights and vehicle headlights.

  • Page 15: Battery Capacity Indicator

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual ○ Battery Capacity Indicator The meter can automatically identify 24V, 36V, 48V battery capacities when it is supporting use with the specified controller. When the battery capacity is over 70%, the four power displays of the meter are lit, when the battery capacities drop, the four power displays are off in order, when the power capacity is less than 15%, the four power displays are totally turned off.

  • Page 16: Automatic Prompt Interface

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual 5 seconds after the meter is powered on, at display 1, hold both the button (UP) and the button (DOWN) simultaneously for about 2 seconds, the single trip time (TM) and single trip distance (DST) flicker, then hold button shortly (SW), the record contents of both will be cleared.

  • Page 17: User Project Setting

    Error Code Definition Failure of electronic control system Motor position sensor fault! Malfunction of the operation THROTTLE fault! User Setting Project KT-LCD4 meter user setting project： ◇ General project setting ◇ P parameter setting ◇ C parameter setting General Project 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, then...

  • 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, then press...

  • Page 20: Exit General Project Setting

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual Definition Table of Metric/Imperial Units： Code Speed Mileage Km/h Km/h Under the metric/imperial units 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 units will be saved.

  • Page 21: P Parameter Setting

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual button (SW) long for about 2 seconds, all can exit the setting environment and return to display 1, meanwhile, the current set parameters are saved. Under each 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 parameters will be saved.

  • Page 22: P2 Wheel Speed Pulse Signal Setting

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual 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 press button (DOWN) to enter P2 parameter setting interface.

  • Page 23: P3 Power Assist Control Mode Setting

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual Please Note：when P2 parameter is set to be 0, for the built-in clutch motor, there will be the following defects, when the internal motor rotors stop or the internal rotor speed is lower than the outer rotor speed, then the speed displayed on the meter is inaccurate! After finishing P2 parameter setting, press button (SW) to save the current set values, then press...

  • Page 24: P4 Throttle Startup Setting

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual After finishing P3 parameter setting, press button (SW) to save the current set values, then press button (DOWN) to enter P4 parameter setting interface. ○ P4 Throttle Startup Setting Enter P4 parameter setting interface after P3 parameter setting is finished, press P4 parameter column flashes.

  • Page 25: Exit P Parameter Setting

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual Enter P5 parameter setting interface after P4 parameter setting is finished, press P5 parameter column flashes. button, P5 parameter setting interface P5 is power monitoring setting, when P5 setting is 0, the power monitoring is the "real-time voltage"...

  • Page 26: C Parameter Setting

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual Under each 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 parameters will be saved. C Parameter Setting After finishing P5 parameter setting, P5 parameter column stops flashing.

  • Page 27: C2 Motor Phase Classification Coding Setting

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual Lower Lower Lowest Lowest Higher Higher Forward 8 Signal Standard Reverse 10 Signal Standard Lower Lower Highest Highest Forward 10 Signal Higher Reverse 12 Signal Higher Standard Standard After finishing C1 parameter setting, press button (SW) to save the current value and then press button (DOWN) to enter C2 parameter setting interface.

  • Page 28: C3 Power-Assist Ratio Gear Initialization Setting

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual 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. When the setting is a certain value, indicating a particular motor phase is used.

  • Page 29: C4 Throttle Function Setting

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual The meter is powered on and the power assist ratio is at gear 3. The meter is powered on and the power assist ratio is at gear 4. The meter is powered on and the power assist ratio is at gear 5. 6&7 Retain Each startup will automatically restore the gear shutdown last time.

  • Page 30: C5 Controller Maximum Current Adjustment Setting

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual 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 6KM/H 6KM/H, after power assist, throttle is full speed. Zero startup, throttle speed limit is Non-zero startup, throttle is specified speed limit.
  • Page 31 ELECTRIC BICYCLE METER KT—LCD4 Product User Manual C5 parameter setting interface C5 is controller maximum operating current adjustment setting (tiny-adjustment of limit current value), the default value is 10, setting range is 0-10, press button (UP) button (DOWN) for selection. C5 parameter definition table：...

  • Page 32: C6 Backlight Brightness Adjustment Setting

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual When C5 setting is 10, maximum current value is controller maximum operating current value (ie, limit current value); when setting is 9, maximum current value divided by 1.10, when setting is 8, maximum current value divided by 1.15 and so on. After finishing C5 parameter setting, press button (SW) to save the current value and then press...

  • Page 33: C7 Cruise Function Setting

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual Brightest After finishing C6 parameter setting, press button (SW) to save the current value and then press button (DOWN) to enter C7 parameter setting interface. ○ C7 Cruise Function Setting Enter C7 parameter setting interface after C6 parameter setting is finished, press button (SW), C7 parameter column flashes.
  • Page 34 ELECTRIC BICYCLE METER KT—LCD4 Product User Manual Enter C8 parameter setting interface after C7 parameter setting is finished, press button (SW), C8 parameter column flashes. C8 parameter setting interface C8 is motor operating temperature display setting, the setting range is 0 or 1, press button (UP) or button (DOWN) for selection.
  • Page 35 ELECTRIC BICYCLE METER KT—LCD4 Product User Manual C9 parameter setting interface C9 is meter power-on password setting, the default value is 0, press button (UP) button (DOWN) for selection. C9 parameter definition table： C9 value Startup password setting Function off Function on When C9 setting is 1, indicating that the password function is startup, and then enter the password settings interface, three password setting columns flash.
  • Page 36 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 37: 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 38 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 compatible LCD1 and LCD2.

  • Page 39: 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 press button (DOWN) to enter C12 parameter setting interface. ○ C12 Controller Minimum Voltage Adjustment Setting Enter C12 parameter setting interface after C11 parameter setting is finished, press button (SW), C12 parameter column flashes.
  • Page 40 ELECTRIC BICYCLE METER KT—LCD4 Product User Manual 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 button (UP) or button (DOWN) for selection. C12 parameter definition table：...

  • Page 41: C13 Abs Brakes Of The Controller And Parameters Of Anti-Charge Control Setting

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual Default Default Default value+0.5V value+0.5V value+0.5V Default value+1V Default value+1V Default value+1V Default Default Default value+1.5V value+1.5V value+1.5V C12 default value is 4, namely, controller minimum operating voltage (voltage shortage value); when setting is 5, the default value plus 0.5V, when setting is 4, the default value minus 0.5Vand so on.

  • Page 42: C14 Power-Assist Tuning Parameters Setting

    ELECTRIC BICYCLE METER KT—LCD4 Product User Manual (DOWN) button to make selection. C13 parameter definition table: C13 Value ABS braking strength Energy recovery efficiency None None Best energy recovery Class 1 braking strength efficiency General energy recovery Class2 braking strength efficiency Weaker energy recovery Class 3 braking strength...

  • Page 43: Exit Parameter Setting

    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 44 ELECTRIC BICYCLE METER KT—LCD4 Product User Manual Meter parameter copy wiring diagram Special wiring cable Turn on meter power supply of data source. Power supply of 48V or 36V or 24V is available (VB + positive power supply). After wiring the meter needs to be copied, hold button long till meter is startup.
  • Page 45 ELECTRIC BICYCLE METER KT—LCD4 Product User Manual Besides, LCD4 meter can only copy parameter of the same meter model. User Setting Note After entering the user setting environment, if there’s no button operation on the data for more than 1 minute, the meter will automatically return to display1, and the new set parameters won’t be saved.

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