SZKTDZ KT-LCD8S User Manual
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SZKTDZ KT-LCD8S User Manual

E-bike special meter
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Summary of Contents for SZKTDZ KT-LCD8S

  • Page 1 用户手册 User Manual KT-LCD8S E-Bike Special Meter WWW.SZKTDZ.COM...

  • Page 2: Table Of Contents

    ELECTRIC BICYCLE METER KT—LCD8S 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 31.8 handlebar diameters install icon………………………………………..….… 6 Φ 22.2 handlebar diameters install icon……………………………………….….…. 6 Physical installation icon.....................
  • Page 3 ELECTRIC BICYCLE METER KT—LCD8S Product User Manual Motor Operating Temperature Alarm……………………………………..15 User Project Setting……………………………………………………………………..15 General Project Setting…………………………………………………………………… 16 Maximum Trip Speed…………………………………………………………..16 Wheel Diameter…………………………………………………………………..…. 16 Metric and Imperial Units…………………………………………………………... 17 P Parameter Setting……………………………………………………………….……..19 P1 Motor Characteristic Parameter Setting ............... 19 P2 Wheel Speed Pulse Signal Setting ...............
  • Page 4 ELECTRIC BICYCLE METER KT—LCD8S Product User Manual L2 Parameter setting..................... 39 L3 Parameter setting..................... 39 L4 Parameter setting..................... 40 Exit L Parameter Setting .................... 40 Parameter Copy ........................41 User Setting Note ....................... 42 Version Information……………………………………………………………………… 42 - 3 -...

  • Page 5: Preface

    ELECTRIC BICYCLE METER KT—LCD8S Product User Manual 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: Button Box Dimension

    Dual Bracket Mounting Dimension ○ Button Box Dimension ○ Main Material and Color PC material is mainly used for KT-LCD8S meter and button box housing, and the housing color is black. ○ Wiring Schematic Installation Instruction The meter body and button box are mounted on the handlebars of the electric vehicle, adjusting perspective.

  • Page 7: Φ 31.8 Handlebar Diameters Install Icon

    ELECTRIC BICYCLE METER KT—LCD8S Product User Manual protection film on meter display panel should be torn. ○ Φ 31.8 handlebar diameters install icon ○ Φ 22.2 handlebar diameters install icon ○ Physical installation icon - 6 -...

  • Page 8: Function Overview

    ELECTRIC BICYCLE METER KT—LCD8S Product User Manual Function Overview KT-LCD8S 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-LCD8S 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: On/Off

    ELECTRIC BICYCLE METER KT—LCD8S Product User Manual ○ 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 11: Display Of Turned On Throttle

    ELECTRIC BICYCLE METER KT—LCD8S Product User Manual In the riding mode within 5 seconds, display 2 automatically jump to display 1 In display 2 , hold button (SW) shortly again to enter display 3, and so on. In each display interface, if you hold button (SW) long, the meter will be powered-off and cut off the power of the controller.

  • Page 12: Push Function

    ELECTRIC BICYCLE METER KT—LCD8S Product User Manual At every startup, the meter will automatically restore gear (this can also be configured as required by users) when it was shut down at last time. When the power assist ratio is gear 0, there’s no power assist function. ○...

  • Page 13: Brake Status Display

    ELECTRIC BICYCLE METER KT—LCD8S Product User Manual ○ Startup Backlights and Headlights 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 14: Battery Capacity Indicator

    ELECTRIC BICYCLE METER KT—LCD8S 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 15: Environment Temperature

    ELECTRIC BICYCLE METER KT—LCD8S Product User Manual Under the riding status of vehicle, the motor real time running output power and temperature can be known via the meter displays. ○ Environment Temperature After startup, the environment temperature for using meter will be displayed in environment temperature display column.

  • Page 16: Automatic Prompt Interface

    Under any interface, when the motor operating temperature exceeds the warning value, the motor operating temperature display flashes to alarm, meanwhile, the controller will offer the appropriate protection to motor(this function should be customized) User Setting Project KT-LCD8S meter user setting project： ◇ General project setting - 15 -...

  • Page 17: General Project Setting

    ELECTRIC BICYCLE METER KT—LCD8S Product User Manual ◇ P parameter setting ◇ C parameter setting ◇ L parameter setting Under power off status, hold button long (SW), the meter is turned on. Within 5 seconds after boot-up, hold button (UP) and button (DOWN) simultaneously for about 2 seconds, to enter parameters setting interface.

  • Page 18: Wheel Diameter

    ELECTRIC BICYCLE METER KT—LCD8S Product User Manual After finishing the maximum riding speed setting, press button shortly (SW) , to return to setting interface. ○ Wheel Diameter Move cursor to DIM and press button shortly (SW), then the wheel diameter display column flashes.

  • Page 19: P Parameter Setting

    ELECTRIC BICYCLE METER KT—LCD8S Product User Manual Code Speed Mileage Ambient temperature ℃(Centigrade temperature) Km/h ℃(Centigrade temperature) ℉（Fahrenheit） Km/h ℉（Fahrenheit） After finishing UNT setting, press button shortly (SW) , to return to setting interface. P Parameter Setting ○ P1 Motor Characteristic Parameter Setting P1 is motor characteristic parameter setting, P1 = motor gear reduction ratio×...

  • Page 20: P2 Wheel Speed Pulse Signal Setting

    ELECTRIC BICYCLE METER KT—LCD8S Product User Manual P1 parameter setting interface After finishing P1 setting, press button shortly (SW) , to return to setting interface. ○ P2 Wheel Speed Pulse Signal Setting Under setting interface, move cursor to P2, press button shortly (SW), P2 parameter column flashes.

  • Page 21: P3 Power Assist Control Mode Setting

    ELECTRIC BICYCLE METER KT—LCD8S Product User Manual interface 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! ○...

  • Page 22: P5 Power Monitoring Setting

    ELECTRIC BICYCLE METER KT—LCD8S 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 23: C Parameter Setting

    ELECTRIC BICYCLE METER KT—LCD8S Product User Manual monitoring is the "smart power" mode (this parameter is determined by the battery characteristics, ordinary 24V lithium is generally is 4-11, 36V lithium is between 5_15). P5 setting ranges from 0-40, press button (UP) or button (DOWN) for selection.

  • Page 24: C2 Motor Phase Classification Coding Setting

    ELECTRIC BICYCLE METER KT—LCD8S Product User Manual After C1 setting, press button shortly (SW) , to return to setting interface. ○ C2 Motor Phase Classification Coding Setting Under setting interface, move cursor to C2, press button shortly (SW), 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.

  • Page 25: C4 Throttle Function Setting

    ELECTRIC BICYCLE METER KT—LCD8S 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 26 ELECTRIC BICYCLE METER KT—LCD8S 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 27: C5 Controller Maximum Current Adjustment Setting

    ELECTRIC BICYCLE METER KT—LCD8S Product User Manual (DOWN) button for short to make selection, and the default value is 50%. The percentage values of other gears divide automatically in equal. After C4 setting, press button shortly (SW) , to return to setting interface. ○...

  • Page 28: C6 Backlight Brightness Adjustment Setting

    ELECTRIC BICYCLE METER KT—LCD8S Product User Manual Maximum current value÷1.15 Maximum current value÷1.10 Maximum current value 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.

  • Page 29: C7 Cruise Function Setting

    ELECTRIC BICYCLE METER KT—LCD8S Product User Manual Brighter Brightest After C6 setting, press button shortly (SW) , to return to setting interface. ○ C7 Cruise Function Setting Under setting interface, move cursor to C7, press button shortly (SW), C7 parameter column flashes. C7 parameter setting interface C7 is cruise function setting, the setting range is 0 or 1, press button (UP) or...
  • Page 30 ELECTRIC BICYCLE METER KT—LCD8S Product User Manual 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. C8 parameter definition table： C8 value Motor operating temperature Function off Function on Please Note：The motor operating temperature display requires installing temperature...
  • Page 31 ELECTRIC BICYCLE METER KT—LCD8S 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 32 ELECTRIC BICYCLE METER KT—LCD8S Product User Manual parameter copy) by data source meter prier to be decoded. After C9 setting, press button shortly (SW) , to return to setting interface. ○ C10 Automatically Restore Factory Setting Under setting interface, move cursor to C10, press button shortly (SW), C10 parameter column flashes.
  • Page 33 ELECTRIC BICYCLE METER KT—LCD8S 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 LCD8S new version of communication protocol, it is incompatible LCD1 and LCD2.

  • Page 34: C12 Controller Minimum Voltage Adjustment Setting

    ELECTRIC BICYCLE METER KT—LCD8S Product User Manual Data Source Display Interface After C11 setting, press button shortly (SW) , to return to setting interface. ○ C12 Controller Minimum Voltage Adjustment Setting Under setting interface, move cursor to C12, press button shortly (SW), C12 parameter column flashes.

  • Page 35: C13 Abs Brakes Of The Controller And Parameters Of Anti-Charge Control Setting

    ELECTRIC BICYCLE METER KT—LCD8S Product User Manual 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 Default value Default value 20V Default Default Default value+0.5V value+0.5V value+0.5V...

  • Page 36: C14 Power-Assist Tuning Parameters Setting

    ELECTRIC BICYCLE METER KT—LCD8S Product User Manual 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 37: C15 Push-Assist Speed Parameters Setting

    ELECTRIC BICYCLE METER KT—LCD8S Product User Manual 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. The setting range 1-3, and press (UP) button or (DOWN) button for short to make selection.

  • Page 38: L Parameter Setting

    ELECTRIC BICYCLE METER KT—LCD8S Product User Manual parameter setting interface again, or hold button (SW) long for about 2 seconds to save exit C parameter setting environment or press s (UP) button or (DOWN) button to enter L parameters setting. L Parameter Setting ○...
  • Page 39 ELECTRIC BICYCLE METER KT—LCD8S Product User Manual column flashes 2. L2 parameter is suitable for the super high-speed motor controller. The default of the factory is 0. L2 parameter will be activated when the value of P1 parameter exceeds 255. L2 parameter should use in combination with P1.
  • Page 40 ELECTRIC BICYCLE METER KT—LCD8S Product User Manual After L3 setting, press button shortly (SW) , to return to setting interface ○ L4 parameters setting Under setting interface, move cursor to L3, press button shortly (SW), L3 parameter column flashes 4. L4 parameter is used to adjust the delay time of automatic shutdown of the LCD, the default value is 5, and the range of adjust is 5-120 minutes.
  • Page 41 Set parameters (include general project parameter, P parameter and C parameter) of all KT-LCD8S 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 42 ELECTRIC BICYCLE METER KT—LCD8S Product User Manual 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 43 ELECTRIC BICYCLE METER KT—LCD8S Product User Manual Released on October 27.2022. - 42 -...

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