KUNTENG KT-LCD8H User Manual
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KUNTENG KT-LCD8H User Manual

Ebike special meter
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KT-LCD8H eBike Special Meter
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Summary of Contents for KUNTENG KT-LCD8H

  • Page 1 用户手册 User Manual KT-LCD8H eBike Special Meter WWW.SZKTDZ.COM...

  • Page 2: Table Of Contents

    ELECTRIC BICYCLE METER KT—LCD8H Product User Manual Contents Preface……………………………………………………………………………..………. 4 Outlook and Size…………………………………………………………………………... 4 Meter Dimension …………………………………………………………………… 4 Button Box Dimension……………………………………………………………….. 4 Main Material and Color………………………………………………….………..5 Wiring Schematic……………………………………………………………….……. 5 Installation Instruction……………………………………………………………….…….. 5 Φ 31.8 handlebar diameters install icon………………………………………..….… 5 Φ...
  • Page 3 ELECTRIC BICYCLE METER KT—LCD8H Product User Manual Automatic Prompt Interface……………………………………………………..….. 17 Error Code Display…………………………………………………….…..17 Motor Operating Temperature Alarm……………………………………..17 User Project Setting……………………………………………………………………..18 General Project Setting…………………………………………………………………… 18 Maximum Trip Speed…………………………………………………………..18 Wheel Diameter…………………………………………………………………..…. 19 Metric and Imperial Units…………………………………………………………... 19 Exit General Project Setting………………………………………………………..
  • Page 4 ELECTRIC BICYCLE METER KT—LCD8H Product User Manual C13 ABS brakes of the controller and parameters of anti-charge control Setting ..38 C14 Power-assist Tuning Parameters Setting .............39 Exit C Parameter Setting..................... 40 Parameter Copy ........................40 User Setting Note ....................... 42 Version Information………………………………………………………………………...

  • Page 5: Preface

    ELECTRIC BICYCLE METER KT—LCD8H 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-LCD8H meter and button box housing, and the housing color is silver white or 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—LCD8H Product User Manual ○ Φ 31.8 handlebar diameters install icon ○ Φ 22.2 handlebar diameters install icon ○ Physical installation icon Function Overview KT-LCD8H meter provide you with a variety of functions such as vehicle controls - 6 -...

  • Page 8: Display Content

    ELECTRIC BICYCLE METER KT—LCD8H Product User Manual 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)); ◇ Trip speed display (with displays of real-time speed (KM/H or MPH) and a single maximum speed (MXS) and a single average speed (AVS));...

  • Page 9: Button Definition

    ELECTRIC BICYCLE METER KT—LCD8H Product User Manual Button Definition KT-LCD8H 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 Of Turned On Throttle

    ELECTRIC BICYCLE METER KT—LCD8H Product User Manual 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 In the riding mode after 5 seconds, display 2 automatically jump to display 3. In display 2 or display 3, hold button (SW) shortly again to enter display 3.

  • Page 11: Display Of Power-Assist Startup

    ELECTRIC BICYCLE METER KT—LCD8H Product User Manual ○ Display of power-assist startup The meter is driving with power-assist under normal operating conditions, the display interface flashes the power-assist startup logo (PAS) as shown in the figure. ○ PAS Ratio (or throttle) Gear Switch Under normal operation, hold button (UP) or button (DOWN) to...

  • Page 12: Push Function

    ELECTRIC BICYCLE METER KT—LCD8H Product User Manual configured as required by users) when it was at last shut down. When the power assist ratio is gear 0 zero, there’s no power assist function. ○ Power Assistant Push Function Users can use 6KM/H power assist function when pushing vehicles. Hold button (DOWN), the meter assist function logo ( ) flashes, the vehicle drives at the speed of no more than 6km/h.

  • Page 13: Battery Capacity Indicator

    ELECTRIC BICYCLE METER KT—LCD8H Product User Manual 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. 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 14: Motor Power And Temperature

    ELECTRIC BICYCLE METER KT—LCD8H Product User Manual Battery capacity indicator ○ Motor Operating Power and Temperature Under the riding status of vehicle, the motor real time running output power can be known via the meter displays. When C8 parameter setting is 1 (see C parameter setting), the meter turns on motor operating temperature display function.

  • Page 15: Automatic Prompt Interface

    ELECTRIC BICYCLE METER KT—LCD8H Product User Manual 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. 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 16: General Project Setting

    ELECTRIC BICYCLE METER KT—LCD8H Product User Manual KT-LCD8Hmeter user setting project： ◇ General project setting ◇ P parameter setting ◇ C parameter setting General Project Setting ○ Maximum Trip Speed 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)

  • Page 17: Metric And Imperial Units

    ELECTRIC BICYCLE METER KT—LCD8H Product User Manual interface, and then the wheel diameter display column flashes. Hold button (UP) or button (DOWN) to choose the corresponding wheel diameter specification to a selected vehicle. The selection range of wheel diameter specifications are 15 species such as 5,6,8,10,12,14,16,18,20,22,24,26,700c, 28 and 29 inches.

  • Page 18: Exit General Project Setting

    ELECTRIC BICYCLE METER KT—LCD8H Product User Manual Definition Table of Metric/Imperial Units： Display Metric Riding speed KM/H Total distance ℃ Temperature Environment temperature 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 19: P2 Wheel Speed Pulse Signal Setting

    ELECTRIC BICYCLE METER KT—LCD8H Product User Manual After entering P parameter setting environment, the first is to set P1parameter, P1 parameter column flashes. P1 setting ranges between1-255, hold button (UP) or button (DOWN) shortly for selection. 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.

  • Page 20: P3 Power Assist Control Mode Setting

    ELECTRIC BICYCLE METER KT—LCD8H Product User Manual revolution, P2 should be set as1. If wheel generated 6 pulse signals by a revolution, P2 should be set as 6. If users didn’t configure the pulse signal system, and then P2 parameter setting can be 0.

  • Page 21: P4 Throttle Startup Setting

    ELECTRIC BICYCLE METER KT—LCD8H Product User Manual setting method is the same to that of P2. ○ P4 Throttle Startup Setting Enter P4 parameter setting interface after P3 parameter setting is finished, P4 parameter column flashes. P4 parameter setting interface P4 is throttle startup setting, when P4 setting is 1, indicating the throttle is under "non-zero startup"...

  • Page 22: Exit P Parameter Setting

    ELECTRIC BICYCLE METER KT—LCD8H 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 23: C Parameter Setting

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

  • Page 24: C2 Motor Phase Classification Coding Setting

    ELECTRIC BICYCLE METER KT—LCD8H Product User Manual Highest Highest Forward 10 Signal Higher Reverse 12 Signal Higher Standard Standard After finishing C1 parameter setting, hold button (SW) shortly to save the current set values and enter C1 additional parameter setting interface, C1 additional parameter column flashes.

  • Page 25: C3 Power-Assist Ratio Gear Initialization Setting

    ELECTRIC BICYCLE METER KT—LCD8H Product User Manual current set values and enter C3 parameter setting interface. ○ C3 Power Assist Ratio Gear Initialization Setting Enter C3 parameter setting interface after C2 parameter setting is finished, C3 parameter column flashes. C3 parameter setting interface Hold button (UP) or button (DOWN) for selection C3 parameter values.
  • Page 26 ELECTRIC BICYCLE METER KT—LCD8H Product User Manual Enter C4 parameter setting interface after C3 parameter setting is finished, C4 parameter column flashes. C4 parameter setting interface C4 is throttle function setting, the setting range is 0-4, hold button (UP) or button (DOWN) for selection.

  • Page 27: C5 Controller Maximum Current Adjustment Setting

    ELECTRIC BICYCLE METER KT—LCD8H Product User Manual (UP) button or (DOWN) button for short to make selection, and the default value is 20. When C4 = 4 is confirmed, the "percentage value of the first gear speed accounts for its full speed" of the power assist gear flashes, press (UP) button or (DOWN) button for short to make selection, and the default value is 50%.

  • Page 28: C6 Backlight Brightness Adjustment Setting

    ELECTRIC BICYCLE METER KT—LCD8H Product User Manual 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 Maximum current value÷1.20 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);...

  • Page 29: C7 Cruise Function Setting

    ELECTRIC BICYCLE METER KT—LCD8H Product User Manual selection. C6 parameter definition table： C6 value Backlight brightness Dimmest Darker Standard Brighter Brightest After finishing C6 parameter setting, hold button (SW) shortly to save the current set values and enter C7 parameter setting interface. ○...

  • Page 30: C8 Motor Operating Temperature Display Setting

    ELECTRIC BICYCLE METER KT—LCD8H Product User Manual C7 value Cruise function After finishing C7 parameter setting, hold button (SW) shortly to save the current set values and enter C8 parameter setting interface. ○ C8 Motor Operating Temperature Display Setting Enter C8 parameter setting interface after C7 parameter setting is finished, C8 parameter column flashes.
  • Page 31 ELECTRIC BICYCLE METER KT—LCD8H Product User Manual ○ C9 Startup Password Setting Enter C9 parameter setting interface after C8 parameter setting is finished, C9 parameter column flashes. C9 parameter setting interface C9 is meter power-on password setting, the default value is 0, hold button (UP) button (DOWN) shortly for selection.
  • Page 32 ELECTRIC BICYCLE METER KT—LCD8H Product User Manual Password Setting Interface The password setting is done sequentially from left to right, hold button shortly to confirm after each setting and enter next setting. Password setting range is 000-999, hold button (UP) or button (DOWN) shortly for selection.
  • Page 33 ELECTRIC BICYCLE METER KT—LCD8H Product User Manual Y, hold button (UP) or button (DOWN) shortly for selection. C10 parameter definition table： C10 value Restore default setting Function off Function on When the meter is needed to restore default setting, C10 selects Y, hold button long for about 2 seconds, all parameters restore default settings and exit setting environment, and then return to the display1.

  • Page 34: C12 Controller Minimum Voltage Adjustment Setting

    ELECTRIC BICYCLE METER KT—LCD8H Product User Manual Meter uses LCD3 new version of communication protocol, it is compatible LCD1 and LCD2. Meter uses LCD1 and LCD2 old version communication protocol, it is not compatible LCD3. As data source for copying parameters, the meter transfers the new LCD3 parameter to other meters.
  • Page 35 ELECTRIC BICYCLE METER KT—LCD8H 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, hold button (UP) or button (DOWN) shortly for selection. C12 parameter definition table：...

  • Page 36: C13 Abs Brakes Of The Controller And Parameters Of Anti-Charge Control Setting

    ELECTRIC BICYCLE METER KT—LCD8H Product User Manual 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. After finishing C12 parameter setting, hold button (SW) shortly to save the current set values and enter C13 parameter setting interface.

  • Page 37: C14 Power-Assist Tuning Parameters Setting

    ELECTRIC BICYCLE METER KT—LCD8H Product User Manual efficiency The recommended value of C13 is 1; other values need to be chosen with caution for use. Be sure to note: the higher is the braking intensity level, and the braking strength will be greater, the greater damage to the motor shaft accordingly.
  • Page 38 ELECTRIC BICYCLE METER KT—LCD8H Product User Manual voltage value according to the battery voltage. 1.2 L1=1, the undervoltage value of the automatic undervoltage controller is confirmed to be 20V. 1.3 L1 = 2, the under-voltage value of the automatic under-voltage controller is forcibly confirmed to be 30V.

  • Page 39: Parameter Copy

    Set parameters (include general project parameter, P parameter and C parameter) of all KT-LCD8H 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 40: User Setting Note

    ELECTRIC BICYCLE METER KT—LCD8H 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 41: Version Information

    ELECTRIC BICYCLE METER KT—LCD8H Product User Manual parameters won’t be saved. The factory parameter set value and the default value of the meter can be set according to user requirements, the meter parameter can be restored by using "C10 automatically restore factory setting " approach when adjusting it. Version Information KT_LCD8H_V1.0 Released on August 9, 2018...

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