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

E-bike special meter
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KT-LCD8S 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...
  • Page 2 ELECTRIC BICYCLE METER KT—LCD8S Product User Manual WWW.SZKTDZ.COM...

  • Page 3: 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 4 ELECTRIC BICYCLE METER KT—LCD8S Product User Manual 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………………………………………………………..20 P Parameter Setting……………………………………………………………….……..21 P1 Motor Characteristic Parameter Setting ...............
  • Page 5 ELECTRIC BICYCLE METER KT—LCD8S Product User Manual Exit Parameter Setting..................... 39 Parameter Copy ........................45 User Setting Note ....................... 47 Version Information……………………………………………………………………… 47 - 3 -...

  • Page 6: 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 7: 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 8: Φ 31.8 Handlebar Diameters Install Icon

    ELECTRIC BICYCLE METER KT—LCD8S Product User Manual ○ Φ 31.8 handlebar diameters install icon ○ Φ 22.2 handlebar diameters install icon ○ Physical installation icon - 6 -...

  • Page 9: 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 10: 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 11: 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 12: Display Of Turned On Throttle

    ELECTRIC BICYCLE METER KT—LCD8S Product User Manual Display 2 In the riding mode after 5 seconds, display 2 automatically jump to display 1 In display 2 , 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 13: Assist Ratio (Or Throttle) Gear Switch

    ELECTRIC BICYCLE METER KT—LCD8S 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 14: Push Function

    ELECTRIC BICYCLE METER KT—LCD8S Product User Manual ○ 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. Release button (DOWN), the assist function will be revoked.

  • Page 15: Turn On/Off Backlight

    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 16: Battery Capacity Indicator

    ELECTRIC BICYCLE METER KT—LCD8S 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 17: Motor Power And Temperature

    ELECTRIC BICYCLE METER KT—LCD8S Product User Manual Voltage shortage flashes 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 - 15 -...

  • Page 18: Environment Temperature

    ELECTRIC BICYCLE METER KT—LCD8S Product User Manual operating temperature display function. ○ Environment Temperature After startup, the environment temperature for using meter will be displayed in environment temperature display column. The temperature display value may be in deviation shortly after boot-up, and the display value will be gradually approaching the environment temperature within 10 minutes after boot-up.

  • Page 19: Automatic Prompt Interface

    ELECTRIC BICYCLE METER KT—LCD8S 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 20: User Project Setting

    ELECTRIC BICYCLE METER KT—LCD8S Product User Manual User Setting Project KT-LCD8S meter 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...

  • Page 21: Wheel Diameter

    ELECTRIC BICYCLE METER KT—LCD8S Product User Manual to save the current set values, then to enter the next setting. press button (DOWN) ○ Wheel Diameter After finishing the maximum riding speed setting, press button (DOWN) to enter the wheel diameter setting interface, press button shortly (SW) , and then the wheel diameter display column flashes.

  • Page 22: Exit General Project Setting

    ELECTRIC BICYCLE METER KT—LCD8S Product User Manual After finishing the wheel diameter setting, press button (DOWN) to enter the metric/imperial units setting interface, press button (SW) shortly, and then the speed and mileage unit flash. Press button (UP) or button (DOWN) shortly to make sync selection of three metric/imperial units as speed, mileage, and the environment temperature.

  • Page 23: P Parameter Setting

    ELECTRIC BICYCLE METER KT—LCD8S Product User Manual parameters will be saved. P Parameter Setting After finishing metric/imperial unit settings, the speed and mileage units stop flashing. Press button (DOWN) to enter P Parameters Setting. ○ P1 Motor Characteristic Parameter Setting P1 is motor characteristic parameter setting, P1 = motor gear reduction ratio×...

  • Page 24: P3 Power Assist Control Mode Setting

    ELECTRIC BICYCLE METER KT—LCD8S Product User Manual Enter P2 parameter setting interface,then P2 parameter column press button flashes. 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 25: P4 Throttle Startup Setting

    ELECTRIC BICYCLE METER KT—LCD8S Product User Manual Enter P3 parameter setting interface after P2 parameter setting is finished, press and P3 parameter column flashes. button 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"...

  • Page 26: 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 27: Exit P Parameter Setting

    ELECTRIC BICYCLE METER KT—LCD8S 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 28: C Parameter Setting

    ELECTRIC BICYCLE METER KT—LCD8S Product User Manual original set parameters will be saved. C Parameter Setting After finishing P5 parameter setting, P5 parameter column stops flashing. Within 1 minute after stopping flashing, press button (DOWN) to enter C parameter setting environment.

  • Page 29: C2 Motor Phase Classification Coding Setting

    ELECTRIC BICYCLE METER KT—LCD8S Product User Manual Higher 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. ○ C2 Motor Phase Classification Coding Setting Enter C2 parameter setting interface after C1 parameter setting is finished, press button (SW),C2 parameter column flashes.

  • Page 30: C3 Power-Assist Ratio Gear Initialization Setting

    ELECTRIC BICYCLE METER KT—LCD8S Product User Manual value and then press button (DOWN) to enter C3 parameter setting interface. ○ C3 Power Assist Ratio Gear Initialization Setting Enter C3 parameter setting interface after C2 parameter setting is finished, press button (SW), C3 parameter column flashes. C3 parameter setting interface Press button (UP) or...

  • Page 31: C4 Throttle Function Setting

    ELECTRIC BICYCLE METER KT—LCD8S Product User Manual value and then press button (DOWN) to enter C4 parameter setting interface. ○ C4 Throttle Function Setting Enter C4 parameter setting interface after C3 parameter setting is finished, press button (SW), C4 parameter column flashes. C4 parameter setting interface C4 is throttle function setting, the setting range is 0-4, press button (UP) or...

  • Page 32: C5 Controller Maximum Current Adjustment Setting

    ELECTRIC BICYCLE METER KT—LCD8S Product User Manual Throttle gears distinguished Non-zero startup throttle, Throttle gears is 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 33: C6 Backlight Brightness Adjustment Setting

    ELECTRIC BICYCLE METER KT—LCD8S 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 34: C7 Cruise Function Setting

    ELECTRIC BICYCLE METER KT—LCD8S 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 35: C8 Motor Operating Temperature Display Setting

    ELECTRIC BICYCLE METER KT—LCD8S Product User Manual button (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 button (DOWN) for selection. C7 parameter definition table： C7 value Cruise function After finishing C7 parameter setting, press...

  • Page 36: C9 Power-On Password Setting

    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 37 ELECTRIC BICYCLE METER KT—LCD8S Product User Manual Enter C9 parameter setting interface after C8 parameter setting is finished, press button (SW), 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 38: C10 Automatic Restore Default Setting

    ELECTRIC BICYCLE METER KT—LCD8S 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 39: C11 Attribute Selection Setting

    ELECTRIC BICYCLE METER KT—LCD8S 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 40 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 compatible LCD1 and LCD2.

  • Page 41: C12 Controller Minimum Voltage Adjustment Setting

    ELECTRIC BICYCLE METER KT—LCD8S 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 42: C13 Abs Brakes Of The Controller And Parameters Of Anti-Charge Control Setting

    ELECTRIC BICYCLE METER KT—LCD8S Product User Manual 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： Minimum Voltage(V) C12 value 24V Controller...
  • Page 43 ELECTRIC BICYCLE METER KT—LCD8S Product User Manual flashes. 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.

  • Page 44: C14 Power-Assist Tuning Parameters Setting

    ELECTRIC BICYCLE METER KT—LCD8S Product User Manual After finishing C13 parameter setting, press button (SW) to save the current value and then press button (DOWN) to enter C14 parameter setting interface. ○ C14 Power-assist tuning parameters Setting Enter C14 parameter setting interface, press button (SW), C14 parameter bar flashes.

  • Page 45: L Parameters Setting

    ELECTRIC BICYCLE METER KT—LCD8S Product User Manual L Parameter Setting 1. L1 parameters are applicable to the automatic under-voltage controller. The default of the factory is 0. 1.1 When L1=0, the automatic under-voltage controller can automatically select the under-voltage value according to the battery voltage. 1.2 When L1=1, the under-voltage value of the automatic under-voltage controller is forced to be 20V.
  • Page 46 ELECTRIC BICYCLE METER KT—LCD8S Product User Manual 2.2 When L2=1, P1 parameter is set as a half of the calculated value. 3. L3 parameter is applicable to the dual mode controller. The default of the factory is 1. 3.1 When L3=0, the controller will activate Non-Hall model only when the Hall sensor in the motor fails 3.2 When L3=1, the controller will choose the proper model to use according to the controller system optimization.

  • Page 47: Parameter Copy

    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 48 ELECTRIC BICYCLE METER KT—LCD8S Product User Manual according to the diagram. 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 49: User Setting Note

    ELECTRIC BICYCLE METER KT—LCD8S Product User Manual Interface of finishing parameter copy Both C9 power-on password and C11 meter attributes can’t be copied. Please note: Besides, LCD8S 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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