KT-LCD3
User Manual
eBike Special Meter
English
Please read through carefully before use
PREFACE
This manual aims to help the user understand and familiarise themselves with the
meter function, operation of the meter, how to set the project parameters, how to
achieve the best match of the three (motor, controller, and meter) to improve electronic
control performance of the electric motor. This manual covers installation, operation,
parameter setting of the meter and how to use it properly, which help user resolve
issues that arise from use.
OUTLOOK AND SIZE
Meter Dimension
Meter Dimension
Dual Bracket Mounting Dimension
2
Button Box Dimensions
Main Material and Colour
The KT-LCD3 and button box are primarily constructed of polycarbonates (PC) and are
of a dark gray or white colour.
Wiring Schematic
3
Contents
Preface 2
Outlook and Size 2
Installation Instruction 6
Function Overview 7
Display Content 7
Button Definition 8
Basic Operation 8
On/Off 8
Display Interface 8
Battery Capacity Indicator 12
PAS Ratio 12
Power Push Function 13
Cruise Function 13
Backlight and Headlights 13
Motor Operating Power and Temperature 14
Ambient Temperature 14
Single Data Clearing 14
Automatically Prompt Interface 15
User Setting Project 16
General Project Setting 16
Maximum Trip Speed 16
Wheel Diameter 17
Units 17
P Parameter Setting 18
P1 Motor Characteristic Parameter Setting 18
P2 Wheel Speed Pulse Signal Setting 18
P3 Power Assist Control Setting 19
P4 Throttle Start-Up Setting 19
4
P5 Power Monitoring Setting 20
C Parameter Setting 20
C1 Throttle Start-Up Setting 21
C2 Motor Phase Classification Coding Mode 22
C3 Power Assist Ratio Gear Initialization 22
C4 Handlebar Function Setting 23
C5 Handlebar Function Setting 23
C6 Handlebar Function Setting 24
C7 Cruise Function Setting 25
C8 Motor Operating Temperature Display Setting 25
C9 Startup Password Setting 26
C10 Restore Default Setting 27
C11 Meter Attribute Setting 27
C12 Controller Minimal Voltage Setting 28
C13 ABS Brakes and Anti-Charge Control Setting 29
C14 Power Assist Tuning Setting 30
Parameter Copy 30
Version Information 31
Contact Us 32
5
INSTALLATION INSTRUCTION
Using the appropriate methods and fixtures, mount the LCD screen and button box
onto the handle bar to the rider’s desires. Refer to the following images below for
installation on specific handle bar diameters. While the vehicle is off, connect the
necessary wiring and check to make sure all connections are firmly attached. Finally,
remove the protection film from the display.
Ø 31.8 Handlebar Diameter Install
Ø 22.2 Handlebar Diameter Install
Installed KT-LCD3
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FUNCTION OVERVIEW
KT-LCD3 meter provides 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));
◊ 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));
◊ Trip distance display (with displays of a single trip distance (DST) and total trip distance
(ODO));
◊ Display of turned on handlebar;
◊ Display of power-assist startup;
◊ Power assistant ratio (or handlebar) gear (ASSIST) switch;
◊ 6Km/H power push ( ) function;
◊ Cruise function (CRUISE);
◊ Battery capacity indicator ( );
◊ Real-time battery voltage (VOL) display;
◊ Motor power and temperature (MOTOR) display;
◊ Brake display ( );
◊ Turn on backlighting and lights ( );
◊ Environment temperature (°C or °F) display;
◊ Data clearing;
◊ Fault code display;
◊ User parameter setting
◊ 24V, 36V, 48V supply voltage can automatic identification and be compatible
DISPLAY CONTENT
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BUTTON DEFINITION
KT-LCD3 meter adopts the structural form with part design between the main part
and operating buttons.
There are three buttons on the operating panel of the box, which are icons of
button (UP), button (DOWN) and button (POWER).
Button Box and Operating Panel
BASIC OPERATION
On/Off
To turn on or off, hold down button for 2 seconds. System will automatically shut
down when vehicle is stationary and not in use for longer than five minutes. When
powered off, the power consumption of the meter and controller is zero.
Display Interface
Display 1: The meter is configured to enter this display on start-up.
The following are shown on display 1.
Battery Capacity Indicator Single Trip Time (TM)
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Power Assist Real-Time Trip Speed (Km/H)
Single Trip Distance (DST) 6Km/H Push Function
Motor Operation Power Environment Temperature
Backlight and Headlights Brake Status
Cruise Function (CRUISE) Motor Running Temperature
9
Display 2: To enter display 2, press the button whilst in display 1. The interface
will display as shown below.
Display 2
Total Trip Time (TTM) Total Trip Distance (ODO)
Single Average Speed (AVS) Motor Operating Temperature
Once the vehicle is in riding mode, after five seconds display 2 automatically reverts to
display 1. The original motor power is replaced by the motor running temperature as
shown below. To return to motor output, cycle through the displays back to display 1.
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Display 3: To enter display 3, press the button whilst in display 2. The interface
will display as shown below.
Display 3
Single Maximum Speed (MXS) Real-Time Voltage (VOL)
Once the vehicle is in riding mode, after five seconds the single maximum speed will
return to real-time speed (Km/H) as shown below.
To return to display 1, press button.
Display of Powered Motor: When motor is powered, the LCD will display and animate
the following interface to indicate the motor is drawing power. This will only last a
duration of 5 seconds before reverting to display 1. The interface will appear as follows.
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Display of Powered Motor
Display of Power-Assist: When motor is operating under power-assistance, the display
interface flashes the “ASSIST” sign. The indicator will cease after 5 seconds.
Display of Power-Assist
Battery Capacity Indicator
The KT-LCD3 can identify 24V, 36V, 48V battery capacities when used with supporting
controllers. When the battery capacity is over 70%, four bars from the battery indicator
will be displayed. As the battery capacities drop, the bars will change accordingly. Once
the power capacity is less than 15%, the battery indicator will be empty and show
zero bars. If the power display frame flashes, it is due to voltage shortage where the
controller will power off.
PAS Ratio
Press button or button to adjust the power assist ratio, changing the motor
output power. Range of power assist is between 1 and 5 (this can also be configured
according to the rider’s requirements), where one provides the lowest power and five
provides the highest. When the PAS ratio is set to zero, the power assist function is off.
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Power Push Function
Users can use power push function for assistance in vehicle take-off. Hold button
and the motor will provide power until vehicle reaches 6 Km/H. The meter assist
function icon will flash indicating the function is active. By releasing the button,
the function will be revoked.
Cruise Function
When the vehicle is traveling above 7Km/H, hold button for 3 seconds to set the
cruise function. The LCD will display "CRUISE" and "C" to indicate that the cruise function
has been activated (as seen in the figure below). Brake or hold any button to revoke
cruise. Note that this feature only works if it has been activated through the parameter
settings (check C7 in parameter setting).
Backlight and Headlights
To turn on or off LCD backlight and vehicle headlights, hold button for 3 seconds.
When this function is activated, the display will show sign to indicate it is on.
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Motor Operating Power and Temperature
Whilst vehicle is in use, real time feedback of input power to the motor is displayed on
the meter. The operating temperature of the motor can be displayed with supporting
sensors installed in the inner motor to output the temperature for signal detection.
When the motor operating temperature exceeds the warning value, temperature
display flashes to alarm the rider. In this circumstance, the motor controller will offer
the appropriate protection to motor.
Ambient Temperature
Upon start-up, the environment temperature is displayed on the bottom right hand
corner. The displayed figure may not accurately indicate the environment temperature
immediately after start up, however will adjust within 10 minutes.
Single Data Clearing
After five seconds of start up, whilst on display 1 hold both the button and the
button simultaneously for 3 seconds. The single trip time (TM) and single trip
distance (DST) will flicker. Press button and the record contents of both will be
cleared. If there are no operations within five seconds of (TM) and (DST) flashing, the
meter will return to display 1, and the original record content will be saved.
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Automatically Prompt Interface
Error Code Display: When there are issues with the electronic control system of the
vehicle, the meter will automatically display (flicker) a fault code. This cannot be removed
until fault is fixed. Refer to Error Code & Definition Table for reference.
Motor operating temperature alarm: When the motor operating temperature
exceeds the warning value, the motor operating temperature display flashes to alarm
the rider, whilst the controller will provide the appropriate protection to the motor.
Error Code Display
Error Code & Definition Table:
Error Code Definition
01_info Throttle Abnormality
03_info Motor Hall Signal Abnormality
04_info Torque Sensor Signal Abnormality
05_info Axis Speed Sensor Abnormality
06_info Motor or Controller Short Circuited
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USER SETTING PROJECT
The KT-LCD3 meter provides users with 3 depths of settings which are s:
• General Project Setting
• P Parameter Setting
• C Parameter Setting
To enter the general project setting, simultaneously hold button and button
for 3 seconds within 5 seconds of turning the meter on. The current setting will be
indicated by a flashing sign. To scroll through the menu, press the button.
Once the general project menu has been cycled through, the display will cease
flashing. Now enter the P Parameter settings by simultaneously holding button
and button for 3 seconds. The same method to scroll through the menu can be
applied and the meter will flash specific icons indicating the setting currently open.
Once the flashing has stopped, hold down both the and button again to
progress to the C parameter settings. To exit these settings at any stage, simply hold
down the button where the meter will return to display 1. If no button operation
occurs for 60 seconds whilst in a settings menu, the KT-LCD3 will discard changes and
return to display 1. To exit at any moment, hold and the meter will discard any
unsaved changes and revert to display 1.
GENERAL PROJECT SETTING
Maximum Trip Speed
Turn on meter, and within 5 seconds of start-up simultaneously hold button
and button for 3 seconds to enter general project settings. “MXS” and the speed
will be displayed, indicating the maximum riding speed (Refer to image below for
illustration). To adjust, press the button to increase or button to decrease
the speed. Once desired speed has been selected, press the button to confirm
changes and move onto wheel diameter.
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Wheel Diameter
While in the general project setting, cycle through the menu using the button
until the values of “DST” are flashing. Use the button and button to scroll
through the selection of the following wheel diameters: 6, 8, 10, 12, 14, 16, 18, 20, 22,
24, 26, 700C and 28 inches. Confirm selection by pressing the button.
Units
While in the general project setting, cycle through the menu using the button until
the values of units are flashing (as shown below). Use the button and button
to scroll through the selection of units. Confirm selection by pressing the button.
Definition Table of Metric/Imperial Units:
Unit Metric Imperial
Speed Km/H MPH
Distance Km Mil
Temperature °C °F
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P PARAMETER SETTING
Enter the P Parameter settings by cycling through the General Project Settings to the
end (when display ceases flashing) and simultaneously holding button and
button for 3 seconds. If required to exit at any parameter, hold button for 2
seconds. Use the button and button to select the value and confirm selection
by pressing the button. The parameter will be saved and the meter will enter the
next P parameter settings.
P1 Motor Characteristic Parameter Setting
P1 Display
The P1 settings are a motor characteristic parameter where:
P1 = Motor Gear Reduction Ratio × Number of Rotor Magnets
Rounding to a full number is necessary. The P1 setting ranges between 1 and 255.
P2 Wheel Speed Pulse Signal Setting
The P2 parameter setting will display on the meter after the P1 parameter setting has
been selected and confirmed. The KT-LCD3 will display as follows:
P2 Display
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The P2 parameter is a setting mode for wheel speed pulse signal. If wheel generated
1 pulse signal by a revolution, the P2 value should be set to 1. If the wheel generated
6 pulse signals by a revolution, P2 should be set as 6. If users did not configure the
parameter then P2 can be set to 0. The selection of P2 values ranges from 0 to 6.
P3 Power Assist Control Setting
The P3 parameter setting will display on the meter after the P2 parameter setting has
been selected and confirmed. The KT-LCD3 will display as follows:
P3 Display
P3 parameters affect the power assist control setting. When the value is set to 0, the
throttle is dependent on the PAS Gear Ratio. This means when the PAS gear ratio is 1,
the throttle will provide the least amount of power, whereas when it is 5, the throttle
will provide the most power. If the P3 parameter is set to 1, the throttle will provide the
maximum power regardless on the PAS gear ratio chosen.
P4 Throttle Start-Up Setting
The P4 parameter setting will display on the meter after the P3 parameter setting has
been selected and confirmed. The KT-LCD3 will display as follows:
P4 Display
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The P4 settings is for controlling the throttle activation. When the P4 parameter is 1,
the throttle is under "non-zero startup"where the throttle will only activate the motor
after the motor has been activated via pedaling. Setting the P4 to 0 will set the throttle
to activate the motor when triggered.
P5 Power Monitoring Setting
The P5 parameter setting will display on the meter after the P4 parameter setting has
been selected and confirmed. The KT-LCD3 will display as follows:
P5 Display
The P5 Parameter is power monitoring mode. When the value is set to 0, the power
monitoring is in "real-time voltage" mode where the method to determine the battery
capacity is based on real-time voltage. Once the P5 parameter is set to a specified value,
the power monitoring is in "smart power" mode where the value set is determined by
the battery characteristics. Such that, 24V lithium batteries are typically set between
4-11 and 36V lithium batteries set between 5-15. The P5 parameter setting ranges from
0-40.
C PARAMETER SETTING
Enter the C Parameter settings by cycling through the P Parameter Settings to the end
(when display ceases flashing) and simultaneously holding button and button
for 3 seconds. If required to exit at any parameter, hold button for 2 seconds. Use
the button and button to select the value and confirm selection by pressing
the button. The parameter will be confirmed and the meter will enter the following
C parameter settings.
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C1 Throttle Start-Up Setting
The C1 parameter setting will display on the meter after the P Parameter settings. The
KT-LCD3 will display as follows:
C1 Display
C1 settings are the power assist sensor parameters. Its definition is shown in the
following table. As it can be seen from the table, the values for this parameter range
from 0 to 7.
KUNTENG C1 Start KUNTENG V12 C1 Start
Power Assist Value Sensitivity Power Assist Sensors Value Sensitivity
Sensors
Forward 5 Signal 00 Standard Reverse 6 Signal 05 Standard
01 Lower 06 Lower
02 Lowest 07 Lowest
Forward 8 Signal 00 Higher Reverse 10 Signal 05 Higher
01 Standard 06 Standard
02 Lower 07 Lower
Forward 10 Signal 00 Highest Reverse 12 Signal 05 Highest
01 Higher 06 Higher
02 Standard 07 Standard
Forward and Reverse Waveform
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C2 Motor Phase Classification Coding Mode
The C2 parameter setting will display on the meter after C1 settings. The KT-LCD3 will
display as follows:
C2 Display
C2 parameters set the different phases of the motor when using a sine wave drive. The
default value is 0, indicating that the used Quantum motor phase is standard. When the
parameter is set as a specified value, a particular motor phase is selected. The range of
values for C2 are between 0-7.
C3 Power Assist Ratio Gear Initialization
The C3 parameter setting will display on the meter after C2 settings. The KT-LCD3 will
display as follows:
C3 Display
C3 parameters are settings for the power assist ratio gear upon start-up, where if the
rider desires the bike to start up with a power assist ratio gear of 3, the C3 setting
should be set to 3. The setting range for the C3 parameters are 0-8 (0-5 are only used.
Production errors produced additional settings of 6-8.
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C4 Handlebar Function Setting
The C4 parameter setting will display on the meter after C3 settings. The KT-LCD3 will
display as follows:
C4 Display
C4 settings are for the handlebar functions. The setting range is 0-4. This is accompanied
by a table below, defining each value.
C4 Value Throttle startup Mode P4 = 0 Throttle Startup Mode P4 = 1
0 Zero startup handlebar Non-zero startup
Zero startup, throttle speed Throttle limited to 6km/h before pedaling
1
limited to 6km/h and provides full speed after pedal assist
Zero startup, throttle speed Non-zero startup, throttle speed
2
limited to rider's specification limited to rider's specification
Zero startup, zero gear
3 Retain
effectively
Throttle gears is distinguished Throttle gears is distinguished according
4
according to the display meter to the display meter
5 Retain Retain
C5 Handlebar Function Setting
The C5 parameter setting will display on the meter after C4 settings. The KT-LCD3 will
display as follows:
C5 Display 23
C5 settings are for controlling the maximum operating current. The default value is 10
and value ranges from 0 to 10. Refer to table below for definition of each value.
C5 Value Maximum Current Value (A)
00 Undefined
01 Undefined
02 Undefined
03 Maximum Current Value ÷ 2.00
04 Maximum Current Value ÷ 1.50
05 Maximum Current Value ÷ 1.33
06 Maximum Current Value ÷ 1.25
07 Maximum Current Value ÷ 1.20
08 Maximum Current Value ÷ 1.15
09 Maximum Current Value ÷ 1.10
10 Maximum Current Value
C6 Handlebar Function Setting
The C6 parameter setting will display on the meter after C5 settings. The KT-LCD3 will
display as follows:
C6 Display
C6 settings are for the meter's backlight brightness. The default value is 3 and the
setting range is 1-5.
C6 Value Backlight Brightness
1 Dimmest
2 Darker
3 Standard
4 Brighter
5 Brightest
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C7 Cruise Function Setting
The C7 parameter setting will display on the meter after C6 settings. The KT-LCD3 will
display as follows:
C7 Display
The cruise function settings can be found in C7. Refer to the following table for definitions
of C7 values.
C7 Value Cruise Function
0 Disabled
1 Enabled
C8 Motor Operating Temperature Display Setting
The C8 parameter setting will display on the meter after C7 settings. The KT-LCD3 will
display as follows:
C8 Display
C8 is settings for the motor operating temperature display. Refer to the following table
for definitions of the C8 values.
C8 Value Motor Operating Temperature Function
0 Disabled
1 Enabled
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C9 Startup Password Setting
The C9 parameter setting will display on the meter after C8 settings. The KT-LCD3 will
display as follows:
C9 Display
C9 is the settings for password feature upon startup. The default value is 0. Refer to the
following table for definition of the function.
C9 Value Password Function
0 Disabled
1 Enabled
When the feature has been enabled and confirmed by pressing the button, the
display will change to the following.
Password Setting Interface
From here the rider can set the 3 digit passcode starting from the left and sequentially
progress to the right. Password value range is 000-999. Select the values with the
button, button, and confirming the selection with the button.
PLEASE NOTE: If password is forgotten, the parameters can only be copied (see
parameter copy) by data source meter prior to being decoded.
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C10 Restore Default Setting
The C10 parameter setting will display on the meter after C9 settings. The KT-LCD3 will
display as follows:
C10 Display
C10 restores the KT-LCD3 meter to default settings. Refer to table below for definitions.
C10 Value Restore Default Setting
n Disabled
y Enabled
To restore the meter to default settings, select the C10 value "y" to enable the function
and hold the button for 2 seconds. All parameters will restore to default values
and the meter will return to display 1.
C11 Meter Attribute Setting
The C11 parameter setting will display on the meter after C10 settings. The KT-LCD3 will
display as follows:
C11 Display
C11 is meter attribute settings. The setting range is 0-2. Refer to following table for
definition of values.
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C8 Value Meter Attribute
Meter uses LCD3 new version of communication protocol, compatible with
0
LCD1 and LCD3
Meter uses LCD1 and LCD2 old version communication protocol, it is not
1
compatible with LCD3
As data source for copying parameters, the meter transfers the new LCD3
2
parameter to other meters
C12 Controller Minimal Voltage Setting
The C12 parameter setting will display on the meter after C11 settings. The KT-LCD3 will
display as follows:
C12 Display
C12 parameters are settings for the controller's minimum operating voltage (voltage
shortage value). Refer to the following table to calculate the minimum voltage.
Minimum Voltage (V)
C12 Value
24V Controller 36V Controller 48V Controller
0 Default Value-2V Default Value-2V Default Value-2V
1 Default Value-1.5V Default Value-1.5V Default Value-1.5V
2 Default Value-1V Default Value-1V Default Value-1V
3 Default Value-0.5V Default Value-0.5V Default Value-0.5V
4 Default Value=20V Default Value=30V Default Value=40V
5 Default Value+0.5V Default Value+0.5V Default Value+0.5V
6 Default Value+1V Default Value+1V Default Value+1V
7 Default Value+1.5V Default Value+1.5V Default Value+1.5V
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C13 ABS Brakes and Anti-Charge Control Setting
The C13 parameter setting will display on the meter after C12 settings. The KT-LCD3 will
display as follows:
C13 Display
C13 parameters are settings for the ABS braking strength and anti-charge control. Refer
to the following table for definitions of each C13 value.
C13 Value ABS Braking Strength Energy Recovery Efficiency
0 None None
1 Class 1 Braking Strength Best energy recovery
2 Class 2 Braking Strength General energy recovery
3 Class 3 Braking Strength Weaker energy recovery
4 Class 4 Braking Strength Poor energy recovery
5 Class 5 Braking Strength Bad energy recovery
The recommended value for the C13 parameter is 1. Other options should be selected
with caution for use. Seek professional advice for assistance.
Be sure to note: the higher the braking intensity level, the higher the braking strength will
be which results in greater damage to the motor shaft.
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C14 Power Assist Tuning Setting
The C14 parameter setting will display on the meter after C13 settings. The KT-LCD3 will
display as follows:
C14 Display
C14 is the parameters for power assist tuning. The default value is 2. Refer to the
following table for definition of each value.
C14 Value Assist Strength of Pedal Assist
1 Weaker
2 General
3 Stronger
PARAMETER COPY
Set parameters (including general project parameters, P parameters and C parameters)
of any KT-LCD3 meter can be copied to another KT-LCD3 meter. This can be done via
C11 Meter Attribute Setting, where the meter can become a data source. Use special
wiring cables to configure the meter as shown below.
Meter Parameter Copy Wiring Diagram
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Special Wiring Cable
Correctly configure and wire the meters and provide a power supply of 48V, 36V or
24V (VB + positive power supply). Hold button of the source meter until start up.
Within 5 seconds, simultaneously hold button and button for 2 seconds. If
successfully completed, the meter will copy the parameters and display the following
interface.
Successful Copy Display
Please Note: Both C9 start up password and C11 meter attributes cannot be copied.
And LCD3 meter can only copy to meter of same model.
VERSION INFORMATION
KT_LCD3_V2.0
Released on October 20, 2014
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CONTACT US
Dillenger HQ
3/13 Olympic Circuit
Southport
QLD 4215
AUSTRALIA
Phone: 07 5532 9235
dillenger.zendesk.com
www.dillengerelectricbikes.com.au
© Dillenger 2016
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