VeloFox DM03 Manuel utilisateur

杭州威狐智能科技有限公司
Hangzhou VeloFox Intelligent Technology Co,. Ltd.
文件编号
版本号
1.01
DM03 Display
Functionality Introduction
Product Name: Intelligent OLED Display
Product Model: DM 03
Signature
Date
Editor
Leo Liao
2020-06-17
Checked
Approved

杭州威狐智能科技有限公司
Hangzhou VeloFox Intelligent Technology Co,. Ltd.
文件编号
版本号
1.01
第2页/共27页
版本修订历史
Version No.
Reviser
Date
Revision content
V1.01
Leo Liao
2020.06.17
Initial version
Leo Liao
2020.07.27
Update display coding rules

杭州威狐智能科技有限公司
Hangzhou VeloFox Intelligent Technology Co,. Ltd.
文件编号
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Content
A Product Introduction...........................................................................................................................4
1. Product name and model.......................................................................................................4
2. Product Introduction .............................................................................................................4
3. Range of application ..............................................................................................................4
4. Appearance and size ..............................................................................................................4
5. Display coding rules...............................................................................................................5
B Product manual...................................................................................................................................6
1. Specifications ..........................................................................................................................6
2. Function overview..................................................................................................................6
3. Installation ..............................................................................................................................7
4. Interface ..................................................................................................................................8
4.1 Boot interface...................................................................................................................8
4.2 Basic interface and operation...........................................................................................9
4.3 Function interface introduction........................................................................................9
Boot interface and basic function interface .......................................................................9
Other function interfaces...................................................................................................10
Setting interface .................................................................................................................11
5. Button definition ..................................................................................................................12
5.1 Button name:..................................................................................................................12
5.2 Definition of button operation .......................................................................................12
6. Basic function operation......................................................................................................13
6.1 Turn on/off the display...................................................................................................13
6.2 Assist level switch .......................................................................................................13
6.3 Information switch .........................................................................................................14
6.4 Light control function ....................................................................................................14
6.5 Speed information switch ..............................................................................................15
6.6 Walk assist function .......................................................................................................15
6.7 Battery power indicator and assist power output...........................................................15
7. Setting Function ...................................................................................................................17
8. Advanced setting functions .................................................................................................19
*Warning ............................................................................................................................19
Advanced setting operation instructions..............................................................................19
Reference table for the circumference value corresponding to common wheel diameters .23
9. Data clearance ......................................................................................................................23
10. Error information.............................................................................................................24
11. Wire definition ..................................................................................................................25
11.1 Standard wires definition: ............................................................................................25
11.2 Standard conversion wire specifications:..................................................................26
C Package specifications......................................................................................................................26
D Note..................................................................................................................................................27

杭州威狐智能科技有限公司
Hangzhou VeloFox Intelligent Technology Co,. Ltd.
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A Product Introduction
1. Product name and model
OLED display of electric power assist bikes
Product model: DM03
⚫DM03 includes two versions of UART communication and CAN BUS communication
DM03_U corresponds to UART communication version;
DM03_C corresponds to CAN BUS communication version.
⚫All DM03 products are equipped with Bluetooth in its hardware
2. Product Introduction
Tempered glass screen with 2.5D chamfered edge
1.3 inch high brightness B/W monochrome OLED screen
Enlarged operating space plus ergonomic button design
IP65 waterproof level, excellent for outdoor use
Built-in Bluetooth function, compatible with CAN-BUS and UART communication
Service Tool function for fast firmware upgrade, parameter setting, and easy maintenance.
3. Range of application
Suitable for all E-bikes that comply with EN15194 standard
4. Appearance and size
The shell material of DM03 is PC+GF10, the screen is made of imported tempered glass with
2.5D chamfering technology. This product is suitable to be installed on the left side of horizontal tube

杭州威狐智能科技有限公司
Hangzhou VeloFox Intelligent Technology Co,. Ltd.
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with a handlebar size ofφ22.2mm.
5. Display coding rules
As shown as above picture:
Product Model
The hardware version number, C-CAN, U-UART
(last 2 digits means version number)
The code of manufacture factory M0,M1, M2
The year and week of manufacture
The Production serial number
23.5mm
1.3” OLED
22.2mm
63.5mm

杭州威狐智能科技有限公司
Hangzhou VeloFox Intelligent Technology Co,. Ltd.
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B Product manual
1. Specifications
①Power supply: DC 24V/36V/48V
② Rated current: 18 mA
③ Shutdown leakage current: <1uA
④ Screen specification: 1.3” OLED
⑤ Communication method: UART/ CAN-BUS 2 modes
⑥ Operating temperature: -20°C ~ 60°C
⑦ Storage temperature: -30°C ~ 80°C
⑧ Waterproof level: IP65
2. Function overview
① Four buttons, ergonomic design
② Selective digital and icon power assist gear for high visibility
Parameter character value (2 digits reserved)
forfdigitsreserved)
Parameter character value (wheel size, 700C=70, 27.5=27)
27.5=27)
Parameter character value(speed limit information,
range from 04 to 46,00= no speed limit)
Parameter character value
(voltage,24/36/43/48/52,can be expanded)
Customer code
Customer software version number

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③ Unit: Km / miles
④ Speed: Real-time speed(SPEED)、 maximum speed(MAX)、 average speed(AVG)
⑤ Battery indicator with percentage display
⑥ Range: Endurance mileage(*available if BMS provides necessary info)
⑦ Headlight on/off status indication and control
⑧ Mileage: Subtotal mileage(TRIP), total mileage (ODO)
⑨ Walk assist function
⑩ Parameters setting and advanced setting
⑪ Error code indication
3. Installation
① Open the display locking clip, set the display in the left handlebar (standard handlebar size:Φ22.2)
Adjust to a position easy to operate, using M3 hex set to screws and tighten. Tightening torque: 0.8N.m.
*Note: Damage caused by excessive torque is not covered by the warranty.
② Connect the 5 pin plug to the docking plug of the controller as marked

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4. Interface
4.1 Boot interface
Boot logo interface is displayed for 3 seconds after display is turned on. When the
communication connection is established, display enters the main interface which shows information
obtained from the controller. ( All data displayed is following communication protocol provided by
the customer)

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4.2 Basic interface and operation
① Display adopts 4 buttons: power button、M button、 button、 button
② Standard Outlet is a board end connector, which is convenient for after-sales maintenance and
replacement
③ 1.3 inch OLED dot matrix display meets the need for customization of the boot interface and UI
interface
4.3 Function interface introduction
Boot interface and basic function interface
Boot logo interface is displayed for 3 seconds after display is turned on. When the
M button
Power button
Adjust button
5 Pin Plug
Basic interface
Boot logo interface
customization available upon
request
Battery indicator
Headlight indicator
Speed display
Subtotal mileage
Power assist level
Boot logo interface
Basic interface
Bluetooth

杭州威狐智能科技有限公司
Hangzhou VeloFox Intelligent Technology Co,. Ltd.
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communication connection is established, display enters the main interface, showing real-time
information stored in the controller and battery BMS according to communication protocol. (Battery
indicator will not show battery percentage if BMS info is not available)
Other function interfaces
Function interfaceⅠ
Function interface I mainly displays speed information, including average speed, maximum speed
and TRIP info which is subtotal mileages as shown on basic interface. Speed display value has 3 digits,
maximum value is 99.9KM/H, including one digit after the decimal point. Subtotal mileage TRIP value
has 4 digits, including one digits after the decimal point. After 9999.9 KM is exceeded, the decimal
point is not indicated, and a 5-digit mileage value is displayed directly, with a maximum value of
99999km. After the maximum value is exceeded, the value is shown as the actual mileage value
deducted by 100,000.
Data on function interface I can be cleared by a key operation
Function interfaceⅡ
The function interface II mainly displays mileage information, including endurance mileage and total
mileage information. The endurance mileage is calculated by controller based on battery BMS capacity.
If the controller does not provide the endurance mileage info, it will be displayed as 000.0KM. Total
mileage is usually 4 digits, including one digit after decimal point. After 9999.9KM is exceeded, the
decimal point is not indicated, and a 5-digit mileage value is displayed directly, with a maximum value
of 99999km. After the maximum value is exceeded, the value is shown as the actual mileage value
deducted by 100,000.
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