LCD-SW900 INSTRUCTIONS
LCD-SW900 INSTRUCTIONS
1. Shell’s Size and Material
The shell’s material is ABS. LCD screen is made of imported high hardness acrylic, and the
hardness is equal to the tempered glass.
Front View Side View
Side View of the Holder Optional size: 22.2mm, 25.4mm
2. Working Voltage and Mode of Connection
2.1 Working Voltage: DC24V 36V 48V (set by the meter), other voltage could be customized.
LCD-SW900 INSTRUCTIONS
2.2 Mode of Connection:
Standard Connectors Line Sequence:
Red Line (D+): Power Positive
Black Line (GND): Power Negative
Blue Line (DS): Controller’s electric door lock
Brown Line (DD+): Lighting control’s Positive ( If the controller’s software and hardware support
the lighting control, do not need connect this line)
Green Line (RX): Receiving communication
Yellow Line (TX): Sending communication
White Line (GND): Lighting control’s Negative
Extended Functions: PWM Assistance grades control, Independent external speed sensor
3. Functions
3.1 LCD Display
Speed indicator, PAS grades indicator, Battery indicator, Error indicator, Single Trip Distance and
Total Distance, Headlight indicator.
3.2 Parameters Setting
Power on/off, Headlight on/off, 6KM/H Cruise control, Wheel size, Max speed setting,
Auto stand-by and sleep mode setting, Background luminance setting, Working voltage setting.
3.3 Communication Protocol: UART
4. All contents on the screen
LCD-SW900 INSTRUCTIONS
4.1 Headlight
4.2 Power status
4.3 Multi-functions
Total Distance(ODO), Single Trip Distance(TRIP), Error Code(Error), Wattage(WATT),
Maintenance(Maintain), DST TO GO(Unused temporarily)
4.4 E-Bike Mode
Economic mode(ECO), Standard mode(STD), Powerful model(POWER), Hand speed-control
model(SPEEDHANDLE), Walk assisted model(WALK)
4.5 Speed display
Maximum speed(MAX), Average speed(AVG)
MPH, KM/H are both optional.
According Wheel size and signal data, the meter could figure out the real speed.
4.6 Error display
Meaning of Error Code: