SCIWIL SW900-VA User manual

USERS GUIDE
SW900-VA
No.：
Name：
SW900VA
Issued on：
27th May, 2023
Version:
A/0
Written By: Zhang Pei Rev.：Liu Jian Apprv.：Luo Zhenrong
Changzhou Sciwil E-Mobility Technology Co., Ltd.
9th Huashan Road, Changzhou, Jiangsu, China- 213022
Fax: [phone] Tel: [phone]
Page 1 of 14

Changzhou Sciwil E-
Mobility Technology Co., Ltd.
9th Huashan Road, Changzhou, Jiangsu, China- 213022
Fax: [phone] Tel: +86 519-
85600675
Contents
Introduction .................................................................................................................................................. 1
1. Product Name and Model .................................................................................................................. 2
2. Specifications .......................................................................................................................................... 2
3. Exterior Look and Size ......................................................................................................................... 2
4. Cable Connection ...................................................................................................................................3
5. Assembly .................................................................................................................................................. 4
6. Functions .................................................................................................................................................. 4
7. Operation Guide .................................................................................................................................... 5
7.1 Riding Interface ............................................................................................................................. 5
7.2 Setting Interface ........................................................................................................................... 6
7.3 Error Report Interface ................................................................................................................. 6
7.4 Key Pad ........................................................................................................................................... 6
8. General Operations .............................................................................................................................. 7
8.1 Switch On/Off ............................................................................................................................... 7
8.2 Assist Level .................................................................................................................................... 7
8.3 Interface Switching...................................................................................................................... 7
8.3.1 Speed Switching .............................................................................................................. 9
8.3.2 Distance Switching ......................................................................................................... 9
8.4 Front Light On/Off ..................................................................................................................... 9
8.5 6km/h Walk Assist Mode ........................................................................................................ 9
9Introduction of Setting Interface .................................................................................................10
10. Settings ..................................................................................................................................................10
10.0Factory Reset （optional）..................................................................................................... 10

Changzhou Sciwil E-
Mobility Technology Co., Ltd.
9th Huashan Road, Changzhou, Jiangsu, China- 213022
Fax: [phone] Tel: +86 519-
85600675
10.1 Backlight Brightness .............................................................................................................. 10
10.2 System Unit ............................................................................................................................. 10
10.3 Voltage Level ........................................................................................................................... 10
10.4 Auto-Off Interval .................................................................................................................... 10
10.5 Assist Level Range ................................................................................................................. 11
10.6 Wheel Size ................................................................................................................................ 11
10.7 Magnet Steel Number for Speed Test ........................................................................... 11
10.8 Speed Limit .............................................................................................................................. 11
10.9 Start Mode ............................................................................................................................... 11
10.10 Drive Mode ........................................................................................................................... 11
10.11 PAS Sensor Type ................................................................................................................. 11
10.12 PAS Start Strength ............................................................................................................. 11
10.13 Magnet Steel ....................................................................................................................... 11
10.14 Controller Current Limit .................................................................................................. 11
10.15 Display Low Voltage Level ............................................................................................. 11
10.16 Clear Distance .................................................................................................................... 12
10.17 Cruise (optional) ................................................................................................................ 12
11. Error Code ........................................................................................................................................ 12
12. Serial Code ....................................................................................................................................... 13
13. Safety Notes .................................................................................................................................... 14
14. Quality and Warranty .................................................................................................................. 15
15. Version ............................................................................................................................................... 15

1
Changzhou Sciwil E-
Mobility Technology Co., Ltd.
9th Huashan Road, Changzhou, Jiangsu, China- 213022
Fax: [phone] Tel: +86 519-
85600675
Introduction
Congratulations on purchasing your e-bike smart display. Before use, please read
through this manual. It is important to acknowledge all the
WARNINGS, SAFETY
NOTES AND INSTRUCTIONS
. This manual will walk you through assembly, settings
and operations of Sciwil display products in easy steps, to facilitate operations on
your e-bike.

2
Changzhou Sciwil E-
Mobility Technology Co., Ltd.
9th Huashan Road, Changzhou, Jiangsu, China- 213022
Fax: [phone] Tel: +86 519-
85600675
1. Product Name and Model
Product Name: E-Bike Display
Product Model: SW-900
2. Specifications
① Working Voltage: DC 24V/36V/48V/52V/60V/72V
②
Rated Working Current: 12mA
③
Leakage current: <1uA
④
Screen Size: 3.6 ” LCD
⑤
Communication Type: UART (by default)
⑥
Working Temperature: -20°C ~ 70°C
⑦
Storage Temperature: -30°C ~ 80°C
⑧
Waterproof Rating: IPX6
3. Exterior Look and Size

3
Changzhou Sciwil E-
Mobility Technology Co., Ltd.
9th Huashan Road, Changzhou, Jiangsu, China- 213022
Fax: [phone] Tel: +86 519-
85600675
4. Cable Connection
Display to Controller Controller to Display Controller Connector
Waterproof Type (BMING) Waterproof Type (BMING) Regular Type

4
Changzhou Sciwil E-
Mobility Technology Co., Ltd.
9th Huashan Road, Changzhou, Jiangsu, China- 213022
Fax: [phone] Tel: +86 519-
85600675
Standard Cable Connector Diagram
5. Assembly
① Open the holder ring/rubber spacer of the display and fix the display on the
handlebar, adjust it to a proper facing angle. Use a M3 Hex Wrench to fix and
tighten the screws. Standard fixing torque: 0.8N·m.
*Damage due to extra fixing torque is not covered by warranty.
② Make sure your e-bike is powered off, then plug the connector on the display to
the connector on the controller (bus) to finish standard assembly.
6. Functions
①Simple key pad for easy & clear operation
②Boot password (optional)
③System unit switch (km/h or mph)
④Speed display：
real-time speed (SPEED), max speed (MAX), average speed (AVG)
⑤Assist Level Control
⑥Battery indication: battery capacity, low voltage indication, BMS info display
⑦Front light indication: front light status supported by controller
Sequence No. Wire Color Functions
1 Red（VCC）Display Power Cable
2 Blue（K）Controller Power Cable
3 Black（GND）Display Ground Cable
4 Green（RX）Display Data Receiving Wire
5 Yellow（TX）Display Data Sending Wire

5
Changzhou Sciwil E-
Mobility Technology Co., Ltd.
9th Huashan Road, Changzhou, Jiangsu, China- 213022
Fax: [phone] Tel: +86 519-
85600675
⑧Distance：single-trip distance (TRIP), total travel distance (ODO)
⑨Riding Time: TRIP TIME
⑩Communication port connection: for system maintenance and specs settings
⑪Walk assist mode
⑫Error code indication
7. Operation Guide
7.1 Riding Interface
①Real-Time Speed (RT SPEED)：current riding speed
②Average Speed (AVG SPEED)：average riding speed
③Maximum Speed (MAX SPEED)：the max speed during ride
④Total Travel Distance (ODO)：total riding distance, max value 99999.9
⑤Assist Level and Walk Mode：Assist Level 3/5/9 levels, can be changed.

6
Changzhou Sciwil E-
Mobility Technology Co., Ltd.
9th Huashan Road, Changzhou, Jiangsu, China- 213022
Fax: [phone] Tel: +86 519-
85600675
⑥Current Speed and Unit：current riding speed, unit: km/h or mph
⑦Single-Trip Distance and Unit：with accuracy of 0.1，max value 99999.9
⑧Battery Indication：the current battery level
⑨Front Light Indication：shows icon when the front light is turned on by display
⑩Power Indication：real-time motor output power
7.2 Setting Interface
7.3 Error Report Interface
7.4 Key Pad

7
Changzhou Sciwil E-
Mobility Technology Co., Ltd.
9th Huashan Road, Changzhou, Jiangsu, China- 213022
Fax: [phone] Tel: +86 519-
85600675
Function/Mode：
Up/Plus：
Down/Minus：
8. General Operations
8.1 Switch On/Off
Keep the display connected with controller, press and hold Mode for
2s to turn on the display. The display will show complete interface first
before entering into riding interface.
When the display is on, press and hold Mode for 2s to turn off the
display.
The display will automatically turn off if no operation happened within
5min (the auto-off interval can be adjusted in the Settings interface).
8.2 Assist Level
Press Up or Down to toggle assist levels. Generally, there are 3/5/9
levels available. The display shows 1 as default start level, level 0 means
no pedal assist output. (the selection interface of assist level see below)