TBB POWER VS28,VS28-LS Monitor and Control
Product Description
Overview
VS28 and VS28-LS are two 2.8-inch displays with hardware switches developed by our company, which can display the real-time operation status of each product of the system, and allow for page turning / setting and other operations through the 4 buttons below the screen. They can be used as small accessories for displaying and parameterizing lithium batteries or inverters.
The difference between VS28 and VS28-LS is the power switch in the upper right corner. VS28 is a momentary switch with white silkscreen and white light; VS28-LS is a latching switch with blue silkscreen and blue light.
Note: The momentary switch is a switch that automatically springs back when pressed and released; the latching switch is a switch that is fixed and does not automatically spring back when pressed and released.
Operating Instructions
System Configuration
The VS28 and VS28-LS currently support the following configuration connections :
| VS28 | VS28-LS | |
| BAT+PG | Support | Support |
| Only BAT | Support | Support |
| Only PG | / | Support |
| Only CM/CC | / | Support |
- BAT: TBB M series lithium battery
- PG: TBB PG series all-in-one power module
- CM/CC: TBB CM/CC series inverter charger
On first startup, a setup wizard screen appears for selecting system language and system mode. After completing the setup you can enter the home page. Users can change the language in Settings > Screen Settings > Language, and adjust the system mode in System Mode Settings.
Note: The display connects to different systems with varying contents and functions. This document introduces only the general software. When accessing a specific system, please refer to the respective system’s documentation for detailed information.
Installation and Fixing
External Dimensions
Installation Diagram
- Slotting size chart, the screen is recessed installation, need to first open a 114 x 79mm slot on the installation surface.
- Remove the decorative cover from the display, place the display into the open slot first, use the 4 M4 screws in the package to secure it and then put the decorative cover back on.
Product Interface
| ①Vehicle Specification Terminal | ②RJ45 Network Port | ||
| Pin | Function | Pin | Function |
| Pin1 | 12V Power Positive | Pin1 | Dry Contact Switches |
| Pin2 | RS485_B- | Pin2 | Dry Contact Switches |
| Pin3 | RS485_A+ | Pin3 | RS485_A+ |
| Pin4 | 12V Power Negative | Pin4 | CAN_H |
| Pin5 | CAN_H | Pin5 | CAN_L |
| Pin6 | Dry Contact Switches | Pin6 | RS485_B- |
| Pin7 | Dry Contact Switches | Pin7 | 12V Power Positive |
| Pin8 | CAN_L | Pin8 | 12V Power Negative |
Product Parameters
| Models | VS28 | VS28-LS |
| Power Switch Types | Momentary Switch | Latching Switch |
| Rated input voltage (V) | 12 | |
| Input Voltage Range (V) | 6~16 | |
| Input Current (mA) | 200 | |
| Average current (mA) | 100 | |
| Display size A.A (mm) | 43,20 x 57,60 | |
| Resolution (Pixels) | 320 x 240 | |
| Dimensions (mm) | 139,8 x 86,2 x 45 | |
| IP Rating | IP20 | |
| Weight (g) | 180 | |
| Operating ambient temperature (℃) | -20~70 | |
| Storage ambient temperature (℃) | -30~80 | |
| Altitude (m) | 5 000 | |
Companion Bluetooth Application
Both VS28 and VS28-LS have a built-in Bluetooth module, which can be connected via a mobile app. This allows data to be viewed and configured on both the display and the device. Note : The display is connected to different systems with different contents and functions, and the app used may differ accordingly. Only the general software is introduced here. For detailed information, please refer to the respective system introduction.
TBB Connection APP
- Google Play Store Download:
- Apple Store download:
- https://apps.apple.com/cn/app/tbb-connection/id6569235562 TBB official website download (APK installer) :
- https://www.tbbpowermobile.com/support/TBB%20Connection
- Left: Google Play Store download address.
- Middle: Apple Store download address.
- Right: TBB official website download address.
Precautionary
- Please do not drop water, cola, alcohol and other liquids into the display, as it may cause corrosion of the circuit board or display malfunctions.
- Please refer to the interface definition for the external wiring of the display, and do not connect wrongly or inversely, to avoid irreversible damage to the circuit.
- Please do not use sharp objects to scratch the screen or impact the screen.
Please use your mobile browser to scan the QR code to get the latest version of the manual.
CONTACT INFORMATION
- TBB POWER(XIAMEN) CO.,LTD
- sales@tbbpower.com
- www.tbbpowermobile.com
- +86-592-5212299
- +86-592-5796070
FAQs
- Q: What is the difference between VS28 and VS28-LS?
- A: The main difference is in the power switch type – VS28 has a momentary switch, while VS28-LS has a latching switch.
- Q: How do I know if the inverter is in Standby or Inverter mode?
- A: The lamp display indicates the mode – on for Inverter mode, off for Standby mode.
Documents / Resources
 | TBB POWER VS28,VS28-LS Monitor and Control [pdf] User Manual VS28, VS28-LS, VS28 VS28-LS Monitor and Control, VS28 VS28-LS, Monitor and Control, Control |
