LED PANEL CONTROLLER (LPC) V3
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LPC V3 LED Panel Controller – a dedicated CAN interface for position displays
The XAP Technology LPC V3 LED panel controller is the central component of a position display system designed in particular for competition vehicles. It connects the vehicle CAN network to the LED panels to display race position, car number or system status information. Its architecture separates system communication from the dedicated panel link.
The LPC controller independently manages the left and right panels while centralising their power supply and connection interfaces. This arrangement helps teams build a display suited to the vehicle, the applicable regulations and the information that must remain immediately visible.
XAP configures the CAN protocol, panel identifiers and display behaviour to suit each project. The USB connection supports controller programming and integration into the vehicle’s electronic architecture. Depending on the selected functions, the configuration can cover race position, car number, timing, alerts, animations, RGB colours and brightness.
The system combines the LPC controller with XAP LPP-130 LED position panels. XAP can also support connector selection and harness adaptation. The product is intended for motorsport, aerospace, marine, industrial and special-purpose environments.
Key benefits
- Communication between the vehicle CAN network and the LED panels.
- Two separate CAN lines: system network and dedicated panel network.
- Independent CAN outputs for the left and right panels.
- Panel power supply and interfaces centralised by the controller.
- Configurable CAN protocol and USB programming.
- Integration with XAP Technology LPP-130 LED panels.
Technical specifications and integration
The LPC controller sits between the vehicle CAN network and the LED panels. XAP can adapt the CAN configuration and connections to the project. The installer must identify the controller version before wiring: the pinout below applies exclusively to the LPC-330 V3.
Integration
The LPC accepts an 8 to 19 V supply and distributes the power required by the panels. It uses one CAN link for the system and a dedicated CAN link for the display, with separate connections to the right and left panels. The main LPC-330 V3 CT1 connector combines system CAN, four analogue inputs, USB, the power supply, grounds and a 5 V analogue supply. The CT2 and CT3 connectors combine panel power, two digital inputs, side identification and the CAN network dedicated to the panels.
| Specification | Value |
|---|---|
| Supply voltage | 8–19 V |
| Typical current | Approximately 650 mA for the complete system (LPC + 2 panels) |
| CAN interfaces | 2 × CAN 2.0B |
| CAN architecture | System CAN + dedicated panel CAN |
| Panel outputs | Independent left and right CAN channels |
| CAN protocol | Fully configurable |
| Configuration | USB connection and XAP DashEditor software |
| Temperature range | −20 °C to 80 °C |
| Pin | Signal | Function / note |
|---|---|---|
| 1 | CAN1 LOW | CAN 1 |
| 2 | CAN1 HIGH | CAN 1 |
| 3 | USB − | USB DATA − |
| 4 | USB + | USB DATA + |
| 5 | AN1 | Analogue input; connect to ground for use as a switch |
| 6 | AN2 | Analogue input; connect to ground for use as a switch |
| 7 | AN3 | Analogue input; connect to ground for use as a switch |
| 8 | AN4 | Analogue input; connect to ground for use as a switch |
| 9 | USB VBUS | USB power input |
| 10 | POWER SUPPLY | 12 V |
| 11 | GND | Ground |
| 12 | 5V | 5 V analogue supply, 100 mA |
| 13 | GND | Ground |
LPC-330 V3 CT1 connector: 13 positions, part number 8STA21035PN, supplied by SOURIAU, red.
| Pin | Signal | Function / note |
|---|---|---|
| 1 | Power supply | 12 V |
| 2 | SUPP2 | Additional pin for other applications — not used |
| 3 | SUPP1 | Additional pin for other applications — not used |
| 4 | DIG2 | Digital input |
| 5 | DIG1 | Digital input |
| 6 | GND | Power ground |
| 7 | Side ID | Panel side identification |
| 8 | CAN2 LOW | Panel CAN communication |
| 9 | CAN2 HIGH | Panel CAN communication |
| 10 | 5V supply | 5 V logic supply (µP) |
| 11 | SUPP3 | Additional pin for other applications — not used |
| 12 | SUPP4 | Additional pin for other applications — not used |
| 13 | SUPP5 | Additional pin for other applications — not used |
LPC-330 V3 centre CT2 connector: 13 positions, part number 8STA21035SN, supplied by SOURIAU, red.
| Pin | Signal | Function / note |
|---|---|---|
| 1 | Power supply | 12 V |
| 2 | SUPP2 | Additional pin for other applications — not used |
| 3 | SUPP1 | Additional pin for other applications — not used |
| 4 | DIG2 | Digital input |
| 5 | DIG1 | Digital input |
| 6 | GND | Power ground |
| 7 | Side ID | Panel side identification |
| 8 | CAN2 LOW | Panel CAN communication |
| 9 | CAN2 HIGH | Panel CAN communication |
| 10 | 5V supply | 5 V logic supply (µP) |
| 11 | SUPP3 | Additional pin for other applications — not used |
| 12 | SUPP4 | Additional pin for other applications — not used |
| 13 | SUPP5 | Additional pin for other applications — not used |
LPC-330 V3 right CT3 connector: 13 positions, part number 8STA21035SN, supplied by SOURIAU, red.
| Reference | Description |
|---|---|
| PF0856 | Reference code printed in the supplied LPC-330 V3 pinout — product correspondence to be validated |
| PF0909 | LPC-330 V3 LED panel controller — product mentioned in the presentation |
| PF0855 | LPP-130 LED position panel — complementary system component |
Documentation
PF0909
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LPC V3 LED Panel Controller – a dedicated CAN interface for position displays
Key benefits
- Communication between the vehicle CAN network and the LED panels.
- Two separate CAN lines: system network and dedicated panel network.
- Independent CAN outputs for the left and right panels.
- Panel power supply and interfaces centralised by the controller.
- Configurable CAN protocol and USB programming.
- Integration with XAP Technology LPP-130 LED panels.