User manual for the LR056AR/A series industrial color LCD display by 朗睿, covering specifications, connections, commands and usage.
This manual provides hardware and software information for the LR056AR/A series industrial color LCD display manufactured by 朗睿. It includes detailed explanations of signals, performance parameters, external interfaces, communication methods, command sets, and application examples.
The document also contains mechanical structure details, after‑sale support information, product coding, and optional touch‑screen specifications, helping users install, operate, and maintain the display safely. This manual is written in Chinese.
| Screen diagonal | 5.6 inches |
|---|---|
| LCD type | TFT |
| Resolution | 320×RGB×234 |
| Pixel size | 0.118 mm (H) × 0.362 mm (V) |
| Viewing angle | Left 50°, Right 50°, Up 30°, Down 50° |
| Operating voltage | DC 12 V ± 2 V |
| Baud rate | 4800 bps / 9600 bps |
| Power consumption (full operation) | 360 mA @ 12 V |
| Backlight power (off) | 140 mA @ 12 V |
| Operating temperature range | -20 °C to +70 °C |
| Storage temperature range | -30 °C to +80 °C |
| Brightness | 380 cd/㎡ |
| Contrast ratio | 500:1 |
The display has a 5.6‑inch diagonal screen.
It provides a serial interface (RS‑232 or RS‑485) and a parallel port.
The display operates from –20 °C up to +70 °C.