The Blue MCU LJD-ZU043 smart terminal manual provides specifications, installation, interface details, and command instructions for industrial and medical…
The LJD‑ZU043 is a high‑integration smart terminal featuring a 4.3‑inch TFT LCD, RS232/RS485 and USB interfaces, and optional four‑wire resistive touch. It is designed for use in industrial control, medical instruments, monitoring, and smart‑home devices.
This manual covers application scope, hardware description, detailed technical specifications, installation and wiring diagrams, tool software usage, command set reference, serial‑port debugging, technical indicators, and a FAQ section for common troubleshooting. This manual is written in Chinese.
| Display | 4.3‑inch TFT LCD, 480×272 resolution, 16:9 aspect |
|---|---|
| Flash Storage | 64 Mbit Flash |
| Data Storage | 2 KByte RAM |
| Power Input | 5 V DC |
| Operating Temperature | -20 °C to +70 °C |
| Storage Temperature | -30 °C to +85 °C |
| Operating Humidity | 45 % to 80 % RH |
| Backlight Lifetime | ≈30 000 hours |
Check the hardware connection, ensure no other program is using the port, verify the COM selection, use a crossover cable if needed, and power‑cycle the device.
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