4 inch synthetic display control screen
Technical parameters
- 1CPU: ARM platform, ARM926EJ-S
- Main frequency: 600Mhz
- On-chip RAM: 512K
- DDR SDRAM: 32MByte
- LCD screen: 7inchRGB true color LCD screen
- Touch type: multi-touch capacitive touch
- Resolution: 480*480
- LCM brightness: 450cd/㎡
- Alarm mode: color changing alarm and alarm content display
- Communication interface: 1 * RS485
- BAMU Power Supply: 5V DC Power Supply
- Communication baud rate: 115200bps / RS485
- Size/quality: 86*86*36MM
- Shell material: flame retardant ABS + cold rolled steel hanging plate
- Process: RAL9017
- Working environment: ambient temperature -20 ~ +70 °C, relative humidity<80%
Functional description
1) Communication
- send a data request;
- Receive data;
- Modbus analyzes data;
2) Interaction et stockage des données
- The thread’s synchronization loop requests data;
- The timer updates the data regularly;
3) Data display and settings
- Master-slave control status, electrical operation, contactor, etc.;
- Temperature, current, voltage and other information;
- Record waveform changes;
- Manually set the number of slave controllers and select the protocol mode;
4) System settings
- light setting;
- Digital clock;
- screen calibration;
- software reset;
5) Alarm function
- Display of main control and communication control abnormal alarm;
- Slave controller offline alarm;
- Battery group overvoltage, undervoltage, overcurrent, insulation alarm;
- Battery SOC Warning;
- Single battery temperature is too high, alarm too low;
6) Fonction de mise à niveau 485 à distance
- remote upgrade;
