7 inch LCD screen ,to be connected with PCBA controller
7KW AC charge control main board
| Category |
Description |
Note |
| Core |
| CPU |
STM32H743ZIT6 |
High-performance and DSP with DP-FPU, ARM Cortex-M7 MCU @ 480MHz |
| FLASH / SRAM |
On chip |
2 Mbyte / 1 Mbyte |
| SD-NAND |
MKDV1GCL |
128 Mbyte |
| Communication |
| Ethernet |
RJ45 |
10/100 Mbps |
| Cellular |
EC25-EUX (mini-PCIE) |
Worldwide LTE, UMTS/HSPA(+) and GSM / GPRS / EDGE coverage |
| WIFI |
ESP32-WROOM |
2.4G band / IEEE 802.11b/g/n |
| Wi-SUN |
AT86RF215M (mini-PCIE) |
IPv6 Mesh / 868MHz band / Long-range |
| RFID |
PN512 |
13.56 MHz / ISO14443 / ISO15693 |
| USB |
Mass Storage Device (USB2.0 device) |
Micro-USB / Embedded web server pages / Diagnosis logs |
| Charge |
| Control Pilot |
2 ch |
IEC 61851-1 |
| RS485 |
2 ch |
Automatic adaptation meter modbus protocol / MID power meter |
| Locker |
2 ch |
Socket version charge station lock the charge cable |
| Contactor |
2 ch |
Drive alternating current contactor / detector PE ground loss / detector adhesion |
| Button |
2 ch |
User adjust charging current limit |
| NTC |
2 ch |
Optional connector NTC temperature probe |
| Emergency |
1 ch (support hardware open contactor driver relay) |
User emergency stop button |
| Display |
| LCD |
7 inch / 800*480 pixel |
Self-developed HMI products (LVGL inside / UI support customization) |
| LED |
RGB light bar (15 leds in parallel) |
Indicate charge point running status |
| Others |
| RTC |
On chip |
Farah capacitance for 30min power off RTC date time maintained |
| BEEP |
Tone |
Diagnosis and debugging tone |
| KEY |
K1 |
Buttons for debugging occasions |
| RCMU |
DC 6mA |
Optional on board RCMU leakage protection |
| Power |
[email protected] |
DC power input / board main power supply |
Terminal specifications:
| Category |
Description |
Note |
| DC_IN |
| 1 |
+12V |
Main power supply ([email protected]) |
| 2 |
GND |
Main power supply |
| Pilot1/2 |
| 1 |
PE |
Protected earth |
| 2 |
CP |
Control pilot |
| 3 |
PP/CC |
Proximity detected and current coding |
| RS485_1/2 |
| 1 |
A |
RS485 A the non-inverting signal |
| 2 |
B |
RS485 B the inverting signal |
| 3 |
PE |
Shield ground |
| Emergency |
| 1 |
+C |
Positive common terminal |
| 2 |
+NC |
Normally closed terminal |
| 3 |
-C |
Negative common terminal |
| 4 |
+NO |
Normally opened terminal |
| Contactor1/2 |
| 1 |
PEN |
Protected earth loss detected signal |
| 2 |
CTRL |
Alternating current contactor low level driver signal (12V relay) |
| 3 |
+12V |
Driver board power supply |
| 4 |
GND |
Driver board power supply |
| 5 |
ACDT |
Alternating current neutral and line enable detected signal |
| Lock1/2 |
| 1 |
GND |
GND |
| 2 |
DRV+ |
Locker motor drive power |
| 3 |
DRV- |
Locker motor drive power |
| 4 |
STATE |
Locker state signal |
| Light |
| 1 |
+5V |
Light board power supply |
| 2 |
LED0 |
LED0 drive signal |
| 3 |
LED1 |
LED1 drive signal |
| 4 |
LED2 |
LED2 drive signal |
| 5 |
LED3 |
LED3 drive signal |
| Key |
| 1 |
K1_1 |
Button1 line1 |
| 2 |
K1_2 |
Button1 line2 |
| 3 |
K2_1 |
Button2 line1 |
| 4 |
K2_2 |
Button2 line2 |
| NTC |
| 1 |
T1_1 |
Connector1 NTC probe line1 |
| 2 |
T1_2 |
Connector1 NTC probe line2 |
| 3 |
T2_1 |
Connector2 NTC probe line1 |
| 4 |
T2_2 |
Connector2 NTC probe line2 |
| RFID |
| 1 |
NSS |
RFID SPI chip select |
| 2 |
SCLK |
RFID SPI clock |
| 3 |
MOSI |
RFID SPI data input |
| 4 |
MISO |
RFID SPI data output |
| 5 |
IRQ |
RFID IRQ signal |
| 6 |
GND |
RFID power supply |
| 7 |
RST |
RFID reset signal |
| 8 |
+5V |
RFID power supply |
| LCD |
| 1 |
+12V |
HMI power supply |
| 2 |
+12V |
HMI power supply |
| 3 |
BUSY |
HMI busy state |
| 4 |
TXD |
HMI data output |
| 5 |
RXD |
HMI data input |
| 6 |
GND |
HMI power supply |
| 7 |
GND |
HMI power supply |
Audited Supplier 
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