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LED status
Load status LED（Red）
ON： Load on
OFF：Load off
Charge status（green）
ON： Charging
OFF：no charging
fasht flash：Charging at constant voltage
slow flash： Floating charging
Error code
When the following error occurs in the controller, the E01-E08 error code is displayed, and the buzzer alarms synchronously,
and the alarm continues until the error is corrected. Press K4 to exit the wrong generation interface, return to the main interface
and turn off the buzzer. Start timing. If the error persists after 10s, the alarm will continue.
Error code
E01
E02
E03
E04
E05
E06
E07
E08
RS4 85 Communication
Through the standard RS485 communication protocol, the controller
can send the operating parameters of the controller to the the terminal
equipment, the terminal equipment can also send instructions to modify
the working parameters of a part of the controller.
Communication protocol continuous sales staff
Parameters that can be read by terminal equipment
A1
A2
A3
A4
A5
A6
A7
A8-A9
A10
A11
A12
A13
A14
load status(red)
charge status (green)
Buzzer
Ring every 3 seconds for one minute
Ring every 0.5 seconds for one minute
The buzzer rings once a second,
and the sun icon blinks.
rings once in 0.5 seconds,
and the full battery icon flashes
rings once in 0.5 seconds,
and the full battery icon flashes
rings once every 3 seconds, and the empty
battery icon flashes.
- -
- -
battery type
charge current
PV1 voltage
PV2 voltage
PV power
total charge capacity AH
Daily charging capacityWH
Total capacity WH
PV status
charge status
battery status
Controller temperature
Load status
Error reason
system voltage error
Over-temperature turn-off charging
Solar panel overvoltage off charging
Battery overvoltage turn off load
Battery overvoltage turn off charging
Battery low voltage shut-off load
- -
- -
The parameters that can be modified by the terminal
device are as follows
1
set load work mode
2
set battery type
3
set battery voltage
4
set night detection voltage
5
set communication address
6
Restore factory settings
7
The charging capacity is clear
8
Charging on and off
9
Get battery charging parameters
1 0
Modify battery charging parameters
RJ45 Pin definition
PIN
Definition
1
2
3
4
5
6
7
8
12V
1 2 3 4 5 6 7 8
RXD
TXD
GND
B
GND
A
NC
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