SEPLOS BMS Interface Definition

NO

Function definition

Function description

J1

Total battery negative B-

Use M5 screws to fasten (copper busbar is recommended), the negative terminal of the battery

J2

Output power line P-

Use M5 screws to fasten (copper busbars are recommended)

J3

Battery total positive B+

BMS power supply, fastened with M3 screws

J4

485 communication interface

External internal parallel connection and host computer communication interface (Note: 7PIN line)

J5

CAN/485 communication interface

External inverter communication interface (Note: 5PIN line)

J6

LED interface

External reset button and LED lights (capacity light, warning light, operation light)

J7

Battery cell low module acquisition interface

Black row shell, connected to the sampling harness of cells 1 to 8

J8

Battery cell high module acquisition interface

White housing, connected to the sampling harness of cells 9 to 16

J9

Display interface

The default power supply voltage of the display is 3.3V (the touch screen is powered by 12V)

J10

2-way dry contact interface

Control the active balancing board to start

J11

External switch interface

Self-locking weak current switch access port, power supply voltage 12V

J12

Release interface

The output voltage is equal to the total battery voltage

J13

Heating film interface

Heating film interface, maximum output power 200W

NO

Function definition

Function description

J12

LED indicator

Running light, warning light, capacity light

J13

Dial address

No function

J14

Power on/off

Press and hold for more than 3 seconds to turn on the device, and press and hold for more than 5 seconds to turn it off.

J15

CAN/485 communication interface

Inverter communication interface

J16

485 communication interface

Internal parallel and host computer communication interface