1
Battery-Box Premium LV BMU Instruction Manual
V 1.1
VALIDITY
This document is valid for the Battery-Box Premium LV BMU (Battery Management Unit) (“
BMU
”)
from firmware version 1.0.
INTENDED USE
BMU is applicable for the BYD Battery-Box Premium LV system(s) (LVS 3.8, LVS 7.7, LVS 11.5, LVS
15.4, LVS 19.2, LVS 23.0 and LVL 15.4) (
“Battery-Box”
), and works as a control unit for the
system(s).
PRODUCT DESCRIPTION
BMU is equipped with a WLAN interface as a standard. Special tools BYD developed could
communicate with BMU through it.
The WLAN name and code are on the label of BMU.
Assignment of Port B
No.
Assignment
1
485-A
2
485-B
3
Unused
4
CAN H
5
CAN L
6
Unused
7
Unused
8
Unused
A
B
C
D
A:
RJ45 port for connection with
Battery-Box
B:
RJ45 port for connection with an
inverter
C:
Ethernet port
D:
Stop button and status LED
