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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.
A
B
Assignment of Port B
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
C
D
No.
Assignment
1
485-A
2
485-B
3
Unused
4
CAN H
5
CAN L
6
Unused
7
Unused
8
Unused
1
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Summary of Contents for BYD Battery-Box Premium LV BMU
- Page 1 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).
- Page 2 SCOPE OF DELIVERY 1×BMU 1×Instruction Manual TECHNICAL DATA Communication Ethernet/CAN/RS 485 Input voltage* 40-60 V Input current 200 mA Weight 1 kg Dimensions (L×W×H) 250 mm×122 mm×50 mm Ambient temperature in operation -10°C to 50°C Relative humidity (non-condensing) 5% to 85% Degree of protection (in accordance with IEC 60529) IP21...
- Page 3 LED STATUS Flashing BMU and white and Battery-Box are blue initiating. alternatively Glowing Idle (Battery-Box white is neither charging nor discharging). Flashing Battery-Box is white slowly charging. Flashing Battery-Box is white quickly discharging. Flashing Battery-Box is white and discharging, and glowing blue the SOC of Battery-Box is...
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