Huawei UPS2000-G-6KRTLL - Battery Module

Table 2-4 RS485 port pin denitions
Pin Signal Meaning Description
1–3 NC Reserved Northbound port, two-wire
RS485 communication
Support the baud rate of 9600
bit/s.
There is no parity check and end
bit for the communications
address, which can be set under
item #18. For details, see
UPS2000-G-(1–6K)RTLL Modbus
Background Communications
Protocol Development Guide
.
4 A Data+
5 B Data–
6 NC Reserved
7 NC Reserved
8 GND Signal
ground
Table 2-5 BMS port pin denitions
Pin Signal Meaning Description
1 A Data+ The UPS communicates with the
lithium battery over a standard
network cable.
Support the baud rate of 9600
bit/s.
2 B Data–
3 NC Reserved
4 A Data+
5 B Data–
6 NC Reserved
7 NC Reserved
8 GND Signal
ground
2.5 Battery Module
The UPS uses 48 V lithium battery modules to provide backup power. Only the
ESM-48100B1 and ESM-48150B1 are applicable to the 6 kVA UPS. The 100 Ah and
150 Ah ESMs have the same panels and ports but
dierent dimensions.
UPS2000-G-6KRTLL
User Manual 2 System Composition
Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd. 16