Huawei SmartLi 2.0 User Manual page 25

SmartLi 2.0
User Manual
Table 2-5 Port description
No.
1
2
3
4
5
6
7
8
9
In a parallel lithium battery system, activating the EPO signal of a single lithium
battery cabinet triggers only emergency power-off of the lithium battery cabinet,
which does not affect normal charge and discharge of other lithium battery
cabinets in the system.
Issue 10 (2022-04-30)
Silk Screen
PARALLEL1
PARALLEL2
RS485
FE
COM
MDU
DO_1
DO_2
EPO NO
12V
NC
12V
NO TICE
Copyright © Huawei Technologies Co., Ltd.
Port Name Description
Parallel port Inter-cabinet parallel signal port 1
Parallel port Inter-cabinet parallel signal port 2
Northbound Connects to a third-party network
communicati management device over two wires.
ons port
Network port Connects to a northbound network
management device or the customer's
web service.
Northbound Connects to an UPS.
communicati
ons port
DB26 Connects to the MUS05A (DB26) port
on the MDU for power supply and
communication.
Output dry Output dry contact 1 function setting
contact for the lithium battery cabinet
Output dry Output dry contact 2 function setting
contact for the lithium battery cabinet
EPO port If the normally open (NO) signal port
is connected to the EPO_12V port,
emergency power-off (EPO) is
triggered.
If the normally closed (NC) port is
disconnected from the EPO_12V port,
EPO is triggered.
2 Product Overview
18