Huawei SmartLi 2.0 User Manual page 32

SmartLi 2.0
User Manual
Port
Northbound
communications
port
DB26
DO_1
DO_2
EPO
Figure 2-10 COM pins
Table 2-5 COM pin definition
Pin
1
2
3
4
5
6
Issue 09 (2022-01-30)
Silkscreen
COM
MDU
DO_1
DO_2
NO
12V
NC
12V
Description
RS485+
RS485-
-
RS485+
RS485-
GND
Copyright © Huawei Technologies Co., Ltd.
Description
Connects to an UPS.
Supports FE, RS485, I2C, CAN, and
other signals.
Output dry contact 1 function setting
for the lithium battery cabinet
Output dry contact 2 function setting
for the lithium battery cabinet
If the normally open (NO) 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 Overview
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