Huawei SmartLi 2.0 User Manual page 31

SmartLi 2.0
User Manual
Port
Northbound
communicati
ons port
DB26
DO_1
DO_2
EPO
Figure 2-12 COM pins
Table 2-5 COM pin definition
Pin
1
2
3
4
5
6
7
Issue 03 (2020-08-07)
Silkscreen Description
COM Connects to an UPS.
MDU Supports FE, RS485, I2C, CAN, and other signals.
DO_1 Output dry contact 1 function setting for the
lithium battery cabinet
DO_2 Output dry contact 2 function setting for the
lithium battery cabinet
NO If the normally open (NO) port is connected to
the EPO_12V port, emergency power-off (EPO) is
12V
triggered.
NC If the normally closed (NC) port is disconnected
from the EPO_12V port, EPO is triggered.
12V
Description
RS485+
RS485-
-
RS485+
RS485-
GND
CANH0
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