13
5
Electrical Connection
5.1
Safety Instructions
Incorrect wiring will cause device damage or even personal injury.
All cables must be intact, well insulated, appropriately dimensioned, and firmly
connected.
5.2
Port Description
IItte
em
m
R
Re
em
ma
arrkk
N
Na
am
me
e
D
De
essc
crriip
pttiio
on
n
A
ETH1、
ETH2
Ethernet port
Read sub-device information and control the
operation of battery system and air-
conditioning system
B
DIN
Digital input
Digital input, reserved
C
USB-HOST
USB port
Software upgrade port
D
SD
SD card port
Reserved function
E
Debug
Debugging
port
Used to debug the device
F
RST
Reset port
Used for hardware reset of the device
G
DO1~DO4
Digital output
Relay output ports (relay specification:
250Vac/3A or 30Vdc/3A)
H
PT1、PT2、
AI1~AI4
Analog input
Reserved function
