Sofar HYD 5KTL-3PH - Page 56

HYD 5/6/8/10/15/20KTL-3PH USER MANUAL
54
Table. 5-11 COM interfaces description
PIN
Definition
Function
Note
1
RS485A1-1
RS485differential
signal+
Wired monitoring or
inverter cascade
monitoring
2
RS485A1-2
RS485differential
signal+
3
RS485B1-1
RS485differential
signal–
4
RS485B1-2
RS485differential
signal–
5
RS485A2
RS485differential
signal+
Communicate with
electricity meters
6
RS485B2
RS485differential
signal-
7
CAN0_H
CAN high data
Used for
communication with
lithium battery BMS,
the inverter can
automatically
identify the battery
BMS communication
as CAN or RS485
communication
8
CAN0_L
CAN low data
9
GND.S
BMS
communication
GND
10
485TX0+
RS485differential
signal+
11
485TX0-
RS485differential
signal-
12
GND.S
Signal GND
Inner BMS battery
temperature
sampling
13
BAT_Temp
Battery
temperature
sampling
14
DCT1
Dry Contact1
Providing electrical
switching function
15
DCT2
Dry Contact2
16
VCC_12V
VCC_12V/0.5A
power supply Or
Multiplexing
function:Wet
contact
1.When the load
power exceeds 6W,
VCC_ 12V output
automatic protection
and off output
2.Providing electrical
switching function