Sofarsolar HYD 15KTL-3PH - Page 58

ELECTRICAL CONNECTIONS
58 HYD 5K...20KTL-3PH
5.9.1 Multifunctional Communication Port
Please refer to the following table for the specific PIN assignments.
Function
Pin
Definition
Note
Inverter monitoring and system
control
1
RS485 A1-1
RS485 Signal+
2
RS485 A1-2
RS485 Signal +
3
RS485 B1-1
RS485 Signal -
4
RS485 B1-2
RS485 Signal -
Energy meter port
5
RS485 A2
RS485 Signal +
6
RS485 B2
RS485 Signal -
Communication with battery
management system
(automatically identifying CAN
or RS485 bus)
7
CAN0_H
CAN high data
8
CAN0_L
CAN low data
9
GND.S
BMS communication GND
10
485TX0+
RS485 Signal +
11
485TX0-
RS485 Signal -
Temperature measurement for
batteries without BMS (for
example lead acid)
12
GND.S
Signal GND
13
BAT-Temp
Battery temperature
sampling
Dry contact for electrical
switching
14
DCT1
Dry Contact 1
15
DCT2
Dry Contact 2
12 V power supply
16
VCC
Communication VCC
Please follow the steps below to connect the communication cable.