Pylontech M1C-UL9540 User Manual page 34

Dry Contact Terminals
Provides 2 input and 4 output dry contact signal.
Reset
Reset Button: Long press this button to restart the battery system.
ADD
ADD: 6-bit dial switches to manually distribute the communication address of the battery system. Down
position is OFF, means "0". Upper position is ON, means "1". 1st bit to 5th bits are for address, and the 6th
bit dial switch supports a 120Ω resistance.
CAN / RS485
CAN Communication Terminal: (RJ45 port) follows CAN protocol, for communication
between battery system and inverter.
RS485 Communication Terminal: (RJ45 port) follows Modbus RTU/TCP/IP protocol, for
communication between battery system and inverter.
RS232 Terminal
Console Communication Terminal: (RJ45 port) follows RS232 protocol, for manufacturer or
professional engineer to debug or service.
LAN Terminal
Console Communication Terminal: (RJ45 port) follows Modbus protocol, used for communication
between MBMS, switches or upper controller.
Link Port
Link Port Communication Terminal: (RJ45 port) follows RS485 protocol, for communication
between multiple serial battery modules and the control module.
Definitions of RJ45 Port Pin
No.
1
2
3
4
5
6
7
8
CAN RS485
--- ---
GND ---
--- ---
CANH ---
CANL ---
--- GND
--- RS485A
--- RS485B
RS232
---
---
TX
---
---
RX
---
GND
30