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NOTE
: For multi-strings operation, please firstly make sure the communication cables between
multiple BMSs are properly connected between Link 1 and Link 0, prior to the startup
process.
CAN Communication Terminal: (RJ45 port) follows CAN protocol, for communication
between battery system and inverter.
RS485 Communication Terminal: (RJ45 port) follows MODBUS 485 protocol, for
communication between battery system and inverter.
Definitions of RJ45 Port PIN
No.
CAN
1
2
GND
3
4
CANH
5
CANL
6
7
8
Pin 1~10 Assignment Table:
1
2
-
+
E-Stop
E-STOP: Emergency stop feature is default inactivated. If you need to use such function,
please contact Pylontech service team.
IN+/IN-: PIN6/PIN7 terminals are used for SMA inverter Enable Line feature, for more details
please check with Pylontech service team.
RS485
---
---
---
---
---
---
---
---
---
---
RS485A
---
RS485B
3
4
5
GND
H
L
CAN
6
7
IN+
IN-
TX
For SMA
20
8
9
10
RX
GND
RS232
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