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❶
❷
AC-IN / Utility input terminal
❸
AC output terminal
❹
Terminal covers
❺
Mounting holes (4 Total)
❻
Battery negative input terminal
❼
Battery positive input terminal
❽
PV input terminal (MC4)
External cover
❾
BMS-Link connection port(RJ45, without
isolation design)
① BMS-Link connection port（RJ45）
Function：
Through a BMS-Link converter, different lithium battery manufacturers' BMS protocols can be converted into our
company's standard BMS protocol. In addition, it realizes the communication between the inverter/charger and
the BMS.
RJ45 pin definition：
Pin
1
2
3
4
①
5VDC/200mA
Definition
+5VDC
+5VDC
RS485-B
RS485-B
❿
⓫
RTS interface
⓬
Dry contact interface
⓭
RBVS interface
Cable hole
⓮
RS485
interface(DB9
⓯
isolation design)
⓰
LCD
Power switch
⓱
Utility overcurrent protector
Pin
5
6
7
8
6
②
③
female,
with
5VDC/200mA
Definition
RS485-A
RS485-A
GND
GND
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