06 Electrical Connection
User Manual V1.0-2023-10-30
47
No.
Function
Port Definition
Function Description
14
(Optional) Generator
control port (GEN)
DO+
• Support access to generator con-
trol signals.
• Do not connect the generator pow-
er cable to the inverter AC port.
15
DO-
16
(Optional) DRED or
RCR function connec-
tion port (DRED/RCR)
DRM0 or REF_1
• DRED (Demand Response En-
abling Device): The inverter meets
the Australian DERD certification
requirements and provides a
DRED signal control port.
• RCR Ripple Control Receiver: In
Germany and some European
areas, power grid companies use
Ripple Control Receiver to convert
power grid dispatch signals into
dry contact mode for transmission,
and power stations receive power
grid dispatch signals through dry
contact communication.
17
REFGEN or REF_2
18
DRM4/8 or DI_4
19
DRM3/7 or DI_3
20
DRM2/6 or DI_2
21
DRM1/5 or DI_1
22
(Optional) Meter con
-
nection port
RS485B
Use RS485 communication to con-
nect to an external smart meter.
23
RS485A
24
(Optional) Battery
enable communication
port (EN)
EN-
Output battery enable signal.
25
EN+
26
(Optional) Battery
RS485 communica-
tion port (BMS)
RS485B
Battery system RS485 signal commu-
nication port.
27
RS485A
28
(Optional) Parallel
system DIP switch
-
In parallel system with multiple
inverters, the DIP switch of the first
and last inverters need to be turned to
the ON position, and other inverters
need to be turned to the 1 position.