Communication; Connecting The Communication Cable - Goodwe ET Series User Manual

User Manual V1.1-2022-12-20

6.7 Communication

Make sure that the communication device is connected to the right COM port. Route the
communication cable far away from any interference source or power cable to prevent the
signal from being influenced.

6.7.1 Connecting the Communication Cable

Type I (18PIN Terminal Block)
PIN Definition
1 485_A1
2 485_B1
3 DRM 1/5 or DI_1
4 DRM 2/6 or DI_2
5 DRM 3/7 or DI_3
6 DRM 4/8 or DI_4
COM/DRM0 or
7
REF_1
8 REFGEN or REF_2
NOTICE
Function
RS485 or EMS
13/14
DRED* or RCR
15/16
39
06 Electrical Connection
PIN Definition
9 Remote Shutdown
10 GND-S
11 LG_EN+
12 LG_EN-
N/A
17 DO-
18 DO+
Function
Remote
Shutdown*
LG battery
enable signal
N/A
Load control
dry contact