Com Terminal Connection - Goodwe ET Series User Manual

User Manual V1.0-2021-06-15
ETR
ONLY

2.5.3 COM Terminal Connection

Follow the pin definition below to connect the
communication cables. Do not remove the
resistor or short circuit wire unless you are going
to use the corresponding PINs.
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
Function PIN
9
RS485
10
11
12
13/14
DRED or RCR
15/16
17
18
17
02 Installation Instructions
2
4
6
8
10
12
14
16
18
Definition
Remote Shutdown
GND-S
LG_EN+
LG_EN-
N/A
DO-
DO+
1
3
5
7
9
11
13
15
17
Function
Remote
Shutdown
LG Battery
Enabling
Signal
N/A
Dry Contact of
Load Control