Sofar solar 80KTL - COM-Multi function communication port

80-136KTL User manual
Copyright © Shenzhen SOFARSOLAR Co., Ltd
- 41 -
5.6.2 COM—Multi function communication port
Figure 5-3 Recommend com cable size
Name
Type
Outer
diameter(mm)
Area(mm²)
RS485
Communication
Wire
Outdoor shielded
twisted pair meets local
standards
3core：4~8
0.25~1
Port Description
：
PIN
Define
Function
Note
1
RS485A
RS485 signal+
Wire connection
monitoring or multiple
inverter monitoring
2
RS485A
RS485 signal+
3
RS485B
RS485 signal-
4
RS485B
RS485 signal-
5
Electric meter
RS485A
Electric meter RS485
signal+
Wire connection Electric
meter
6
Electric meter
RS485B
Electric meter RS485
signal-
7
GND.S
RS485 signal ground
8
DRM0
Remote shunt down
DRMS port
9
DRM1/5
10
DRM2/6
11
DRM3/7
12
DRM4/8
13
GND.S
Communication
Ground
14-16
Blank PIN
N/A
N/A