Sofarsolar SOFAR 7KTLM-G3 - Com Port Connection

SOFAR 7K~10.5KTLM-G3 User manual
Copyright © Shenzhen SOFAR SOLAR Co., Ltd
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4.5. Com port connection
The com port location of the SOFAR 7K~10.5KTLM-G3 is shown in the figure
below.
Figure 4-11 COM port appearance
Table 4-3 Com port pin definitions (The terminal type is either of the following)
COM
PIN
Definition
Function
Note
1
485_TX+
RS485 differential
signal +
Wired monitoring
or inverter cascade
monitoring
2
485_TX+
RS485 differential
signal +
3
485_TX-
RS485 differential
signal –
4
485_TX-
RS485 differential
signal –
5
RS485-A
RS485 differential
signal +
Meter
communication
6
RS485-B
RS485 differential
signal –
7
GND
DRMS port logical
IO
The logic interface
pin definitions and
circuit connections
are so follows:
Logic interface pin
are defined
8
DRM0
9
DRM1/5
10
DRM2/6