Sofarsolar SOFAR 3KTLM-G3 - Page 55

ELECTRICAL CONNECTIONS
SOFAR 3 ... 6KTLM-G3 55
Function
Pin
Definition
Note
Inverter monitoring
1
485_TX+
RS485 differential signal +
2
485_TX+
RS485 differential signal +
3
485_TX-
RS485 differential signal -
4
485_TX-
RS485 differential signal -
Energy meter communication
5
RS485-A
RS485 signal +
6
RS485-B
RS485 signal -
Logic interface pin definitions
7
GND.S
DRMS port logical IO
8
DRM0
9
DRM1/5
10
DRM2/6
11
DRM3/7
12
DRM4/8
13
GND.S
Communication ground
14
N/A
N/A
CT connection
15
CT+
CT positive connection
16
CT-
CT negative connection
The pin definitions of the logic interface and the switching
connections are shown below.
The function of the logic interface must be set on the LCD display.
Logic interface pins are defined in accordance with various standard
specifications.
Logic interface for AS/NZS 4777.2:2020
also known as Inverter Demand Response Modes (DRMs)