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Identification: MD-AL-GI-00
Rev. 1.0 of 21/07/2021 - Application: GID
User’s Manual 1PH 3000TLM-6000TLM-V3
Rev. 1.0 21/07/2021
4.5.
Connecting the communication cables
The 1PH 3000TLM-6000TLM-V3 inverters have two communication interfaces, the RS485 interface and Wi-
Fi interface, as shown in the figure below.
Figure 23 – Bottom view of the 1PH 3000TLM-6000TLM-V3 inverter
Connecting the RS485 communication cables
PIN
Definition
Function
Note
1
485 TX+
RS485 differential
Wired monitoring or
inverter
cascade
monitoring
2
RS485-B
RS485 differential
Meter communication
3
485 TX-
RS485 differential signal –
Wired monitoring or inverter
cascade monitoring
4
RS485-A
RS485 differential signal –
Meter communication
5
CT+
The current sensor outputs a
positive electrode
Used to connect current
sensor of power grid
6
CT-
The current sensor outputs a
negative electrode
7-10
NC
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