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1. Meter communication connection
An electric energy meter is connected between the AC breaker and the inverter
(connection diagram shown in the next section), in which the communication
connection between the energy meter and the inverter is shown as below:
Figure 4.5-2 Meter Communication
Attn
：
when the ammeter is connected correctly, the LCD screen will have
corresponding hints when it is in normal communication, as shown in section 5.2.
For ammeter communication settings, please refer to the instruction manual of
ammeter
2. USB connection
When the LCD program is upgraded, the USB data line (U disk) is inserted into
the USB port directly. If need more detail please turn to the LCD panel operation
instructions.
3.
BMS communication connection
If the lithium ion battery unit is configured for the energy storage system, the
inverter needs to be with the battery management system (BMS). Communication.
The inverter terminal communication interface is shown in figure 4.4-1.
The communication connection between the inverter and the lithium battery BMS
is shown in figure 4.4-3 .
