ZGR SOLAR STR 250
Operation manual
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32
Fig. 4-42 Communication wiring board
4.5.1
Single-inverter communication system
In case of a single inverter, communication cable connection requires only one RS485 cable (Fig. 4-43).
Fig. 4-43 Single inverter communication cable connection
4.5.2
Multi-inverter communication system
In case of multiple inverters, all the inverters can be connected via RS485 cables in the daisy chain manner (Fig.
4-44).
Fig. 4-44 Multiple inverter communication cable connection
4.5.3
Connection procedure (terminal block)
RS485 communication cables should be shielded twisted pair cables Ethernet cables.
