Sungrow SunBox PVS-8M, Руководство пользователя

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4 Installation Guide User Manual
26
Communication cable must be shielded twisted pair cable. Communication
unstable or communication failure may follow if otherwise.
Communication cable should be far away from the high voltage cable. Place
the communication cables and power cables in parallel or strap them
together is strictly forbidden. Communication interface or device damage if
otherwise. If not prevented, lead the communication cable through
galvanized tube for shielding.
Communication solution
The communication method of PVS is shown below:
Fig. 4-7 Communication system connection

Connect A1 and B1 of first combiner box to A1 and B1 of data collector;

Connect A2 and B2 of first combiner box to A1 and B1 of second combiner box;

Connect A2 and B2 of second combiner box to A1 and B1 of third combiner box;

And so forth: connect A2 and B2 of previous combiner box to A1 and B1 of next
combiner box