Installation Guide

Communication Board
The communication board is in the Primary Unit with an extension in the Connection
Unit.
Primary Unit Communication Board
Open the Primary Unit cover to access the communication board to:
GSM- connect a GSM modem. See Communication Options on page 69.
RS485-1 - connected to the Connection Unit communication board. For
connecting multiple inverters over the same bus, connect RS485 wires to the
terminal blocks on the Connection Unit Communication Board. For more
information see, Connection Unit Communication Board on page 72
RS485-2 - connect a non-SolarEdge device, such as a meter or a third party data
logger, to the RS485-2 connector. Every pair of in and out wires are connected
to the same pin.
Power Reduction Interface (PRI) -
Connect a power reduction device.
See application_note_power_control_configuration.pdf
Figure 32: Primary Unit communication board
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Chapter 6: Setting Up Communication 71
Three Phase Inverter with Synergy Technology Installation MAN-01-00401-1.5