Communication Board; Primary Unit Communication Board - SolarEdge SE50K Installation Manual

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 c over to access the communication board to:
GSM- connect a GSM modem. See Communication Options on page 53.
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RS485-1 - connected to the Connection Unit communication board. For connecting
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multiple inverters over the same bus, connect RS485 wires to the terminal blocks o n
the Connection Unit Communication Board. For more information see, Connection
Unit Communication Board on page 56
RS485-2 - connect a non-SolarEdge device, s uch as a meter or a third party data logger, to the RS485-2
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connector. Every pair of in and out wires are connected to the same pin.
Power Reduction Interface (PRI) - connect a
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control_configuration.pdf
Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0
power reduction device. See application_note_power_
Figure 26: Primary Unit communication board
Chapter 6: Setting Up Communication
55