Chapter 7: Setting Up Communication
SolarEdge Installation Guide – MAN-01-00002-1.7
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3
Pull out the 9-pin RS485/RS232 terminal block connector, as shown below:
Figure 34: The RS485/RS232 Block Terminal
4
Loosen the screws of pins
B
,
A
and
G
on the left of the RS-485 block terminal.
Figure 35: RS485/RS232 Block Terminal
5
Insert the wire ends into the
G
,
A
and
B
pins shown above. Use Four- or six-wire twisted pair cable
for this connection. You can use any color wire for each of the
A, B
and
G
connections, as long as the
same color wire is used for all A pins, the same color for all B pins and the same color for all G pins.
6
Connect all B, A and G pins in all inverters. The following figure shows this connection schema:
Figure 36: Connecting the Inverters in a Chain
NOTE:
Do not cross-connect
B
,
A
and
G
wires. Do not insert wires into RS485-2 pins.
G
A
B
RS485-2 (not in use)
