with a Connection Unit, connect the grounding wire to the grounding bus-
bar in the Connection Unit.
NOTE
An RS485 surge protection plug-in is integrated into the RS485-1 terminal
block.
The following sections describe how to physically connect the RS485 bus and how to
configure the bus.
To connect the RS485 communication bus:
1. Remove the inverter cover as described in
Removing the Inverter Cover
on page 53.
2. Remove the seal from one of the openings in communication gland and insert the
wire through the opening.
3.
Pull out the 6-pin RS485 terminal block connector, as shown below.
Figure 24: RS485 terminal block on the communication board
4.
Loosen the screws of pins A(+), B(-), and G on the left of the RS485 terminal block
(RS485-1 ).
Figure 25: RS485 terminal block
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.
EV Charging Single Phase Inverter Guide MAN-01-00583-1.5
58 Creating an RS485 Bus Connection
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