User Guide

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 above.
2. Open Communication Gland and insert the cable through one of the openings.
3.
Remove the connector, as shown below.
Figure 4: RS485 connector on the communication board
4.
Loosen the screws of pins A(+), B(-), and G on the left of the RS485 connector
(RS485-1 ).
Figure 5: RS485 connector
5.
Insert the wire ends into the B, A and G opening on the connector.
You can use any color wire for each of the B, A 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
The wire for G is not from the same twisted pair as A or B.
Chapter 2: Setting Up Communication with the Monitoring Platform 12
Communication Board for Inverters with SetApp Configuration