Installation Guide

5.
Loosen the screws of pins A(+), B(-), and G in either the 'Out' or 'In' RS485 terminal
block.
Figure 41: RS485 terminal block wire connections
6.
Insert the wire ends into the G, A and B pins shown above. Use one terminal block
for the previous inverter in the bus and the other terminal block for the next inverter
in the bus, as shown in Figure 42 .
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
The wire for G is not from the same twisted pair as A or B.
7.
Connect all B, A and G pins in all inverters. The following figure shows this
connection schema:
Figure 42: Connecting the inverters on a bus
8. Tighten the terminal blocks screws.
9. Check that the wires are fully inserted and cannot be pulled out easily.
10. Push the RS485 terminal blocks firmly all the way into the connectors on the
communication board, see Figure 40 .
Chapter 6: Setting Up Communication 79
Three Phase Inverter with Synergy Technology Installation MAN-01-00401-1.5