Figure 9: The RS485 terminal block in the inverter
7. Loosen the screws of pins B, A and G on the left of the RS-485 terminal block.
Figure 10: RS485 terminal block
8. Insert the wire ends into the G, A and B pins shown above. 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.
9. Connect all B, A and G pins in all inverters. The following figure illustrates this
connection schema (the illustration applies to inverters):
Chapter 3: Connecting the Firefighter Gateway to the Installation
20
Firefighter Gateway Installation Guide MAN-01-00113-1.4