62
Wiring the Inverter
6.5.1 rS485 Connection
The pin definition of RS485 is shown in Table 6.3
.
The wiring of multi-inverter connections is
shown in Figure 6.16.
PIn
FUnCTIOn
4
GND
7
DATA+
8
DATA-
Table 6.3.: Definition of RS485 pin
4 GND
7 DATA+
8 DATA-
Inverter #1*
Inverter #2
Inverter #N
Every inverter must have a different ID setting in the same chain.
Terminal Resistor:
120
Ω
(0.5W)
Data + to Data -
*Activate the Terminal Resistor by setting
the internal dip switch no. 2 to on. See Figure 6-17 for this procedure.
Figure 6.16.: Multi-inverter connection illustration