70 Electrical installation
Inverter to inverter link, terminal X3 (I2I)
Pin Name Description
X3:1 Data + Inverter RS-485 transmit data
X3:2 Data - Inverter RS-485 receive data
X3:3 GND_A Functional ground, isolated
Inverter 1
1(+)
2(-)
3
X3
Inverter 2
1(+)
2(-)
3
X3
Inverter 3
1(+)
2(-)
3
X3
PE
N
L
PE
N
L
PE
N
L
PE
N
L
PE
N
L
PE
N
L
Grounded nut insert