151
Appendix
15.5.4 System Wiring Procedure
With X3-PBOX device
• Power cable wiring procedure:
a. User five-core copper cable (for grid connection) and four-core copper cable (for
EPS (off-grid) connection) to connect Master-Slave inverter and Master-X3-PBOX
device.
b. Grid connection terminal of Master, Slave inverter and X3-PBOX device: L1
connects to L1, L2 connects to L2, L3 connects to L3 and N connects to N.
c. EPS (off-grid) connection terminal of Master, Slave inverter and X3-PBOX device:
L1 connects to L1, L2 connects to L2, L3 connects to L3 and N connects to N.
d. All PE cable connects to the E-BAR nearby.
Master
L1
Slave10
Slave 9Slave 1
L2 L3 N PE
L1 L2 L3 N PE
L1 L2 L3 N PE
L1 L2 L3 N PE
L1 L2 L3 N PE
L1 L2 L3 N PE
L1 L2 L3 N PE
L1 L2 L3 N PE
Figure 15-15 Power cable wiring with X3-PBOX device
• Communication cable wiring procedure :
a. Use standard network cables for Master-Slave inverter and Master-X3-PBOX
device.
b. Master inverter CAN 1 connects to the COM terminal of X3-PBOX device.
c. Master inverter CAN 2 connects to Slave 1 inverter CAN 1.
d. Slave 1 CAN 2 connects to Slave 2 CAN 1; other inverters are connected in such
way.
e. Meter connects to Meter/CT terminal of the Master inverter. Please refer to "8.6.3
Meter/CT Connection".
To Next Page
Loading...
