Plc Port - Sungrow Logger3000 User Manual

User Manual

7.6 PLC Port

Integrated with PLC master node, the Logger3000 can be connected to the inverter
integrated with PLC slave node and achieve PLC communication by using existing
power cable.
P P r r e e p p a a r r a a t t i i o o n n b b e e f f o o r r e e w w i i r r i i n n g g
Disconnect the transformer from the grid.
•
Disconnect the DC side of the inverter and make sure the system is in safe state.
•
W W i i r r i i n n g g m m e e t t h h o o d d
Connect one end of the supplied PLC power cable to any two phases of the micro
circuit breaker and the other end to the port "PLC（L1、L2）" of the Logger3000.
Isolation voltage of the PLC cable should be greater than 800V, recommended
cable specification: 1.5mm.
Add 800 insulation sleeve to the PLC cable.
PLC cable must be connected to an additional SPD. Otherwise, device damage
may occur.
7 Electrical Connection
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