Sungrow SG3KTL-EC User Manual page 56

5 Electrical Connection
Fig. 5-9 Connecting the ripple control receiver for inverters with Ethernet connections
In the Ethernet communication connection, only one inverter can be
set as master inverter, others shall be set as slave inverters.
Item Description
1 Master inverter
2 Slave inverter
3 Ethernet cable
4 Router
5 5-conductor connection at digital input
6 Ripple control receiver
7 Grid
Connect the cables to DI terminal block according to the terminal assignment.
Make sure that all DC or AC cables connected to the inverter are not live
before the electrical work.
1. Remove the waterproof lid from DI cable gland and loosen the Thread-Lock
Sealing Nut.
2. Loosen all screws on the top cap and remove the top cap of the inverter, then
loosen all screws on the lid and remove the lid.
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User Manual