Sungrow SG30CX User Manual page 8

4.6 Installing the Inverter .................................................................................. 23
5 Electrical Connection
5.1 Safety Instructions...................................................................................... 25
5.2 Terminal Description................................................................................... 25
5.3 Electrical Connection Overview .................................................................. 26
5.4 Crimp OT/DT terminal................................................................................. 28
5.5 Additional Grounding Connection ............................................................... 29
5.5.1 Additional Grounding Requirements.................................................. 29
5.5.2 Connection Procedure ...................................................................... 30
5.6 AC Cable Connection ................................................................................. 30
5.6.1 AC Side Requirements ...................................................................... 30
5.6.2 Requirements for OT/DT Terminal ..................................................... 32
5.6.3 Connection Procedure ...................................................................... 32
5.7 DC Cable Connection ................................................................................. 34
5.7.1 PV Input Configuration ...................................................................... 35
5.7.2 Assembling the PV Connectors ......................................................... 36
5.7.3 Installing the PV Connector ............................................................... 37
5.8 Communication Junction Box ..................................................................... 39
5.9 Communication Wiring Board..................................................................... 40
5.10 RS485 Connection ................................................................................... 40
5.10.1 Interface Description ...................................................................... 40
5.10.2 RS485 Communication System ...................................................... 41
5.10.3 Connection Procedure(Terminal Block) ........................................... 43
5.10.4 Connection Procedure (RJ45 Ethernet Port).................................... 44
5.11 Dry Contact Connection ........................................................................... 46
5.11.1 Dry Contact Function ...................................................................... 46
5.11.2 Wiring Procedure............................................................................ 48
5.12 DRM Connection（For Countries "AU" and "NZ"） ........................... 48
5.12.1 DRM Function ................................................................................ 48
5.12.2 Connection Procedure .................................................................... 49
5.13 Communication Module Connection (optional) ......................................... 51
6 Commissioning
6.1 Inspection before Commissioning............................................................... 52
6.2 Commissioning Procedure ......................................................................... 52
7 iSolarCloud App
7.1 Brief Introduction........................................................................................ 53
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