SolarEdge SE K-AU I Series Quick Installation Manual page 15

Step
7
Creating RS485 Bus Connection
1 2 3 4
1
2 3
Master Slaves (up to 31 inverters)
RS485-1 RS485-1 RS485-1 RS485-1
B A G B A G B A G B A G
< 1km /3300 ft.
Min. 3-wire shielded twisted pair (a 4-wire cable may be used). Wire cross-section: 0.2-1 mm²
14
MAN-01-00695-1.1