Sungrow SG125HX, User Manual

Page: 55 / 103

45
5.10.3 Connection Procedure(Terminal Block)
RS485 communication cables should be shielded twisted pair cables or
shielded twisted pair Ethernet cables.
There are three communication terminals, and the silkscreen marks are
COM1/COM2/COM3. Please choose according to the actual situation.
step 1 Remove the communication junction box, see
"
Remove the Junction Box
"
.
step 2 Strip the protection layer and insulation layer by appropriate length.
step 3 Loosen the swivel nut of the junction box and select an appropriate seal according to
cable outer diameter. Lead the cable through the swivel nut, seal, and junction box
successively.
O Ou utte err D Diia am me ette err D D((m mm m))
S Se ea all
4.5~6
c
6~12 a+b
12~18 b
step 4 Secure the cable to the terminal base.
User Manual 5 Electrical Connection