Sungrow SG33CX User Manual page 57

User Manual
Outer diameter
D(mm)
4.5~6
6~12
13~18
Strip the protection layer and insulation layer by appropriate length.
Step 3
Secure the cable to the terminal base.
Step 4
Insert the terminal base into the corresponding terminal.
Step 5
Tab. 5-3 Terminal definition
No. Definition
1 RS485 A IN, RS485A differential signal+
2 RS485 A OUT, RS485A communication signal+
3 RS485 B IN, RS485B differential signal-
4 RS485 B OUT, RS485B communication signal-
If other wiring operations need to be performed on the communication
Step 6
board, finish the wiring operations before performing the following steps.
If otherwise, continue to perform the following steps.
Install the junction box, see 5.7.2 Install the Junction Box.
Step 7
a b
c
1
Seal
c
a+b
b
1
3
2 4
2
7 mm
20 mm
M2
0.2 N.m
5 Electrical Connection
47