Sungrow Logger1000B User Manual page 32

5 Electrical Connection
5.3.1.2 RJ45 port connection
Communication cable specification:
Cable
RJ45 communication cable
step 1 Lead the RJ45 communication cable from the inverter to the wiring area of Logger1000.
step 2 Strip the insulation layer of the communication cable with an Ethernet wire stripper, and lead
the corresponding RS485A/B signal cables out. Insert cord end terminals into signal cable
RS485+ A and signal cable RS485- B, and crimp them with a crimper. Cut off the redundant
signal cable and warp it with a heat-shrink tubing.
If the communication cable is Shielded Ethernet cable, white-green wire 3 is defined as
RS485- B wire and the green wire 6 as RS485+ A wire.
step 3 Connect the communication cable to the RS485 ports of the Logger1000, as shown in the
figure below.
step 4 Connect the Logger1000 to the inverter.
- - End
22
Type
Shielded twisted pair Ethernet cable
User Manual