Sungrow SG80KTL User Manual

6 Electrical Connection User Manual
46
Data Logger
RS
485
Data Logger
RS485
RS485-232 converter
RS232
PC
RS232
PC
RS232
RS485
Shielding layer is grounded
120Ω
Inverter 1
RS485
I
N
OU
T
Inverter 2
Inverter n
Multiple inverters in daisy chain
120Ω
RS485
I
N
OU
T
RS485
I
N
OU
T
Inverter Communication connection
Terminating Resistor
n≤15 n>15
Inverter
1
Only out
No
120ohm
Yes
120ohm
Inverter
2~n-1
In and Out
No
120ohm
Inverter
n
In and Out
No
120ohm
Yes
120ohm
6.5.3 RS485 Communication Connection
RS485A/B Bus Connection
Step 1 Lead Network cable through communication cable gland to the
configuration circuit board.
Step 2 Strip off the insulation layer of the communication cable. Connect the A, B,
and GND of RS485 communication cable to corresponding terminals

Sungrow SG80KTL Specifications

General

Brand	Sungrow
Model	SG80KTL
Category	Inverter
Language	English