Sungrow SG125HX, Руководство пользователя

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The RS485-1 crimp and the RJ45 interface can be applied to applications where
multiple inverters communicate in a daisy-chain form.
A 120Ω resistor can be connected in parallel between RS485-1 A/B pins by configuring
the dip switch.
RS485-1 crimp interface and RJ45 interface serve as the same function with
different wiring manner.
5.10.2 RS485 Communication System
SG Modbus can be adopted.
S Siin ng glle e--iin nvve errtte err C Co om mm mu un niic ca attiio on n S Syysstte em m
In case of a single inverter, communication cable connection requires only one RS485
cable.
ffiig gu urre e 5 5--5 5 Single-inverter Connection
M Mu ullttii--iin nvve errtte err C Co om mm mu un niic ca attiio on n S Syysstte em m
In case of multiple inverters, all the inverters can be connected via RS485 cables in the
daisy chain manner.
User Manual 5 Electrical Connection