TD_202101_Logger1000_Quick Guide for 3-Phase PV Inverters (5-20kW)_V1.2 Page 3 of 16
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As we continuously improving our services, changes to this document may occur without notice.
1. Introduction
This quick guide is to be read in conjunction with the Sungrow’s User Manuals and 3-
phase KTL series inverters as example for demonstration.
When more than one inverter is installed, all the commissioning is done via a
Logger1000. All the components are connected via daisy-chain RS485 as per standard
RS485 topology.
For export control and load consumption, a 3-phase energy meter needs to be
connected. Default baud rate is 9600 of the energy meter and this can be changed if
necessary, by entering “System/Interface/RS485” in the Logger1000.
Shielded twisted pair with a minimum CSA of 0.75mm should be used, and the
maximum total length of the cable is 1,200m (120 Ohm resistor should be terminated).
Schematic layout of equipment to the logger1000 through RS485 wiring.
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