Sungrow SG30CX User manual

TD_202005_Logger1000_Quick Guide for SG30-50-110CX Inverters_V1.3 Page 1 of 16

As we continuously improving our products, changes to this document may occur without notice.

Connection and Commissioning Quick Guide for

SG30/50/110CX Inverters

Disclaimer

The material in this document has been prepared by Sungrow Australia Group Pty. Ltd. ABN 76

168 258 679 and is intended as a guideline to assist solar installers for troubleshooting. It is not a

statement or advice on any of the Electrical or Solar Industry standards or guidelines. Please

observe all OH&S regulations when working on Sungrow equipment.

Applicability: SG30CX, SG50CX and SG110CX; DTSD1352.

Notes:

This quick guide is to be read in conjunction with the Sungrow’s User Manuals and

SG30/50/110CX inverters as example for demonstration.

When more than one inverter is installed, all the commissioning is done via the

Logger1000.

All of the components are connected via daisy-chain RS485 as per standard RS485

topology.

For export control and load consumption, an energy meter needed 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).

TD_202005_Logger1000_Quick Guide for SG30-50-110CX Inverters_V1.3 Page 2 of 16

As we continuously improving our products, changes to this document may occur without notice.

Overview

Schematic layout of equipment to the logger1000.

Note: 120 Ohm termination resistors are integral to the Sungrow range of inverters and the

last item in the chain should be terminated with a 120 Ohm resistor (6 supplied).

TD_202005_Logger1000_Quick Guide for SG30-50-110CX Inverters_V1.3 Page 3 of 16

As we continuously improving our products, changes to this document may occur without notice.

RS485 Topology

The RS485 can be connected either by direct cable connection or RJ45 plugs.

Please note SG15/20KTL-MT inverters connection is different as SG30/50/110CX inverters.

Ensure the termination resistors are enabled at each end of the RS485 in the inverter

line.

TD_202005_Logger1000_Quick Guide for SG30-50-110CX Inverters_V1.3 Page 4 of 16

As we continuously improving our products, changes to this document may occur without notice.

Energy Meter Connection

The site electrician will need to calculate the CT ratio required as per the installation.

The CT ratios can be set by accessing the DTSD1352 energy meter menu. Please

refer Meter Selection Guide for reference.

Default Modbus address is 1 and the secondary current of CT should be 5A.

The corresponding pinouts to RJ45 are Pin 3 (White-green) to RS485- B and Pin 6

(Green) to RS485+ A:

Terminal 21 to Green cable (RS485+ A) and terminal 22 to White-green cable

(RS485- B) on the DTSD1352 energy meter side. The following figures shows the

meter cable connection on the eneryg meter side.

Connect to Logger1000 via the RS485 cable from the energy meter on RS485 port

A2 and B2.

TD_202005_Logger1000_Quick Guide for SG30-50-110CX Inverters_V1.3 Page 5 of 16

As we continuously improving our products, changes to this document may occur without notice.

TD_202005_Logger1000_Quick Guide for SG30-50-110CX Inverters_V1.3 Page 6 of 16

As we continuously improving our products, changes to this document may occur without notice.

Inverter connection to Logger1000

Connect the RS485 comms from the inverter(s) via A1/B1 and the energy meter via

A2/B2 to the Logger1000.

On the logger1000 side, A1 and B1 are terminals to connect with the inverter which

display as com1 on the Logger1000 web portal; A2 and B2 are the terminals to

connect with the energy meter, they are shown as com2 on the portal.

On the inverter SG30/50/110CX side, the RS485 cable should be plugged into the

terminal shown in the following figure which highlighted in red circle.

TD_202005_Logger1000_Quick Guide for SG30-50-110CX Inverters_V1.3 Page 7 of 16

As we continuously improving our products, changes to this document may occur without notice.

TD_202005_Logger1000_Quick Guide for SG30-50-110CX Inverters_V1.3 Page 8 of 16

As we continuously improving our products, changes to this document may occur without notice.

Logger1000 Commissioning via WLAN

Access Logger1000 web portal

Use a smart device or laptop under Wi-Fi function to search for the SG********** (10

digits number) network that corresponds to the Logger1000 serial number.

Open a web browser and enter IP address (11.11.11.1) to access below Logger1000

web page.

TD_202005_Logger1000_Quick Guide for SG30-50-110CX Inverters_V1.3 Page 9 of 16

As we continuously improving our products, changes to this document may occur without notice.

Then you can log in the account (please contact Sungrow for password) via the right

top corner login button. When you log in for the first time, a help window will pop up

for instruction.

Overview of main menu

TD_202005_Logger1000_Quick Guide for SG30-50-110CX Inverters_V1.3 Page 10 of 16

As we continuously improving our products, changes to this document may occur without notice.

Set date and time

Select Clock Source to ‘NTP’ and Time Zone to ‘UTC+10:00’and make sure to Save

Device list

Navigate to ‘Device’ section and click ‘Auto search’; the connecting devices will be

display under ‘Device List’ section if connection is correct. Sungrow’s inverters will be

automatically detected as long as they are correctly connected and energised.

Meanwhile, you can confirm the communication status for each device under

Communication status section. Green icon indicates the connection works and red

icon means no connection between Logger1000 and other device.

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