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Sungrow SCU1100 User Manual

Sungrow SCU1100
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SCU1100Smart
Communication UnitUser
ManualSCU1100-UEN-Ver21-202302
User Manual
Smart Communication Unit
SCU1100
SCU1100-UEN-Ver21-202302
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Sungrow SCU1100 Specifications

General IconGeneral
BrandSungrow
ModelSCU1100
CategoryConference System
LanguageEnglish

Summary

About This Manual

1.1 Preface

Describes the SCU communication gateway, its functions, and usage for system understanding.

1.2 Target Group

Identifies the intended audience for this manual, including O&M personnel, system administrators, and technical engineers.

1.3 Manual Description

Explains that the manual uses SCU interfaces as examples and refers to technical agreements for specific functions.

1.4 Symbol Explanation

Defines symbols used in the manual, like 'NOTE' for additional information or tips.

1.5 Expression Explanation

Provides examples of how to interpret instructions for selecting menus and clicking buttons.

System Introduction

2.1 Brief Introduction

Defines SCU as a data collection and protocol conversion device for PV systems.

2.2 Main Features

Highlights SCU's capabilities: Smart/Flexible (RS485, CAN, remote maintenance), Simple/Efficient (Web interface), Safe/Reliable (Linux OS).

2.3 System Requirements

Specifies the required browser version (CHROME 32bits, version 66 or later) for system operation.

Introduction to Ports

3.1 Ethernet Port Wiring

Details Modbus-TCP and IEC104 forwarding configuration using CAT-5e cables for network connectivity.

3.2 RS485 Port Wiring

Explains RS485 connections to equipment, cable requirements (0.75-1.5mm² twisted pair), and wiring methods.

3.3 DI Input Dry Contact Wiring

Describes connecting dry contact input terminals (DI1-DI24) and 24V terminals for signal nodes.

3.4 DO Output Dry Contact Wiring

Details the 8-way output dry contact connection for signal nodes, specifying NC, NO, and COM ports.

3.5 PT100 Port Wiring

Explains connecting two PT100 ports for transformer oil and busbar temperature sampling using recommended cables.

3.6 Analog Port Wiring

Details the connection of two analog input ports for 0~5Vdc or 4~20mA signals.

3.7 24Vdc Power Port Wiring

Describes connecting the 24Vdc power port to the inverter's DC side for power supply.

Login

4.1 Overview

Introduces the SCU's two network ports (NET1, NET2) and their default IP addresses for access.

4.1.1 Preparation before Login

Outlines steps for connecting a PC to the SCU, setting IP addresses, and subnet masks.

4.1.2 Login Method

Provides step-by-step instructions on accessing the SCU interface via web browser and entering credentials.

4.2 Modify the Password

Guides users on changing the default password for enhanced security, specifying format and length.

4.3 Setting the Language

Explains how to change the interface language through the provided options.

4.4 Logout

Recommends logging out after operations to protect account security.

Interface Description

5.1 Homepage

Describes the SCU interface elements, including navigation bars, function display, and status indicators.

5.2 WEB Menu

Details the navigation bar, submenus, and third-level menus for system operation and configuration.

Overview

6.1 Checking the General Information

Explains how to view current power generation, real-time power, and operating data on the system.

6.2 Checking the Real-time Status

Describes how to view event types, names, and times for current device status.

Device Monitoring

Device Monitoring

View real-time operation, set parameters, and control selected devices.

Device Maintenance

8.1 Device List

Covers adding, modifying, and deleting devices within the SCU system.

8.2 Firmware Update

Provides instructions for upgrading the SCU device firmware using a valid upgrade package.

8.3 Fault Recorder

Guides users on locating and finding the cause of faults using the fault recorder.

Smart Diagnosis

9.1 String Diagnosis

Analyzes voltage and current data from combiner boxes to detect inverter faults.

History Data

10.1 Operation Log

Allows viewing operation logs, including login, logout, and system restart times for traceability.

10.2 Status Records

Enables viewing historical fault, alarm, and prompt information for devices.

10.3 Parameter log

Provides access to completed parameter setting records for the current account.

10.4 History Curve

Displays historical information such as power generation data in table or curve format.

System

11.1 Run Information

Shows communication address, input/output node status, and forwarding configuration.

11.2 System Maintenance

Manages system upgrades, log exports, reboots, and one-click migrations.

11.3 Remote Maintenance

Enables or disables remote maintenance for specific conditions and server site selection.

11.4 Message Export

Facilitates exporting different types of port message data, specifying port and duration.

11.5 System Time

Allows setting the clock source, time zone, system date, and time for the gateway.

11.6 Transfer Configuration

Configures forwarding collected device data to remote or local monitoring systems.

11.6.1 IEC104

Transmits data to monitoring systems via IEC60870-5-104 protocol, configuring general parameters.

11.6.2 MODBUS

Transmits data to monitoring systems via MODBUS-RTU protocol, configuring serial port settings.

11.6.3 GOOSE

Enables or disables the GOOSE function and manages configuration files for import/export.

11.7 Template Management

Saves, transfers, and applies configuration combinations for multiple devices.

11.8 File Management

Imports or exports point table files for system configuration management.

11.9 Port Parameter

Sets parameters for various communication ports like RS485, EyeW485, Ethernet, and WLAN.

11.9.1 RS485

Configures RS485 COM port parameters including function, baud rate, check bit, and stop bit.

11.9.2 EyeW485

Manages configuration for EyeW485 wireless communication, including settings for EyeW485-H.

11.9.2.1 EyeW485-H Configuration

Configures EyeW485-H settings, including frequency points, array numbers, and power.

11.9.2.2 EyeW485 Configuration

Refreshes and sets slave node information for EyeW485 communication.

11.9.2.3 Operation Instructions

Provides instructions for restarting, upgrading, and resetting EyeW485/EyeW485-H nodes.

11.9.3 Ethernet

Configures network port parameters for the SCU's Ethernet connection.

11.9.4 WLAN

Configures WLAN AP hotspot, SSID, security, and password settings for wireless connectivity.

11.9.5 AI

Sets port parameters for dry contact Analog Input (AI) connections.

11.9.6 DI

Sets port parameters for dry contact Digital Input (DI) connections.

About

About

View device serial number and firmware version information.

Appendix

13.1 Copyright

States the copyright and usage restrictions for the manual content.

13.2 Contact Information

Provides contact details for technical support and further inquiries regarding the software.

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