Sungrow SCU1100 User manual
SCU1100Smart
Communication UnitUser
ManualSCU1100-UEN-Ver21-202302
User Manual
Smart Communication Unit
SCU1100
SCU1100-UEN-Ver21-202302
I
Contents
1 About This Manual ...........................................................................................1
1.1 Preface..........................................................................................................1
1.2 Target Group..................................................................................................1
1.3 Manual Description.........................................................................................1
1.4 Symbol Explanation........................................................................................1
1.5 Expression Explanation...................................................................................1
2 System Introduction .........................................................................................2
2.1 Brief Introduction ............................................................................................2
2.2 Main Features ................................................................................................2
2.3 System Requirements.....................................................................................2
3 Introduction to Ports .........................................................................................3
3.1 Ethernet Port Wiring .......................................................................................3
3.2 RS485 Port Wiring..........................................................................................4
3.3 DI Input Dry Contact Wiring .............................................................................5
3.4 DO Output Dry Contact Wiring.........................................................................6
3.5 PT100 Port Wiring ..........................................................................................7
3.6 Analog Port Wiring..........................................................................................8
3.7 24Vdc Power Port Wiring ................................................................................9
4 Login ................................................................................................................. 11
4.1 Login ........................................................................................................... 11
4.1.1 Overview............................................................................................ 11
4.1.2 Preparation before Login ..................................................................... 11
4.1.3 Login Method...................................................................................... 11
4.2 Modify the Password.....................................................................................12
4.3 Setting the Language....................................................................................12
4.4 Logout .........................................................................................................12
5 Interface Description ......................................................................................13
5.1 Homepage ...................................................................................................13
5.2 WEB Menu...................................................................................................13
6 Overview ..........................................................................................................15
II
6.1 Checking the General Information..................................................................15
6.2 Checking the Real-time Status.......................................................................15
7 Device Monitoring ..........................................................................................16
8 Device Maintenance ......................................................................................17
8.1 Device List ...................................................................................................17
8.2 Firmware Update..........................................................................................17
8.3 Fault Recorder .............................................................................................17
9 Smart Diagnosis .............................................................................................19
9.1 String Diagnosis ...........................................................................................19
10 History Data ..................................................................................................20
10.1 Operation Log ............................................................................................20
10.2 Status Records...........................................................................................20
10.3 Parameter log.............................................................................................20
10.4 History Curve .............................................................................................21
11 System ...........................................................................................................22
11.1 Run Information ..........................................................................................22
11.2 System Maintenance...................................................................................22
11.3 Remote Maintenance ..................................................................................23
11.4 Message Export..........................................................................................23
11.5 System Time ..............................................................................................24
11.6 Transfer Configuration.................................................................................24
11.6.1 IEC104 .............................................................................................24
11.6.2 MODBUS..........................................................................................25
11.6.3 GOOSE ............................................................................................26
11.7 Template Management................................................................................26
11.8 File Management ........................................................................................27
11.9 Port Parameter ...........................................................................................27
11.9.1 RS485 ..............................................................................................27
11.9.2 EyeW485..........................................................................................28
11.9.3 Ethernet............................................................................................30
11.9.4 WLAN...............................................................................................30
11.9.5 AI .....................................................................................................30
11.9.6 DI.....................................................................................................31
12 About ..............................................................................................................32
13 Appendix .......................................................................................................33
1
1About This Manual
1.1 Preface
This manual describes in detail the SCU intelligent communication gateway in the form of
overviews, charts, operation steps, and examples, to facilitate better understanding and
flexible, efficient use of the system.
It will be referred to as "SCU" for short hereinafter unless otherwise specified.
With continuous software update, the interface and functions of the software you are using
may differ from the example pictures provided in this manual. If so, please refer to the latest
software version. If you have any questions, please contact Sungrow Power Supply Co. Ltd.
1.2 Target Group
This manual is intended for the following target groups:
• O&M personnel
• System administrators
• Technical engineers
1.3 Manual Description
This manual provides brief description by using the standard SCU interfaces as examples.
For specific activated functions, refer to the technical agreements or the contract.
1.4 Symbol Explanation
"NOTE" indicates additional information, emphasized contents, or tips helping you
solve problems or save time.
1.5 Expression Explanation
Type Expression example
Select a certain menu Select "Monitoring" on the navigation bar
Select multiple menus Select "Monitoring -> Device operation"
Click a certain button Click the button [Confirm]
2
2System Introduction
2.1 Brief Introduction
SCU is a data collection and protocol conversion device that can collect data from inverters,
combiner boxes and other equipment in PV systems. Users can view the collected
information by accessing the server through PC.
2.2 Main Features
The SCU has the following features:
Smart and Flexible
• Support RS485, CAN communication
• Support remote upgrade and maintenance
• Support connection to both iSolarCloud and the third-party monitoring system
Simple and Efficient
• Embedded Web operation interface, support inverter parameter setting and remote
maintenance
• Support configuration of multiple forwarding protocols, convenient for onsite debugging
Safe and Reliable
• More stable running as the core system service runs in the linux operating system
• Strict control procedure, complying with power system safety standards
2.3 System Requirements
Item Requirement
Browser CHROME 32bits, version 66 or later
3
3 Introduction to Ports
Port Port definition Remarks
J7（NET1）、J10(NET2)、
J8（Goose1）、J9(Goose2)
Ethernet port
Goose port
4-way
USB USB port Not open yet
A1B1~A3B3
A5B5~A9B9
RS485 port 8-way
CAN1H, CAN1L
CAN2H, CAN2L, GND
CAN port Not open yet
DI1~DI24
DI24V
Dry contact input port 24-way
NC1 NO1 COM1 ~ NC8 NO8
COM8 Dry contact output port 8-way, output signal
250Vac/1A or 30V/1A
PT1+ PT1–
PT2+ PT2–
PT100 temperature detection
port
2-way
V1A+ V1A-
V2A+ V2A-
Analog input port 2-way, 0~5Vdc,
4~20mA
24V, 24V-GND 24Vdc power port 24Vdc,I≤2.0A
SD SD card slot 8G, not open yet
3.1 Ethernet Port Wiring
Introduction
Port Function
J7(NET1) For internal debugging only
J8(Goose1) Exclusively for Goose
J8(Goose2) Exclusively for Goose
J10(NET4) Connect to external devices such as Ethernet switch.
Wiring Requirements
CAT-5e or aboove cable is recommended.
4
Wiring Method
Use CAT-5e or aboove cable with one end connected to external device and the other end
connected to the “NET1” or “NET2” port of the SCU.
Item Description
Modbus-TCP
forwarding
Click”System-＞“Transfer Configuration”-＞“Modbus”-
＞”SERVER”,supports up to 15 port configurations.
IEC104 forwarding Click”System-＞“Transfer Configuration”-＞“IEC104”,supports up
to 15 port configurations.
3.2 RS485 Port Wiring
Introduction
The SCU supports 8-way RS485 terminal connection to equipment such as box transformer
measurement and control equipment, electricity meter, PV combiner box and environmental
monitor.
Port mark Function
An RS485A, RS485 differential signal+
Bn RS485B, RS485 differential signal-
* n=1~3 or 5~9。
Cable Requirements
• 0.75mm2~1.5mm2twisted pair shielded wire is recommended for connection.
• The RS485 communication distance is less than 1200m.
• A single RS485 communication port can support the access of 32 devices.
• A single RS485 communication port does not allow different types of equipment to be
connected.
Wiring Method
step 1 Lead the RS485 cable outgoing from external equipment to the wiring area of the SCU.
step 2 Use wire strippers to strip the protective layer and shielded layer of the cable to expose the
copper core of the wire.
step 3 Connect the cable of which the insulation layer has been stripped to the either the
SCU's“A1B1~A3B3”or“A5B5~A9B9”port as shown in the following figure.
3 Introduction to Ports User Manual
5
*for illustration only.
- - End
3.3 DI Input Dry Contact Wiring
Introduction
The SCU supports multi-input dry contact connection to the transformer or switchgear signal
node.
Port Function
DI1~DI24 Input dry contact terminals 1~24
DI24V Total 8 input dry contact 24V terminal
Wiring Requirements
0.75mm2~1.5mm2wire is recommended.
Wiring Method
step 1 Connect the DI input dry contact cable and 24V cable outgoing from the transformer to the
wiring area of the SCU.
step 2 Use a wire stripper to strip the protective layer and shielded layer of the cable to expose the
copper core of the wire.
step 3 Connect the DI cable to either the SCU's“DI1~DI21”port: Connect 24V cable to“DI24V”port.
User Manual 3 Introduction to Ports
6
figure 3-1 Wiring method (take DI20 port wiring for example)
- - End
3.4 DO Output Dry Contact Wiring
Introduction
The SCU supports 8-way output dry contact connection to the transformer or switchgear
signal node.
Port Function
NC1 Output port 1, NC
N01 Output port 1，NO
COM1 Output port 1, COM
NC2 Output port 2, NC
NO2 Output port 2, NO
COM2 Output port 2, COM
NC3 Output port 3, NC
N03 Output port 3, NO
COM3 Output port 3, COM
NC4 Output port 4, NC
N04 Output port 4, NO
COM4 Output port 4, COM
NC5 Output port 5, NC
N05 Output port 5, NO
COM5 Output port 5, COM
NC6 Output port 6, NC
N06 Output port 6, NO
COM6 Output port 6, COM
NC7 Output port 7, NC
N07 Output port 7, NO
COM7 Output port 7, COM
NC8 Output port 8, NC
3 Introduction to Ports User Manual
7
Port Function
N08 Output port 8, NO
COM8 Output port 8, COM
Wiring Requirements
0.75mm2~1.5mm2wire is recommended.
Wiring Method
step 1 Connect the output dry contact (NO, NC, COM) cable outgoing from the transformer to the
wiring area of the SCU.
step 2 Use a wire stripper to strip the protective layer and shielded layer of the cable to expose the
copper core of the wire.
step 3 Connect cables outing from NO, NC and COMs to the corresponding ports of the SCU.
- - End
3.5 PT100 Port Wiring
Introduction
The SCU has two PT100 sampling ports, which are used for transformer oil temperature
sampling and copper busbar temperature sampling respectively.
Wiring Requirements
Recommended cable specifications:0.75mm2~1.5mm2.
Wiring Method
step 1 Lead the sampling signal line to the wiring area of the SCU.
User Manual 3 Introduction to Ports
8
step 2 When connecting a two-wire cable, connect the PT + cable to the "PT +" port; connect the
PT- cable to the "PT-" port. (Note: "PT-" port and "GND" port are short-circuited)
When connecting a three-wire cable, PT+ cable connects to "PT+" port; PT- cable connects
to "PT-" port; ground cable Connect to the "GND" port.
figure 3-2 Two-wire cable connection
figure 3-3 Three-wire cable connection
- - End
3.6 Analog Port Wiring
Introduction
The SCU offers two analog input ports.
Wiring Requirements
0.75mm2~1.5mm2is recommended.
Wiring Method
step 1 Lead the external （0~5Vdc，4~20mA）analog signal cable to the wiring area of the SCU.
step 2 Strip the insulation layer of the cable to expose the copper core.
3 Introduction to Ports User Manual
9
step 3 Connect the 1st analog input signal line to the SCU“V1A+, VA1–”；Connect the 2nd analog
input signal line to the SCU's“V2A+, VA2–”ports.
- - End
3.7 24Vdc Power Port Wiring
Introduction
The 24Vdc power port of the SCU has been connected to the DC side of the inverter and
supplies DC power for it.
Wiring Requirements
Recommended cable specifications:0.75mm2~1.5mm2.
Wiring Method
step 1 Lead the external power cable to the wiring area of the SCU.
step 2 Strip the cable to expose the copper core.
step 3 Connect the red wire core to“24V”port, black wire core“24V-GND”port.
User Manual 3 Introduction to Ports
11
4Login
4.1 Login
4.1.1 Overview
The SCU is designed with two network ports NET1 and NET2.
• Default IP address of NET1: 14.14.14.14.
• Default IP address of NET2: 12.12.12.12.
IP addresses of "NET1" and "NET2" should be on different network segments. If
otherwise, communication error occurs.
4.1.2 Preparation before Login
• Connect PC to NET of the SCU by using a network cable. (Notice: Do not enable the
DHCP function of NET.)
• Set the IP address of the PC to be on the same network segment as that of the SCU. It is
recommended to set the IP address of the PC to 192.168.0.125, and the subnet mask to
255.255.255.0.
4.1.3 Login Method
step 1 Enter the address in the PC address bar, enter as a guest by default.
NET1 port, URL: 14.14.14.14.
NET2 port, URL: 12.12.12.12.
step 2 Click“login”in the upper right of the interface, and input the password 1111 to enter the main
interface.
After the initial login, please change the password in a timely manner to avoid
pop-up modify password prompts.
- - End
12
4.2 Modify the Password
Click , and select Modify Password, enter the orginnal password and new password,
click [Save].
The password must be a combination of numbers and letters, and the length is
between 6 and 32 digits.
4.3 Setting the Language
Click and select the desired language to switch the interface.
4.4 Logout
In order to protect the security of the account, it is recommended to log out in time after the
operation is completed.
Method
Click , choose “Logout”.
4 Login User Manual
13
5Interface Description
5.1 Homepage
No. Description
APage and menu selection bar
BFunction display area
C Fault number
D Alarm number
ELanguage switching options
F Personal center
5.2 WEB Menu
Navigation Bar/Menu Submenu Third-Level Menu
Overview General Information -
Real-time Status -
Device Monitoring - -
Device
Device List -
Firmware Update -
Fault Recorder -
Smart diagnosis String Diagnosis -
History Data
Operation Log -
Status Records -
Parameter log -
History Curve -
System
Run Information -
System Maintenance -
Romote Maintenance -
Message Export -
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