1 Product Overview

DAQ-GP-VCMT5G all- in-one 5G fusion terminal is a control terminal launched by Shanghai Shucai IoT Technology Co., Ltd. that integrates 5G communication, vertical encryption, telecontrol communication, and AGC/AVC functions .

It adopts advanced embedded LINUX operating system and flexible modular design, and adopts fanless, high performance, low power consumption, flexible installation and other design concepts. Considering intensive deployment, saving equipment investment cost , saving installation space and other aspects, it is a multifunctional and integrated acquisition and communication equipment. It integrates the functions of 5G communication terminal, vertical encryption, telemotor and AGC/AVC control, and meets the function of 380V, 10 KV and above distributed photovoltaic access to the dispatching main station in direct acquisition mode, and performs automatic power control at the same time. It adopts 5G wireless access mode to connect to the grid. As an important supplement to wired access , it can realize the unified dispatch of all local power plants and distributed photovoltaics by the power dispatching center , realize the power system access of distributed photovoltaic power stations, and meet the requirements of "observable, measurable, adjustable and controllable" of distributed photovoltaics. 

2 Service Concept

Our company solemnly promises:

You buy not only the product, but also the meticulous and thoughtful technical support service ! ! ! ( =^_^= )

This product only needs ordinary workers to connect the power and install it on site! No debugging is required!

We provide free remote guidance, remote configuration and debugging services, and send data to the user's designated cloud platform.

Free IoT solution consulting services!

3 Core advantages of the product 

ü High-performance embedded processor Cortex-A7, 800MHz , capable of processing up to 30,000 measurement points in real time; 

ü 512MB RAM , 8GB eMMC storage; 

ü Industrial-grade design, operating temperature: - 40~75 ℃; 

ü Hardware and software dual watchdogs ensure stable and reliable operation of the system; 

ü Supports a variety of industrial and power communication protocols, for details, see the "All-in-one 5G Fusion Terminal Protocol Library List";

ü Support local/remote visual management, communication debugging, control, etc.; 

ü Support 5G communication, routing, VPN, NAT;

ü Built-in micro vertical encryption authentication module; 

ü Telecontrol communication capability, supports AGC/AVC control function. 

ü Support edge computing capabilities and python secondary development. 

ü Supports data storage and storage breakpoint resumption. 

4 Main functions

4.1 Data Collection 

The product supports data collection of equipment with multiple protocols, and the corresponding protocols support more than 300 communication protocols including industry, power, environmental protection and other industries, such as MODBUS/CDT/101/102/103/104/IEC61850/GOOSE/DLT645/MQTT/HTTP, etc., to meet various on-site needs. In the new energy industry, various inverter communication protocols are accumulated, supporting data reading, remote control switch, remote adjustment of inverter active power, reactive power, power factor, voltage regulation, etc.

Figure: Data collection and broadcast remote control

4.2 Data Storage 

Supports data storage. The machine has built-in 8G storage space, which can meet various data storage needs, offline caching, breakpoint resume and other functions. It supports built-in applications for data storage and automatically retransmits offline data when transmission is restored.

4.3 Data Forwarding 

The all-in-one 5G fusion terminal itself has a remote motor function, supports various platforms/power dispatching 104, distribution network 101, CDT and other communication protocols, supports simultaneous transmission of multiple data channels, such as 101/104, and supports single-channel forwarding of multiple clients to meet the communication needs of various dispatching master stations.

Figure: 104 master station software collects and remotely adjusts all-in-one 5G converged terminal data

4.4 Encrypted transmission 

all-in-one 5G converged terminal has a built-in micro-vertical encryption device, which performs encrypted transmission with the dispatching master station to ensure data security. Reliable transmission and seamless connection with various vertical encryption devices of the main station, such as Kedong, Nanrui, etc.

Figure : Kedong encryption configuration

                Figure: NARI encryption configuration

4.5 AGC/AVC Control 

all-in-one 5G converged terminal supports the dispatching of complete AGC/AVC control functions such as active control regulation, reactive control regulation, power factor regulation, and voltage regulation . It responds quickly and automatically performs adjustments to maintain the target active, reactive, and voltage values issued by the master station . It is compatible with multiple types of inverter group control and group adjustment, reactive compensation devices, and inverter reactive load balancing, and supports multiple execution algorithms. Meet the safe and stable operation requirements of various power plants.

picture AGC/AVC telemetry points 

picture AGC/AVC remote signal point 

picture AGC/AVC remote control point 

picture AGC/AVC remote adjustment point 

picture  All-in-one 5G converged terminal response master station AGC/AVC control 

4.6 5G high-speed communication 

all-in-one 5G converged terminal supports the latest generation of mobile communication technology, 5G communication, and data communication is reliable, efficient, stable, and low-latency. It can maintain high-speed communication with the main station in real time and control the response within 50ms .

4.7 Protocol Library List 

The all-in-one 5G converged terminal runs the LPC data acquisition core software platform ( LPC software for short ). Each communication protocol is an independent SO library in the LPC software . When the device starts, the LPC software reads the configured project and dynamically loads the required SO library according to the configured project. When developing a new communication protocol or expanding an existing communication protocol, it does not affect the stability of other communication protocols in the original system.

currently supported by all-in-one 5G converged terminals are:

ü MODBUS RTU/TCP master and slave stations; 

ü CDT master station and slave station; 

ü IEC101 station and slave station; 

ü IEC103 serial port/network master station; 

ü IEC104 master station and slave station; 

ü IEC61850 Server, Client 

ü Electricity meter DL645-1997 , DL645-2007, DLT698.45 protocols; 

ü Nanzi Ethernet 103 master and slave stations; 

ü NARI Ethernet/Serial Port 103;

ü Jinzhi Ethernet 103;

ü Xuji serial port 103 , Ethernet 103, 104;

ü Tengen Tomorrow Ethernet 103;

ü Four-way protection of CSC2000 client and server 

ü State Grid Cloud (Photovoltaic Poverty Alleviation Power Station)

ü Alibaba Cloud IoT / Tuya Smart / China Unicom / Amazon / Genyun 3.0 / Genyun 4.0 / Sany Heavy Industry / Chint IoT / Dianxiang / Instruction Set / Guangyuan / Dingkong / Sanshui Smart / Jinghe / Fangzhu and other IoT and MQTT platforms; 

ü Various inverters for new energy, weather station protocols, etc. 

5 Hardware Interface 

5.1 Technical parameters 

5.1.1 Hardware Parameters 

5.2 Product size and appearance 

5.2.1 Product size

picture Product Dimensions 

picture Front view of the box 

Back view of the box 

5.2.2 Power Interface 

The power input is AC/DC, the AC input range is 85~264V , and the DC input range is 100~370V

5.2.3 Serial port and SIM card interface definition 

the Nth serial port: 

The order of serial ports (1-8):

Note: Each serial port can choose either RS485 or RS232 for communication.

Console is the debugging serial port / RS232 / Type-C interface form of the 5G converged terminal. SIM: It is the entry for scheduling the 5G APN private network card.

Supported SIM card types: standard SIM card 25mm*15mm (mini SIM card). To install the card, the user needs to use a pin to push the ejection handle on the side of the SIM card slot and eject the card. After the card is ejected, insert the standard SIM card into the card, as shown below (make sure to press the SIM card into place). Then insert the card into the machine along the SIM card slot guide and securely insert it into place.

(Note : SIM card insertion and removal operations require power off, and SIM card insertion and removal with power on is not supported)

5.2.4 Network Interface 

6 Typical Networking 

6.1 Power dispatching communication network 

Figure 1. Power dispatching communication network

Through 5G For CPE communication, the station end adopts an integrated acquisition and communication device that integrates multiple machines into one. It also has functions such as wireless/wired communication , encryption chip, telecontrol transmission, AGC substation, etc. The photovoltaic inverter signal communicates through a trusted WLAN network, power carrier network or 485 wired network and an all-in-one 5G fusion terminal. 

the 5G converged communication terminal communicates with the wireless security access area of the dispatching master station via the wireless network. The communication protocol adopts the DL/T634.5104 protocol .

through 5G wireless/wired communication, the vertical communication channel adopts access control , authentication and encryption measures. At the same time , it can correctly receive and automatically execute the instructions issued by the AGC master station to adjust the inverter output power. 

7 Product Installation 

7.1 Pre-installation check 

Check the outer packaging:

the All-in-One 5G Converged Terminal, please check the packaging for visible damage, such as holes, cracks , or other signs of possible internal damage. If there are any abnormalities in the packaging, do not unpack it and contact your dealer as soon as possible.

Check the random accessories:

After unpacking the All-in-One 5G Converged Terminal, please check whether the delivered items are complete and have no obvious external damage. If there is any damage or any items are missing, please contact the manufacturer.

illustrate:

For the number of items delivered with the box, please refer to the "Product Packing List" in the packaging box. 

7.2 Preparing the Installation Tool 

7.3 Select the device installation location 

Ø When choosing an installation location, consider the following requirements: 

Ø all-in-one 5G converged terminal is IP20 . Do not install the all-in-one 5G converged terminal outdoors. 

Ø Do not place the all-in-one 5G converged terminal in a water- or humid environment to avoid damage to the all-in-one 5G converged terminal. 

Ø The ambient temperature should be maintained at -40ºC ~ +75ºC.

Ø Ensure that the RS485 communication distance does not exceed 1000m and the Ethernet communication distance does not exceed 100m.

Ø 5G fusion terminal at an appropriate height to facilitate operation and maintenance. 

Ø all-in-one 5G converged terminal should maintain a certain installation distance from surrounding objects. 

7.4 How to install an all-in-one 5G converged terminal 

7.4.1 Standard rail installation 

l Good rack grounding is an important guarantee for equipment anti-static, anti-leakage, lightning protection, and anti-interference, so ensure that the rack grounding wire is installed correctly;

l Equipment installed in the rack is generally installed from bottom to top to avoid overloading;

l the all-in-one 5G converged terminal to avoid accidents;  

l 

Ensure heat dissipation and air circulation in the rack;

all-in-one 5G converged terminal is installed in a 19- inch standard rack. 

Procedure

Step 1 : Install the two L -shaped brackets in the accessories on the left and right sides of the all-in-one 5G converged terminal, and fix them with the screws provided in the accessories;

Step 2 : Place the all-in-one 5G converged terminal in an appropriate position in the rack, preferably supported by a bracket; 

Step 3 : Use rack screws to fix the L -shaped brackets to the guide grooves fixed at both ends of the rack to ensure that the device is installed on the rack stably and securely.

Step 4 : Tighten the rack screws with a screwdriver and make sure they are not loose. 

 8 Electrical connections 

Application Overview:

   This section mainly introduces the specific operations of electrical connection between the all-in-one 5G converged terminal and inverters, combiner boxes, power quality meters, environmental monitors, electric meters and other equipment .

illustrate:    

When the all-in-one 5G converged terminal is connected using an RS485 communication cable, the cable can be connected to the RS485(1)-RS485(8) terminal blocks.

When the all-in-one 5G converged terminal is connected by network cable, the cable can be connected to 4 network ports. For detailed port descriptions, please refer to the front of the box in the appearance description.

Notice:

When making electrical connections, ensure that all cables are securely connected to prevent them from loosening. 

the all-in-one 5G converged terminal before completing the electrical connections. 

8.1 Connection port description 

Port Description:

   For the bottom diagram of the box body of the all-in-one 5G converged terminal and the port function description, please refer to the bottom interface of the box body in the appearance description , as shown in the figure below . 

   The all-in-one 5G fusion terminal has a total of 8 RS485/232 channels .

Figure Port Description

Connecting device description:

   When the all-in-one 5G converged terminal supports connecting multiple devices through the serial port, the connection method is as shown in the figure below. For specific wiring methods of different devices, please refer to the wiring instructions of the communication cable of the opposite device.

Notice:

all-in-one 5G converged terminal connects to devices via a serial port ( the number of devices connected to a single serial port is recommended not to exceed 32 )

8.2 Connecting the protective ground wire 

Application overview: Through the grounding wire, the shell grounding terminal of the all-in-one 5G converged terminal is connected to the on-site grounding bar to achieve the purpose of grounding protection, which can effectively protect the equipment;

Steps:

Step 1 Connect one end of the prepared grounding cable (4m 2 -6m 2 ) to the on-site grounding bar;

Step 2 Connect the other end to the ground terminal of the all-in-one 5G converged terminal shell, as shown in the figure below. 

Grounding diagram

illustrate:

When connecting the grounding cable, ensure that the wires at both ends are firmly connected and not easy to fall off;