1 Product Overview

The DAQ-GP-485HPLC photovoltaic protocol converter (hereinafter referred to as the converter) is designed by our company for the latest requirements in the field of photovoltaic power generation. A photovoltaic protocol converter is a device that collects power generation and consumption information from photovoltaic inverters. A device used to collect energy information from multiple or individual photovoltaic inverters and exchange data with a concentrator.

2 Service philosophy

Our company solemnly promises:

You are not only purchasing products, but also providing meticulous and thoughtful technical support services!!! (=^ _ ^=)

This product only requires ordinary workers to connect and install it on site! No debugging required!

We provide free remote guidance, remote configuration and debugging services, and send data to the cloud platform specified by the user.

Free Internet of Things solution consulting service!

3 Execution standards

DL/T698.31-2010 "Electric Energy Information Collection and Management System Part 3-1 Technical Specification for Electric Energy Information Collection Terminals - General Requirements"

DL/T698.35-2010 "Electric Energy Information Collection and Management System Part 3-5 Technical Specification for Electric Energy Information Collection Terminals - Special Requirements for Low Voltage Centralized Meter Reading Terminals"

Q/GDW1375.3-2013 "Type Specification for Power User Electricity Information Collection System Part 3: Collector Type Specification"

Q/GDW1374.2-2013 Technical Specification for Power User Electricity Information Collection System Part 2: Technical Specification for Centralized Meter Reading Terminal

Object oriented Communication Protocol for Electricity Information Collection

State Grid Shandong Electric Power Company Technical Specification for Solidified Distributed Photovoltaic Communication Protocol Converter Communication Interface Adapter

Technical specifications for low-voltage power line broadband carrier communication interconnection and intercommunication series

4 Product characteristic parameters

4.1 Structural characteristics

Installation method: guide rail type

Material: PC plastic (shell)

Size: 108mm * 62mm * 70mm

4.2 Electrical characteristics

Power supply method: AC220V

Working power consumption: less than 5W

4.3 Work Environment Characteristics

Temperature -25 ℃~70 ℃, extreme temperature -40 ℃~70 ℃

Relative humidity: 10%~100% (without condensation)

4.4 Characteristics of indicator lights

The running status indicator light is red, flashing alternately for one second on and one second off, indicating that the converter is running normally. If the light is constantly off, it indicates that it is not powered on.

Carrier communication status indicator light, red and green dual color, flashing red light indicates that the converter carrier channel receives data, and flashing green light indicates that the converter carrier channel sends data.

Maintenance status indicator light, red and green dual color, flashing red light indicates that the converter maintenance channel receives data, and flashing green light indicates that the converter maintenance channel sends data.

Downlink communication status indicator light, red and green dual color, flashing red light indicates that the converter's downlink channel receives data, and flashing green light indicates that the converter's downlink channel sends data.

4.5 Communication functional characteristics

Equipped with 2 RS485 ports, used for connecting to the RS485 port of the energy meter or the interface of the photovoltaic inverter

Equipped with low-voltage power line carrier for forwarding communication commands from concentrators

Equipped with Bluetooth communication for on-site maintenance

4.6 Functional characteristics of communication networking

Use carrier or dual-mode networking methods. According to the different carrier or dual-mode technologies used, it supports two working modes: working with address and working without address.

5. On site installation

5.1 Installation form

                                                                 On site installation diagram

                 The converter adopts a rail type installation, which is convenient and reliable to install

5.2 Port Definition

L: AC 220V power supply L-phase input;

N: AC 220V power supply N-phase input;

RS485I-A: RS485 first communication line A;

RS485I-B: RS485 first communication line B;

RS485II-A: RS485 second communication line A;

RS485 II-B: RS485 second communication line B.

5.3 Installation and wiring precautions

Common problems with power cord wiring:

Poor contact between converter power cable and power supply; The power cable of the converter should not be connected to 380V power; It is strictly prohibited to connect the power cord to the RS-485 signal line.

Common issues with RS-485 cable wiring:

Reverse the connection between the RS-485 line of the converter and the RS-485 line of the meter; Short circuit between RS-485 line A and line B of the converter;

485 bus short circuit; Individual electricity meters or photovoltaic inverters have RS-485 lines that are not connected to the 485 bus interface; Connect the 485 bus under two or more converters together.

Names and content items of harmful substances in 6 products

7 Transportation and storage

This product should not be subjected to severe impact during transportation and unpacking. Inventory and storage should be stored on racks in their original packaging conditions, with a stacking height of no more than 5 layers. The storage area should be clean, with an ambient temperature not exceeding -45 ℃ to+85 ℃ and a relative humidity not exceeding 75%. The air should be free of corrosive gases and mold.

8 Precautions

If one of the following situations occurs, although it is within the warranty period, free repair will not be provided:

1. Product malfunction or damage caused by improper or incorrect use.

2. Product malfunction or damage caused by unauthorized modification or improper repair.

3. Product malfunction or damage caused by human factors.

4. Product malfunction or damage caused by force majeure such as earthquakes, fires, floods, or other factors.

When the product malfunctions, please contact our customer service as soon as possible. Thank you for your cooperation!