QA Inverter GoodWe ET

🧩 QA Inverter Goodwe ET

QA Inverter Goodwe ET is a fast and comprehensive application for reading, setting, and controlling Goodwe ET inverters.
It provides automatic device discovery on the network, intelligent configuration, and fully automated operation control. 
It enables display of all important inverter data in real time (interval up to 5 s) and their use within the SHE (Smart Home & Energy) energy system. 

💼 Business Presentation

QA Inverter Goodwe ET is an ideal solution for residential and commercial installations where the goal is efficient inverter control, consumption optimization, and maximum utilization of energy surpluses.
With its clear interface, automatic installation, and tight integration with other QA applications, it represents a complete tool for intelligent energy management and long-term system stability.

📊 Analysis and Data Processing

For clear visualization, working with measurement history, and graphs, we recommend integration with SCADA Mervis.

🧪 TRIAL – Trial Version

Try the application fully before purchasing a license.
The TRIAL version will give you access to all features for 2 days so you can verify it meets your needs exactly.
You can download it here: ⬇️ Download trial version

⚙️ Key Features

✅ Automatic Configuration and Connection

• Automatic discovery of all IP addresses and MACs on the connected network
• Remembering the MAC address and automatic discovery if IP changes
• Automatic installation of all subordinate devices including icons and naming
• Simple connection via RS485 → Modbus TCP (Ethernet / Wi-Fi)

✅ Automatic Energy Panel Configuration

• Main inverter energy and power values are automatically displayed in the Energy panel
• Clear visualizations of energy flows and current power

✅ Flexible Inverter Modes

• Standalone operation (stand-alone inverter)
• Battery storage (retrofit mode)
• Online operation without battery (pvMeter)
• Ability to combine multiple QA inverters into one assembly – values are automatically aggregated

✅ Advanced Control Modes

• Charging / discharging prohibition
• Export prohibition or control
• Controlled import, charging and discharging from AC
• Integration with other QA applications (Spot EMS, TUV, Wallbox Control, etc.)
• Ability to use energy surpluses for own consumption or spot control

✅ Battery Maintenance Mode

• Automatic battery charging in a preset period (e.g., winter months)
• Setting charging power, day, and time
• Ensuring cell balancing and extending battery life
• Notifications about maintenance progress

✅ Integration with Mervis Data System

• Data storage in 5 s intervals in the cloud
• Possibility of detailed long-term analysis and export

✅ Manual Control and Modes

• Ability to manually switch mode and control the inverter according to your own preferences
• Clear division of control elements into separate cards

✅ Multilingual Version

• Automatic download of language packs from the cloud
• If localization is not available, it switches to English
• Translations of all texts during installation and when changing language

🔌 Connection and Required Accessories

To connect to the Goodwe ET inverter, connection is required via RS485 line and Modbus TCP converter.

Required accessories:

• Control unit:
  • Fibaro HC3L or Fibaro HC3
• Modbus RTU RS485 – Modbus TCP Converter:
  • Elfin EE11A (Ethernet)
  • Elfin EW11A (Wi-Fi)
• Other Modbus RTU - Modbus TCP converter (no warranty)

📦 What You Will Receive

• Permanent license to the fast application
• Brief Czech activation guide
• Technical support for 6 months (e-mail) 

🌍 Language Packs

🇨🇿 Czech  🇬🇧 English