QA Inverter Solax X3-ULTRA

🧩 QA Inverter Solax X3 Ultra

QA Inverter Solax X3 Ultra is a fast and comprehensive application for reading, configuring and controlling Solax X3 Ultra inverters.
It ensures automatic device discovery on the network, intelligent configuration and fully automated operation control. 
It enables real-time display of all important inverter data (interval up to 5 s) and their use within the SHE energy system (Smart Home & Energy). 

💼 Business Presentation

QA Inverter Solax X3 Ultra 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 user-friendly 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 Management

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

🧪 TRIAL – Trial Version

Try the application fully before purchasing a license.
The TRIAL version gives you access to all features for 2 days, so you can verify that 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 MAC addresses on the connected network
• MAC address memorization and automatic re-discovery when IP changes
• Automatic installation of all slave 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 visualization of energy flows and current power levels

✅ Flexible inverter modes

• Stand-alone 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.)
• Possibility to use energy surpluses for own consumption or spot control

✅ Battery maintenance mode

• Automatic battery charging in 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 intervals up to 5 s to the cloud
• Ability for detailed long-term analysis and export

✅ Manual control and modes

• Possibility of manual mode switching and inverter control according to own preferences
• Clear division of control elements into separate tabs

✅ Multilingual version

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

🔌 Connection and Required Accessories

To connect with the Solax X3 Ultra inverter, you need RS485 line connection and a 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 (without warranty)

📦 What You Will Receive

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

🌍 Language Packs

🇨🇿 Czech 🇬🇧 English