QA Inverter Wattsonic GEN2

🧩 QA Inverter Wattsonic GEN2

QA Inverter Wattsonic GEN2 is a fast and comprehensive application for reading, setting and controlling Wattsonic GEN2 inverters.
It ensures automatic device discovery in 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 energy system (Smart Home & Energy). 

💼 Business presentation

QA Inverter Wattsonic GEN2 is an ideal solution for residential and commercial installations, where the goal is efficient inverter control, consumption optimization and maximum use of excess energy.
Thanks to 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, work with measurement history and charts, we recommend connection with SCADA Mervis.

🧪 TRIAL – Trial version

Try the application fully before purchasing a license.
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 setup and connection

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

✅ Automatic Energy panel setup

• Main energy and power values of the inverter 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)
• Possibility 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 excess energy 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 lifespan
• Notifications about maintenance progress

✅ Integration with Mervis data system

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

✅ Manual control and modes

• Possibility of manual mode switching and inverter control 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 with Wattsonic GEN2 inverter, connection via RS485 line and Modbus TCP converter is required.

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 receive

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

🌍 Language packs

🇨🇿 Czech 🇬🇧 English