QA HDO
Get complete overview and control over the low tariff. The application visualizes the current state and history of HDO switching in a clear table and integrates these signals directly into your home control. Through statistics and predictions, it enables the system to efficiently plan consumption. The result? Maximum utilization of cheap energy for the entire SHE ecosystem.



⚡📉 QA HDO
QA HDO is a key application for efficient energy management depending on distributor tariffs. It serves as a central point for receiving, processing and distributing HDO (Remote Load Control) signals in a smart home.
Not only does it display the current status, but it offers detailed visualization of switching history in a clear matrix and creates important statistics for other modules of the SHE (Smart Home & Energy) system.
💼 Business Presentation
The fundamental building block for economical house operation. If you use a two-tier electricity rate, this application will ensure that your system always knows exactly when energy is cheap.
It provides essential data for automatic activation of energy-intensive appliances and refines energy cost calculations.
📊 Analysis and Data Management
For clear visualization, working with measurement history and graphs, we recommend connecting to SCADA Mervis.
🧪 TRIAL – Trial Version
Try the integration of HDO signals with the QA HDO application in your system.
The TRIAL version unlocks full functionality for 2 days.
Download here: ⬇️ Download trial version
⚠️ Note
The application requires input information on HDO status. It supports classic wired connection (digital input, EX01PV module), but also wireless solution using FIBARO Smart Implant (Z-Wave). All sources can be easily mapped to High/Low tariff states in the configuration.
⚙️ Key Features
✅ Intelligent tariff management and visualization
- Detailed visualization: Clear table showing the history of tariff switching (High/Low) by hours and days.
- Flexible input definition (Digital input, EX01PV Module, Global variable)
- Z-Wave Support: Ability to wirelessly read HDO using FIBARO Smart Implant (ideal for renovations).
- Instant overview of current tariff
- Creation of statistics for the SHE ecosystem
- Advanced integration with QA Spot Pro: Tariff prediction is incorporated into the final purchase price calculation, which refines appliance and inverter control.
✨ Typical Uses
- Blocking demanding appliances during high tariff
- Heating the boiler or accumulation tank only during low tariff periods
- Verification of actual HDO switching times in a weekly overview
- Reading HDO signal from the electrical panel without the need for new wiring (using FIBARO Smart Implant)
- Accurate calculation of house operating costs through price differentiation over time
🔌 Operating Conditions
- HDO signal source in the Fibaro system (binarySensor from digital input module, e.g. wireless FIBARO Smart Implant , EX01PV module or other)
- For full use of predictions and price calculations QA Spot Pro application
🧰 Configuration and Setup
- Intuitive assignment of signal source (e.g. specific DI input, Z-Wave device or module)
- Clear definition of logic: Easy mapping of True/False values to Low/High tariff states.
- Option to deactivate unused tariff types (e.g. night or peak) for clarity.
- Connecting outputs to other logic blocks or appliances.
🌍 Language Sets
🇨🇿 Czech 🇬🇧 English
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