Comments (8)
I don’t understand this, it makes no sense. The grid voltage at the Zappi and Eddi measurements are identical and always will be.
from ha-myenergi.
Except they aren't, my eddi is the hub device and the voltage readings are from the zappi, which is reading about 3-4v higher due to drop on the cable or calibration issues. But the question is why does the reading come from the zappi (slave), not the eddi (master) and could there be individual readings on a device basis rather than at the hub entity
from ha-myenergi.
It’s a design choice because if there is a Zappi present, that makes a more logical choice for voltage readings to cater for 3-phase installations.
The Eddi is a single phase device the Zappi can be 1 or 3-phase.
If a Zappi is not fitted then the voltage source comes from the Eddi.
In your case your getting a better voltage reading from the Zappi as it’s not suffering from cable resistance and hence a reduced voltage.
Whatever the device source, it would be easy to achieve a voltage calibration in HA by adding in an offset, ideally in percentage terms to keep the reduction of voltage aligned for the Eddi. A constant offset would introduce more errors and should be avoided.
from ha-myenergi.
This isn’t an issue for this integration and can never be solved unless MyEnergi make a change - highly unlikely.
This issue needs to be closed by the instigator.
from ha-myenergi.
from ha-myenergi.
Only the master returns the voltage readings and you can’t have two masters. If you check the Eddi response you’ll see it returns 0.0volts when it’s not the master.
from ha-myenergi.
Thanks for your help.
from ha-myenergi.
.
from ha-myenergi.
Related Issues (20)
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- Detected code that calls async_forward_entry_setup for integration, myenergi which is deprecated and will stop working in Home Assistant 2025.6, HOT 1
- Export / Import / Generated today sensors completely different from app/reality HOT 13
- Enable Always suggest updating pull request branches HOT 1
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- Add an incrementing kWh sensor for each CT on the Harvi HOT 3
- Determine if Zappi Temperature is exposed in API and if so, include in integration.
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from ha-myenergi.